Air Cleaner - TM-10-3930-609-120066

TM 10-3930-609-12

ME 3930-609-12/3-19

Figure 3-19. Hoist and tilt hydraulic system.

(3) Remove plugs from ports and caps

(2) Unscrew and discard air cleaner and

from hoses and connect hydraulic hoses to cylin-

gasket (fig. 3-21) from hydraulic tank.

ders.

b. Installation. Reverse procedures in a above.

(4) Check hydraulic fluid level in reservoir.

(5) After installation, operate tilt control

3-61. Filter Cartridges

lever several times to purge air from cylinders.

Two filters are used in the hydraulic system; one

Check cylinders and hose fittings for leakage

in suction line adjacent to pump, the other in

while operating.

return line from control valve, at left rear of hy-

(6) Retract both tilt pistons fully. With

draulic tank.

mast tilted 10o to rear of vertical and pistons

a. Return Filter Cartridge Replacement.

retracted fully, repeat step b above. Secure front

(1) Turn cartridge (fig. 3-22) from filter

end of tilt cylinders to upright brackets with

cover by hand.

shafts and attaching screws.

(2) Install new cartridge by reversing pro-

cedure in ( 1) above.

3-60. Air Cleaner

b. Suction Filter Element Replacement.

a. Removal.

(1) Unscrew filter housing (fig. 3-22)

(1) Remove truck floor plate (para 3-18).

from head and discard housing seal.

3-28