Figure 4-46. Hydraulic reservoir. - TM-10-3930-631-120083

TM 10-3930-631-12

indicating line is in line with any portion of the green band

replacing the filter element cartridge.

on the indicator, the filter element is filtering properly.

(1) Remove sheet metal cover to gain

When the white indicating line is in line with any portion

access to the filter.

of the yellow band the element is becoming

(2) Place a suitable container below the

contaminated but is still providing sufficient filtration. The

filter to catch oil as cartridge is removed.

white line in any portion of the red band requires

(3) Unscrew cartridge (fig. 4-47) from filter

replacement of the element cartridge.

head. Discard cartridge.

b. Service. Service of the filter consists of

Figure 4-47. Hydraulic filter, installed view.

(4)

Clean interior of head and dry

inlet and outlet hoses from elbows in filter. Plug hoses to

thoroughly. Be sure no lint or foreign material is in head.

prevent entrance of foreign material.

(5) Install cartridge in filter head and tighten

(3) Slide indicator hose from fitting on filter.

snugly.

Disconnect other hose from elbow. Plug hose to prevent

(6) Operate truck hydraulic system and

entrance of foreign material.

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

(4) Remove two screws (fig. 4-47) and lock

oil if necessary to bring to full mark on gage.

washers securing filter to bracket. Remove filter.

c. Removal. Refer to figure 4-47 and remove the

(5) Remove elbows and hose fittings from

filter head.

hydraulic filter as follows:

d. Installation. Refer to b above to service filter

(1) Place a suitable container below filter to

and replace element if necessary.

catch oil.

(2) Loosen hose clamps and disconnect

4-54