DX380LC-7
Inspection, Maintenance and Adjustment
4-46
Breaker Filter (If Equipped) - Replace
1.
Park machine on firm and level ground. Lower the front
attachment to the ground and stop engine.
2.
Tip the hydraulic oil tank breather cap up to release
pressure.
3.
Locate breaker filter assembly.
4.
Position a container under the filter assembly.
5.
Using a 36 mm wrench, unscrew filter housing from filter
bottom (Figure 43).
6.
Remove O-ring and back-up ring from filter head.
7.
Replace filter element (1, Figure 44).
8.
Apply a small amount of oil around the entire O-ring and
back-up ring and install the filter housing on the filter head.
•
Tool: 36 mm (
)
•
Torque: 30 N.m (3 kg.m, 22 ft lb) and turn 1/4
counterclockwise
9.
After changing breaker filter, vent air from pump and check
level of hydraulic oil tank.
Oil Bath Precleaner (If Equipped) - Change
1.
Remove oil cups (3 and 4) and removable filter (2).
2.
Clean the inner oil cup (3) and outer oil cup (4).
3.
Reassemble inner cup in outer cup and refill both cups to
indicated oil level (9.5 liters). The same oil specified for the
engine crankcase is generally acceptable.
DS1900858
Figure 43
WARNING
AVOID DEATH OR SERIOUS INJURY
The hydraulic oil will be hot after machine operation.
Allow the system to cool down before changing breaker
filter.
DS1603612
1
Figure 44
Figure 45
FG018320
1
2
3
4
Reference
Number
Description
1
Precleaner Housing
2
Screen Filter
3
Inner Oil Cup
4
Outer Oil Cup
