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SANY SCC1000C Manual

Crawler crane
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1.3.1 Crushing/Impact Hazard ������������������������������������������������������������������������������������������������������ 3
1.3.2 Entangling and Dragging Hazard �����������������������������������������������������������������������������������������4
1.3.3 Slipping, Tumbling, and Falling Hazard ��������������������������������������������������������������������������������4
1.3.4 Thermal Hazard ������������������������������������������������������������������������������������������������������������������� 5
1.3.5 Gas, Dust, and Smoke ��������������������������������������������������������������������������������������������������������� 5
1.3.6 Risk from Pressure Remaining in the Hydraulic System ������������������������������������������������������ 5
1.4.1 Preventive Measures against the Risk of Fire ����������������������������������������������������������������������6
1.4.2 Other Checks and Replacement ������������������������������������������������������������������������������������������6
3�3 Lubrication
3.3.1 Check Status of the Crane ������������������������������������������������������������������������������������������������� 20
3.3.2 Preventive Maintenance ���������������������������������������������������������������������������������������������������� 20
3.3.3 Tightening Connecting Bolts, Nuts and Hydraulic Pipes ��������������������������������������������������� 21
4.2.1 Draining Fuel-Water Separator ������������������������������������������������������������������������������������������34

Table of Contents

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Table of Contents
SCC1000C Crawler Crane
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  • Page 1: Table Of Contents

    Table of Contents SCC1000C Crawler Crane Table of Contents 1 Maintenance Safety Instructions ����������������������������������������������������������������������������������1 1�1 Overview ������������������������������������������������������������������������������������������������������������������������������������2 1�2 Maintenance Personnel �������������������������������������������������������������������������������������������������������3 1�3 Risks during Maintenance ��������������������������������������������������������������������������������������������������3 1.3.1 Crushing/Impact Hazard ������������������������������������������������������������������������������������������������������ 3 1.3.2 Entangling and Dragging Hazard �����������������������������������������������������������������������������������������4 1.3.3 Slipping, Tumbling, and Falling Hazard ��������������������������������������������������������������������������������4 1.3.4 Thermal Hazard �������������������������������������������������������������������������������������������������������������������...
  • Page 2 Table of Contents SCC1000C Crawler Crane 4.2.2 Replacing the Fuel Filter ���������������������������������������������������������������������������������������������������� 35 4.2.3 Checking Fuel Tank ������������������������������������������������������������������������������������������������������������ 36 4.2.4 Checking the Fuel System Pipelines ����������������������������������������������������������������������������������36 4.2.5 Refilling the Fuel ���������������������������������������������������������������������������������������������������������������� 36 4�3 Cooling System �������������������������������������������������������������������������������������������������������������������37 4.3.1 Cooling System Diagram ��������������������������������������������������������������������������������������������������� 37 4.3.2 Checking the Coolant ���������������������������������������������������������������������������������������������������������...
  • Page 3 Table of Contents SCC1000C Crawler Crane 4.4.2 Checking the Filter Element ����������������������������������������������������������������������������������������������� 60 4.4.3 Cleaning and/or Replacing the Filter Element of Air Filter ������������������������������������������������� 61 4.4.4 Air Filter Cleaning ��������������������������������������������������������������������������������������������������������������� 62 4.4.5 Checking Air Intake Piping and Pipe Clamp �����������������������������������������������������������������������63 4�5 Visual Check of the Exhaust System...
  • Page 4 Table of Contents SCC1000C Crawler Crane 7.1.3 Main Hoisting Winch - Lubricating Winch Drum Bearing �������������������������������������������������� 93 7.1.4 Main Hoisting Winch - Checking the Brake ������������������������������������������������������������������������94 7.1.5 Main Hoisting Winch - Check the Clutch ����������������������������������������������������������������������������95 7.1.6 Main Hoisting Winch - Checking the Connecting Bolt �������������������������������������������������������� 96 7�2 Auxiliary Hoisting Winch...
  • Page 5 Table of Contents SCC1000C Crawler Crane 8.5 Boom Luffing Winch - Checking the Connecting Bolt �������������������������������������� 124 □ 8 　 Boom Luffing Winch (Rexroth) ����������������������������������������������������������������������������126 8.1 Boom Luffing Winch Reducer - Checking the Oil Level ������������������������������������ 126 8.2 Boom Luffing Winch - Changing Oil ��������������������������������������������������������������������������127...
  • Page 6 Table of Contents SCC1000C Crawler Crane 10�11 Precautions in Quick Coupling Maintenance ����������������������������������������������������153 11 　 Electrical System ���������������������������������������������������������������������������������������������������������������156 11�1 Checking the Lighting System �����������������������������������������������������������������������������������156 11�2 Checking the Limit Switches ��������������������������������������������������������������������������������������156 11�3 Battery Maintenance �������������������������������������������������������������������������������������������������������156 11�4 Preventive Measures against Cable Fire ��������������������������������������������������������������156...
  • Page 7 Table of Contents SCC1000C Crawler Crane 14.4.2 Checking the Pulleys ������������������������������������������������������������������������������������������������������ 190 14�5 Riggings ������������������������������������������������������������������������������������������������������������������������������192 14.5.1 Chain Slings for Lifting Application ���������������������������������������������������������������������������������192 14.5.2 Use and Maintenance of Chain Slings ���������������������������������������������������������������������������195 14.5.3 Operation Requirements and Inspection Criteria of Riggings ���������������������������������������� 197 14�6 Measures to Protect Exposed Shaft Surfaces...
  • Page 8 Table of Contents SCC1000C Crawler Crane - VIII -...

  • Page 9: Maintenance Safety Instructions

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 1 Maintenance Safety Instructions WARNING Beware of serious or fatal injury when carrying out maintenance to the crane: -- Lower all loads down to the ground� -- Shut off all controlling systems�...

  • Page 10: 1�1 Overview

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 1�1 Overview 1. This chapter of “Maintenance Safety Instructions” 13. Whenever hydraulic, fuel, lubricating oil lines, provides a general overview of potential hazards or air lines are disconnected, clean the adjacent when performing lubrication and maintenance to area as well as the point of disconnect.

  • Page 11: 1�2 Maintenance Personnel

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 1�2 Maintenance Personnel - - O n l y s p e c i a l i s t p e r s o n n e l c a n p e r f o r m maintenance work.

  • Page 12: Entangling And Dragging Hazard

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual -- A-frame falling hazard. The A-frame may fall and cause crushing hazards. -- The affected points are: - A-frame - Masts TY 0194 1.3.2 Entangling and Dragging Hazard -- Protect your hands, legs, and entire body from 危...

  • Page 13: Thermal Hazard

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 1�3�4 Thermal Hazard 危 险 -- The affected points are: D A N G E R - Exhaust system of engine - Hydraulic system at working termperature TY 0198 1.3.5 Gas, Dust, and Smoke -- Make sure there is sufficient ventilation during refueling.

  • Page 14: 1�4 Fire Prevention

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 1�4 Fire Prevention 1�4�1 Preventive Measures against the Risk of Fire -- Keep the crane clean, especially from inflammable materials. During maintenance of the hydraulic system, the engine, and the fuel system, clean the crane thoroughly. Remove all residual lubricating oil, fuel or detergent.

  • Page 15: 1�5 Precautions Before Lubrication And Maintenance Work

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 1�5 Precautions before Lubrication and Maintenance Work 注 意 CAUTION 1. Inform the operator that the crane will be taken 停机操作： 需将机器速度回到怠速状态运行10min左右 out of service and appoint a person to oversee 后再停机。...

  • Page 16: 1�6 Precautions During Lubrication And Maintenance Work

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 1�6 Precautions during Lubrication and Maintenance Work The performance of Lubrication and Maintenance or working medium according to the electrical technical specifications. Work requires appropriate space and auxiliary devices. 12. Only original fuse with correct current intensity Follow the specifications in the Safety Instructions can be used.

  • Page 17: 1�7 Repair Work Safety Instructions

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 1�7 Repair Work Safety Instructions The lubrication and maintenance instructions exclude information about how to carry out repair work. If needed, contact the customer service department of our company. However, some general safety instructions about...
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  • Page 20: Fuel , Lubricating Oil, Lubricating Grease, Coolant And The Capacities

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 2 Fuel , Lubricating Oil, Lubricating Grease, Coolant and the Capacities 2�1 Overview Table 5-2 Capacities of Fuel , Lubricating Oil, Lubricating Grease and Coolant Filling Point Capacity(L) (gal) Lubricating Oil/Coolant Refer to specifications about lubricating oil and lubricant in Cummins Engine operation and maintenance instructions.
  • Page 21 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual Lubrication Interval Filling Point Total Lubricating Grease (hour) Main, aux. drum bearing base. Boom luffing drum bearing base. A-frame Slewing ring Slewing ring gear pinion #2 MoS_2 Li-based grease Extension boom...
  • Page 22 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual Pulley at boom head Extension jib Guide pulley Outer bridle Hook block Lower bridle Central slewing connector A-frame Aux. hoisting drum bearing base Boom root pin Luffing drum bearing shaft end...

  • Page 23: 2�2 Table Of Recommended Common Grease

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 2�2 Table of Recommended Common Grease Table 5-3 Recommended Engine Oil Suitable Temperature °C(°F) (-40) (-22) (32) (50) (68) (86) (104) (122) (-4) Designation SAE15W - 40 SAE10W - 30...
  • Page 24 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual Table 5-4 Recommended Engine Fuel Light diesel oil (GB252-2000) Suitable Temperature °C(°F) (-40) (-22) (14) (32) (50) (68) (86) (104) (122) (-4) Designation #-10 #-20 #-35 CAUTION -- In most operating situations, using ASTH #2 fuel and diesel with the minimum cetane number of 40 can achieve the optimal economic efficiency and performance.
  • Page 25 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual Table 5-6 Recommended Gear Oil Suitable Temperature °C(°F) (-40) (-22) (14) (32) (50) (68) (86) (104) (122) (-4) Designation 220LS2 Table 5-7 Recommended Hydraulic Oil Suitable Temperature °C(°F) (-40) (-22)
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  • Page 28: Lubrication And Maintenance Form Of Various Components

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 3 Lubrication and Maintenance Form of Various Components 3�1 Precautions for Inspection and -- Check the installation of the transmission devices (i.e. reducers, the engine, valves). Maintenance -- Check whether the rope is lubricated, whether...

  • Page 29: Tightening Connecting Bolts, Nuts And Hydraulic Pipes

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual CAUTION Write inspection report as basis for future repair. Proper implementation of the inspections, regular repetition and result records are essential factors 1� Check and tighten the bolts and pipes for the success of these measures.

  • Page 30: 3�4 Lubrication And Maintenance Schedule

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 3�4 Lubrication and Maintenance Schedule CAUTION CAUTION The inspection schedule can be carried -- The time interval specified in this out according to the working hour or the s c h e d u l e a p p l i e s t o t h e “ g e n e r a l planned date, whichever comes earlier�...
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  • Page 40: Engine System (Tier Ⅱ)

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual □ 4 Engine System (Tier Ⅲ ) 4�1 Engine CAUTION Refer to the maintenance instructions and Use the light diesel in compliance with precautions of engine in the operating instructions GB252-2000 and carry out periodic provided by the engine manufacture.
  • Page 41 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual air-conditioner compressor cold water pipe Engine air intake pipe Engine air intake pipe Sensor wire fuel filter harness T103 7014 Profile of Engine (TierⅢ) -- Check its status for any abnormality when starting up the engine, -- Check the connecting bolts in the engine area visually each time before starting up the engine or every day.

  • Page 42: 4�2 Fuel System

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 4�2 Fuel System Precautions of the fuel system: -- Use light diesel in compliance with GB252-2000, -- Drain water from fuel-water separator daily before starting the engine, -- Replace the filter element regularly, -- Check fuel tank breather and the tank regularly.

  • Page 43: Replacing The Fuel Filter

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual CAUTION CAUTION Do not overtighten the valve when closing The replacing interval of filter elements the drain valve as overtightening can depends on the pollution degree of the fuel� damage the threads�...

  • Page 44: Checking Fuel Tank

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 4�2�3 Checking Fuel Tank 1- Fastening belt 2- Sensor 3- Fuel filling pipe assembly 4- Fuel return pipe assembly 5- Fuel filling port 6- Fuel level meter 7- End cap...

  • Page 45: Refilling The Fuel

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 4.2.5 Refilling the Fuel DANGER Fill up the fuel tank after the completion of each day’s work to reduce the formation of condensation. Fill fuel No fire near the fuel.

  • Page 46: Checking The Coolant

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 4�3�2 Checking the Coolant CAUTION Visually inspect whether the coolant level reaches the height of the inspection hole, and refill coolant -- Only open the cap of the engine’s if not.

  • Page 47: Cleaning The Radiator And Replacing Coolant

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 4�3�4 Cleaning the Radiator and Replacing the DANGER Coolant -- Apply only medium air pressure so you will not -- Burning and scalding hazard� d a m a g e t h e r a d i a t o r c o r e . S p r a y t h e...

  • Page 48: Checking Drive Belt

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 4.3.5 Checking Drive Belt Engine fan belt is a wear-prone part with a service life of 1 year or 1000 hours. The engine manufacturer takes no responsibility for repairing after 1 year or 1000 hours, whichever comes first. Replace belt as described in the maintenance manual provided by the engine manufacturer.

  • Page 49: 4�4 Air Intake System

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 4�4 Air Intake System 4.4.1 Air Intake System Diagram Precautions of the air intake system: 1. Check the air intake piping daily for leaks or cracks in piping, or loose clamp.

  • Page 50: Checking The Filter Element

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 4�4�2 Checking the Filter Element It is recommended to have the spare filter elements on hand for standby. While cleaning other parts, these spare parts can be used. Regularly maintain the air filter.

  • Page 51: Cleaning And/Or Replacing The Filter Element Of Air Filter

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 4�4�3 Cleaning and/or Replacing the Filter Element of Air Filter CAUTION -- Never remove the air filter while the engine is running� -- The air filter element should be replaced according to the manufactures recommendations�...
  • Page 52 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 4�4�4 Air Filter Cleaning 1. A temporary method is by shaking off.If the filter cannot be cleaned with the compressed air, the dust on the filter core can be shaken off.

  • Page 53: Checking Air Intake Piping And Pipe Clamp

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 4�4�5 Checking Air Intake Piping and Pipe Clamp Check the air intake piping for cracks, deformation, loose clamps. Replace the damaged pipes and tighten loose clamps if the situation illustrated in the following figure occurs. Replace the clamp if necessary.

  • Page 54: 4�5 Visual Check Of The Exhaust System

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 4�5 Visual Check of the Exhaust System -- Check whether the exhaust system has any leaks. -- Pipeline or cables are not allowed to be laid in dangerous area of heat emission near the exhaust system.

  • Page 55: Checking The Oil Level

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 4�6 Checking and Replacing Engine Oil 4�6�1 Checking the Oil Level CAUTION Check the engine oil level before commencing work. Take out the dipstick and wipe it. Then When checking the oil level, the crane must replace the dipstick and pull it back out of the hole.

  • Page 56: 4�7 Precautions For Serving The Engine

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 4�7 Precautions for Serving the Engine The following service requirements are important for the normal function of the engine and must be observed accordingly: 1. Before start-up, inspect: 1) Coolant level,...
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  • Page 58: Slewing Bearing

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 5 　 Slewing Bearing 5�1 Lubricating inside of the Slewing Bearing 5�1�1 Structure of the Slewing Bearing Slewing center T103 5001 Slewing Mechanism (Rexroth ) Bolt Dust cap Washer Bolt...

  • Page 59: Lubrication Requirements

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual Slewing center T103 5002 Slewing Mechanism (Kawasaki) Bolt Slewing reducer Washer Dust cap Lubricating pipeline Bolt Slewing ring Wahser 5�1�2 Lubrication Requirements WARNING During use, pay attention to the operation of the slewing bearing.
  • Page 60 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual Oil filling port(9) Lubricating pipeline Slewing ring Slewing reducer T103 5003 Slewing Bearing Lubrication Pipeline Diagram The slewing bearing is lubricated by the pipeline: 1. In normal operating conditions, perform central lubrication to the slewing bearing when it operates for every 8 hours.

  • Page 61: 5�2 Lubrication Of The Slewing Bearing Pinion Surface

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 5�2 Lubrication of the Slewing Bearing Pinion Surface See section 2 of this chapter for lubricating grease Slew ring reducer Slew ring teeth flank teeth flank types and lubrication interval for slewing bearing pinion surface.

  • Page 62: 5�3 Checking The Slewing Bearing Bolt

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 5�3 Checking the Slewing Bearing Bolt Visual check must be performed for the bolts on the slewing bearing before every lifting operation, Upperworks connecting bolt or at least perform such examination once per day.
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  • Page 64: Slewing Reducer (Kawasaki)

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual □ 6 Slewing Reducer (Kawasaki) CAUTION Select the appropriate slewing reducer according to actual configuration of the crane� 6�1 Slewing Reducer - Checking the Oil Level -- Operation of refilling lubricating oil Refer to 6.2 Changing Oil.

  • Page 65: 6�2 Slewing Reducer - Changing Oil

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 6�2 Slewing Reducer - Changing Oil When changing oil, drain the used oil when it is hot, i.e. change the oil after the machine has been operating for a long period.
  • Page 66 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual Working port Oil make-up port Brake Brake oil port T103 5008 Brake of slewing reducer (Built-In) Check the brake of the slewing reducer according to the following procedure: 1. Start the engine.

  • Page 67: 6�4 Slewing Reducer - Checking The Connecting Bolt

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 6�4 Slewing Reducer - Checking the Connecting Bolt -- As all the securing bolts are applied with thread sealant, they normally will not be tightened and a visual inspection is sufficient.
  • Page 68 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual - 78/250 -...
  • Page 69 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual - 79/250 -...

  • Page 70: Hoisting Winch (Kawasaki)

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual □ 7 　 Hoisting Winch (Kawasaki) □7�1 Main Hoisting Winch (Without Free-Fall Function) 7�1�1 Main Hoisting Winch - Checking the Oil DANGER Level Oil level must reach the level plug.
  • Page 71 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual Oil filling plug T103 3002 Checking Oil Level of Main Hoisting Winch Checking procedures: 1. Park the machine on a flat level surface, 2. Remove the oil level plug, 3. If the oil surface can be seen, the oil is sufficient.

  • Page 72: Main Hoisting Winch - Replacing The Lubricating Oil

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 7�1�2 Main Hoisting Winch - Replacing the Lubricating Oil Abide by environmental laws when disposing of used oil. 1. Unscrew the filling plug on the reducer, 2. Prepare the container for oil, 3.

  • Page 73: Main Hoisting Winch - Checking The Brake

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 7�1�4 Main Hoisting Winch - Checking the Brake CAUTION -- The performance of the braking disc of the -- Replace the brake immediately if any hoisting winch must be regularly checked to defect is found in it�...

  • Page 74: Main Hoisting Winch - Checking The Connecting Bolts

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 7�1�5 Main Hoisting Winch - Checking the Connecting Bolts -- As all the securing bolts are applied with bolt thread sealant, they normally will not loosen up and a visual inspection would be sufficient.
  • Page 75 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual - 91/250 -...
  • Page 76 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual □ 8 　 Boom Luffing Winch (Kawasaki) 8.1 Boom Luffing Winch - Checking the Oil Level Refer to 8.2 “Changing Oil” for the operating of filling lubricating oil. Checking procedures: 1.
  • Page 77 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual Oil filling plug Oil level plug Oil drain plug T103 4002 8.2 Boom Luffing Winch - Changing Oil CAUTION Abide by environmental laws when disposing of used oil. Detach the load before changing oil.
  • Page 78 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 8.3 Boom Luffing Winch - Lubricating Winch Drum Bearing Lubricating method: Fill through the oil filling port on the side without reducer (see Fig. T103 4003). Oil filling port Bearing...
  • Page 79 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual Brake Hydraulic motor T103 4004 Position of Boom Luffing Winch Brake (Built-In) Check the brake of the luffing reducer in the last equipment component parked on the ground following conditions: until it barely leaves the ground.
  • Page 80 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 8.5 Boom Luffing Winch - Checking the Connecting Bolt -- As all the securing bolts are applied with bolt thread sealant, they normally will not loosen up and a visual inspection would be sufficient.
  • Page 81 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual - 125/250 -...
  • Page 82 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 9 　 Lowerworks 9�1 Checking the Oil Level of Traveling Reducer 1. Check the reducer for any abnormal noise. 2. Unscrew the oil level plug. 3. When the crane is parked on horizontal ground, if the lubricating oil reaches the inspection hole, the oil level is correct.
  • Page 83 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 9�2 Replacing Oil in Traveling Reducer Make sure to be environment-friendly while disposing used oil� Filling oil needs to be done with special tools� When changing oil, drain it when the oil is hot, i.e.
  • Page 84 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual Track roller Crawler pad Connecting pin T103 6002 Crawler Pads and Connecting Pins Normally insufficient lubrication of crawler connecting pin or improper tightening of the crawler pad will lead to operating noise and premature wear, and dirty crawlers will also lead to these conditions.
  • Page 85 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 9�4 Maintaining Hydraulic Cylinders of the Lowerworks -- Check the outrigger cylinders for leaks, normal function, or rust. -- For cranes operating in corrosive environment (seaside, chemical plant, or steel plant), if they...

  • Page 86: Adjustment Steps

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual T103 6004 Diagram of Crawler Relaxation Check The adjustment of crawler tension must be performed with the machine on level ground. Before the adjustment, move the crane a little ahead, so that the relaxed part of the crawler is located above the driving wheel, which facilitates the adjustment.
  • Page 87 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 9�6 Checking and Tightening Connecting Bolt As all the securing bolts are applied with bolt thread sealant, they normally require no tightening and a visual inspection is sufficient� Remove bolts that are loose, broken or defective, and replace with new ones�...
  • Page 88 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual - 138/250 -...
  • Page 89 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual - 139/250 -...

  • Page 90: Hydraulic System

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 10 　 Hydraulic System 10�1 Hydraulic Oil Tank 10�1�1 Hydraulic Oil Tank - Checking the Oil Level Before starting the engine, check the oil volume CAUTION in the hydraulic oil tank. If the oil in the tank is found decreasing too fast, it means there is a leak in the pipeline or hydraulic components.
  • Page 91 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual Liquid level liquid Oil return filter Oil return pipe Air filter temperature gauge Oil return block Oil tank body temperature sensor Cleaning port T103 9002 Hydraulic Oil Tank -- The oil level of the hydraulic oil tank can be checked through the site glass on the hydraulic oil tank.
  • Page 92 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 10�1�2 Hydraulic Oil Tank - Replacing Return Oil Filter Element Repeat this procedure for all filtering devices: 1. Lower the suspended load down to ground and shut off the engine.

  • Page 93: 10�2 Replacing Element Of Pipeline Filter Element

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 10�1�4 Hydraulic Oil Tank - Replacing Air Filter Element -- Element of air filter should be replaced frequently in adverse surrounding conditions. 1. Remove the blocked filter element. 2. Install the new filter element.

  • Page 94: 10�3 Checking And Replacing Hydraulic Oil

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 10�3 Checking and Replacing Hydraulic Oil 10�3�1 Checking Hydraulic Oil Table 5-10 Check Hydraulic Oil for Foreign Objects and Deterioration Checking Foreign object Experimental container Judging method contents Dust and metallic...

  • Page 95: Replacing Hydraulic Oil

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 10�3�2 Replacing Hydraulic Oil 10�3�3 Hydraulic Oil Replacement Interval -- If any abnormality is found in the hydraulic oil, -- In a new machine the oil should be replaced after...

  • Page 96: 10�4 Checking The Hydraulic System For Leakage

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 10�4 Checking the Hydraulic System for Leakage Ensure that all pipelines and hoses have proper clearance from engine parts with high temperature (like exhaust system) and that they shall not rub each other.

  • Page 97: 10�6 Replacing The Pressure Hose

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 10�6 Replacing the Pressure Hose Even if it is identified as not damaged, the hose should also be replaced after 6 years of use, which includes the 1SN Hydraulic rubber pipe woven with one layer of steel thread longest storage period of 2 years.

  • Page 98: 10�7 Hydraulic System - Checking The Initial Pressure In The Accumulator

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 10�7 Hydraulic System - Checking the Initial Pressure in the Accumulator DANGER This check can be performed only by professionals who are trained in oil filling and device testing� Otherwise, it may lead to personal injury or death�...
  • Page 99 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual escapes at the connector nut, pressure of the system is successfully reduced. 3. Remove protective cap (1) on air valve of accumulator (2) and install the filling and testing device (3).

  • Page 100: 10�8 Precautions On Maintaining The Hydraulic System

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 10�8 Precautions on Maintaining the Hydraulic System 1. Service life and performance reliability of the transportation. hydraulic machine and its hydraulic components 2. After the hydraulic system being repaired and...

  • Page 101: 10�9 One-Way Valve & Oil Can

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 10�9 One-Way Valve & Oil Can At all of oil drain port in traveling hydraulic motor which uses quick coupling, one-way valve and oil One-way valve Oil can can has been installed in order to prevent motor from damage owing to blockage of motor oil drain pipe.

  • Page 102: 10�10 Tightening The Connecting Bolt

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 10�10 Tightening the Connecting Bolt As flexible rubber pipe is installed in the pipeline between oil suction ports of tank and pump, the connecting bolts (or screws) at both ends of the rubber pipe may become loose, which effects the sealing of two flange facings and cause leaks.

  • Page 103: 10�11 Precautions In Quick Coupling Maintenance

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 10�11 Precautions in Quick Coupling Maintenance Quick coupling is a precise hydraulic component with complicated internal structure. Its service life largely influenced by maintenance and serving. Extra care must be taken to deal with the following issues when using quick coupling: 1.
  • Page 104 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual - 154/250 -...
  • Page 105 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual - 155/250 -...

  • Page 106: Electrical System

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 11 　 Electrical System 11�1 Checking the Lighting System removed from the crane and stored in a dry and ventilating area. The removed battery should also be charged every 3-6 months (according to Check whether the system can run normally and when the indicator turns black).

  • Page 107: Measures To Prevent Fire In Electric Parts Or Cable

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 11�4�2 Measures to Prevent Fire in Electric Parts absolutely important to use the original part. or Cable Impact on electric system caused by use of non- original parts are neglected due to difficulty in checking to the cause of the fault.

  • Page 108: 11�5 Check Crane After A Thunderstorm

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 11�5 Check Crane after a Thunderstorm After a thunderstorm while prior to operation, check electric devices for normal operation, in particular following parts: (1) Force sensor (2) Angle sensor (3) Safety limit switches...

  • Page 109: 11�6 Fuse

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 11�6 Fuse Table 5-12 Position of Fuses Code Value/ ampere Position of the part Description Power supply for Controller (U2) and (U3) 06F1 Electric cabinet Power supply for current sensor(servo pressure/...
  • Page 110 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual - 160/250 -...
  • Page 111 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual - 161/250 -...

  • Page 112: Air Conditioning Device

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 12 　 Air Conditioning Device 12.1 Checking Air Conditioning Device 12.1.1 Composition of Air Conditioning Device Cool air outlet Warm air intake Gas at high temperature and high pressure Motor...
  • Page 113 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual Note:The filtering mesh should be cleaned or replaced regularly. 6� Compressor Compressor can obtain power through the engine’s belt drive to absorb evaporated coolant at low temperature and low pressure from evaporator to transform it into coolant in a gas state at a high temperature and high pressure compressed to send into condenser.

  • Page 114: Checking Contents

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual Table 5-13 Contents for Regular Check Inverval Items Checking contents Daily Half a year 1 year √ √ Ill fastening, with distance Pipeline assembly Connection is loose, nut and bolt √...

  • Page 115: Maintenance Of Air Conditioning Device

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 12�2 Maintenance of Air Conditioning Device When filter element is blocked, air volume may reduce and the power of air conditioner may decrease. The filter element should be checked every 3 months to clean or replace.
  • Page 116 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual - 166/250 -...
  • Page 117 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual - 167/250 -...

  • Page 118: Operator's Cab

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 13 　 Operator's Cab Washer nozzle Wiper Sliding door T103 2001 Operator’s Cab CAUTION Before winter comes, certain amount (depending on the actual temperature) of anti-freezing liquid should be added into the water�...

  • Page 119: Checking The Sliding Door

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 13.2 Checking the Sliding Door If the working site is near the seaside or humid area, it is required to open the sliding door once a week to prevent any difficulty in opening due to humidity.
  • Page 120 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual - 170/250 -...
  • Page 121 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual - 171/250 -...

  • Page 122: Others

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 14 　 Others 14�1 Lubricating Pins on Boom Lubricating boom root pins (by central lubricating CAUTION system). Lubricating connecting pins on boom system. Before installing the crane equipment, lubricate all connecting pins that are installed in corresponding pin holes�...

  • Page 123: 14�2 Lubricating The Hook Blocks

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 14�2 Lubricating the Hook Blocks “A” - “9T(9.9UST)” hook block DANGER It should be disassembled to add lubricating grease. “B” - “25T(27.5UST)” hook block Danger of dragging or entanglement. “C” - “50T(55UST)” hook block W h e n i m p l e m e n t i n g m a i n t e n a n c e , “D”...

  • Page 124: 14�3 Wire Ropes

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 14�3 Wire Ropes WARNING DANGER -- Danger of dragging or entanglement. -- When implementing maintenance, inspection and installation services, -- Danger of protruding metal wires in the special attention should be paid to rope�...

  • Page 125: Cleaning The Wire Ropes

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual To prolong the wire rope’s life span and prevent it from getting rusty, it should be greased frequently, as shown by Fig. TY0150 By brush CAUTION -- The wire rope should be lubricated from the very beginning, instead of lubricating on spot after damage is found�...
  • Page 126 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual expert. to the wire rope and/or its termination, or if a A f t e r a m a s s i v e l o a d b e a r i n g a n i n v i s i b l e...

  • Page 127: Replacing The Wire Ropes

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual The part of the wire rope where it is played out If rope length allows, cut off the part with broken from the termination shall be inspected as it is wires and re-install the wire rope reasonably.
  • Page 128 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual Deformation of the wire rope is a visible change in the wire rope structure and can cause slack and distortion on exterior of the wire rope. The external deformation includes:...
  • Page 129 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual CAUTION If deformation X has reached 1/3 d or larger TY0151 (d is the nominal diameter of the wire rope), the wire rope must be replaced� Spiral deformation -- When outer bearing of the wire becomes slack...
  • Page 130 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual -- If single wire or rope strand of the wire rope becomes slack, the load will be transferred to outer wires or strands. This means that the slack wires or strands do not bear the tension assigned, so as to cause other wires or rope strands to be overloaded.
  • Page 131 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual -- Contraction refers to diameter reduction of the wire rope in short expansion direction. Check carefully whether the parts of wire ropes in front of fixed rope tail contract. Contraction of these TY0156 parts is usually hard to find.
  • Page 132 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual -- Breaking refers to deformation of wire rope produced when directly dragging wire rope in shape of small loop and the wire rope fails to set off this deformation by rotating around its axle.

  • Page 133: General Instructions On Operation And Installation

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 14�3�5 General Instructions on Operation and Installation 14�3�5�1 Transport For wire ropes, there may be problem even in stage of transport: the fork of forklift truck that moves below the reel or into the rope coil may damage surface of the wire ropes.
  • Page 134 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 14�3�5�3 Installation When installing wire rope, make sure that wire ropes are reeled onto the system from in the right direction from reel or coil of wire rope and that the wire ropes are not twisted or damaged externally.
  • Page 135 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 14�3�5�4 Installation Procedures Best installation method varies with the system. In each case, a method by which it is least possible to cause twist or damage to the wire rope due to...
  • Page 136 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 14.3.5.6 Dragging the Wire Rope by Reeving Rope -- If using the wire rope to be dismantled or the reeving rope to drag the new wire rope, make sure these ropes are tightly fastened. In addition, make sure the auxiliary rope cannot be twisted.
  • Page 137 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 14�3�5�7 Winding Loaded Wire Ropes When the wire rope is needed to be wound onto the winch, make sure it is wound tightly and correctly. This is very important for multi-layer winding, especially when using the fold-line groove winding system.
  • Page 138 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 14�3�5�8 Running In After the wire rope has been installed and before the hoisting operation is resumed, it is required to carry out a number of operational cycles of the mechanism at reduced load, to allow the component part of the wire rope to adjust to the actual operating conditions.
  • Page 139 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual First mark the cutting points with chalk or insulating tape. Place one end of the steel wire at a length four times of the wire rope diameter along the length of the wire rope and then tie the steel wire together with the wire rope at the cutting point (a).

  • Page 140: 14�4 Pulleys

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 14�4 Pulleys 14�4�1 Checking Bearings on the Pulleys The pulley should be checked once a year, Sheave including: Bearing -- Whether the lubricating grease appears -- Part sealed up at axle end...
  • Page 141 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual CAUTION -- The pulley with damages such as cracks dents or bends must be replaced immediately� -- The pulley that arrives at maximum wear degree must be replaced� 14�4�3 Lubricating Pulley Bearings Use lubricating nipple (1) to lubricate each pulley.

  • Page 142: 14�5 Riggings

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 14�5 Riggings 14�5�1 Chain Slings for Lifting Application Chain sling is a combination of chain equipment composing of one or more chains with upper and lower end fittings. As per the requirements of international standards, they are used to attach a load to the hook of a crane or other lifting machines.
  • Page 143 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual TY 0210 Two Leg Chain Sling TY 0211 Three Leg Chain Sling - 193/250 -...
  • Page 144 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual TY 0212 Four Leg Chain Sling TY 0213 Endless Chain Sling - 194/250 -...

  • Page 145: Use And Maintenance Of Chain Slings

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 14�5�2 Use and Maintenance of Chain Slings (1) For single leg chain slings, the contact point is 14�5�2�1 Correct Use of Chain Slings right above the center of gravity of the load.
  • Page 146 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual slings.Check chain slings for security and that Dirt, oil contaminates, and corrosive agents must the load holds balanced in one plane after the be removed from chain slings prior to inspection.

  • Page 147: Operation Requirements And Inspection Criteria Of Riggings

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual can be rectified by careful grinding and the cross section after grinding shall not be less than specified value. If it is a mechanically connected element that has been repaired and such an...
  • Page 148 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 5. There shall not be kink, twist or knot between links. each chain link shall hinge freely with adjacent links (see Fig. TY0216). TY 0216 6. It is prohibited to use the chain sling in shocking...
  • Page 149 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 8. Attach the load to the bottom of the hook bowl and never to the hook tip (see Fig. TY0218). As a rule, position hooks to face outward from the load when lift a load (see Fig. TY0219).
  • Page 150 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 9. Do not attach the bearing chain link directly to the tip of crane hook or wind the chain around the crane hook (see Fig. TY0220). TY 0220 10. Lift, lower and stop a load steadily. Make sure that the load is balanced to its center of gravity and avoid shock loading.
  • Page 151 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 12. Never attempt to pull chain slings from under loads forcefully or let the load roll on the sling. 13. Chain slings shall be handled gently and carefully. It is prohibited to fling, drop, or drag chain slings on the floor to avoid any deformation, superficial or internal damage.

  • Page 152: 14�6 Measures To Protect Exposed Shaft Surfaces

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 14�6 Measures to Protect Exposed Shaft Surfaces Although the quality is superior, the surfaces of shaft can also be easily corroded in a corrosive situation. If shut-down time of the crane exceeds one day, it is required to coat protective acid-free lubricating grease to avoid corrosion on exposed surfaces.
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  • Page 154: Checking The Crane

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 15 　 Checking the Crane 15�1 Visual Check Carry out visual check on the following parts before operation every day. T103 1008 Diagram of Checking Parts of Main Machine A = Slewing ring - check whether the gear teeth are sufficiently lubricated.
  • Page 155 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual The crane operator is responsible for regular check CAUTION of the crane in line with applicable national and international regulations. Checking results must be recorded in The following information is based upon contents...

  • Page 156: 15�2 Regular Check

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 15�2 Regular Check 15�2�1 Checking Large Scale Steel Structure 15�2�1�1 Upperworks and Lowerworks Checking contents: Crack, Deformation, Abrasion, Safety and tightness of loosened parts, Corrosion and anti-corrosion. Lowerworks Structural Track travel...
  • Page 157 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 15�2�1�3 Counterweight Checking contents: Whether all parts are complete and correctly connected. Counter- weight Counter- Counter- weight block weight tray Diagram of checking parts of counterweight 15.2.1.4 Drive System Safety and tightness of loose parts, Status, function and noise, Whether start and stop steadily, Idling operation, Coupling and the brake’s abrasion,...
  • Page 158 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 15.2.1.6 Hydraulic Device Checking contents: Connection between equipment, Working status, Function, Noise, Leakage, Status and volume of hydraulic oil, Inflation pressure. Hydraulic device Hydraulic Hydraulic Hydraulic Cylinder Valve Oil tank...

  • Page 159: Checking Winches

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 15.2.1.9 Checking Controlling Devices of Each Drive Device Checking contents: Status, Function, Shut down, Function of fixing gear, Signs, Check the brake with load (test load within hoisting capacity). Control...

  • Page 160: Checking The Hook Blocks

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 15�2�3 Checking the Hook Blocks -- As working condition of the hook blocks varies each day, it requires to carry out check on hook blocks at every working shift. Pay close attention to any defect that may affect the safety during operation and eliminate any defect found before using the hook blocks.

  • Page 161: 15�3 Checking The Other Parts

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 15�3 Checking the Other Parts 15�3�1 Ladder Part Checking contents Ladder Firmness and status 15�3�2 Guardrail Part Checking contents Firmness and status, Bottom plate, Cover Completeness, plate, Handrail Effectiveness 15.3.3 Safety Device...

  • Page 162: 15�4 Check And Maintenance Under Special Working Conditions

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 15�4 Check and Maintenance under Special Working Conditions 15�4�1 Working in Mud, Water, Rain, and Snow 15�4�7 Other Working Conditions 1. Abrasion of pulleys on boom luffing mast, pulley 1. Before operation: Check whether the plugs and pins are tight.

  • Page 163: 15�5 Storage Of The Crane

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 15�5 Storage of the Crane It is required to carry out the following measures to keep the performance of the crane after storage: 1� Store for less than 30 days -- Clean the crane, keep it dry and conduct overall lubrication.
  • Page 164 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual - 214/250 -...
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  • Page 166: Troubleshooting Guide

    Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual 16 　 Troubleshooting Guide Table 5-15 Troubleshooting Guide - Engine No� Problem Cause Solution 1. The fuse 23F13 is open circuit. 1. Replace the same capability fuse. 2. The starter motor has fault.
  • Page 167 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution 1. Fuel level is low or no fuel in fuel 1. Refuel. tank. 2. Fuel grade differs from applicable 2. Use fuel fulfilling the requirements. type or fuel is inferior.
  • Page 168 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution 1. Check whether the conducting wire is loose and verify that fuel cut-off valve 1. Fault with fuel cut-off valve. functions. check and confirm cut-off control lever is at RUN position.
  • Page 169 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution 1. Engine runs for a long time with 1. Avoid running the engine for a long time small load or no load. with small load or no load.
  • Page 170 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution 6. Check fuel flow through the filter to find 6. Fuel supply is not sufficient. out where the fuel is blocked. Engine is 7. Use PTO feature if attaching load when unstable at 7.
  • Page 171 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution 9. Engine suspension is worn out, 9. Check engine suspension. damaged or incorrect. 18 Fuel knock 10. Connector of conductor wire harness 10. Use electric cleaner to dry the connector.
  • Page 172 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution 1. Fan drive belt is loose, tight or not 1. Check fan drive belt. aligned. 2. Refer to technical specification of engine 2. Engine oil is too thin or is diluted.
  • Page 173 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution 1. Check whether there is engine oil leaked out of engine. Screw tight the bolt, pipe plug 1. Engine oil leakage (outside). and pipe connector. Replace the gasket when necessary.
  • Page 174 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution 1. Engine’s performance curve during 1. Refer to data table of engine’s technical running exceeds technical specification. specification. 2. Engine oil does not meet technical specification under the working 2.
  • Page 175 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution Two frame or full frame is showed in Engine oil pressure sensor is damaged. Exchange the sensor. the engine oil pressure Engine water The sensor has malfunction which...
  • Page 176 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual Table 5-16 Troubleshooting Guide - Electrical System No� Problem Cause Solution 1. Battery switch at junction 1. Turn on the battery switch. box TB9 is off. 2. Battery low power or 2.
  • Page 177 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution 7. The wire 0502# connecting relay 5KA1 and Module A has 7. Check the circuit. fault (for Stage Ⅱ engines). 8. Contactor 5KM2 or 5KM3 is 8.
  • Page 178 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution 1. Reduce the load or set the working mode 1. Overload. switch at the Assembling position and operate steadily. 2. Servo pressure unloading valve 2. Release the operation locking.
  • Page 179 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution 5. Surge protectors 31F9 and 5. Replace the surge protectors. 31F10 are damaged. 6. The wires 1302# and 1304# connecting controllers and lowering 6. Check the circuit.
  • Page 180 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution 1. Servo pressure unloading valve 1. Release the function locking. YV11 is not open. 2. The boom/jib luffing upper limit is 2. Do not raise the boom/jib or lift the hook reached.
  • Page 181 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution 1. The crane is overloaded. 1. Reduce the load. 2. Servo pressure unloading valve 2. Release the function locking. YV11 is not open. 3. Boom and jib pawl and ratchet control valves YV14 and YV15 are 3.
  • Page 182 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution 1. The working mode switch is at 1. Set the working mode switch at the the Assembling position. Operating position. 2. The load moment limiter is not 2.
  • Page 183 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution 4. Relay 7KA1 in the electrical 4. Check the connection or replace the cabinet is loose or damaged. relay. Anemometer has 5. Surge protectors 31F6, 31F7, 5.
  • Page 184 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual Table 5-17 Troubleshooting Guide - Load Moment Limiter No� Problem Cause Solution 1. The wire connecting the display and 1. Check the circuit. host computer has fault. Moment limiter 2. Fuse 23F5(5A) is damaged.
  • Page 185 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution Obvious difference 1. The calibration is incorrect. 1. Re-calibrate the empty hook. between displayed value and actual value 2. The force sensor is damaged. 2. Replace the force sensor.
  • Page 186 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual Table 5-18 Troubleshooting Guide - Air Conditioner No� Problem Cause Solution 1. Electrical wiring or connectors are 1. Check the circuit. disconnected. 2. Wind volume switch, relay or The fan doesn’t 2.
  • Page 187 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution The evaporator is frozen. Temperature controller failure. Replace the temperature controller. Clean or replace the expansion The intake of expansion The expansion valve is blocked. valve is cold and frosts.
  • Page 188 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual Table 5-19 Troubleshooting Guide - Combined Instruments No� Problem Cause Solution 1. Fuse 23F6(3A) open circuit. 1. Replace the fuse. 2. The wire 2307# is loose or open Black screen 2.
  • Page 189 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual Table 5-20 Troubleshooting Guide - Auxiliary System No� Problem Cause Solution 1. The wires 2605#, 2606#, and 2607# 1. Check the circuit. Winch lighting and connecting the rocker switches and lightings.
  • Page 190 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution 1. The wire 2501# connecting the buzzer and The buzzer fails 1. Check the circuit. Module A has fault. to sound an alarm 2. The buzzer is damaged.
  • Page 191 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution 1. The Swing micro-motion switch 25SA4 is off. 1. Set the switch at on. 2. The wire 1604# connecting slow valve of 2. Check the circuit.
  • Page 192 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution 1. The wires 0702#, 0703#, and 0704# connecting the tri-color light and Module B have 1. Check the circuit. fault. 2. The calibration of load moment limiter is 2.
  • Page 193 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution 1. The Working mode switch is not at the 1 . S e t t h e s w i t c h a t t h e Assembling position.
  • Page 194 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution 3. The valve head of high speed traveling solenoid valve YV 17 is 3. Replace the valve head. High speed traveling damaged. fails to work. 4. Speed adjusting switch 25RP1 is 4.
  • Page 195 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual Table 5-21 Troubleshooting Guide - Hydraulic System No� Problem Cause Solution 1. The pedal valves have fault. 1. Replace the pedal valve. 2. Adjust the max. flow of main 2. The max. flows of main valves are not consistent.
  • Page 196 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution Oil leakage at main control valve The hose is damaged. Exchange the hose connecting hose. Oil leakage at central slewing connector, main The O-ring is aging.
  • Page 197 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution The proportional solenoid relay of oil pump The proportional solenoid relay of oil pump is Replace the proportional doesn’t work. The damaged. solenoid relay of pump.
  • Page 198 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual Table 5-22 Troubleshooting Guide - Mechanical Transmission System No� Problem Cause Solution 1. Tension of left and right tracks differ. 1. Adjust tension device. Traveling off track 2. The crawlers are slack.
  • Page 199 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual No� Problem Cause Solution The luffing stall The bolt of luffing valve core is loosing. Fix the bolt. The luffing pawl The reset spring of luffing pawl is not flexible.
  • Page 200 Section 1 Maintenance SCC1000C Crawler Crane — Maintenance Manual - 250/250 -...

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