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Clark SES15 Operator's Manual

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Operator's Manual
SES15-25
OM-1212
IMPORTANT! Do not remove this manual from the lift truck.
JAN 2025 | REV 1.3

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  • Page 1 Operator's Manual SES15-25 OM-1212 IMPORTANT! Do not remove this manual from the lift truck. JAN 2025 | REV 1.3...
  • Page 3 © 2025 CLARK Material Handling Company...

  • Page 4: Table Of Contents

    Table of Contents OM-1212 Information ..........................6 Overview........................... 7 A Message to Operators ......................8 Introduction ..........................9 How to Use this Manual ......................11 Safety Standards ........................12 Section 1. General Safety Rules................... 13 Do’s and Don’ts ....................... 14 Operator Protection ......................15 Pedestrians ........................
  • Page 5 Forks and Lift Chain ......................95 Wheels and Tires ......................97 Fuses ..........................98 Battery ..........................99 Section 7. Towing and Lowering ..................101 Emergency Towing ......................102 Emergency Lowering ..................... 104 Section 8. Specifications ....................105 SES15-25 ........................106...

  • Page 6: Information

    Information Lift Truck Information Model Type Serial No. Truck Weight Rated Capacity Gross Weight Component Serial Number Drive Axle / Motor (left) Drive Axle / Motor (right) Steer Axle / Motor Hydraulic Pump / Motor Traction Controller Steer Controller Pump Controller Valve Controller Lift Truck Information...

  • Page 7: Overview

    Overview YOU can prevent accidents First: Know the rules of safe lift truck operation and the safety rules specific to your work area. Next: Read the Operator’s Manual. If you do not understand something, ask your supervisor. LEARN about the lift truck you operate! Know YOUR lift truck Then: Operate your lift truck safely.

  • Page 8: A Message To Operators

    If you have not been certified (or need recertification) to operate or inspect your lift truck, tell your supervisor. All CLARK lift trucks are designed and built to handle hard work, but not abuse from an operator. They are designed and built to be dependable, but are only as safe and efficient as the operator(s) and person(s) responsible for using and maintaining them.

  • Page 9: Introduction

    Foreword CLARK welcomes you to the growing group of professionals who own, operate, and/or maintain our lift trucks. We take pride in the tradition of high quality and superior value that the CLARK name represents. This Operator’s Manual has been specially prepared to help you use and maintain your CLARK lift truck in a safe and correct manner.
  • Page 10 Always Practice Safe Operation Incorrect lift truck operation can cause accidents. Do not operate an improperly setup, damaged, or malfunctioning lift truck. Read and understand the procedures for safe driving and maintenance described in this manual. If you have questions, ask for assistance. Stay alert and follow the rules, regulations, and procedures for safe lift truck operation.

  • Page 11: How To Use This Manual

    If the lift truck you operate is not equipped with an Operator’s Manual, alert your supervisor immediately. • Your authorized CLARK dealer is ready to help and can provide you with additional information about the unique features, operation, and maintenance of your lift truck. How to Use this Manual...

  • Page 12: Safety Standards

    IL 60062. IMPORTANT! Your CLARK lift truck has been built to meet all applicable mandatory design and construction requirements of the ANSI / ITSDF B56.1 Safety Standard for Low Lift and High Lift Trucks. No additions, omissions, or modifications should be made to the lift truck that affect compliance to the above requirements or in any way minimize the effectiveness of it’s safety devices.

  • Page 13: Section 1. General Safety Rules

    Section 1. General Safety Rules Contents Do’s and Don’ts ..................14 Operator Protection ................. 15 Pedestrians ....................16 Upright ...................... 17 Travel ......................18 Parking ..................... 19 Tip-Over ....................20 Contents...

  • Page 14: Do's And Don'ts

    Do’s and Don’ts DON’T mix drugs or alcohol with your job. DO watch for pedestrians. DON’T block safety equipment. DO wear personal protective equipment. DON’T smoke while operating the lift truck and in NO SMOKING areas. DON’T operate the lift truck outdoors during poor weather conditions such as rain, snow, or ice.

  • Page 15: Operator Safety

    Section 1. General Safety Rules Operator Protection Operator Presence System WARNING When the dead man pedal (1) is released or the gate switch (2) is depressed, travel and hydraulic functions are stopped and the lift truck will slow to a stop and apply the parking brake.

  • Page 16: Pedestrians

    Pedestrians No Riders WARNING The operator is the only person allowed on the lift truck. WARNING Do not transport personnel with the lift truck. Nearby Personnel WARNING • Look in the direction of travel. • Slow down and operate the horn at every intersection or location with limited visibility.

  • Page 17: Pinch Points

    Section 1. General Safety Rules Upright Forks and Upright WARNING Do not walk or stand under raised forks. WARNING Do not raise personnel with the lift truck. WARNING Do not use the upright as a ladder. Pinch Points WARNING Keep hands, feet, and legs out of the upright. Upright...

  • Page 18: Travel

    Travel Forward Travel • Lower the forks to a safe height and tilt the upright back when traveling with a load. • Do not lift or lower a load while the lift truck is traveling. Reverse Travel • Travel in reverse when handling loads that restrict your view.

  • Page 19: Parking

    Section 1. General Safety Rules Parking Parking Rules • Do not park the lift truck on a ramp or grade. • Do not leave the lift truck before coming to a complete stop. • Park the lift truck in authorized areas only. •...

  • Page 20: Tip-Over

    Tip-Over Side Tip-Over • Tip-overs can occur when a certain combination of travel speed and turn sharpness exceeds the stability of the lift truck. This is most likely to occur with an unloaded lift truck. • Tip-overs can occur while turning with the upright raised or braking in reverse with the upright raised or accelerating during a turn.
  • Page 21 Section 1. General Safety Rules What To Do in Case of a Tipover WARNING During a tipover, your best chance of survival is to step off and away from the lift truck! WARNING If a tip-over occurs while you are operating an electric stand-up lift truck, you can be seriously injured or killed, no matter what you do! Your best chance of surviving a tip-over in an electric stand-up lift truck is to get away from the falling truck and load by stepping out and away from the operator’s compartment.

  • Page 23: Section 2. Operating Hazards

    Section 2. Operating Hazards Contents Load Handling ..................24 Collisions ....................27 Drop-Offs ....................28 Ramps and Grades .................. 29 Surface and Capacity ................30 Contents...

  • Page 24: Load Handling

    Load Handling Unbalanced Loads Do not handle uneven loads. Wide Loads Center wide loads on the forks. Loose Material Stack and band loose material. WARNING • Always secure loose loads before handling. • Long loads decrease the capacity of your lift truck. Know and understand your lift truck’s specific load rating.
  • Page 25 Section 2. Operating Hazards Right-Angle Stacking Avoid sharp turns and operate slowly. High Loads Do not turn sharply with a raised load. Long or Wide Loads Long or wide loads require more clearance. Load Handling...
  • Page 26 Chain Slack WARNING Always check for slack chains before attempting to lower a load or when withdrawing the forks after placing a load. Chain slack is caused by the upright rails, carriage, or forks hanging up. Raise the forks before moving, or damage to the chains may occur. Pallets and Skids WARNING Possibility of crushing injury or death.

  • Page 27: Overhead Clearance

    Section 2. Operating Hazards Collisions Overhead Clearance WARNING • Know your overhead clearance and look for obstacles. • Colliding with an overhead structure can cause the lift truck to tipover or drop its load. • Keep the load low and tilted back. WARNING •...

  • Page 28: Drop-Offs

    Drop-Offs WARNING When operating on a dock or drop-off, do the following: • Tell the driver not to move the trailer and use the trailer brakes. • Install wheel chocks. • Use a trailer-to-dock system if available. The trailer may move unexpectedly while loading or unloading! Drop-Offs...

  • Page 29: Ramps And Grades

    Section 2. Operating Hazards Ramps and Grades Unloaded Travel When Traveling Unloaded... Keep Forks Pointed Down Grade WARNING WARNING Always look in the direction of travel. Do not turn on a grade. Loaded Travel When Traveling Loaded... Keep Forks Pointed Up Grade WARNING •...

  • Page 30: Surface And Capacity

    Surface and Capacity SAND ROCKS WEAK FLOORS WARNING Poor ground conditions can cause the lift truck to lose traction when braking or traveling. WARNING Do not travel over a surface that cannot support the weight of a loaded lift truck. Know the combined (gross) weight of the lift truck and the load.

  • Page 31: Section 3. Know Your Lift Truck

    Section 3. Know Your Lift Truck Contents Overview....................32 Operator Controls ..................34 Joystick ....................38 Adjustable Armrest ................. 39 Parking Brake ..................40 Operator Presence System..............41 Data Plate ....................42 Decals ....................... 43 Contents...

  • Page 32: Overview

    Overview Lift Truck Components Overhead Guard Counterweight Upright Foot Switch Load Backrest Gate Switch Forks Operator's Manual Drive Wheels Adjustable Armrest Battery Compartment Cushion Battery Retainer Data Plate Steer Wheels Footrest Overview...

  • Page 33: Operator Compartment

    Section 3. Know Your Lift Truck Operator Compartment Joystick USB Accessory Ports Key Switch 12V Accessory Port Steering Tiller Dash Display Emergency Disconnect Accessory Switches NOTE Your lift truck may vary in appearance depending on the model and optional equipment. Overview...

  • Page 34: Operator Controls

    Operator Controls Travel Functions Rotate the steering tiller clockwise to turn right. Steering Tiller Rotate the steering tiller counterclockwise to turn left. Move the joystick forward to travel in the forward direction. Move the joystick back to Directional travel in the reverse direction. Controls Release the joystick back to neutral to allow the lift truck...

  • Page 35: Hydraulic Functions

    Section 3. Know Your Lift Truck Hydraulic Functions Move the joystick up to raise the forks. Lift / Lower Controls Move the joystick down to lower the forks. Move the mini-joystick up to tilt the forks back. Tilt Control Move the mini-joystick down to tilt the forks forward.

  • Page 36: Function Button

    Hydraulic Functions (continued) The function button is used to change the hydraulic function controlled by the mini-joystick. The function button can be operated in two ways: Function • Press and hold the function Button button while operating the mini-joystick. • Press and release the function button and then operate the mini-joystick within two (2) seconds.

  • Page 37: Additional Functions

    Section 3. Know Your Lift Truck Additional Functions Rotate the key switch clockwise to turn the lift truck Switch Rotate the key switch counterclockwise to turn the lift truck OFF. Press the emergency disconnect switch down to immediately remove battery Emergency power from the lift truck.

  • Page 38: Joystick Functions

    Joystick The joystick is used to operate the lift truck's travel, hydraulic, and horn functions. It has a unique contoured grip which can accommodate different hand sizes and is ergonomically designed to provide optimal operator comfort during prolonged lift truck operation. Joystick Functions To travel, the operator must move the joystick (1) forward or backward.

  • Page 39: Adjustable Armrest

    Section 3. Know Your Lift Truck Adjustable Armrest The armrest is adjustable to accommodate operators of different heights when using the joystick. The adjuster uses a six (6) position detent which allows for 3.25 inches (83 mm) of vertical adjustment. Raising the Armrest •...

  • Page 40: Parking Brake

    Parking Brake The lift truck is equipped with a self-activating parking brake (SAPB) system which consists of electromagnetic (EM) brakes attached to each drive motor. During normal operation, the EM brakes are disengaged to allow the drive motors to turn freely. When the truck is stopped, the EM brakes automatically engage and prevent the lift truck from traveling.

  • Page 41: Operator Presence System

    Section 3. Know Your Lift Truck Operator Presence System Operator Presence System The operator presence system (OPS) consists of a foot switch (1) and a gate switch (2) which are located on the floor of the operator's compartment. Foot Switch The purpose of the foot switch (1) is to ensure that the operator is positioned safely inside the lift truck during operation.

  • Page 42: Data Plate

    A new data plate is required whenever modifications are made to the lift truck that may affect capacity, such as adding an attachment. Contact your authorized CLARK dealer for an updated data plate showing the correct capacity.

  • Page 43: Decals

    Section 3. Know Your Lift Truck Decals Decals WARNING Safety or warning decals that are unreadable or missing must be replaced immediately. Safety Decals Name Description View The operator warning decal describes Operator warnings related to Warning safely operating the lift truck.
  • Page 44 Safety Decals Name Description View The fork safety decals show the risk of serious Fork injury or death when Safety the forks are in a raised position. The upright safety decal warns of the risk of serious injury when Upright placing body parts Safety between the moving...

  • Page 45: Section 4. Operating The Display

    Section 4. Operating the Display Contents Display Overview ..................46 Icons and Indicators................48 Menus ....................... 54 Standard Features ................... 64 Optional Features ..................70 Contents...

  • Page 46: Dash Display

    Display Overview Dash Display 9 10 Menu Buttons Battery Level Warning Icons Parking Brake Model Operator Presence Date Controller Alarm Time Direction / Steer Position Hour Meter / Odometer Low Speed Mode Performance Mode Display Overview...

  • Page 47: Menu Buttons

    Section 4. Operating the Display Menu Buttons Menu Press the MENU button to enter the operator menu. When in a menu, press the BACK button to return to the previous screen. Back Button Press the ENTER button to enter the service menu. Enter A password is required.

  • Page 48: Icons And Indicators

    Icons and Indicators Main Screen - Functions and Alarms When travel speed is less Stopped than 0.5 km/h (0.3 mph), the time is shown. When stopped, or when Stopped not operating a hydraulic 2345 function, the load weight is (Load Weight) shown.
  • Page 49 Section 4. Operating the Display Main Screen - Functions and Alarms (continued) Stopped TM79-OPER. ERROR INCORRECT START Traveling PUT IN NEUTRAL When an operator alarm occurs, the alarm code and description are shown on the screen. Stopped TM79-OPER. ERROR Traveling INCORRECT START PUT IN NEUTRAL (Load Weight)

  • Page 50: Main Screen - Indicators

    Main Screen - Indicators The time and date icon shows Date and Time the current time and date. The speedometer icon shows Speedometer the lift truck's travel speed. 2345 Load Weight The load weight icon displays the weight of the current load. (optional) The hour meter icon shows 12345...
  • Page 51 Section 4. Operating the Display Icons The battery indicator shows the remaining battery charge level. Each increment on the icon is equal to approximately 10% of total battery charge. Normal Battery The icon will be green, indicating adequate battery charge, when the battery charge level is greater than 20%.
  • Page 52 Icons (continued) The operator presence icon is displayed when the lift truck is turned on and the Operator Presence operator has not pressed the foot switch or the gate switch is active. The performance mode icon shows the lift truck's current operating mode. The Performance Mode three levels of performance are economy, standard, and power.

  • Page 53: Maintenance

    Section 4. Operating the Display Icons (continued) Hill Hold The hill hold warning icon is displayed when stopped on a ramp and this function is in use. (optional) The maintenance warning icon is displayed Maintenance when the preset service interval has been reached.

  • Page 54: Operator Menu

    Menus Operator Menu The operator menu allows the operator to adjust or change features that can assist them with effectively operating the lift truck. To enter the operator menu, press the MENU button. A password is not required to enter this menu. NOTE For additional information regarding the specific use and operation of the display menus, refer to the Service Manual.
  • Page 55 • Truck model DEVICE INFORMATION • Controller software version(s) DISPLAY SW VER. V 0.25 Device • Display software version TRUCK MODEL SES15 Information TRUCK HOURS 24 Hrs • Truck operating hours TRACTION SW VER. 0.35 Ver. • Truck key-on hours TRAC.
  • Page 56 Sales Menu The sales menu allows the dealer or salesperson to view all current settings and features found in the service menu, but only allows for limited adjustment. In this menu, the performance modes, display setup, and speed setup can be adjusted. A password is required to enter this menu, refer to the service manual for this password.
  • Page 57 Modes adjust, enable, or disable the DRIVER CHANGE MODE performance mode features. TURTLE BUTTON DISPLAY SETUP The display setup menu CLARK LOGO Display allows the dealer to adjust, LANGUAGE Setup enable, or disable the lift DISPLAY UNIT truck's display features.

  • Page 58: Control Settings

    Sales Menu Name View Description BATTERY SETTINGS The battery settings menu BAT. MIN ADJ. Battery allows the dealer to view the BAT. MAX ADJ. Settings lift truck settings related to the BDI ADJ STARTUP battery. BDI RESET CHARGE SOON SPD T CONTROL SETTINGS The control settings menu TRACTION PARAMETER...

  • Page 59: Device Information

    VCM-VALVE CONTROL DEVICE INFORMATION The device information menu DISPLAY SW VER. V 0.25 Device allows the dealer to view TRUCK MODEL SES15 Information the lift truck model, software TRUCK HOURS 24 Hrs versions, and operating hours. TRACTION SW VER. 0.35 Ver.

  • Page 60: Service Menu

    Service Menu The service menu is intended for use by the technician only. It allows the technician to view and adjust all settings, clear errors, and enable or disable lift truck options. A password is required to enter this menu. Entering the Service Menu INPUT PASSWORD •...
  • Page 61 MODE OPTION Modes adjust the performance mode DRIVER CHANGE MODE features. TURTLE BUTTON DISPLAY SETUP The display setup menu CLARK LOGO Display allows the technician to adjust LANGUAGE Setup the display features. DISPLAY UNIT DISPLAY MODE SPEED DISPLAY...
  • Page 62 Service Menu Name View Description SPEED SETUP The speed setup menu allows MAX SPD FWD ECO Speed Setup the technician to adjust the MAX SPD FWD STD maximum travel speeds. MAX SPD FWD PWR MAX SPD FWD CUST. MAX SPD RVS ECO BATTERY SETTINGS The battery settings menu BAT.
  • Page 63 VCM-VALVE CONTROL DEVICE INFORMATION The device information menu DISPLAY SW VER. V 0.25 Device allows the technician to view TRUCK MODEL SES15 Information the lift truck model, software TRUCK HOURS 24 Hrs versions, and operating hours. TRACTION SW VER. 0.35 Ver.

  • Page 64: Standard Features

    Standard Features Standard Features Name Operation Description The date and time is shown on the display when the lift truck is ON and traveling less than 0.5 Adjust Time and Date Settings km/h (0.3 mph) or stopped. The Clock day, month, year, and time can SETUP →...
  • Page 65 LANGUAGE Enable / Disable CLARK Logo The CLARK logo, shown on Logo startup, can be disabled or SETUP → DISPLAY SETUP → CLARK enabled. LOGO The monitor submenu in the Enable / Disable Monitor Submenu operator menu can be hidden SETUP →...
  • Page 66 SETUP → PASSWORD SETUP → lost or forgotten your lift trucks SERVICE PASSWORD Password service password, contact your Setup CLARK dealer. Adjust Sales Password The sales password is programmable and must be five SETUP → PASSWORD SETUP → digits in length.
  • Page 67 Section 4. Operating the Display Standard Features Name Operation Description The lift truck has three maintenance feature options that determine what warning Enable / Disable Maintenance Type messages are displayed and if travel and hydraulic function SETUP → HOUR SETUP-MAINT. → will be reduced once the MAINTENANCE TYPE maintenance interval has been...
  • Page 68 Standard Features Name Operation Description Adjust Maximum Forward Speed The maximum forward travel (Economy Mode) speed for economy mode is SETUP → SPEED SETUP → MAX adjustable. SPD FWD ECO Adjust Maximum Forward Speed The maximum forward travel (Standard Mode) speed for standard mode is SETUP →...
  • Page 69 Section 4. Operating the Display Standard Features Name Operation Description Adjust Maximum Reverse Speed The maximum reverse travel (Power Mode) speed for power mode is SETUP → SPEED SETUP → MAX adjustable. SPD RVS PWR Adjust Maximum Reverse Speed The maximum reverse travel (Custom Mode) speed for custom mode is SETUP →...

  • Page 70: Optional Features

    Optional Features Optional Features Name Description Menu Operation The lift truck may be equipped with a fork camera or a rear view camera. The fork camera is activated when a hydraulic Enable / Disable Camera Type function is being used. The rear SETUP →...
  • Page 71 Section 4. Operating the Display Optional Features Name Description Menu Operation The fork leveling feature is activated by pressing a Enable / Disable Fork Leveling Type auxiliary hydraulic button. This SETUP → SET OPTIONS → PUMP feature can also be turned OFF. CONTROL →...
  • Page 72 Optional Features Name Description Menu Operation This feature, if enabled, will Enable / Disable Hi-Mast Switch reduce travel and hydraulic SETUP → SET OPTIONS → PUMP performance when the upright CONTROL → HI MAST SWITCH is raised to a certain height. Adjust Maximum Lifting Speed Adjust the pump motor speed (Hi-Mast)
  • Page 73 Section 4. Operating the Display Optional Features Name Description Menu Operation Enable / Disable Reverse Travel Enable or disable all Signal accessories that are activated SETUP → SET OPTIONS → during reverse travel. TRACTION CONTROL → ACC. TRV. 1 Option 1: directional control in the forward position.
  • Page 74 Optional Features Name Description Menu Operation Enable / Disable Auxiliary 1 Function Enable or disable an auxiliary SETUP → SET OPTIONS → PUMP function. CONTROL → AUX1 ENABLE Enable / Disable Auxiliary 2 Function Enable or disable an auxiliary SETUP → SET OPTIONS → PUMP function.

  • Page 75: Section 5. Operating Your Lift Truck

    Section 5. Operating Your Lift Truck Contents Before Operating the Lift Truck .............. 76 Safe Operation ..................77 Forks and Upright ..................78 Load Handling ..................79 Braking ..................... 84 Parking ..................... 85 Contents...

  • Page 76: Before Operating The Lift Truck

    Before Operating the Lift Truck IMPORTANT! Read the Operator’s Manual before operating the lift truck. WARNING • Safe operation is always the responsibility of the operator! • The operator must be trained and authorized to operate this lift truck. • Only operate the lift truck in a safe and controlled manner.

  • Page 77: Safe Operation

    Section 5. Operating Your Lift Truck Safe Operation Look where you are going... Check that your intended path of travel is clear of obstacles and pedestrians. Watch for other personnel, lift trucks, and any other obstructions in your path of travel and work area. Do not rely on your lift trucks warning lights or alarms to alert others while operating your lift truck.

  • Page 78: Forks And Upright

    Forks and Upright Positioning the Forks for Traveling When traveling with or without a load, it is recommended to have the forks raised slightly and the upright tilted back. This helps prevent the fork tips from catching on the ground or debris while traveling.

  • Page 79: Load Handling

    Section 5. Operating Your Lift Truck Load Handling Overview • Always handle loads that are at or below the lift truck’s rated capacity. The rated capacity can be found on the lift truck’s data plate. This rating specifies the maximum load that should be lifted.
  • Page 80 Traveling with a Load • Always travel with the load as low as possible and the upright tilted back. Do not travel with a raised load. Do not attempt to raise the load except when stopped or stacking. • Know and follow all traffic rules and regulations for your work area. Look and be aware of other vehicles, personnel, and other obstacles.
  • Page 81 Section 5. Operating Your Lift Truck Stacking a Load Step Procedure View Drive forward slowly while aligning the load squarely with the stack Raise the load as the lift truck approaches the stack. Drive forward slowly until the load is almost touching the stack.
  • Page 82 Stacking a Load Step Procedure View Stop close to the stack and raise the load high enough to clear the top surface of the stack. Position the load slowly so that it aligns with the load or rack beneath it. Use care not to move or damage nearby loads.
  • Page 83 Section 5. Operating Your Lift Truck Unstacking a Load Slowly approach the stack with the lift truck lined up squarely with the load. When near the stack, tilt the upright to the vertical position. Raise the forks high enough to freely engage the load pallet. Adjust fork angle as necessary to position the forks squarely under the load.

  • Page 84: Braking

    Braking Inversion Braking (Plugging) The primary braking method for the lift truck is called inversion braking, also known as plugging. Plugging is a method of braking an electric lift truck by changing the travel direction quickly while moving. While traveling forward or backward, move the control handle to the opposite travel direction.

  • Page 85: Parking

    Section 5. Operating Your Lift Truck Parking Parking the Lift Truck Step Procedure View • Stop the lift truck. • Put the directional control in neutral. • Lower the upright to the ground. • The lift truck is equipped with a self-activating parking brake.

  • Page 87: Section 6. Maintaining Your Lift Truck

    THIS SECTION IS INTENDED FOR SERVICE TECHNICIANS ONLY! The following information is intended as a reference when determining your lift truck's specific planned maintenance (PM) schedule. For complete maintenance and service information, refer to the service manual or your CLARK dealer. Contents...

  • Page 88: Safe Maintenance

    13. All batteries, motors, controllers, switches, protective devices, electrical conductors, and connections must be inspected and maintained. 14. Refer to the OEM manufacturer's (CLARK) procedures for replacing battery contacts to avoid injury or damage to the equipment. 15. Lift trucks must be kept clean to minimize the risk of fire and to aide in the detection of damaged or defective parts.

  • Page 89: Operator's Daily Checklist

    Engine (IC) (rough idle, noisy, leaking) Auxiliary (loose, binding, operation) Description of Problem(s): 59-770-2937 January 2020 NOTE CLARK has prepared an Operator's Daily Checklist to assist you in performing and documenting your daily inspections. This form is available from your CLARK dealer. Operator's Daily Checklist...

  • Page 90: Daily Inspection

    Daily Inspection Every 8-10 Daily Inspection Overview Explanation Hours (Daily) CHECK Obvious damage ● Fluid leaks ● Drive and steer tires ● Capacity plate and warning decals ● Load backrest and attachment ● Upright and lift chains ● Overhead guard ●...
  • Page 91 Section 6. Maintaining Your Lift Truck Visual and Operational Inspections Lift Truck Exterior • Check for obvious damage, fluid leaks, or other maintenance issues. • Check that all safety, capacity, and warning plates and decals are attached and legible. Wheels and Tires •...

  • Page 92: Cleaning

    Cleaning Cleaning Rules Always maintain a clean lift truck. Do not allow debris or contaminants to accumulate on the lift truck. Clean any excess or leaking grease and oil before operating the lift truck. Before attempting to clean the lift truck, make sure to prevent shorting (arcing) of the electric circuits. Your specific operating environment determines the amount and extent of cleaning required for your lift truck.

  • Page 93: Operating Conditions

    Operator's Manual are for normal operation only. For severe or extreme operation, the maintenance interval should be shortened to ensure optimal lift truck performance and reliability. Contact your authorized CLARK dealer if you have questions regarding the recommended service intervals for your specific lift truck application.
  • Page 94 Every 450-500 Every 900- Every 2000 PM Service Intervals Hours 1000 Hours Hours (6 Months) (12 Months) (Yearly) CHECK Wheel fastener torque ■ Drive and steer axle fluid levels ■ Hydraulic fluid level ■ Battery electrolyte level ■ Drive, pump, and steer motors ■...

  • Page 95: Fork Inspection

    Section 6. Maintaining Your Lift Truck Forks and Lift Chain Fork Inspection Inspect the forks for bending and wear: • The top surfaces of the forks should be level with each other. • If the height difference between the fork tips is greater than 1.5% of the blade length (A), then the forks must be replaced.
  • Page 96 Lift Chain Inspection and Lubrication During normal operation, inspect and lubricate the lift chains every 450 to 500 hours. If operating in a corrosive or extreme working condition, inspect the lift chains more frequently. Be sure to check for the following: corrosion, cracked plates, raised or turned pins, tight joints, excessive wear, and worn pins and holes.

  • Page 97: Wheels And Tires

    Section 6. Maintaining Your Lift Truck Wheels and Tires Inspect the drive and steer wheels and tires every day before operating the lift truck. Do the following when inspecting the wheels and tires: • Inspect the tires for excessive wear. Replace if needed. •...

  • Page 98: Fuses

    Fuses Fuse Descriptions Fuse Box 1 Fuse Box 2 Number Description Amp Rating Key Switch Display 12V Converter FWD / REV Travel Accessories Headlights / Rear Work Light / Side Marker Lights Strobe Light / Dome Light / Rear Arch Light Controller Fans Horn 12V Accessory / USB...

  • Page 99: Battery

    Section 6. Maintaining Your Lift Truck Battery Battery Service Area The industrial battery service area must be in a location dedicated for that purpose. The area must be free of all nonessential combustible materials. The battery service area must have the following: •...

  • Page 100: Battery Charging

    Battery Charging Charging the Battery: Safely park the lift truck. Remove the right side battery retainer. Check all cables and connections for damage. Disconnect the battery cable (not shown) from the lift truck's battery receptacle (1). Connect the battery cable to the charger. Follow the recommended procedure provided by the battery and/or charging station manufactur- er(s).

  • Page 101: Section 7. Towing And Lowering

    Section 7. Towing and Lowering Contents Emergency Towing ................102 Emergency Lowering ................104 Contents...

  • Page 102: Emergency Towing

    Emergency Towing WARNING THIS SECTION IS INTENDED FOR SERVICE TECHNICIANS ONLY! The following information is to be used as a reference. For complete maintenance and service information, refer to the service manual. Disabled Lift Truck If the lift truck becomes disabled... •...
  • Page 103 Section 7. Towing and Lowering Safe Towing Rules: • Do not tow on a grade or poor ground conditions. • If using another lift truck to tow, make sure it is of equal or greater size and carrying a partial load to ensure adequate traction. •...

  • Page 104: Emergency Lowering

    Emergency Lowering Lowering the Upright The hydraulic control valve is equipped with an override release which, during an emergency or lift truck out of service situation, can be used to safely lower the upright from a raised position. Make sure all personnel are a safe distance away from the lift truck and its upright. Loosen the override release (1) until the upright begins to lower in a slow and controlled manner.

  • Page 105: Section 8. Specifications

    If the data plate is missing, damaged, or modifications have been made to the lift truck that may affect the rated load capacity or weight of the lift truck, then it must be replaced. Contact your CLARK dealer if you require a new or updated data plate. CAUTION CLARK products and their specifications are subject to improvements and change without obligation of prior notice.

  • Page 106: Ses15-25

    SES15-25 Rated Load Capacity Rated Load Capacity Model Load Center: 500 mm (19.6 in) Load Center: 24 in (610 mm) SES15 1500 3306 1360 3000 SES17 1750 3858 1587 3500 SES20 2000 4409 1814 4000 SES25 2500 5511 2267 5000...

  • Page 107: Battery Compartment

    Section 8. Specifications Minimum Battery Weight Battery Compartment Wheelbase Minimum Battery Weight Width Model SES15 1143 45.0 13.8 1590 SES15-20 1254 49.4 18.3 2175 SES20-25 1316 51.8 20.8 1116 2460 Battery Compartment Wheelbase Battery Compartment Width Model SES15 1143 45.0 13.8...

  • Page 108: Recommended Lubricants

    Recommended Lubricants Type Specification Component CLARK Innerslide Upright rails Lubricant CLARK Chain & Lift chains Cable Lubricant NLGI #2 EP General Upright / carriage rollers, tilt cylinder ends, up- CLARK MS-107C Purpose Grease right mounting pins, steer wheel hub bearings...
  • Page 112 Scan Link Below Safety Starts with You! OM-1212 700 Enterprise Drive Lexington KY 40510 Additional copies of this manual are available from your CLARK dealer.

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