Komatsu Forklift Trucks FG30HTUS-14

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

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

CHANGE ENGINE OIL (See illustration)

1. Remove the drain plug, drain the oil, then reinstall and tighten the drain plug.

2. Add the specified amount of genuine Komatsu Forklift engine oil.

3. Check the oil level with the dipstick.

REPLACE ENGINE OIL FILTER (See illustration)

1. Using a filter wrench, remove the oil filter cartridge.

2. Clean the filter holder on the engine.

3. Coat the threads on the holder and the seal on the new filter with clean engine oil.

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)

32.1 REPLACING FUSES AND RELAYS 32.1.1 CHASSIS FUSES (ALL TRUCKS) NOTICE:

• When replacing the fuses, always turn OFF the electric power first (turn the starting switch to the OFF position).

• Always replace the fuses with a fuse of the same capacity.

The CHASSIS fuses are used to protect the electrical components and wiring from burning out and are located in a fusebox located to the left of the steering column and below the dashboard panel of dials and gauges.

1. Turn the starting switch to the OFF position.

2. Open the cover of the fuse box and replace necessary fuses inside. To remove the cover from the fuse box, push the side face of the cover lightly with your fingers and pull it out.

The fuse number in the tables below correspond from right to left in the illustration. Check the relationship between the fuses and the electrical components when replacing.

K21 AND K25 ENGINES ONLY (BX GAS AND LP TRUCKS)

Check operation of brake master cylinder, check for oil leakage, damage and wear

Check operation of wheel cylinders, check for oil leakage, damage and wear

Check operation of brake drum, check for damage and wear

Check operating condition of brake shoes

Check brake adjustment lever and ratchet for wear and damage

Check brake springs for deterioration

Check brake back plates for deformation and cracking, check mounting condition

Check air tightness of brake piping/tubing