Komatsu Forklift Trucks FG18STLS-17

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)

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)

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

Every 2 weeks or every 100 hours service

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