
The Clark Forklift C80D is a robust industrial forklift designed for heavy-duty applications. Known for its reliability and efficiency, this model excels in material handling tasks, making it an essential asset in warehouses and manufacturing facilities. Regular maintenance ensures optimal performance and longevity.
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Find all the essential guides in one place.
Tensioning Guide
Belt-diagram
C-120 pulleys
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Pre-built workflows to keep your asset running smoothly.
Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
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Integrate maintenance plans directly into your work orders.
Motion Industries
Applied Industrial Technologies
Electrical Brothers
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Drive Motor
B2 Rollers
Tensioning System
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Clark Forklift C80D
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Integrate maintenance plans directly into your work orders in MaintainX.
900 Hourly / 1 Yearly Forklift Maintenance
Clean and replace Diesel engine air filter
Change Diesel fuel filter (DEUTZ)
Change LPG fuel filter
Change transmission fluid
Clean drive axle air vent
Check drive axle mounting and fasteners
Lubricate steer axle linkage
Change / replace hydraulic sump oil filter and breather
Sign off on the forklift maintenance
50 Hourly Lift Chain Maintenance
Warning: Do not attempt to repair a worn chain. Replace worn or damaged chains. Do not piece chains together.
Inspect and lubricate the lift chains every PM (50-250 hours)
Check for rust and corrosion, cracked plates, raised or turned pins, tight joints, wear, and worn pins or holes.
Check if a section of chain is 3% longer than a section of new chain
Check if chain wear can be measured by using a chain scale or a steel tape measure.
Check if lift chain lubrication is an important part of your maintenance program.
Check if all chains must be replaced if any link has wear of 3% or more, or if any of the damaged conditions noted above are found during inspection.
Check if all chains are replaced as a set.
Check if new chains are lubricated when they are installed on the upright.
450 Hourly / 6 Monthly Forklift Maintenance
Check truck visually and inspect components
Test drive truck/check functional performance
Air clean truck and radiator
Check torque on critical fasteners
Lubricate truck
Replace LPG engine oil and filter
Replace Diesel engine oil and filter
Change Diesel fuel filter
Inspect / adjust fan belts
Engine Cooling System Maintenance
WARNING! Do not remove the radiator cap when the radiator is hot. STEAM from the radiator will cause severe burns. Do not remove the radiator cap to check the coolant level.
WARNING! Never remove the radiator cap while the engine is running. Stop the engine and wait until it has cooled. Failure to do so could result in serious personal injury from hot coolant or steam blowout and/or damage to the cooling system or engine.
NOTICE! Your lift truck cooling system is filled with a factory-installed solution of 50% water and 50% permanent type antifreeze containing rust and corrosion inhibitors. You should leave the solution in year around. Plain water may be used in an emergency, but replace it with the specified coolant as soon as possible to avoid damage to the system. Do not use alcohol or methanol antifreeze.
Engine coolant level between the HOT and COLD marks?
Coolant system free of leaks?
Engine oil free of coolant?
Coolant free of excessive contamination, rust or oil?
PM time interval for coolant change
Radiator cap rubber seal and radiator filler neck free of damage and clean?
Direction Control, Braking, and Inching Check
Ensure the travel area is clear in front of the truck.
Push firmly on the brake pedal. Release the parking brake. Move the directional control lever from NEUTRAL to FORWARD.
Remove your right foot from the service brake pedal and put it on the accelerator pedal. Push down until the truck moves slowly forward. Remove your foot from the accelerator pedal and push down on the service brake pedal to stop the truck. The brakes should apply smoothly and equally.
Ensure the travel area is clear behind the truck.
Put the directional control lever in the REVERSE travel position. Release the service brake and push down on the accelerator pedal until the truck moves slowly in the reverse direction. Remove your foot from the accelerator pedal and push down on the service brake pedal to stop the truck. The brakes should apply smoothly and equally.
Put the directional control in FORWARD. Press the inching pedal fully down and hold. Depress the accelerator. The truck should not move. Now, with the accelerator still depressed, slowly release the inching pedal until the truck inches forward smoothly and slowly.
Report any problems.
When you have completed the operational tests, park and leave the truck according to standard shut down procedure as described in Section 4 of this manual. Be sure to make a record of all maintenance and operating problems you find.
Access the parts list for your equipment in MaintainX.
Transmission Fluid MS-276A
2776236
Hydraulic Fluid MS-68
2776239
Transmission Fluid MS-276A
2776236
Hydraulic Fluid MS-68
2776239
Transmission Fluid MS-276A
2776236
Hydraulic Fluid MS-68
2776239
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