Komatsu Bulldozer D155A-6

Warning: The accumulator is charged with high-pressure nitrogen gas, so mistaken operation may cause an explosion, which will lead to serious injury or damage.

Replace the accumulator every 2 years or every 4000 hours, whichever comes sooner.

Check play of turbocharger rotor.

Check engine valve clearance, adjust.

Check water pump for leakage of oil or water, and check for clogging of breather hole (drain hole) (1).

Check vibration damper for deformation of the surface and signs of leakage of damper oil.

Check for looseness of high-pressure clamp, hardening of rubber.

Check for missing fuel spray prevention cap, hardening of rubber.

Sign off on the 4000 Hourly Wheel Loader Maintenance

CHANGE OIL IN HYDRAULIC TANK, REPLACE HYDRAULIC OIL FILTER ELEMENT

Steps to change oil in hydraulic tank

Steps to clean engine breather element

CHECK ALTERNATOR, STARTING MOTOR

The brushes may be worn or the bearing may have run out of grease, contact your Komatsu distributorfor inspection and repairs.

CHANGE OIL IN DAMPER CASE, CLEAN DAMPER BREATHER

Steps to change oil in damper case, clean damper breather

CHECK PIVOT BEARING OIL LEVEL, ADD OIL

Contact your Komatsu distributor for the following tasks

High-pressure piping clamps replaced

Fuel spray prevention cap replaced

WARNING: After the engine has been operated, all parts are at high temperature, so do not replace the filter immediately. Wait for all parts to cool down before starting the operation.

NOTICE: Genuine Komatsu fuel filter cartridges use a special filter that has highly efficient filtering ability. When replacing the filter cartridge, always use a genuine Komatsu part.

When carrying out inspection or maintenance of the fuel system, pay more attention than normal to the entry of dirt. If dirt is stuck to any part, use fuel to wash it off completely.

Set a container to catch the oil under filter cartridge

Using the filter wrench, turn transparent cap to the left.

Using the filter wrench, turn filter cartridge to the left to remove it.

Remove seal from transparent cap, then clean the cap.

Coat new seal with clean fuel or oil, then install it to transparent cap.

Install transparent cap to new filter cartridge.

1. Lower the work equipment to the ground, then stop the engine.

2. Using a grease pump, pump in grease through the grease fittings shown by arrows.

3. After greasing, wipe off any old grease that was pushed out.

Greasing equalizer bar side pins (2 places)

Left and right sides of machine: 1 places each

1) Remove all soil and mud from the top of track frame and cover (1).

2) Climb on top of the straight frame and remove the cover from (A) between the track frame and track shoe.

3) Carry out the greasing from the top of the track shoe.