Caterpillar Forklift DP18N

(1) Check the belt for contamination with oil, grease and dust. Replace the belt if required. When the contamination is slight, remove it and clean with rag or wiping paper. Do not use gasoline, oil or any other solvent to clean the belt.

(2) During engine overhaul or belt tension adjustment, closely check the belt’s condition. Replace the belt with a new one if it has any sort of damage.

Apply a force of 98 N (10 kgf) [22 lbf] perpendicularly to the belt at a point midway between the fan pulley and tension pulley. Adjust the tension so that belt deflection becomes between 11 to 13 mm (0.43 to 0.51 in.).

When connecting the hoses to the radiator, fit their ends fully on the fittings and secure them with clamps. Make sure that each hose is correctly connected and prevented from disconnection by the flare of the fitting.

Fill the radiator with coolant containing antifreeze. Start and operate the engine to let it warm up while checking for abnormal noise. Make sure that the quantity of coolant is as specified by checking the level in the reserve tank.;

Control Valve Assembly Inspection after Disassembly

Check valves for burrs, scratches, dents and other surface defects.

(1) Check that all moving and sliding contact parts move smoothly.

(2) Check for clogged orifices.

(3) Replace springs if they are broken or bent. Measure the free length of springs.;

Upload a photo of the spring scale attached to the steering wheel

Steering Valve Inspection after disassembly

Check for sliding movement in sub-assembly condition

Check sliding surfaces for defects

If any defect found, replace the unit

Simplex Mast Inspection after disassembly (all models)

(1) Check each roller for wear, binding or other defects.

(2) Check each roller on rolling surface for pitting or other defects.

(3) Check the mast member and the welded joints of crossmembers, shafts and supports for cracks.

(4) Check the mast support bushings for wear or other defects.

(1) Check the main rollers and side rollers for smooth rotation. Inspect each roller for wear and cracks.

(2) Check the welded portions of the bracket for cracks.

The following parts should be periodically changed as noted below.

These parts are made of materials which will deteriorate overtime. Further, it is difficult to determine visually whether or not they are still in good condition. Changing at proper intervals will reduce the risk of injury to the operator and damage to the truck.

2000 service hours or 1 year, whichever comes firstRubber parts of brake master cylinder:

• Rubber parts of brake master cylinder

• Rubber parts of brake wheel cylinders

2000 to 4000 service hours or 1 to 2 years whichever comes first:

• High pressure hoses of hydraulic system