Komatsu Komatsu Bulldozer D155A-6 D155A-6

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.

Immediately after the engine is stopped, the coolant is at a high temperature and the radiator is under high internal pressure.

If the cap is removed to drain the coolant in this condition, there is a hazard of burns. Wait for the temperature to go down, then turn the cap slowly to release the pressure before removing it.

Cleaning is carried out with the engine running. When standing up or leaving the operator's seat, set the work equipment lock lever and the parking lever to the LOCK position.

For details of starting the engine, see "CHECK BEFORE STARTING ENGINE, ADJUST (PAGE 3-95)" and "STARTING ENGINE (PAGE 3-116)" in the OPERATION section.

Never walk in front of the machine when the engine is running.There is danger of touching the fan.

It is extremely dangerous to go under the machine to clean it when the engine is running. There is danger that the machine may suddenly move. Never go under the machine when the engine is running.

Stop the machine on level ground when cleaning or changing the coolant.

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

WARNING: The oil is at high temperature immediately after operations, so wait for the temperature to go down before starting the operation.

The undercover is heavy. Do not go directly under the cover when opening or closing it.

Oil replacement amount: 146 liters (38.57 US gal)

Remove drain cover (1) on the left side of the power train case underside to take off drain plug (2), and then loosen drain plug (P1) to drain oil.

Tighten drain plug (P1) after draining oil.

Remove inspection cover (3) of the undercover on the bottom rear of the machine.

Remove drain plug (P2) in the strainer cover, and drain the oil (approx. 4 liters (1.06 US gal)) collected inside the piping.

Loosen mounting bolt (6) of the power train strainer, and remove cover (7).

Remove spring (8), then remove strainer (9).

Perform the following maintenance only after the first 250 hours.

Replace power train oil filter element

Wash strainers (power train pump strainer, scavenging pump strainer)

Replace hydraulic oil filter element

For details of the method of replacing or maintaining, see EVERY 500 HOURS, EVERY 1000 HOURS and EVERY 2000 HOURS SERVICE.

Sign off on the wheel loader maintenance