Hydraulic Filters (cont)

TM 9-2320-285-24-1

2-78. FIFTH WHEEL HYDRAULIC SYSTEM MAINTENANCE (CONT)

b. Hydraulic Filters and Lines and Fittings (cont).

(1) Hydraulic Filters (cont).

STEP

LOCATION

ITEM

ACTION

REMARKS

SERVICING (cont)

d. New suction

a. Coat

Apply thin film of clean

(cont)

line filter

gasket

hydraulic oil

element

b. Install

Hand tighten approximately

one turn

e. New return line

a. Coat

Apply thin film of clean

filter

gasket

hydraulic oil

element

b. Install

Hand tighten approximately

one turn

f. Hydraulic

Fill Para 2-78c

reservoir

REMOVAL

Cab

5th WHEEL lever

Push forward

To ensure that all pressure

is relieved

Left hand

a. Hydraulic

Drain

Para 2-78c

frame rail

reservoir

b. Return line

Remove and

Use oil filter tool; rotate

filter

discard

counterclockwise

element

c. Hose assembly

Disconnect

From return line filter head;

para 2-78b(2)

d. Suction line

Remove and

Use oil filter tool; rotate

filter

discard

counterclockwise

element

e. Hose assembly

Disconnect

From suction line filter

head; para 2-78b(2)

f. Suction line

Unscrew

From nipple

filter head

g. Hydraulic

Remove

Only if necessary to remove

reservoir

return line filter head;

para 2-78c

Hydraulic

Return line filter

Unscrew

From nipple

reservoir

head

2-878