Komatsu Bulldozer D85EX-15

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.

Prepare the following. Refill capacity: 60 liters (15.85 US gal)

Remove drain cover (1) at the bottom Right of the power train case, then loosen drain plug (P) and drain the oil.

After draining the oil, tighten drain plug (P).

Remove inspection cover (2) in the undercover at 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 (5) of the power train strainer, then remove cover (6).

Remove spring (7), then remove strainer (8).

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

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

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

CHECK ALTERNATOR DRIVE BELT TENSION, ADJUST

Check the standard deflection for the drive belt is approx.13 to 16 mm (0.51 to 0.63 in) when pressed by thumb (approx 99.1N {10 kg}) at a point midway between the drive pulley and alternator pulley.

Loosen bolts (1) and nuts (2), (4), and (5), then turn nut (4) and adjust the belt tension.

After adjusting, tighten bolts and nuts (2), (4), and (5), to secure alternator (3) in position.

WARNING: Immediately after the engine is stopped, the oil and parts are at high temperature, and may cause burns. To prevent this, wait for the temperature to go down before starting the operation.

Before opening the filter cases, depress the brake pedal several times to release the pressure, then lock the brake pedal. If there is still pressure inside the filter, oil may spurt out.

Open the engine side cover on the left of the machine.

Remove bolts (1) and cover (2) is lifted up, then take out element (3).

Clean inside of the case and the removed parts, then install a new element.

Replace the O-ring with a new one.

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. When removing bolts (5), carry out the operation at the rear of the point immediately under the cover so that it is possible to escape at any time.

Remove drain cover (1) at the bottom Right of the power train case, then loosen drain plug (P) and drain the oil.

WARNING: Parts and oil are at high temperature immediately after the engine is stopped and may cause serious burns. Wait for the oil temperature to go down before performing this operation.

Prepare a socket wrench and filter wrench.

Covers at the bottom left at the front of the machine and on the side face removed?

Drain plug (P) loosened and oil drained?

Observations on the drained oil

Filter cartridge (1) removed using a filter wrench?

New filter cartridge filled with clean oil and installed?

Oil added through oil filler (F) until the oil level is between the H and L marks on the dipstick (G)?

See Section "B REGULATION AREA (PAGE 4-18)".

REPLACE HIGH-PRESSURE PIPING CLAMPS

Contact your Komatsu distributor to have the engine high-pressure clamps replaced.

REPLACE FUEL SPLAY PREVENTION CAPS

Contact your Komatsu distributor to have the fuel spray prevention cap replaced.;