Hydraulic Oil Filter

TM 10-3930-628-12

the contactor box. Hose assemblies lead from the

control valve to the filter and from the filter to the

reservoir.

b. Service. Service of the filter consists of

replacing the filter element. Remove sheet metal cover

at right side below seat. Refer to figure 4-31 and service

the filter as follows:

(1) Place a suitable container or rags below

filter to catch oil as element is removed.

(2) Unscrew body (10) from filter head (7).

Remove element (8) from body.

(3) Clean head and interior of body and in-

spect for nicks and defects.

(4) Inspect packing (9) in groove in body.

Replace if necessary.

(5) Install new element (8) in body and new

packing (9) if required.

(6) Install body (10) in filter head (7) and

tighten snugly.

(7) Operate truck hydraulic system and check

filter for leaks. Check level of oil in reservoir and add oil

to bring to full mark on gage.

Removal. Remove sheet metal cover.

Refer to figure 4-32 and remove oil filter as follows:

(1) Place a suitable container below filter to

Figure 1-.30. Hydraulic reservoir breather. exploded

catch oil. Loosen hose clamps and disconnect hose

view.

assemblies from both sides of head. Plug hoses to

4-51. Hydraulic Oil Filter

prevent entrance of foreign material.

General. The micron-type hydraulic oil filter

(2) Remove two screws (4, fig. 4-31) and lock

is mounted above the control valve on the right side of

washers (5) securing filter head (7) to bracket (3) and

remove complete filter assembly.

(3) Remove two elbows from filter head.

KEY to fig. 4-31:

1. Nut

2. Lock washer

3. Bracket

4. Screw

5. Lock washer

6. Screw

7. Head

8. Filter element

9. Packing

10. Body

4-30