Komatsu Forklift Trucks FG25HT-14

Warning: This maintenance check requires trained personnel with PPE!

To prevent improper adjustment by untrained personnel, load and speed control screws have tamper-proof caps.

Adjust fuel injection pressure if necessary

Check atomizing condition of nozzles

Adjust atomizing condition of nozzles if necessary

Sign off on the 1000 hourly forklift trucks maintenance

Clean the “bronze mesh” LPG filter every 600 hours of operation or every 3 months of service, whichever comes first.

Replace the filter element every 2,400 hours of operation or every 12 months, whichever comes first.

In dusty operating conditions, carry out maintenance as often as possible.

1. Carefully remove the LPG filter (8) from the filter cover (10) located on the lower portion of the LPG Solenoid Valve. Use care not to damage the O-ring (9).

2. Clean bronze mesh filter with suitable cleaning solvent.

3. While wearing eye protection, blow out and dry the filter.

4. Reinstall the cleaned filter. Ensure that the O-ring is properly seated and gently tighten cover screws

Inspect PCV valve and hoses (gasoline engine)

Change oil in hydraulic tank, replace line filter, clean strainer, clean inside of tank

Change oil in engine oil pan and replace engine oil filter cartridge (gasoline and diesel engines)

Check, adjust engine intake and exhaust valve clearance

Tighten (retorque) engine cylinder head bolts

Check air cleaner and replace element/filter if dirty

Inspect and clean fuel filter sock ( not replaceable) (gasoline engine)

Change oil in TORQFLOW transmission case and clean TORQFLOW transmission strainer

Change oil in differential case (includes oil in transmission case on clutch-type lift trucks)

Check spark plugs for burning of electrode, burning of insulator (gasoline & LP engines)

CAUTION: If water gets into the electrical system (controller, sensor, connectors, etc.) it will cause malfunctions or operational failure. Do not wash the electrical system with water or high-pressure steam.

Turn the starting switch key to the OFF position, then remove the key.

Wash each part (1 to 4 parts in the figure at right), following the instructions in the table on the following page.

Dry off all wet areas with an air blower.

After checking that the washed parts have dried out, insert the starting switch key and turn it to the ON position, make sure that there is no abnormality, and then start operation.

Sign off on the forklift trucks cleaning

Check steering link for bending, damage and wear

Check steering knuckle for play, deformation and damage

Check for marked variation in minimum turning radius

Change oil in differential case (clutch-type lift trucks, include transmission case)

WARNING: Watch out for HOT OIL. Immediately after operations, the oil will be very hot. Wait for the oil temperature to go down before starting this maintenance operation.

Remove the oil filler plug, then remove the drain plug and drain the oil.

After draining the oil, reinstall and tighten the drain plug and add the specified amount of Komatsu Forklift oil through the oil filler.

After filling with new oil, check the oil level.

Change oil in TORQFLOW transmission case