2019 CLARK S20C IC Cushion 50-250 hours Daily Maintenance

It is recommended to:

• Drain and replace the engine crankcase oil every 500 operating hours. (depending on application). Contact your nearest CLARK Dealer for further information.

• Engine Oil Filter must be changed at every PM when the oilis changed.

• Remove the oil pan drain plug to drain old oil after the truckhas been in operation and the engine (oil) is at operating temperature.

• Carefully check for leaks after changing oil and installing new filter.

check the coolant system for leaks.

• Check engine oil for presence of coolant leaking into engine.

• Inspect the coolant for condition. Look for excessive con-tamination or rust or oil in the coolant solution.

• Check the PM time interval for need to change coolant.

• Check the condition of radiator cap rubber seal and radiatorfiller neck for damage. Be sure they are clean.

• Check overflow hose for clogging or damage.

Hour Meter

• Start the engine and let it warm up until it runs evenly and accelerates smoothly when you push on the accelerator pedal.

• Check the hour meter for operation with the engine running. Write the hour meter reading on the PM report form. Report any malfunction or damage.

Indicator Lights

• Check that all lights are functioning and indicate normal truck operation as described in Section 3, “Operator Compartment and Controls,” in this manual.

Be sure that the driver's overhead guard and any safety devices are in :

• place

• undamaged

• attached securely

Be sure that the travel area is clear in front of the truck.

• Push firmly on the brake pedal. Move the directional control lever from NEUTRAL to FORWARD.

• Remove your right foot from the service brake pedal and put iton 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. Be sure 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.

Upright and Tilt Cylinder Lubrication

• Clean the fittings and lubricate the tilt cylinder rod end bushings (forward end) and both the base rod-end bushings (rear end).

• Clean and lubricate the upright truncation bushings U

Lift Chains

• Lubricate the entire length of the upright rail lift and carriage chains with CLARK Chain and Cable Lube.

Critical items include:

• Drive axle mounting

• Overhead guard

• Drive and steer wheel mounting

• Tilt cylinder mounting and yokes

• Counterweight mounting

• Upright mounting and components

Check carriage or attachments and forks.

• Inspect the load forks for cracks, breaks, bending, and wear.

• The fork top surfaces should be level and even with each other.

• The height difference between both fork tips should be no more than 1.5% of the blade length.

If the fork blade at the heel is worn down by more than 10%, the load capacity is reduced and the fork must be replaced.

• Inspect the forks for twists and Shank bends

• .Put a 50mm(2") - thick metal block, at least 100mm(4") wide by 600mm(24") long with parallel sides, on the blade of the fork with the 100mm(4") surface against the blade.

• Put a 600mm(24") carpenter's square on the top of the block and against the shank.

• Check the fork 500mm(20") above the blade to make sure it is not bent more than 25mm(1") maximum.

• If the fork blades are obviously bent or damaged, have them inspected by a trained maintenance person before operating the truck.

• Inspect the fork locking pins for cracks or damage. Reinsert them and note whether they fit properly.