SANY SY35U Operation And Maintenance Manual
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SANY SY35U Operation And Maintenance Manual

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Operation and Maintenance Manual
SY35U Excavator
service@sanyamerica.com
SANY Part Number SSY005082353

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March 31, 2025

Where is the cab filter located on sy35u excavator 2021 please

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January 19, 2025

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Summary of Contents for SANY SY35U

  • Page 1 Operation and Maintenance Manual SY35U Excavator service@sanyamerica.com SANY Part Number SSY005082353...
  • Page 2 This Page Intentionally Left Blank...
  • Page 3 SY35U Excavator OMM SY35U Excavator Operation and Maintenance Manual WARNING! Read and understand all safety precautions and instructions in this manual before reading any other manuals provided with this machine and before operating or maintaining it. Failure to do this could result in death or serious injury.
  • Page 4 Wash hands after handling. © 2020 by SANY. All rights reserved. No part of this publication may be reproduced, used, distributed, or disclosed except for normal operation and maintenance of the machine as described herein. All information included within this publication was accurate at the time of publication.

  • Page 5: Table Of Contents

    SANY Contact Information........
  • Page 6 Table of Contents SY35U Excavator OMM Escape Tool ..............2-6 Fire Safety .
  • Page 7 SY35U Excavator OMM Table of Contents Operator Controls ............. . 3-14 Dozer Blade Control Lever.
  • Page 8 Table of Contents SY35U Excavator OMM Global Positioning System (GPS) Information Screen......3-41 Language Selection Screen .
  • Page 9 SY35U Excavator OMM Table of Contents Machine Moving Precautions........... 4-25 Travel Controls.
  • Page 10 Approved SANY Lubricants ........
  • Page 11 SY35U Excavator OMM Table of Contents Maintenance Schedule ............5-14 When Required .
  • Page 12 Table of Contents SY35U Excavator OMM Check the Alternator ............5-36 Check the Starter .
  • Page 13 SY35U Excavator OMM Table of Contents Lubrication ..............5-75 Lubrication Points .
  • Page 14 Table of Contents SY35U Excavator OMM This Page Intentionally Left Blank SANY Operation and Maintenance Manual — 0120...
  • Page 15 SANY Contact Information........

  • Page 16: Introduction

    Continuing improvements in the design of this machine can lead to changes which may not be covered in this manual. Contact a SANY dealer for the latest available information on the machine or to answer any questions regarding information in this manual.

  • Page 17: Documentation Package

    SY35U Excavator OMM Introduction DOCUMENTATION PACKAGE This documentation applies only to this machine and should not be used with any other machine. The documentation for this machine includes the following items: Operation and Maintenance Manual A copy of this manual must be stored in the machine or be accessible to the operator at all times. If the machine is sold, a copy of this manual must be provided to the new owner.

  • Page 18: Organization Of This Manual

    SY35U Excavator OMM ORGANIZATION OF THIS MANUAL Introduction Contains an overview of this manual, serial number information, and SANY contact information. Safety Hazard alerts used throughout the manual are explained. General and product-specific safety information is provided for this manual.

  • Page 19: Machine Applications

    This excavator can also operate a variety of optional equipment. SANY assumes no responsibility for any consequence caused by use outside this specified range. Machine Directions In this manual, the front, back, left, and right directions indicate the moving direction when viewed from the operator seat (see Fig.

  • Page 20: Serial Number Location

    SERIAL NUMBER LOCATION Product identification plates are located in various places on the excavator. These list model and serial numbers that will be needed by a SANY dealer when ordering replacement parts or providing assistance for your machine. Product Identification Plate...

  • Page 21: Swing Motor Identification Plate

    SY35U Excavator OMM Introduction Swing Motor Identification Plate HYDRAULIC EQUIPMENT MODEL 20A–P–9217A PCR–4B– MFG. No. 7900158 Fig. 1-4 0003140 The swing motor identification plate is on top of the swing motor. Engine Identification Plate MODEL OUTPUT DISPLACEMENT ENGINE NO. MADE IN JAPAN Fig.

  • Page 22: Hydraulic Pump Identification Plate

    Introduction SY35U Excavator OMM Hydraulic Pump Identification Plate Rexroth CN–100176 Beijing AL A10V 0 71 DFLR/31R–VSC42N00 –S4518 MNR: R902481204 FD:17W33 60800000 CN30 vg=71 n=2100min ROTA– FR=17bar LR=29kW TION Made in China Fig. 1-6 0003169 The hydraulic pump identification plate is on the bottom of the hydraulic pump.

  • Page 23: Sany Contact Information

    SY35U Excavator OMM Introduction SANY CONTACT INFORMATION SANY 318 Cooper Circle Peachtree City, GA 30269 www.sanyamerica.com Phone: 470-552-SANY (7269) Find a dealer go to: www.sanyamerica.com/find-a-dealer RECORD OF SERIAL NUMBER AND DEALER INFORMATION Use this table to record the product information related to this machine.

  • Page 24: Correction Request Form

    Introduction SY35U Excavator OMM CORRECTION REQUEST FORM If you find a problem with this manual, make a copy of this page, complete the form below, and send it to SANY. Correction Request Form Date of This Notification Your Name Company Name...

  • Page 25: Glossary Of Acronyms

    SY35U Excavator OMM Introduction GLOSSARY OF ACRONYMS ANSI – American National Standards Institute BHL – Backhoe Loader DEF – Diesel Exhaust Fluid DPF – Diesel Particulate Filter ECM – Engine Control Module GPS – Global Positioning System HEST – High Exhaust System Temperatures ISO –...
  • Page 26 Introduction SY35U Excavator OMM This Page Intentionally Left Blank 1-12 SANY Operation and Maintenance Manual — 0120...

  • Page 27: Safety

    SY35U Excavator OMM Safety Safety General Safety..............2-3 Hazard Alerts in This Manual .
  • Page 28 Safety SY35U Excavator OMM Inclined Areas ............2-12 Snow or Frozen Surfaces .

  • Page 29: General Safety

    Contact a SANY dealer for replacement decals if needed. NOTE: When replacing decals, make sure they are placed in the proper locations. Contact a SANY dealer if you have any questions about their meaning and placement.

  • Page 30: Operator Safety Information

    Inspect the operator aids of this machine daily and make sure each operator aid is in normal working condition. Any faults found shall be reported to a SANY dealer. Stop all work immediately if any operator aid is not working properly.

  • Page 31: Mount And Dismount The Machine

    This excavator can also operated a variety of optional equipment. SANY assumes no responsibility for any consequence caused by use outside this specified range. Unauthorized Use of This Machine Unauthorized uses include, but are not limited to, the following: •...

  • Page 32: Unauthorized Machine Modifications

    Short circuits, damaged wiring, or overcharging batteries can cause fires. Observe the following: • Check the wiring on the machine for damage when doing a prestart check. Contact a SANY dealer for repairs or replacement of any damaged wiring. •...

  • Page 33: In Case Of Fire

    SY35U Excavator OMM Safety In Case of Fire If a fire occurs on the machine: 1. Immediately press the emergency stop to shut down the machine. Never continue operating the machine. 2. Get clear of the machine and immediately call for help. Always have a list of emergency phone numbers available.

  • Page 34: Maintenance Safety

    SY35U Excavator OMM MAINTENANCE SAFETY SANY cannot foresee every circumstance that might involve a hazard in operation or maintenance. Therefore, the hazard alerts in this manual and on the machine may not include all possible safety precautions. Make sure all procedures and actions can be safely performed without damaging the machine or causing injury.

  • Page 35: Lockout/Tagout Procedure

    SY35U Excavator OMM Safety Lockout/Tagout Procedure Always perform the lockout/tagout procedure before servicing the machine. Cleaning the Machine Always use hot water and mild, nonflammable, grease-cutting soaps or cleaning agents to clean the machine. Never use flammable or caustic cleaning agents.

  • Page 36: Accumulator

    If the accumulator needs service, contact a SANY dealer. Electrical System Always clean the electrical system using only SANY-approved electrical cleaners. Never use caustic soaps, high-pressure water, or steam cleaners to clean the electrical system. These could damage the system or cause intermittent system failures.

  • Page 37: Job Safety

    SY35U Excavator OMM Safety JOB SAFETY It is the owner’s/operator’s responsibility to replace any safety decals that are damaged or missing from the machine. Never leave the machine running while it is unattended. Always park the machine in a safe, level area, lower any work equipment to the ground, move the hydraulic lockout control lever to the locked (closed) position, and shut down the engine before exiting.

  • Page 38: Travel And Operation Precautions

    Safety SY35U Excavator OMM Travel and Operation Precautions Confirm the relative positions of the undercarriage and operator before operating the machine. Traveling with the machine may present hazards. When traveling with the machine, always travel in a safe, controlled manner and remain alert at all times. Be sure the areas around the machine are clearly visible.

  • Page 39: Avoid Backover Accidents

    SY35U Excavator OMM Safety Avoid Backover Accidents Keep the mirrors and lights clean. Keep the cab and windows clean, if equipped. Before moving the machine, make sure all bystanders are clear of the intended path. Before moving the machine, warn others with the horn.

  • Page 40: Precautions In High-Voltage Areas

    Safety SY35U Excavator OMM Precautions in High-Voltage Areas WARNING! Overhead power lines carry high-voltage electricity that can discharge to the ground through the machine, even without direct contact with the machine’s structure. Avoid direct contact with high-voltage power lines while operating. High-voltage contact could result in equipment damage, death, or serious injury.

  • Page 41: Machine Controls

    SY35U Excavator OMM Machine Controls Machine Controls Machine Overview ............. . . 3-3 Controls .
  • Page 42 Machine Controls SY35U Excavator OMM Travel Control Levers/Pedals........... 3-21 Boom Swing Control Pedal .

  • Page 43: Machine Overview

    SY35U Excavator OMM Machine Controls MACHINE OVERVIEW NOTE: The illustration below shows a cab machine. Canopy machines are similar for non-cab related items. Fig. 3-1 0001462 1) Arm cylinder 10) Idler 2) Boom 11) Dozer blade 3) Boom swing cylinder...

  • Page 44: Controls

    Machine Controls SY35U Excavator OMM CONTROLS Switches – Cab Machine NOTE: See “Switches – Canopy Machine” on page 3-5 if your machine has a canopy. Fig. 3-2 0003776 1) Left joystick buttons (page 3-6) 6) Travel alarm switch (page 3-8)

  • Page 45: Switches - Canopy Machine

    SY35U Excavator OMM Machine Controls Switches – Canopy Machine NOTE: See “Switches – Cab Machine” on page 3-4 if your machine has a cab. Fig. 3-3 0003777 1) Left joystick buttons (page 3-6) 5) Key switch (page 3-8) 2) Horn button (page 3-7)

  • Page 46: Joystick Buttons And Switches

    Machine Controls SY35U Excavator OMM Joystick Buttons and Switches NOTE: The illustrations in this section show a cab machine. Canopy machines are similar. Left Joystick Buttons The two buttons (1) on the back of the left joystick are not used.

  • Page 47: Horn Button

    SY35U Excavator OMM Machine Controls Horn Button NOTE: The illustration shows a cab machine. Canopy machines are similar. The horn button (1) is on the back of the right joystick. Press the horn button to sound the horn. Fig. 3-6...

  • Page 48: Key Switch

    Machine Controls SY35U Excavator OMM Key Switch NOTE: The illustration shows a cab machine. Canopy machines are similar. Use the key switch (1) to start or stop the engine. There are three positions on the key switch: • OFF: When the key switch is turned to OFF, the engine is shut down, power to the electrical system is shut off, and the key can be removed or inserted.

  • Page 49: Windshield Washer Switch - Cab Machine

    SY35U Excavator OMM Machine Controls Windshield Washer Switch – Cab Machine Press the windshield washer switch (1) to spray washer fluid on the windshield to clean it. 0002978 Fig. 3-10 Windshield Wiper Switch – Cab Machine NOTICE! Before cleaning a dry windshield, press the windshield washer switch to spray washer fluid on the windshield.

  • Page 50: Work Light Switch - Cab Machine

    Machine Controls SY35U Excavator OMM Work Light Switch – Cab Machine Use the work light switch (1) to turn the work lights on and off. Fig. 3-12 0002978 There are two work lights on a cab machine: • One work light (2) on the boom.

  • Page 51: Work Light Switch - Canopy Machine

    SY35U Excavator OMM Machine Controls Work Light Switch – Canopy Machine Use the work light switch (1) to turn the work lights on and off. Fig. 3-15 0003768 There are three work lights on a canopy machine: • One work light (2) is mounted on the boom.

  • Page 52: Emergency Stop Switch

    Machine Controls SY35U Excavator OMM Emergency Stop Switch NOTE: The illustration shows a cab machine. Canopy machines are similar. If an emergency stop and quick shutdown is required or the engine cannot be stopped normally, push in the emergency stop switch (1).

  • Page 53: Power Outlet (12V) - Canopy Machine

    SY35U Excavator OMM Machine Controls Power Outlet (12V) – Canopy Machine Lift the access cover (1) up to use the power outlet (12V) (1) to charge or operate 12V electronic devices. Fig. 3-20 0003769 Dome Light Switch – Cab Machine Use the dome light switch (1) to turn the dome light (2) on and off.

  • Page 54: Operator Controls

    Machine Controls SY35U Excavator OMM OPERATOR CONTROLS NOTE: The illustration shows a cab machine. Canopy machines are similar. Fig. 3-22 0004645 1) Dozer blade control lever (page 3-15) 7) Monitor (page 3-33) 2) Right joystick (page 3-16) 8) Right travel control pedal (page 3-21)

  • Page 55: Dozer Blade Control Lever

    SY35U Excavator OMM Machine Controls Dozer Blade Control Lever NOTE: The illustration shows a cab machine. Canopy machines are similar. The dozer blade control lever (1) is on the right side of the operator seat. • Move the lever forward (2) to lower the dozer blade.

  • Page 56: Joystick Sae Mode

    Machine Controls SY35U Excavator OMM Joystick SAE Mode Left Joystick – SAE Mode The SAE mode uses the left joystick to control the arm and upper structure: • Swing the upper structure to the left (1) • Arm out (2) •...

  • Page 57: Joystick Bhl Mode

    SY35U Excavator OMM Machine Controls Joystick BHL Mode NOTE: The illustrations in this section show a cab machine. Canopy machines are similar. – Left Joystick BHL Mode The BHL mode uses the left joystick to control the boom and upper structure: •...

  • Page 58: Pattern Change (Sae/Bhl) Valve

    Machine Controls SY35U Excavator OMM Pattern Change (SAE/BHL) Valve NOTICE! Shut the engine down before adjusting the pattern change (SAE/BHL) valve. Failure to follow this notice could damage the machine or cause it to operate improperly. The pattern change (SAE/BHL) valve changes control of the boom and arm from one joystick to the other.

  • Page 59: Hydraulic Lockout Control Lever

    NOTICE! If any part of the machine moves when the hydraulic lockout control lever is in the locked (closed) position, shut down the engine immediately and contact a SANY dealer to solve this problem. NOTE: The illustrations in this section show a cab machine. Canopy machines are similar.

  • Page 60: Directional Arrow

    Machine Controls SY35U Excavator OMM NOTE: Keep all the control levers in a neutral position when moving the hydraulic lockout control lever to the unlocked (open) position. Move the hydraulic lockout control lever to the unlocked (open) position (3) to enable the hydraulic controls.

  • Page 61: Travel Control Levers/Pedals

    SY35U Excavator OMM Machine Controls Travel Control Levers/Pedals WARNING! • Take extra care when using the travel control pedals to steer the machine. • Never place your feet on the travel control pedals unless you are driving or steering the machine, which could cause unexpected movement.

  • Page 62: Boom Swing Control Pedal

    Machine Controls SY35U Excavator OMM Boom Swing Control Pedal WARNING! Do not place your foot on the boom swing control pedal except when using it for boom swing operation. Failure to follow this warning could result in death or serious injury.

  • Page 63: Windshield

    SY35U Excavator OMM Machine Controls WINDSHIELD The windshield (1) can be opened and stored on the inside of the cab roof. Fig. 3-36 0004625 Opening the Windshield CAUTION! • Avoid sudden movement of the machine or work equipment. • Always place the hydraulic lockout control lever in the locked (closed) position before opening the windshield.

  • Page 64: Closing The Windshield

    Machine Controls SY35U Excavator OMM CAUTION! When open, the windshield must be secured to the roof of the cab. If it is not secured, the windshield may slide down unexpectedly and result in injury or machine damage. 3. Inside the cab, grasp left and right grips (3) and press down the latches (2) with your thumbs.

  • Page 65: Lower Front Windshield

    SY35U Excavator OMM Machine Controls 3. Grasp left and right grips (3) and press down the latches (2) with your thumbs. Move the windshield forward and down, and release the latches. NOTE: The right side is shown; the left side is similar.

  • Page 66: Heating And Air Conditioning System

    Machine Controls SY35U Excavator OMM HEATING AND AIR CONDITIONING SYSTEM Control Panel Fig. 3-42 0002995 Item Control Operation Function Temperature Rotate to the right. Increases the temperature inside the cab. adjustment dial Rotate to the left. Decreases the temperature inside the cab.

  • Page 67: Heating And Air Conditioning System Operation

    SY35U Excavator OMM Machine Controls Heating and Air Conditioning System Operation NOTICE! • If water gets on the control panel, a failure may result. • Always keep this component free from water. Failure to follow these notices could result in damage to the machine or cause the machine to operate improperly.

  • Page 68: Air Outlets

    Machine Controls SY35U Excavator OMM Air Outlets There are multiple air outlets in the cab for operator comfort and windshield defrosting: • Windshield defrosting vent (1). Fig. 3-43 0003856 • Cab front vent (2). • Cab rear vent (3). 0003793 Fig.

  • Page 69: Radio

    SY35U Excavator OMM Machine Controls RADIO Radio Control Panel Fig. 3-45 0002996 AS/PS selector button Power button AM/FM selector button Volume (VOL) + and - control buttons Sound mode adjustment button (SEL) Tuning ◄ and ► control buttons Time display button...

  • Page 70: Sound Mode Adjustment Button (Sel)

    Machine Controls SY35U Excavator OMM Sound Mode Adjustment Button (SEL) Use the SEL sound mode adjustment button (3) to adjust the sound tones and speaker balance. Each time the SEL button is pressed, the display will cycle to adjustment options as follows: •...

  • Page 71: Battery Disconnect Switch

    SY35U Excavator OMM Machine Controls BATTERY DISCONNECT SWITCH NOTICE! • Never turn the battery disconnect switch to the OFF position while the engine is running. This can damage the electrical system or cause the machine to operate improperly. • After machine shutdown, wait at least 1 minute for the engine control module (ECM) to complete its shutdown before disconnecting the battery.

  • Page 72: Escape Tool - Cab

    Machine Controls SY35U Excavator OMM ESCAPE TOOL – CAB If the cab door or windshield cannot be opened during an emergency, the escape tool (1) can be used to break a cab window. The escape tool is inside the cab behind the seat.

  • Page 73: Monitor

    SY35U Excavator OMM Machine Controls MONITOR The monitor (1) displays machine operating information and provides access to change system parameters. Fig. 3-49 0003777 Daily Maintenance Information Screen When the key switch is turned to ON, the monitor displays the Daily Maintenance Information screen.

  • Page 74: Maintenance Information Screen

    Machine Controls SY35U Excavator OMM Maintenance Information Screen The Maintenance Information screen will display instead of the Daily Maintenance Information screen at each maintenance interval. 1. Press and hold the button below the operating mode icon, on the home screen, to display information from 50–4000 service interval hours.
  • Page 75 SY35U Excavator OMM Machine Controls Item Home Screen Display Function Description Date and time Displays the current date and time. Date (YY/MM/DD) and Time (HH/MM/SS) Preheat icon Indicates the engine is in preheating mode. Battery discharge icon When illuminated, indicates the battery is discharging.

  • Page 76: Function List Screen

    Machine Controls SY35U Excavator OMM Function List Screen Access the Function List screen by pressing the button under the folder icon on the home screen. See “Home Screen” on page 3-34. The Function List screen displays the following: • Main Menu – Machine operational information and controls.

  • Page 77: System Information Screen

    SY35U Excavator OMM Machine Controls System Information Screen Access to the Main Menu screen requires entering the password 31868 on the System Information screen. 1. Press the button below the up/down arrow icon (1) to scroll to the desired number.

  • Page 78: Main Menu Screen

    Machine Controls SY35U Excavator OMM Main Menu Screen The Main Menu screen displays the main signals to and from the system controller, including real-time running information, machine configuration, detailed failure information, available languages, and maintenance information. • Operation Information – Displays real-time engine operating values, fuel level, and load-sense pressure with the engine running.

  • Page 79: Operation Information Screen

    SY35U Excavator OMM Machine Controls Operation Information Screen The Operation Information screen displays real-time engine operating values, fuel level, and load-sense pressure with the engine running. Press the button below the up/down arrow icon (1) to scroll to the next pages.

  • Page 80: Joystick Screen

    Machine Controls SY35U Excavator OMM Joystick Screen The Joystick screen (1) displays real-time joystick valve information: Press the button below the up/down arrow icon (1) to scroll to the next pages. NOTE: To return to the Main Menu screen, press the button below the return icon (2).

  • Page 81: Failure Information Screen

    The Failure Information screen displays failure codes recorded by the machine. SPN and FMI codes are engine diagnostic failure codes. Contact a SANY dealer for troubleshooting information. NOTE: To return to the previous screen, press the button below the return icon (1).

  • Page 82: Language Selection Screen

    Machine Controls SY35U Excavator OMM Language Selection Screen Access the Language Selection screen from the Main Menu screen. The Language Selection screen allows the selection of the language that will display information on all display screens. To change the language setting: 1.

  • Page 83: Operating Mode Screen

    Fig. 3-63 0003816 NOTE: Check the work tool operator manual or contact a SANY dealer for hydraulic flow rate information. 1. Press the button below the left/right arrow icon (9) to scroll to and illuminate the selected work tool icon.

  • Page 84: Flow Rate Information Screen

    Machine Controls SY35U Excavator OMM Flow Rate Information Screen NOTICE! Check the work tool operator manual for hydraulic flow rate information. Follow all optional equipment information and safety precautions. The Flow Rate Information screen displays the flow rate of the hydraulic work tool selected in the Operating Mode screen.

  • Page 85: Flow Rate Setting Screen

    SY35U Excavator OMM Machine Controls Flow Rate Setting Screen The Flow Rate Setting screen displays the flow rate information of the operating mode of the hydraulic work tool selected in the Flow Rate Information screen. • Check the work tool operator manual for hydraulic flow rate information.

  • Page 86: Date And Time Setup Screen

    Machine Controls SY35U Excavator OMM Date and Time Setup Screen The Date and Time Setup screen is accessed by selecting the Time Calibration icon on the Function List screen and allows changes to be made to the date, time, and time zone.

  • Page 87: Diesel Particulate Filter (Dpf) Screens

    SY35U Excavator OMM Machine Controls Diesel Particulate Filter (DPF) Screens Stationary Regeneration The DPF Tips screen on the monitor will prompt the operator to perform stationary regeneration of the exhaust system when needed. Read and understand the operation procedures and precautions before starting stationary regeneration.
  • Page 88 Regen Ack lamp message and exhaust gas temperature lamp message (5) will illuminate steadily. NOTICE! If the red engine stop lamp (8) illuminates, shut down the engine immediately. Contact a SANY dealer for further information. Failure to follow this notice could damage the machine or cause it to operate improperly.
  • Page 89 SY35U Excavator OMM Machine Operation Machine Operation Work Area ..............4-4 General Job Safety .
  • Page 90 Machine Operation SY35U Excavator OMM Inspection After Engine Shutdown ..........4-24 Moving the Machine.
  • Page 91 SY35U Excavator OMM Machine Operation Parking the Machine on a Grade ..........4-46 Cold Weather Operation .

  • Page 92: Work Area

    Machine Operation SY35U Excavator OMM WORK AREA The work area is where the actual job is performed. Within the work area are hazard areas. Hazard areas immediately surround the machine where personnel may be at risk due to the machine’s operation and movement.

  • Page 93: Prestart Checks And Adjustments

    • Check the undercarriage (tracks, sprockets, rollers, and guards) for damage, wear, loose fasteners, and oil leaks. If repairs are needed, contact a SANY dealer. • Check the bucket or optional equipment for damage. Lubricate work equipment as necessary. See “Lubrication”...

  • Page 94: Fluid Level Checks

    NOTICE! If the overflow tank is empty, there may be an engine coolant leak. Inspect for engine coolant leaks. If a leak is not found, check the engine coolant level in the radiator. Contact a SANY dealer for additional information.

  • Page 95: Engine Oil Level Check

    5. Add clean engine oil through the filler port (3) until the oil level is at the upper mark of the dipstick (2). Always use SANY-approved engine oil. See “Recommended Lubricants, Fuels, and Engine Coolant” on page 5-10. Fig. 4-3 0002770 6.

  • Page 96: Fuel Level Check

    Machine Operation SY35U Excavator OMM Fuel Level Check 1. Turn the key switch to ON to activate the monitor. Check the fuel level (1) on the monitor. 3. Turn the key switch to OFF. Fig. 4-5 0003770 Add Fuel WARNING! •...

  • Page 97: Fuel Tank Filler Cap

    SY35U Excavator OMM Machine Operation NOTE: Never overfill the fuel tank. Stop fueling if the fuel spills over the fuel fill strainer. Make sure the fuel nozzle does not damage the fuel fill strainer. 3. Install the fuel filler cap after refueling.

  • Page 98: Check And Drain The Primary Fuel Filter/Water Separator

    Machine Operation SY35U Excavator OMM Check and Drain the Primary Fuel Filter/Water Separator WARNING! • Fuel or fuel vapors that come into contact with hot surfaces or electrical components can cause a fire. • Never service the fuel system near an open flame or while smoking.

  • Page 99: Check The Hydraulic Oil Level

    SY35U Excavator OMM Machine Operation Check the Hydraulic Oil Level 1. Position the work equipment (1) as shown on the hydraulic tank decal. 2. Prepare the machine for service. See “Maintenance Safety” on page 2-8. Fig. 4-8 0002925 3. Check the hydraulic oil level in the hydraulic tank through the sight gauge (2).

  • Page 100: Electrical Components Check

    NOTICE! • If fuses fail frequently, the wiring harness must be inspected for broken or damaged wire insulation or a component placing a high electrical load on the system. Contact a SANY dealer for additional information. • The top of the battery must be kept clean to prevent plugging of the battery vents.

  • Page 101: Seat And Seat Belt

    SY35U Excavator OMM Machine Operation SEAT AND SEAT BELT This machine has an operator seat with seat position, backrest, and weight suspension adjustments. NOTE: The illustrations in this section show a cab machine. Canopy machines are similar. Seat Position Adjustment When seated, lift the seat position adjustment lever (1) on the front lower edge of the seat.

  • Page 102: Buckle The Seat Belt

    Press the red button on the buckle (3) to release the latch plate. WARNING! Contact a SANY dealer if the seat belt fails to fasten or unfasten. Failure to follow this warning could result in death or serious injury. 4-14 SANY Operation and Maintenance Manual —...

  • Page 103: Mirror Adjustment

    SY35U Excavator OMM Machine Operation MIRROR ADJUSTMENT NOTE: The illustrations in this section show a cab machine. Canopy machines are similar. 1. Loosen the fasteners (1) that secure the mirror (2) to the arm and rail. 2. Adjust the mirror for the best visibility to the rear of the machine and tighten the fasteners.

  • Page 104: Starting The Engine

    Machine Operation SY35U Excavator OMM STARTING THE ENGINE WARNING! • Before starting the engine or leaving the operator seat, make sure the hydraulic lockout control lever is in the locked (closed) position. If the hydraulic system is not locked, unintentional machine operation may occur.
  • Page 105 • If the engine fails to start after 15 seconds, stop and allow the starter motor to cool for at least 2 minutes before attempting another start. • If the engine fails to start after five attempts, contact a SANY dealer. Failure to follow this notice could damage the machine or cause it to operate improperly.

  • Page 106: Idling The Engine

    • If the engine fails to start after 15 seconds, stop and allow the starter motor to cool for at least 2 minutes before attempting another start. • If the engine fails to start after five attempts, contact a SANY dealer. Failure to follow this notice could damage the machine or cause it to operate improperly.

  • Page 107: Warm-Up Operation

    SY35U Excavator OMM Machine Operation 2. Turn the key switch to the ON position. If the engine coolant is less than 37°F (3°C), an engine preheat cycle will start and the engine preheat symbol will illuminate. When the preheat symbol turns off, the engine can be started.

  • Page 108: Jump-Start The Engine

    Machine Operation SY35U Excavator OMM Jump-Start the Engine WARNING! • When working with any open electrical circuit, ensure that your hands are free of any metal objects (rings, watches, jewelry, etc.). • The top of the battery must be kept clean to prevent plugging of the battery vents.
  • Page 109 8. Attempt to start the engine of the machine with the drained battery. Retry every 3 minutes if the engine will not start. NOTE: Contact a SANY dealer if the engine will not start after five attempts. 9. Disconnect the jumper cables from the machine with the drained battery in the reverse order of installation.

  • Page 110: New Machine Break-In

    Sany recommends a break-in period of 100 service hours for a new machine. Properly breaking in a new machine is crucial for long service life by allowing time for internal engine parts to break in properly.

  • Page 111: Engine Shutdown

    SY35U Excavator OMM Machine Operation ENGINE SHUTDOWN NOTICE! • Stopping the engine before it cools can accelerate engine component wear. Never abruptly shut down the engine except in an emergency. • Never stop the engine suddenly when it is overheated. Run the engine at low idle to allow it to cool down gradually before shutting it down.

  • Page 112: Inspection After Engine Shutdown

    Machine Operation SY35U Excavator OMM Inspection After Engine Shutdown 1. After shutting down the engine, conduct a walk-around inspection. Check the work equipment, the exterior of the machine, and the undercarriage. 2. Check the engine coolant, engine oil, and hydraulic oil levels. See “Fluid Level Checks” on page 4-6.

  • Page 113: Machine Moving Precautions

    SY35U Excavator OMM Machine Operation Machine Moving Precautions WARNING! • Check the surroundings and sound the horn before moving the machine. • Personnel are not allowed to approach the machine without operator approval. • If the travel motors are in the front of the machine, the travel control pedals will operate in reverse.

  • Page 114: Right Turn

    Machine Operation SY35U Excavator OMM Right Turn Push the left travel control lever (1) forward or press the top of the left pedal with the right travel control lever (2) in the neutral position to turn the machine to the right.

  • Page 115: Work Equipment Control And Operation

    SY35U Excavator OMM Machine Operation WORK EQUIPMENT CONTROL AND OPERATION NOTE: • When released, the joysticks return to the neutral position and the work equipment holds its current position. • There are two operating modes available for the joystick controls, the Society of Automotive Engineers (SAE) mode and the Backhoe Loader (BHL) mode.

  • Page 116: Boom Control - Bhl Mode

    Machine Operation SY35U Excavator OMM Boom Control – BHL Mode To raise the boom pull, the left joystick. To lower the boom push, the left joystick. 0003058 Fig. 4-30 Swing Control – SAE/BHL Mode To swing the machine to the right, move the right joystick to the right.

  • Page 117: Dozer Blade Control Lever

    SY35U Excavator OMM Machine Operation Dozer Blade Control Lever NOTE: Illustration shows a cab machine. Canopy machines are similar. Push the dozer blade control lever (1) forward to lower the dozer blade. Pull the dozer blade control lever backward to raise the dozer blade.

  • Page 118: Restricted Operation

    Machine Operation SY35U Excavator OMM RESTRICTED OPERATION WARNING! • Use caution when operating work equipment while the machine is traveling. • When the engine auto idle is on, moving any control lever will increase the engine speed. • Do not operate the machine on any ground that lacks sufficient support.

  • Page 119: Never Use Swing Force

    SY35U Excavator OMM Machine Operation Never Use Swing Force Never use swing force to compact the ground or to break objects. Such operation is very dangerous and may reduce the service life of the machine. 0002846 Fig. 4-37 Never Use Traveling Force Never use the machine’s traveling force to cut the bucket...

  • Page 120: Never Operate Using Machine Weight

    Machine Operation SY35U Excavator OMM Never Operate Using Machine Weight Never raise the rear or front of the machine to use the machine’s weight to excavate. Operating while using the machine’s weight may damage the machine. 0002870 Fig. 4-39 Do Not Operate a Cylinder at the Stroke Avoid operating the machine with any cylinder fully retracted or extended.

  • Page 121: Avoid Dozer Blade Impact

    SY35U Excavator OMM Machine Operation Avoid Dozer Blade Impact Do not strike rocks or other hard objects with the dozer blade. This can shorten the service life of the dozer blade or the hydraulic cylinder. 0002874 Fig. 4-41 Avoid Shifting Travel Directions Suddenly •...

  • Page 122: Travel

    Machine Operation SY35U Excavator OMM TRAVEL General Travel Instructions WARNING! • Check the surroundings and sound the horn before moving the machine. • Personnel are not allowed to approach the machine without operator approval. • If the travel motors are in the front of the machine, the travel control pedals will operate in reverse.

  • Page 123: Traveling At High Speed

    SY35U Excavator OMM Machine Operation • Do not drive or swing the machine on broken stones, rugged surfaces, steel bars, or scrap iron. This could cause personal injury or track damage. • Do not perform operations where the rubber tracks may skid.

  • Page 124: Operating In Water

    Machine Operation SY35U Excavator OMM Operating in Water NOTICE! • Operate the machine slowly when traveling through water. Check the depth of the water with the bucket. • Do not operate the machine in a marine environment. Salt in seawater can damage the track links.

  • Page 125: Traveling On An Incline

    SY35U Excavator OMM Machine Operation Traveling on an Incline Precautions When Traveling on an Incline WARNING! • Operating the machine on an incline may cause the machine to become unstable. • Use caution when operating the machine on inclines, and use a lower engine speed.
  • Page 126 Machine Operation SY35U Excavator OMM • Avoid crossing inclines as much as possible. Slipping or rolling over may occur. • Do not swing (1) the upper structure on a slope. The machine may tip over. If such an operation is necessary, swing the upper structure and the boom with great care.

  • Page 127: Engine Stalls On An Incline

    SY35U Excavator OMM Machine Operation NOTE: The tracks may slip when the machine is traveling uphill. Use the arm to help the machine travel uphill as necessary. • To maintain machine balance on an incline, extend the boom and arm uphill and keep the bucket 8 in. to 12 in.

  • Page 128: Operation On Soft Ground

    Machine Operation SY35U Excavator OMM Operation on Soft Ground NOTICE! • Rugged terrain could cause damage to track components. • Wide track shoes are intended for operation on soft surfaces. • Inspect the tracks on a regular basis. Failure to follow this notice could damage the machine or cause it to operate improperly.

  • Page 129: Two Tracks Stuck

    SY35U Excavator OMM Machine Operation 1. Position the boom and arm at an angle (1) between 90° and 110°. 2. Pivot the upper structure to position the boom over the track that is stuck. 3. Curl the bucket so the back of the bucket touches the ground.

  • Page 130: Towing The Machine

    Machine Operation SY35U Excavator OMM Towing the Machine WARNING! • Make sure the equipment used for towing the machine has the correct capacity rating. • Never use a broken chain, worn wire rope, or a bent hook to tow the machine.

  • Page 131: Recommended Operations

    SY35U Excavator OMM Machine Operation RECOMMENDED OPERATIONS WARNING! • Contact the site supervisor before any digging to make sure that all underground hazards have been located. • To avoid injury, never allow any personnel within the work zone of the machine.

  • Page 132: Trenching Work

    Machine Operation SY35U Excavator OMM Trenching Work When performing trenching work, install a bucket that matches the width of the trench, and keep the tracks parallel with the trench. When excavating a trench, always start from the sides, then remove the earth in the middle.

  • Page 133: Operating Precautions

    SY35U Excavator OMM Machine Operation OPERATING PRECAUTIONS WARNING! • Always wear appropriate personal protective equipment (PPE) and clothing during operation. • Clear all personnel and obstacles around the machine and the work area. Inspect the machine and its surroundings during operation.

  • Page 134: Park The Machine

    Machine Operation SY35U Excavator OMM PARK THE MACHINE 1. Move the machine to a solid, level surface. 2. Lower the bucket and dozer blade to the ground. 3. Move the throttle control lever to MIN (low idle). Run the engine at idle for 5 minutes to cool it.

  • Page 135: Cold Weather Operation

    SY35U Excavator OMM Machine Operation COLD WEATHER OPERATION When operating the machine in low temperatures, the engine may be difficult to start, the fuel lines may freeze, and oil may become more viscous (thicker). Select fuels and lubricants according to the air temperature.

  • Page 136: After Daily Operation

    After Cold Season Replace the fuel and engine oil with fuel and oil of the specified viscosity. See “Approved SANY Lubricants” on page 5-6. If appropriate engine coolant was not used and ethanol coolant was used as an alternative in the engine cooling system, drain, flush, and refill with the appropriate engine coolant.

  • Page 137: Long-Term Storage

    SY35U Excavator OMM Machine Operation Long-Term Storage Before Long-Term Storage NOTICE! Extend the bucket and arm and lower the boom to help prevent the cylinder rods from rusting. Failure to follow this notice could damage the machine or cause it to operate improperly.

  • Page 138: Air Conditioner Storage

    Removing from Storage NOTICE! If the machine was not operated monthly, contact a SANY dealer. Failure to follow this notice could damage the machine or cause it to operate improperly. Follow the procedures below before using a machine that has been stored for a prolonged period of time: •...

  • Page 139: Transportation Information

    SY35U Excavator OMM Machine Operation TRANSPORTATION INFORMATION Transportation Method Applicable laws and regulations must be observed when transporting the machine: • When transporting the machine with a trailer, confirm the length, width, height, and weight capacity of the trailer before loading.

  • Page 140: Loading The Machine

    Machine Operation SY35U Excavator OMM Use level, solid ground and keep the machine a safe distance away from roads during loading and unloading operations. • Make sure the loading ramps have adequate width, length, thickness, and strength. The ramp grade should not exceed 15°...
  • Page 141 SY35U Excavator OMM Machine Operation • When loading the excavator with work equipment installed, place the work equipment in the front and travel forward. 0002937 Fig. 4-70 • When loading the excavator without equipment installed, travel in reverse up the ramps. The ramp grade should not exceed 15°(1).
  • Page 142 Machine Operation SY35U Excavator OMM NOTE: To prevent damage to the bucket cylinder, place a wood block (2) between the bucket cylinder and the trailer floor. Slowly lower the bucket cylinder onto the wood block. 6. Stop the engine and turn the key switch to ON.

  • Page 143: Securing The Machine

    SY35U Excavator OMM Machine Operation Securing the Machine NOTICE! To prevent damage to the machine during transportation: • Lower the radio antenna and position the mirror inward towards the cab. • Secure any removed parts to the trailer. • Put a wood block between the bucket cylinder and the trailer floor to help prevent damage to the bucket cylinder.

  • Page 144: Unloading The Machine

    Machine Operation SY35U Excavator OMM Unloading the Machine NOTICE! To avoid damage to the machine during unloading: • Use extreme care when the machine drives over the joint area between the trailer and the ramps. • Avoid damage caused by unexpected movement of the work equipment.
  • Page 145 SY35U Excavator OMM Machine Operation 8. Adjust the boom-arm angle (3) to between 90° and 110° and lower the bucket so that the flat surface is in contact with the ground. Drive the machine slowly onto the ramps. 0002949 Fig. 4-77 9.

  • Page 146: Lifting The Machine

    Machine Operation SY35U Excavator OMM Lifting the Machine WARNING! • Make sure all lifting devices are in safe operating condition and with sufficient capacity rating to safely support the intended load. • Never lift the machine with a person inside the cab.

  • Page 147: Maintenance

    Approved SANY Lubricants ........
  • Page 148 Maintenance SY35U Excavator OMM Daily or Every 10 Hours ............5-14 After the First 50 Hours .
  • Page 149 SY35U Excavator OMM Maintenance Check the Exhaust System ..........5-37 Inspect Engine Crankcase Breather System .
  • Page 150 Maintenance SY35U Excavator OMM Arm Cylinder Rod End Pin ..........5-76 Boom-Arm Connecting Pin.

  • Page 151: Maintenance Information

    • Contact a SANY dealer if you are unable to perform the procedures listed in this manual or if additional procedures are required. •...

  • Page 152: Approved Sany Lubricants

    After changing the engine or hydraulic oil or filters, inspect them for contamination. If contamination is found, send a sample of the oil for testing to help determine the cause. Consult with a SANY dealer before operating the machine.

  • Page 153: Cleaning The Machine

    Weld, Drill, Cut, or Grind on the Machine NOTICE! Contact a SANY dealer before beginning any welding repairs. Any welding repairs on the machine must be performed by personnel who are qualified and certified to perform repairs that require welding. Owners are responsible for the structural integrity of any completed repair.

  • Page 154: Dusty Environments

    Maintenance SY35U Excavator OMM Dusty Environments Clean the following components: • Engine air filter: Clean the dust evacuator frequently. Immediately service the air filter and housing if an air filter restriction indicator is displayed. See “Check and Replace the Engine Air Filters” on page 5-36.

  • Page 155: Daily Inspection And Maintenance

    SY35U Excavator OMM Maintenance Daily Inspection and Maintenance Do the following before operation with the engine off: • Perform daily service as necessary. • Inspect the machine for loose or missing components. • Clean the cab. • Check all controls for smooth operation and make sure they return to the neutral position.

  • Page 156: Recommended Lubricants, Fuels, And Engine Coolant

    Diesel fuel GB252 Super-20 diesel fuel GB252 Super -35 diesel fuel Lubrication Grease NLGI No.2 Engine See the engine manual or contact a SANY dealer for the recommended Cooling system coolant engine coolant. 5-10 SANY Operation and Maintenance Manual — 0120...

  • Page 157: Fluid Capacities

    Always use clean extreme pressure (EP) grease when greasing the machine. Avoid using low-viscosity greases. SANY recommends EP 2 or equivalent designed lubricants for heavy-duty plain and rolling element bearings operating under severe conditions, including shock loading in wet environments.

  • Page 158: Fuel

    Use only ultra-low sulfur fuel, with a limit of S<15 mg/kg for all normal operations. • SANY does not recommend the use of any diesel fuel with a cetane level less than 40. • Do not use gasoline, kerosene, or any unapproved fuels in the fuel system.

  • Page 159: Engine Coolant

    SY35U Excavator OMM Maintenance Engine Coolant WARNING! • Engine coolant is toxic. Avoid inhaling or ingesting engine coolant. If eyes or skin are contaminated by coolant, wash the affected area with plenty of water and seek medical treatment immediately. • Engine coolant may be under pressure when the engine is hot. Avoid contact with hot engine coolant.

  • Page 160: Maintenance Schedule

    Maintenance SY35U Excavator OMM MAINTENANCE SCHEDULE NOTICE! Failure to perform the following procedures when and as directed could result in machine damage and improper machine operation. 1. Park the machine on a flat, firm surface. 2. Obtain the maintenance log for this machine and complete it at the close of all maintenance procedures.

  • Page 161: After The First 50 Hours

    SY35U Excavator OMM Maintenance • Check the hydraulic oil tank level. (See page 4-11.) • Check the hydraulic oil pump mounting fasteners. (See page 5-65.) • Check the hydraulic line connections. (See page 5-65.) • Check the sheet metal. (See page 5-83.) •...

  • Page 162: Every 100 Hours

    Maintenance SY35U Excavator OMM • Adjust the track tension. (See page 5-68.) Every 100 Hours • Lubricate the machine. (See page 5-19.) • Lubricate the swing bearing. (See page 5-80.) After the First 100 Hours • Initial replacement of the hydraulic oil return filter. (See page 5-60.)

  • Page 163: Every 6 Months Or 1000 Hours

    SY35U Excavator OMM Maintenance • Clean the radiator, oil cooler, and air conditioner condenser fins. (See page 5-42.) • Lubricate the swing bearing. (See page 5-80.) • Lubricate the swing pinion gear. (See page 5-81.) • Replace the hydraulic tank breather filter. (See page 5-58.) •...

  • Page 164: Annually Or Every 4000 Hours

    Maintenance SY35U Excavator OMM • Check the engine valve clearance. (Contact a SANY dealer for information.) • Inspect the alternator. (See page 5-36.) • Inspect the starter. (See page 5-37.) • Clean the hydraulic oil suction strainer. (See page 5-62.) •...

  • Page 165: Lubrication And Maintenance Charts

    Lubricants minimize wear between moving parts. Insufficient lubrication will lead to excessive wear and damage to components. Engine oil is critical for engine operation. Never use lubricants that are not SANY-approved. Clean grease fittings before applying grease. Use a grease gun to pump grease into the fitting until old grease begins to escape.
  • Page 166 Maintenance SY35U Excavator OMM Lubrication Chart Lubrication Interval Item Maintenance Items Qty. Lubricant Daily 100 hr. 250 hr. 500 hr. Arm cylinder pins Grease Boom-arm connecting pin Boom pin Swing bearing Dozer blade linkage pins Dozer blade cylinder pins Boom cylinder pins...

  • Page 167: Accessory Light Outlet

    SY35U Excavator OMM Maintenance ACCESSORY LIGHT OUTLET An accessory light (12V) outlet (1) is located in the engine compartment and is used for operating an accessory light. Fig. 5-3 0003786 DOORS, WINDSHIELD, AND HOOD NOTE: Illustrations show a cab machine. Canopy machines are similar for non-cab-related items.
  • Page 168 Maintenance SY35U Excavator OMM • Right rear access door (3) Fig. 5-5 0003770 • Right front access door (4) Fig. 5-6 0002991 • Fuse access door (5) Fig. 5-7 0004629 5-22 SANY Operation and Maintenance Manual — 0120...

  • Page 169: Cab Door

    Inspect and Lubricate the Cab Door 1. Check the body (1) of the cab door lock for loose or damaged components. Make sure the cab door closes tightly and latches securely. Contact a SANY dealer if repairs are required. Fig. 5-10...

  • Page 170: Windshield

    Maintenance SY35U Excavator OMM 2. Check that the lock catch (2) of the cab door lock is secure and has no excessive wear or damage. 0003193 Fig. 5-11 3. Grease the two cab door hinges (3) until grease comes out of the hinges. Wipe off excess grease.

  • Page 171: Engine Hood

    SY35U Excavator OMM Maintenance Engine Hood Opening the Engine Hood 1. Insert the key into the lock (1) and turn the key clockwise to unlock the hood (2). 2. Press the lock button to release the latch and open the engine hood.

  • Page 172: Right Rear Access Door

    Maintenance SY35U Excavator OMM Right Rear Access Door Opening the Right Rear Access Door 1. The engine hood (1) must be opened, as shown, before the right rear access door (2) can be opened. See “Engine Hood” on page 5-25.

  • Page 173: Closing/Locking The Right Front Access Door

    SY35U Excavator OMM Maintenance Closing/Locking the Right Front Access Door 1. Lift the access door support arm (1) up slightly from the support position, close the access door, and insert the key. 2. Turn the key counterclockwise to lock. Remove the key.

  • Page 174: Fuses

    Maintenance SY35U Excavator OMM FUSES NOTICE! • A fuse should be replaced if it is blown, corroded, or becomes loose in the fuse block. • Before replacing a fuse, make sure the key switch is in the OFF position and the batteries are disconnected.

  • Page 175: Replacing A Fuse

    HVAC system fan Power outlet (12V) AC compressor Monitor controller Fuel pump Reserved for future circuit Reserved for future circuit Relay Circuits Contact a SANY dealer for troubleshooting electrical problems with the machine. Relay Amperage Circuit 12V/35A Starting 12V/35A Horn...

  • Page 176: Maintenance Procedures

    Maintenance SY35U Excavator OMM MAINTENANCE PROCEDURES Engine WARNING! Maintenance and service must be performed with the engine off unless otherwise indicated. • Shut off the engine before opening or removing the engine cover. • Remove the key and turn the battery disconnect switch to the OFF position.

  • Page 177: Prestart Inspection

    Collect Engine Oil Sample NOTE: Engine oil samples are taken every 3 months or every 250 operating hours. 1. Obtain an oil analysis sample kit from a SANY dealer. 2. Operate the machine until the engine oil is up to normal operating temperature.

  • Page 178: Check The Engine Oil Level

    Fig. 5-24 0002770 6. Add engine oil through the filler port (4) as required. Always use SANY-recommended engine oil. NOTE: If the oil level is above the upper mark on the dipstick, drain the excess oil. See “Change the Engine Oil and Filter” on page 5-33.

  • Page 179: Change The Engine Oil And Filter

    SY35U Excavator OMM Maintenance Change the Engine Oil and Filter NOTE: See “Fluid Capacities” on page 5-11 for the engine oil capacity. 1. Prepare the machine for service. See “Maintenance Safety” on page 2-8. NOTICE! Dispose of used oil and filters in according to all applicable environmental regulations. Failure to do so could damage the environment.
  • Page 180 Maintenance SY35U Excavator OMM 7. Open the engine hood. See “Opening the Engine Hood” on page 5-25. 8. Remove the oil filter (6). 9. Clean the oil filter housing mating surface as necessary to remove O-ring residue. Inspect the threads.

  • Page 181: Check And Adjust The Fan Belt Tension

    Visually inspect the condition of the belt. Fan belts that have been exposed to oil or engine coolant, or show signs of damage or wear, must be replaced. Contact a SANY dealer if the fan belt needs to be replaced. 5-35 SANY Operation and Maintenance Manual —...

  • Page 182: Check And Replace The Engine Air Filters

    Prepare the machine for service. See “Maintenance Safety” on page 2-8. Check the alternator for abnormal noise and operation. If the alternator is malfunctioning, the brushes or bearings may have reached the end of their service life and may need to be replaced. Contact a SANY dealer for additional information.

  • Page 183: Check The Starter

    Maintenance Check the Starter Prepare the machine for service. See “Maintenance Safety” on page 2-8. Check the starter motor for abnormal noise and operation. If the starter is malfunctioning, contact a SANY dealer for additional information. Check the Exhaust System...

  • Page 184: Inspect Engine Crankcase Breather System

    Maintenance SY35U Excavator OMM Inspect Engine Crankcase Breather System The crankcase breather system is required to be inspected every 1500 hours to maintain the emission requirements of the engine. The crankcase breather system has a spring-backed diaphragm in the valve cover. When the crankcase pressure...

  • Page 185: Engine Cooling System

    SY35U Excavator OMM Maintenance Engine Cooling System WARNING! Never operate a machine with a damaged or defective exhaust system, exhaust leaks, or restrictions. Failure to follow this warning could result in death or serious injury. Check the Engine Coolant Level See “Check the Engine Coolant Level”...
  • Page 186 Maintenance SY35U Excavator OMM 4. From under the radiator, remove four fasteners (2) and cover (3). Fig. 5-37 0003858 NOTE: See “Other Approved Lubricants” on page 5- 13 for cooling system capacity. Use a catch container of adequate size for this capacity.

  • Page 187: Inspect The Engine Coolant Pump

    3. Look for signs of leaking coolant at hose connections and underneath the coolant pump. NOTE: Contact a SANY dealer for replacement of engine components. Fig. 5-40 0003840...

  • Page 188: Inspect And Clean The Cooling Package

    Maintenance SY35U Excavator OMM Inspect and Clean the Cooling Package WARNING! • Do not allow compressed air, pressurized water, or steam to come into contact with skin. • Always wear goggles, gloves, and other personal protective equipment (PPE). Failure to follow these warnings could result in death or serious injury.

  • Page 189: Heating And Air Conditioning System-Cab

    SY35U Excavator OMM Maintenance Heating and Air Conditioning System–Cab Check Heating and Air Conditioning System Operation See “Heating and Air Conditioning System” on page 3-26. 1. With the engine running, adjust the blower speed adjustment dial to check start-up, fan speed control, and airflow.

  • Page 190: Inspect And Adjust The Air Conditioner Compressor Belt Tension

    Maintenance SY35U Excavator OMM 2. Lift the right side of the front floor mat (2). 3. Remove the two fasteners (3) and the ventilation filter screen cover (1). Fig. 5-42 0003095 4. Remove the fasteners (4) and the ventilation filter element (5).

  • Page 191: Adjust The Air Conditioner Compressor Belt Tension

    SY35U Excavator OMM Maintenance Adjust the Air Conditioner Compressor Belt Tension NOTICE! • Check the pulleys and V-belt for damage and wear. Make sure that the V-belt does not rub against the bottom groove of the pulleys. • A newly installed V-belt must be readjusted after operating the machine for 1 hour.

  • Page 192: Fuel System

    Maintenance SY35U Excavator OMM Fuel System Bleed the Fuel System NOTE: Air trapped in the fuel system may cause engine starting failure or abnormal running. After servicing the fuel system or running out of fuel, the key switch should be turned to the ON position for 2-3 minutes before attempting to start the engine.
  • Page 193 SY35U Excavator OMM Maintenance 2. Locate the fuel drain valve (1) under the right side of the machine. 3. Place a suitable container under the valve to collect the drained fuel. If needed, you can attach a drain hose to the valve by removing the right side panel (2).

  • Page 194: Replace The Secondary Fuel Filter

    3. Remove the fuel filter with a filter wrench. NOTE: Always use SANY-approved fuel filters. 4. Clean the mounting base of the fuel filter and fill the new fuel filter with clean fuel. Apply a thin film of oil to the O-ring and install the new fuel filter onto the filter housing.

  • Page 195: Replace The Primary Fuel Filter/Water Separator Element

    SY35U Excavator OMM Maintenance Replace the Primary Fuel Filter/Water Separator Element WARNING! • Components and oil remain hot when the engine is stopped and may cause severe burns. Wait until components and oil are cool before you proceed. • Never service the fuel system near an open flame or while smoking.
  • Page 196 Maintenance SY35U Excavator OMM 5. Place the fuel shutoff valve (1) in the OFF position. 6. Route the drain hose (6) into a suitable container. 7. Open the drain valve (5) to allow all water and fuel to drain from the filter.

  • Page 197: Check The Fuel Tank Strainer

    SY35U Excavator OMM Maintenance Check the Fuel Tank Strainer 1. Open the right front access door. See “Unlocking/Opening the Right Front Access Door” on page 5-26. 2. Remove the fuel filler cap (1). NOTE: Fuel filler cap may be a locking type cap.

  • Page 198: Check The Fuel Lines

    Inspect all steel, plastic, and rubber fuel lines, including those on the engine. • Replace any fuel lines that show signs of deterioration, wear, damage, or leaks. • Contact a SANY dealer for repairs on the fuel system. Battery Check the Battery WARNING! Before proceeding with any battery maintenance procedure, observe the following: •...
  • Page 199 SY35U Excavator OMM Maintenance 2. Open the engine hood (1). See “Opening the Engine Hood” on page 5-25. 3. Open the right rear access door (2). See “Opening the Right Rear Access Door” on page 5-26. NOTE: Allow several minutes for any accumulated battery gases to clear before servicing the battery.

  • Page 200: Remove The Battery

    Maintenance SY35U Excavator OMM Remove the Battery WARNING! Before proceeding with any battery maintenance procedure, observe the following: • The top of the battery must be kept clean to prevent plugging of the battery vents. Regularly wash the top of the battery to prevent the battery vents from plugging.
  • Page 201 SY35U Excavator OMM Maintenance 5. Disconnect the ground terminal (2) first, then the positive terminal (1). 6. Remove the fastener (3) securing the battery hold- down (4). Remove the battery hold-down. 7. Check that all cables and parts are out of the way, then lift the battery out of the battery compartment.

  • Page 202: Hydraulic System

    5. Fully cycle each pedal, joystick, and travel control lever two or three times within 15 seconds in order to release any pressure remaining in the hydraulic lines. NOTE: If there is no movement, contact a SANY dealer. Relieve Hydraulic System Pressure NOTE: Hydraulic system pressure must be relieved before disconnecting or servicing hydraulic system components.

  • Page 203: Add Hydraulic Oil

    SY35U Excavator OMM Maintenance Add Hydraulic Oil WARNING! • Allow the hydraulic system to cool before servicing. Hot oil may cause burns or other serious injury. • The hydraulic tank may be under pressure, and hydraulic oil may be present at the filler cap.

  • Page 204: Replace The Hydraulic Tank Breather Filter Element

    Maintenance SY35U Excavator OMM Replace the Hydraulic Tank Breather Filter Element WARNING! • Allow the hydraulic system to cool before servicing. Hot oil may cause burns or other serious injury. • The hydraulic tank may be under pressure, and hydraulic oil may be present at the filler cap.

  • Page 205: Replace The Hydraulic Oil Pilot Filter

    SY35U Excavator OMM Maintenance Replace the Hydraulic Oil Pilot Filter WARNING! • Allow the hydraulic system to cool before servicing. Hot oil may cause burns or other serious injury. • The hydraulic tank may be under pressure, and hydraulic oil may be present at the filler cap.

  • Page 206: Replace The Hydraulic Oil Return Filter

    Maintenance SY35U Excavator OMM 9. Check the hydraulic oil level and add hydraulic oil as needed. See “Check the Hydraulic Oil Level” on page 4-11. Replace the Hydraulic Oil Return Filter WARNING! • Allow the hydraulic system to cool before servicing. Hot oil may cause burns or other serious injury.
  • Page 207 SY35U Excavator OMM Maintenance 3. Clean the top of the hydraulic tank and the return filter cover (1). 4. Loosen the four fasteners (2) securing the return filter cover. Push the cover down against spring pressure while removing the fasteners. Remove the cover.

  • Page 208: Clean And Replace The Hydraulic Oil Suction Strainer

    Maintenance SY35U Excavator OMM Clean and Replace the Hydraulic Oil Suction Strainer WARNING! • Allow the hydraulic system to cool before servicing. Hot oil may cause burns or other serious injury. • The hydraulic tank may be under pressure, and hydraulic oil may be present at the filler cap.

  • Page 209: Change The Hydraulic Oil

    SY35U Excavator OMM Maintenance Change the Hydraulic Oil WARNING! • Allow the hydraulic system to cool before servicing. Hot oil may cause burns or other serious injury. • The hydraulic tank may be under pressure, and hydraulic oil may be present at the filler cap.

  • Page 210: Collect Hydraulic Oil Sample

    Collect Hydraulic Oil Sample NOTE: Hydraulic oil samples are taken every 3 months or every 250 operating hours. 1. Obtain an oil analysis sample kit from a SANY dealer. 2. Operate the machine until the hydraulic oil is up to normal operating temperature.

  • Page 211: Check The Hydraulic Hoses, Lines, And Connectors

    SY35U Excavator OMM Maintenance Check the Hydraulic Hoses, Lines, and Connectors Check all hoses and lines for leaks. Replace damaged or leaking hoses or lines immediately. Any hydraulic pump lines or connectors connected to the engine compartment must be replaced if damaged.
  • Page 212 Maintenance SY35U Excavator OMM 3. Inspect hydraulic pump (3) for loose, broken, or missing pump mounting fasteners (4), and leaks or cracking at these mounting fastener locations. NOTE: Not all pump mounting fasteners are visible. Be sure to inspect all pump mounting fastener locations.

  • Page 213: Track Assembly

    SY35U Excavator OMM Maintenance Track Assembly Check the Track Tension NOTICE! Remove gravel or mud buildup between the sprocket and the track before checking track tension. 1. Use the bucket as a support to raise the track on one side. Swing the upper structure sideways, lower the bucket to the ground, and raise one track off the ground.

  • Page 214: Adjust The Track Tension

    Maintenance SY35U Excavator OMM Adjust the Track Tension WARNING! • The track tension grease fitting is under extreme pressure, and grease can exit the grease valve and cause serious injury. • Wear safety goggles, gloves, and other personal protective equipment (PPE) to prevent serious injury.

  • Page 215: Decrease The Track Tension

    SY35U Excavator OMM Maintenance Decrease the Track Tension NOTICE! Remove gravel or mud buildup between the sprocket and the track before reducing track tension. 1. Use the bucket as a support to raise the track on one side. Swing the upper structure sideways, lower the bucket to the ground, and raise one track off the ground.

  • Page 216: Check The Carrier Roller Fasteners

    0003852 Fig. 5-77 Check the Idler Check the idler (1) for cracks and distortion. NOTE: The left side is shown. The right side is similar. Contact a SANY dealer for replacement if damage is found. 0003866 Fig. 5-78 5-70 SANY...

  • Page 217: Check The Final Drive Motor Connections And Mounting Fasteners

    NOTE: Use thread lock compound when reinstalling loose fasteners and installing new fasteners. 6. Check for leaks. Fig. 5-80 0004632 NOTE: Contact a SANY dealer if any abnormalities are found. 5-71 SANY Operation and Maintenance Manual — 0120...

  • Page 218: Check And Add Final Drive Oil

    Maintenance SY35U Excavator OMM Check and Add Final Drive Oil CAUTION! • Allow the final drive to cool before servicing. Hot oil may cause burns or other serious injury. • Wear safety goggles, gloves, and other personal protective equipment (PPE) to prevent serious injury.

  • Page 219: Change The Final Drive Oil

    SY35U Excavator OMM Maintenance Change the Final Drive Oil CAUTION! • Allow the final drive to cool before servicing. Hot oil may cause burns or other serious injury. • The final drive gear case may be under pressure. Remove the plugs slowly to prevent injury.

  • Page 220: Collect Final Drive Oil Sample

    Maintenance SY35U Excavator OMM Collect Final Drive Oil Sample 1. Obtain an oil analysis sample kit from a SANY dealer. 2. Operate the machine to normal operating temperature. 3. Prepare the machine for service. See “Maintenance Safety” on page 2-8.

  • Page 221: Lubrication

    SY35U Excavator OMM Maintenance Lubrication Lubrication Points 0001635 Fig. 5-83 1) Arm cylinder rod end pin (page 5-76) 10) Boom cylinder base end pin (page 5-78) 2) Boom-arm connecting pin (page 5-76) 11) Boom cylinder rod end pin (page 5-78)

  • Page 222: Arm Cylinder Rod End Pin

    Maintenance SY35U Excavator OMM See “Lubrication and Maintenance Charts” on page 5-19. A new machine must be greased every 8 hours within the initial 50 service hours. If the lubricated location produces abnormal noise, additional lubrication is required besides regular maintenance.

  • Page 223: Arm Cylinder Base End Pin

    SY35U Excavator OMM Maintenance Arm Cylinder Base End Pin 1. Remove the grease fitting cap (1) from the arm cylin- der base end pin grease fitting (2). 2. Grease the arm cylinder base end pin grease fitting. NOTE: Wipe excess grease from around the grease fitting.

  • Page 224: Boom Cylinder Base End Pin

    Maintenance SY35U Excavator OMM Boom Cylinder Base End Pin 1. Remove the grease fitting cap (1) from the boom cylin- der base end pin grease fitting (2). 2. Grease the boom cylinder base end pin grease fitting. NOTE: Wipe excess grease from around the grease fitting.

  • Page 225: Bucket Cylinder Rod End Pin

    SY35U Excavator OMM Maintenance Bucket Cylinder Rod End Pin 1. Remove the grease fitting caps (1) from the bucket cyl- inder rod end pin grease fittings (2). 2. Grease the bucket cylinder rod end pin grease fittings. NOTE: Wipe excess grease from around the grease fittings.

  • Page 226: Boom Swing Cylinder Base End Pin

    Maintenance SY35U Excavator OMM Boom Swing Cylinder Base End Pin Grease the boom swing cylinder base end pin grease fitting (1). Wipe excess grease from around the grease fitting. Fig. 5-95 0003182 Boom Swing Pin NOTE: Only one boom swing pin grease fitting cap is shown.

  • Page 227: Swing Pinion Gear

    SY35U Excavator OMM Maintenance Swing Pinion Gear 1. Park the machine on level ground as shown (1). Turn the throttle to MIN and run the machine unloaded at low speed for five minutes. 2. Turn the machine off. Fig. 5-98 0003783 3.

  • Page 228: Bucket

    Maintenance SY35U Excavator OMM Bucket Replace the Bucket Teeth WARNING! • Unexpected machine movement can be dangerous when replacing the bucket teeth. Place the bucket on a stable work surface. Shut down the engine and relieve the hydraulic system pressure.

  • Page 229: Replace The Bucket

    SY35U Excavator OMM Maintenance Replace the Bucket CAUTION! • Keep fingers and other body parts away from pinch points to prevent crushing injuries while removing or installing the bucket. Never put your finger into the pin bore during alignment. • Secure buckets after removal and before servicing.

  • Page 230: Check Component Operating Functions

    Maintenance SY35U Excavator OMM Check Component Operating Functions Check the boom work light (1) for proper operation and damage. See “Work Light Switch – Cab Machine” on page 3-10 or See “Work Light Switch – Canopy Machine” on page 3-11.
  • Page 231 SY35U Excavator OMM Maintenance Check the windshield wiper (4) for proper operation and to make sure there is no smearing across the windshield during operation. See “Windshield Wiper Switch – Cab Machine” on page 3-9. Replace the wiper blade with a new one if smearing does occur.

  • Page 232: Check The Operation And Maintenance Manual

    Fig. 5-109 Check the Operation and Maintenance Manual Make sure the Operation and Maintenance Manual is in the cab. If this manual is damaged or missing, contact a SANY dealer for a replacement. 5-86 SANY Operation and Maintenance Manual — 0120...

  • Page 233: Check The Upper Structure And Undercarriage

    The upper structure with its various components and assemblies. Check all structural components identified below for cracks or distortion. Notify SANY dealer if any cracks or distortion are found. NOTE: The illustration below shows a cab machine. Canopy machines are similar for non-cab-related items.
  • Page 234 Maintenance SY35U Excavator OMM This Page Intentionally Left Blank 5-88 SANY Operation and Maintenance Manual — 0120...

  • Page 235: Specifications

    SY35U Excavator OMM Specifications Specifications Machine Dimensions ............. 6-2 Working Ranges .

  • Page 236: Machine Dimensions

    Specifications SY35U Excavator OMM MACHINE DIMENSIONS 0003761 Fig. 6-1 Item Description Specification Transport length 16 ft. 2 in. (4915 mm) Tail swing radius 2 ft. 10 in. (860 mm) Upper structure width 5 ft. 1 in. (1550 mm) Cab width 3 ft.

  • Page 237: Working Ranges

    SY35U Excavator OMM Specifications WORKING RANGES Fig. 6-2 0003762 Item Description Dimensions Minimum swing radius 8 ft. 1 in. (2475 mm) Maximum digging height 15 ft. 11 in. (4855 mm) Maximum dumping height 11 ft. 4 in. (3460 mm) Maximum digging depth 10 ft.

  • Page 238: Technical Specifications

    Specifications SY35U Excavator OMM TECHNICAL SPECIFICATIONS Description Specifications Operating weight (with operator, standard bucket, and With canopy: 8367 lb. (3795 kg) full fuel tank) With cab: 8499 lb. (3855 kg) With canopy: 8117 lb. (3682 kg) Transport weight (bucket, 15% fuel in tank, no operator) With cab: 8333 lb.

  • Page 239: Lift Chart: Blade Down

    NOTE: Lift capacities shown are without power boost feature and do not exceed 75% of minimum tipping loads or 87% of hydraulic capacities. These capacities only apply to the machine as originally manufactured and normally equipped by SANY. Lift capacities do not include a bucket and are in compliance with ISO 10567:2007 NOTE: Least stable position is over the side.

  • Page 240: Lift Chart: Blade Up

    NOTE: Lift capacities shown are without power boost feature and do not exceed 75% of minimum tipping loads or 87% of hydraulic capacities. These capacities only apply to the machine as originally manufactured and normally equipped by SANY. Lift capacities do not include a bucket and are in compliance with ISO 10567:2007 NOTE: Least stable position is over the side.

  • Page 241: Optional Equipment

    SY35U Excavator OMM Optional Equipment Optional Equipment Optional Equipment Selection ............7-2 Read Equipment Instruction .

  • Page 242: Optional Equipment Selection

    SY35U Excavator OMM OPTIONAL EQUIPMENT SELECTION Consult a SANY dealer before installing any optional equipment to the machine. Depending on the type of optional equipment selected, protective structures (such as front guards or top guards) may need to be installed on the machine.

  • Page 243: Equipment Operation Precautions

    SY35U Excavator OMM Optional Equipment Equipment Operation Precautions NOTICE! The following precautions must be strictly observed when selecting, installing, and operating optional equipment. Failure to follow this notice can damage the machine or cause it to operate improperly. • Prior to the operation, move the machine to a safe area and test its operation.

  • Page 244: Install Optional Equipment

    Optional Equipment SY35U Excavator OMM INSTALL OPTIONAL EQUIPMENT WARNING! • Do not release the optional equipment unless it is on the ground or on a solid, supportive surface. Block or support the equipment to prevent rolling or tipping. • Hydraulic systems operate under high pressure. Hydraulic oil escaping under pressure is dangerous.
  • Page 245 SY35U Excavator OMM Optional Equipment 9. Adjust the return flow selector valve (3) according to the optional equipment being installed. The return flow selector valve is located on top of the hydraulic tank. It regulates the direction of hydraulic oil flow. There are one-way (4) or two-way (5) positions for operating optional equipment.

  • Page 246: Remove Optional Equipment

    Optional Equipment SY35U Excavator OMM REMOVE OPTIONAL EQUIPMENT WARNING! Do not release the equipment unless it is on the ground or on a solid, supportive surface. Block or support the equipment to prevent rolling or tipping. Failure to follow these warnings could result in death or serious injury.
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  • Page 248 318 Cooper Circle Peachtree City, Georgia 30269 Find a Dealer: sanyamerica.com/find-a-dealer Sales E-mail: sales@sanyamerica.com Service E-mail: service@sanyamerica.com Service Hotline: 470 552 SANY (7269) s anyameri ca. co m service@sanyamerica.com SANY Part Number SSY005082353...

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