Komatsu Forklift Truck FG20SHT-14

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

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.

Check and adjust fuel injection pressure

Check and adjust atomizing condition of nozzles

Sign off on the forklift trucks maintenance

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

Check wheel rims for deformation, cracking and damage

Check wheel bearings for play and abnormal noise

Check hydraulic cylinders for looseness, deformation, cracking, damage and wear

Check all piping/tubing/connectors for oil leakage, deformation or damage

Check operation of hydraulic cylinders

Check hydraulic drift of lift cylinder

Check hydraulic drift of tilt cylinders

Check movement of work equipment control lever(s)

Check forks and fork stopper for deformation, cracking, damage and wear

Replace engine oil filter cartridge (gasoline and diesel engines)

Check, adjust engine intake and exhaust valve clearance

Tighten (retorque) engine cylinder head bolts