Hydraulic Lines and Line Oil Filter

on outside of nipple. Push hose over barbs as far as it

4-47. Hydraulic Lines and Line Oil Filter

will go and install clamp.

a. Hydraulic Lines. All hydraulic lines on the

forklift truck are soft lines, consisting of non-skive hose.

hose, clamp coupling socket in a vise. Turn hose

The suction hoses are fitted with barb-type couplings and

counter-clockwise into coupling socket until end of hose

the pressure hoses are fitted with reusable couplings.

is seated against bottom of socket, then back off quarter

(1) Inspection. Inspect the hoses for

turn. Oil threads on insert and inside of hose. Screw

cracks, deterioration, damaged threads, fraying,

insert clockwise into coupling socket and tighten.

abrasions and other damage; repair or replace damaged

b. Removal of line oil filter (fig. 4-15).

hoses.

(2) Repair.

(a) Use old hose to determine length.

(b) To assemble barb-type fitting to

hose, place fitting in a vise. Oil inside of hose and barbs

2. Drain plug

4. Boot

1. Oil reservoir

3. Thermostat

5. Return Line Filter

Figure 4-15. Hydraulic reservoir and line filter.

4-27