Replace Hydraulic Tank Oil Filter - Worldwide Construction And Forestry Division 380GLC Operator's Manual

Replace Hydraulic Tank Oil Filter

1. Park machine on a level surface with arm cylinder fully
retracted and bucket cylinder fully extended.
2. Stop engine.
CAUTION: High pressure release of oil from
pressurized system can cause serious burns
or penetrating injury. The hydraulic tank
is pressurized. DO NOT remove hydraulic
cap. Relieve pressure by pushing the
pressure release button (7).
3. To release pressure, push the pressure release button
(7).
4. Hold down hydraulic oil filter cover (8) against light
spring load when removing the last two cap screws.
5. Remove spring (3), valve (5), and filter element (4).
6. Remove and discard filter element and O-ring (6).
NOTE: Remove element, and inspect for metal particles
and debris in bottom of filter canister. Excessive
amounts of brass and steel particles can indicate a
hydraulic pump, motor, or valve malfunction, or a
malfunction in process. A rubber type of material
can indicate cylinder packing problem.
7. Install filter element, valve, and spring.
8. Install cover (1) and tighten cap screws (2) to
specification
Specification
Cap Screw—Torque......................................................................50 N·m
1— Cover
2— Cap Screw (6 used)
3— Spring
4— Filter Element
Maintenance—Every 1000 Hours
36.9 lb.-ft.
5— Valve
6— O-Ring
7— Pressure Release Button
8— Hydraulic Oil Filter Cover
3-9-2
Machine Position
Hydraulic Tank Cover
Hydraulic Filter Element
DB84312,0000148 -19-22AUG12-1/1
092221
PN=174