Operation and maintenance manual

Inspection, Maintenance and Adjustment

4-49

DX140R/DX140LCR

Change Pilot Filter

NOTE: Change pilot filter after first 250 hours of operation or

rebuild, and every 1,000 hours thereafter.

1. Park machine on firm and level ground. Lower the front

attachment to the ground and stop engine.

2. Lift the breather cap (1, Figure 81) slightly to release the

internal pressure.

3. Locate pilot system filter assembly.

4. Unscrew canister (2, Figure 84) and remove O-ring (3) and

filter cartridge (4).

NOTE: The canister will be

filled with oil. Use caution

when removing this assembly.

5. Insert a new filter cartridge and O-ring. Apply a small

amount o

f oil around the entire O-ring and install the

canister assembly onto the filter head (1, Figure 84).

NOTE: Us

ed filter should always be disposed of

according to local regulations.

6. After changing pilot filter, vent air from pump and check

level of hydraulic oil tank.

FG013895

Figure 83

WARNING

AVOID DEATH OR SERIOUS INJURY

The hydraulic oil will be hot after normal machine

operat

ion.

Allow the system to cool down before changing pilot filter.

Figure 84

DS1703795