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Summary of Contents for Clark WSTX33
- Page 1 WSTX33 Operator's Manual OM-743 Do not remove this manual from the truck. NOV 2019 Rev 1.1...
- Page 2 Serial No. ___________________________________________ Customer Vehicle Identification No. _______________________ Vehicle Weight, Empty _________________________________ Vehicle Rated Capacity ________________________________ Vehicle Gross Weight _________________________________ Special Equipment or Attachments _______________________ IMPORTANT Do not expose this manual to hot water or steam. © 2019 CLARK Material Handling Company...
- Page 3 Operator's Manual You must be trained and authorized to operate a lift truck. YOU can prevent accidents First: Learn safe operating rules and your company rules. Next: Read your Operator's Manual. If you do not understand, ask your supervisor for assistance. Learn about the unit you operate.
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Page 4: Table Of Contents
Contents of this Manual A Message to CLARK Lift Truck Operators ....iv Introduction ..............vi How to Use this Manual ........viii Safety Signs and Safety Messages ......x Section 1. General Safety Rules .......1-1 Section 2. Operating Hazards ........2-1 Section 3. -
Page 6: A Message To Clark Lift Truck Operators
They require specific instructions and rules for safe operation and maintenance. Safe operation of lift trucks is of primary importance to CLARK. Our experience with lift truck accidents has shown that when accidents happen and people are killed or injured, the causes are: •... - Page 7 (or need refresher training) operating or inspecting your lift truck, ask your supervisor. CLARK lift trucks are built to take hard work, but not abuse. They are built to be dependable, but they are only as safe and efficient as the operator and the persons responsible for maintaining them.
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Page 8: Introduction
This manual familiarizes you with safety, operating, and maintenance information about your new lift truck. It has been specially prepared to help you use and maintain your CLARK lift truck in a safe and correct manner. Your CLARK lift truck has been designed and built to be as safe and efficient as today’s technology can make it. - Page 9 CLARK dealers can supply copies of a helpful “Drivers Daily Checklist.” Planned Maintenance In addition to the daily operator inspection, CLARK recommends that a planned maintenance and safety inspection program (PM) be performed by a trained and authorized mechanic on a regular basis. The PM will provide an opportunity to make a thorough inspection of the safety and operating condition of your lift truck.
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Page 10: How To Use This Manual
NOTICE: The descriptions and specifications included in this manual were in effect at the time of printing. CLARK Material Handling Company reserves the right to make improvements and changes in specifications or design, without notice and without incurring obligation. Please check with your authorized CLARK dealer for information on possible updates or revisions. - Page 11 If the truck you operate is not equipped with a manual, ask your supervisor to obtain one and have it attached to the truck. And, remember, your CLARK dealer is pleased to answer any questions about the operation and maintenance of your lift truck and will provide...
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Page 12: Safety Signs And Safety Messages
If warning decals are damaged, they must be replaced. Contact your CLARK dealer for replacements. NOTICE This message is used when special information, instruc-... - Page 13 Section 1. General Safety Rules Contents Daily Inspection ............1.2 Do's and Don'ts ............1.3 No Riders ..............1.4 Pedestrians ..............1.4 Fork Safety ..............1.5 Pinch Points ............... 1.6 Travel ................1.7 Tip-Over ..............1.8 Surface and Capacity ..........1.9 Parking ..............
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Page 14: Daily Inspection
Section 1. General Safety Rules Daily Inspection Operator’s Daily Checklist Date: Check each Item Before Start of Each Shift Check one: Gas/LPG/Diesel Truck Electric Sit-down Electric Stand-up Electric Pallet Truck Serial Number: Operator: Supervisor's OK: Hour meter reading: Check each of the following items before the start of each shift. Let your supervisor and/or maintenance department know of any problem. DO NOT OPERATE A FAULTY TRUCK. -
Page 15: Section 1. General Safety Rules
Section 1. General Safety Rules Do's and Don'ts Don't mix drugs or alcohol with your job. OM0001 Do watch for pedestrians. OM0002 Don't block safety or emergency equipment. OM0003 Do wear safety equipment when required. OM0004 Don't smoke in "NO SMOKING" areas or when refueling. -
Page 16: No Riders
Section 1. General Safety Rules No Riders WARNING Always walk the truck. Never attempt to ride or allow passengers. Pedestrians IMPORTANT • Watch where you are going. • Look in the direction of travel. • Pedestrians may use the same roadway you do. •... -
Page 17: Fork Safety
Section 1. General Safety Rules Fork Safety Never allow anyone to walk under raised forks. 657005 DANGER There is special equip- ment to raise people for 2372604 overhead work. DO NOT USE LIFT TRUCKS. 657006... -
Page 18: Pinch Points
Section 1. General Safety Rules Pinch Points 2791862 WARNING Keep hands, feet, and legs out of the upright. WARNING Don't use the upright as a ladder. CAUTION Never try to repair the upright, carriage, chain, or attach- ment yourself! Only properly trained mechanics can repair or maintain lift trucks. -
Page 19: Travel
Section 1. General Safety Rules Travel CAUTION The WSTX33 walkie-stacker counterbalanced lift truck is designed for smooth level surfaces and is not recom- mended for ramps or inclines. • Never lift or lower the load when the truck is in motion. -
Page 20: Tip-Over
Section 1. General Safety Rules Tip-over Lateral Tip-over • Lateral tip-over can occur with a combination of travel speed and sharpness of turn. This combination may exceed the stability of the truck. This condition is even more likely with an unloaded truck. •... -
Page 21: Surface And Capacity
Section 1. General Safety Rules Surface and Capacity WSTX004 Avoid these conditions. They can cause a truck to tip over or lose trac- tion for braking or driving. WARNING Know the weight of your truck and load. Especially when using elevators. Know the capacity of the elevator you intend to use. -
Page 22: Parking
Section 1. General Safety Rules Parking • Park only in authorized loca- tions. • Never park on a grade. • Always come to a complete stop. • Be sure travel control is in NEUTRAL. • Lower forks fully to floor. •... - Page 23 Section 2. Operating Hazards Contents Loose Loads ............... 2.2 Long and Wide Loads ..........2.3 Rear Swing ..............2.3 Low Overhead Clearance .......... 2.4 Fast Turns and High Loads ........2.4 Right-Angle Stacking ..........2.5 Chain Slack ..............2.6 Pallets and Skids ............2.7 IMPORTANT This section shows some of the hazards that may cause you, or someone around you, to be killed or...
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Page 24: Loose Loads
Section 2. Operating Hazards Loose Loads WARNING Loose or unbalanced loads are dangerous. Observe these precautions. Never carry loose or uneven material. OM0006 Center wide loads. OM0007 Stack and band loose material. OM0008... -
Page 25: Long And Wide Loads
Section 2. Operating Hazards Long and Wide Loads WARNING With long or wide loads, you need more room. Slow down and watch your clearance. A long load reduces the capacity of the truck. Know and understand your truck load rating. When extra-long material makes it necessary to travel with the load elevated, do so with extreme care and be alert to load end-swing when turning. -
Page 26: Low Overhead Clearance
Section 2. Operating Hazards Low Overhead Clearance/Fast Turns and High Loads WARNING • Know the height of your truck, with and without a load. • Check your clearances. • Keep the load low as possible when traveling. • Watch overhead clearance. •... -
Page 27: Right-Angle Stacking
Section 2. Operating Hazards Right-Angle Stacking S L O W L Y WARNING When right-angle stacking or moving with a raised load to clear low objects, avoid sharp turns and move slowly. -
Page 28: Chain Slack
Section 2. Operating Hazards Chain Slack WARNING Slack chains mean rail or carriage hang-up. Raise the forks before you move, or broken chains and/or hoses can result. WARNING Keep hands, feet and legs out of the upright. WARNING 2791862 Don't use the upright as a ladder. CAUTION Never try to repair the upright, carriage, chain, or attachment yourself! Always... -
Page 29: Pallets And Skids
Section 2. Operating Hazards Pallets and Skids OM0011 WARNING Do not move or store materials on damaged pallets or skids. Items can fall through them causing severe injury or death! Be sure the pallet or skid you are using is in good condi- tion and does not have defective or missing components and fasteners. - Page 31 Section 3. Common Truck Contents Truck Description ............3.2 Operator Controls ............3.3 Battery Discharge Indicator ......... 3.4 Nameplate ..............3.5 Warning Decals ............. 3.6...
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Page 32: Truck Description
Section 3. Common Truck Truck Description 1. Chassis 2. Drive Wheel 3. Battery Discharge Indicator 4. Key Switch 5. Control Handle 6. Battery Disconnect 7. Controller 8. Mast 9. Back rest 10. Forks 11. Load Wheel 12. Hydraulic Pump 13. Battery... -
Page 33: Section 3. Common Truck
Section 3. Common Truck Operator Controls Key/Start Switch • Connects the battery with all truck operating systems (drive, lift, and steer electrical circuits) including the horn. • Connects battery to the diagnostic display. The key switch must always be turned to the ON position to operate the truck. -
Page 34: Battery Discharge Indicator
Section 3. Common Truck Battery Discharge Indicator Battery State of Charge Scale Fully Charged Battery 50% Charged Battery Fully Discharged Battery The battery indicator shows the actual charge level of the trucks battery. The battery discharge indicator (BDI) is used to indicate the degree the battery has been drained of charge. -
Page 35: Nameplate
CAUTION When attachments are added or if the truck is modified, the capacity of the truck may be affected. Contact your authorized Clark dealer for a new nameplate showing the revised capacity. IMPORTANT OSHA requires prior written approval from the manufac- turer before any modifications affecting capacity or safety may be made. -
Page 36: Warning Decals
Section 3. Common Truck Warning Decals IMPORTANT Safety and warning decals are placed in conspicuous locations on the truck to remind you of essential procedures or to prevent you from making an error that could damage the truck or possibly cause personal injury. - Page 37 This safety decal is placed on the top cover to warn of the danger of injury by riding on the truck. Always walk with WSTX33 model truck. PART NO. 2777635 No Passenger Decal This safety decal is placed on the...
- Page 38 Section 3. Common Truck Keep Away from Forks Decal This safety decal is placed on the up- right to warn of the danger of injury from forks when they are in the raised position. Do not ride on or stand under forks or attachments.
- Page 39 Section 4. Operator Maintenance and Care Contents Daily Safety Inspection ..........4.2 Visual Checks ............4.3 Functional Checks ............. 4.4 Concluding Inspection ..........4.5 CAUTION The Occupational Safety and Health Act (OSHA) re- quires that truck users examine their trucks before each shift to be sure they are in safe working order.
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Page 40: Daily Safety Inspection
In general, the daily inspection should include the visual and functional checks described on the following pages. As an aid in carrying out this inspection, CLARK has prepared a form called the "Driver's Daily Checklist." We recommend that you use this form to make a daily record of your inspections and truck condition. -
Page 41: Section 4. Operator Maintenance And Care
Section 4. Operator Maintenance and Care Visual Checks First, perform a visual inspection of the truck and its major components: 1. Walk around your lift truck and take note of obvious damage that may have been caused by operation during the last shift. 2. -
Page 42: Functional Checks
Section 4. Operator Maintenance and Care Functional Checks Check the operation of the truck as follows: NOTICE Before performing these checks, familiarize yourself with the operating procedures in Section 5. 1. Test warning devices, horn, lights, and other safety equipment and accessories. -
Page 43: Concluding Inspection
Section 4. Operator Maintenance and Care Concluding the Inspection Make a record on the "Driver's Daily Checklist' of all the operating and truck problems that you find. Review the checklist to be sure it has been completed and turn it in to the person responsible for lift truck maintenance. - Page 45 Section 5. Operating Procedures Contents Before Operating the Truck ........5-2 Starting from a Safe Condition .........5-2 Travel Control .............5-3 Emergency Reverse Switch ........5-3 Lift and Lower Control ..........5-4 Horn ................5-4 Braking ...............5-5 Plugging ..............5-5 Load Handling ............5-6 Stacking ..............5-13 After Operating the Truck ........5-15...
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Page 46: Before Operating The Truck
Section 5. Operating Procedures Before Operating the Truck Be sure that you have read and understand the information in this Operator's Manual before operating the lift truck. The Operator's Manual is located conveniently in the operators com- partment. WARNING • This equipment can be dangerous if not used properly. Safe operation is the responsibility of the operator. -
Page 47: Section 5. Operating Procedures
Section 5. Operating Procedures Travel Control Rotate the direction/speed control as shown to travel forward. Rotate the direction/ speed control in the opposite direction to travel in reverse (Reverse is defined as the direction in which the forks point). Truck speed increase the further you rotate the di- rection/speed control. -
Page 48: Lift And Lower Control
Section 5. Operating Procedures Lift and Lower Control Horn Lift-Lower Tilt Lift and Lower Control • Raises and Lowers forks. Tilt Control • Tilts the forks forward and backwards Horn Button • Press horn button to sound horn. -
Page 49: Braking
Section 5. Operating Procedures Braking The stopping distance of the truck depends on the ground conditions. The driver must take this into account when operating the truck. The driver must be looking ahead when traveling. If there is no hazard, brake moderately to avoid moving the load. -
Page 50: Load Handling
Section 5. Operating Procedures Load Handling • Lower forks completely before entering load. • Center forks with load as you approach. • Enter load as far as possible. • Make sure the lifting area is clear before lifting load. • Tilt load back enough to secure the load. - Page 51 Section 5. Operating Procedures Always be in full control of your walkie-stacker lift truck... Never operate a truck or its attachments if you are not in the designat- ed operator's position. Never operate a lift truck when your hands are wet or greasy.
- Page 52 Section 5. Operating Procedures CAUTION Be sure that your truck is the correct fire safety type for the area in which you are working. The proper type designation for this truck is listed on the nameplate. In areas classified as hazardous, use only trucks approved for use in those areas.
- Page 53 Section 5. Operating Procedures Adjusting the Load Forks The load forks are adjustable on the car- riage fork bar. Forks should be spaced as far apart as the load being carried will allow. Both forks should always be the same distance from the center of the fork 718082 carriage.
- Page 54 Section 5. Operating Procedures WARNING Slack chains mean rail or carriage hang-up. Raise the up- right before you move. If the upright malfunctions in any way or becomes stuck in a raised position, operate the lift control to eliminate any slack chains. Have the truck fixed by a trained and authorized mechanic.
- Page 55 Section 5. Operating Procedures Watch clearances around the truck and load as you travel. Raise the forks or attachment only to pick up or stack a load. Look out for ob- structions, especially overhead. Be aware that exaggerated tail swing, when turning while traveling forward, is a characteristic of lift trucks that are steered by the rear wheels.
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Page 56: Stacking
Section 5. Operating Procedures If the forks are longer than the load, move the tips partially under the load without extending beyond the load. Raise the load to clear the floor. Back out several inches, or whatever distance is necessary, then set the load down and move forward until the load is positioned against the face of the forks. - Page 57 Section 5. Operating Procedures Fig. 1 Stop close to the stack and level the forks. Fig. 2 Lift (raise) the load high enough to clear the top surface of the stack. Fig. 3 Slowly move the load Fig. 1 Fig. 2 into position.
- Page 58 Section 5. Operating Procedures To move a load from a stack: Approach the stack carefully, truck lined up squarely with the load. With upright vertical, raise the forks to the correct height for freely engaging the load pallet. Adjust fork angle as necessary to fit squarely under the load.
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Page 59: After Operating The Truck
Section 5. Operating Procedures After Operating the Truck Always leave your lift truck in a safe condition. When you leave your truck, or park it, follow these safety rules: • Park truck in designated parking area. • Never park in areas that block emergency routes or equipment, access to fire aisles, or stairways and fire equipment. -
Page 61: Section 6. Planned Maintenance
Section 6. Planned Maintenance and Lubrication Contents Daily Inspection Points ..........6.2 Typical Operating Conditions ........6.2 Maintenance and Lubrication Schedule ....6.3 Safe Maintenance Practices ........6.4 Safety Standards ............6.7 Battery Maintenance ..........6.8 Battery Handling ............6.9 Battery Charging ............ -
Page 62: Daily Inspection Points
Time intervals between maintenance are largely determined by op- erating conditions. The intervals specified in the following table are for normal operation. For more severe operation, the maintenance intervals should be shortened accordingly. Contact you CLARK dealer for recommendations. Normal Operation: Basically, eight hour material handling in clean buildings with smooth clean and level floors. -
Page 63: Maintenance And Lubrication Schedule
Test for shorts and grounds. Clean drive motor air vent. Drain and replace drive unit fluid. Check hydraulic fliud level. Drain and replace hydraulic fluid Check emergency brake. NOTE: See Section 8. Specifications in this manual for CLARK recommended fluids and capacities. -
Page 64: Safe Maintenance Practices
They are listed here for the reference and safety of all workers during inspection / maintenance operations. When in doubt of any inspection / maintenance procedures, please contact your local CLARK dealer. 1. Powered industrial trucks can become hazardous if maintenance is neglected. Therefore, suitable maintenance facilities, trained person- nel and procedures shall be provided. - Page 65 Section 6. Planned Maintenance and Lubrication 9. Before Starting to Drive the Truck: a) Remove drive wheel chocks if needed. b) Plug-in battery connector. c) Lower and turn control handle to operating position. d) Insert key and turn to "On" position. e) Make sure path of travel is clear.
- Page 66 Be sure that lifting and handling equipment is of the correct capacity and in good condition. IMPORTANT Your new CLARK lift truck has been built to meet all ap- plicable mandatory requirements of ANSI/ITSDF B56.1 Safety Standard for Powered Industrial Trucks. Each truck also includes certain safety devices-such as a horn as standard equipment.
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Page 67: Safety Standards
General Industry Standards, OSHA 2206: OSHA Safety and Health Standards (29 CFR 1910), Subpart N - Materials Handling and Storage, Section 1910.178 Powered Industrial Trucks. For sale by: Superin- tendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402 or contact your CLARK dealer. -
Page 68: Battery Maintenance
Section 6. Planned Maintenance and Lubrication Battery Maintenance BATTERY SERVICE AREA SMOKING Battery charging installations must be located in areas designated for that purpose. These areas must be kept free of all nonessential com- bustible materials. Facilities must be provided for: •... -
Page 69: Battery Handling
Section 6. Planned Maintenance and Lubrication Battery Handling 1. Change (remove) or service storage batteries only in an area des- ignated for this purpose. 2. Be sure this area has provisions to flush and neutralize spillage, to ventilate fumes from gassing batteries, and for fire protection. 3. -
Page 70: Battery Charging
Section 6. Planned Maintenance and Lubrication 6. Chain hoists or power battery hoists must be equipped with load chain containers to accumulate the excess lifting chain. 7. Keep all tools and other metallic objects away from terminals. WARNING BATTERY SERVICE must be done by trained and authorized personnel. -
Page 71: Battery Removal
Section 6. Planned Maintenance and Lubrication 3. When charging batteries, the vent caps must be kept in place to avoid electrolyte spray. Care must be taken to assure that vent caps are open (clean) and functioning. The battery (or compartment) cover(s) must be open to dissipate heat and gas. -
Page 72: Battery Cleaning And Care
Refer to the battery manufacturer or supplier for their recommended battery maintenance and care procedures. BATTERY SAVER and CLEANER, CLARK Part No. 886398, may be used to clean and protect the truck battery. New Truck Batteries: Apply a light coat of BATTERY SAVER and CLEANER to entire surface of battery. -
Page 73: Battery Life
Section 6. Planned Maintenance and Lubrication Battery Life 1. Follow normal battery maintenance procedures, re-charging before 80% discharged and with periodic equalizing charges. 2. Don’t add acid to a battery. Only a person trained and qualified to do battery maintenance should determine if this is necessary. 3. -
Page 75: Section 7. Towing
Section 7. Towing Towing IMPORTANT The WSTX33 walkie-stacker counterbalanced lift truck has an electromagnetic emergency brake that must be disabled prior to towing, see your Service Manual (SM-743). Once the emergency brake system is disabled the truck can be pulled by hand to a service area. -
Page 77: Section 8. Specifications
10" x 4.1" polyurethane 10" x 4" polyurethane Fluid Recommendations Hydraulic Unit: AW ISO32 Hydraulic Fluid (CLARK Part No. 1800236) AW ISO22 Hydraulic Fluid (Cold Storage) Transmission: SAE 80W-90 GL-5 Normal (CLARK Part No. 1808014) SAE 75W-90 GL-5 (Cold Storage) - Page 79 Important Serial Numbers Truck: ______________________________________________ Hydraulic Pump: _____________________________________ Hydraulic Pump Motor: ________________________________ Traction Motor: ______________________________________ Steer Motor: _________________________________________ Pump Controller: _____________________________________ Traction Controller: ___________________________________ Expansion Controller Module: ___________________________ Steer Unit: __________________________________________ Drive Unit: __________________________________________...
- Page 80 Additional copies of this manual may be purchased from YOUR AUTHORIZED CLARK DEALER 700 Enterprise Drive Lexington, KY 40510 Printed in the USA...
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