Hydraulic Tank Filter

TM 10-3930-222-20

(7)

Remove pin (2) and washers (1 and 3) that

(5)

Pull valve (6) from relief valve (4) and spring

secure tilt cylinder assembly to truck and

(5) and disconnect valves from spring.

remove cylinder from truck.

(6)

Remove spring (5) from relief valve (4).

b. Installation. Reverse procedures in a above.

Inspection.

(1) Check filter assembly for broken parts and

c. Adjustment.

The end rod must be properly

replace defective parts with new or

adjusted to prevent binding when the cylinder rod

serviceable ones.

reaches the end of its stroke or "bottoms" Adjust as

(2) Replace element as needed.

follows:

(1) Loosen setscrew in rod end so that the rod

d. Assembly. Reverse procedures in b above.

can be turned.

(2) Actuate the tilt lever control until one of the tilt

e. Installation. Reverse procedures in a above.

cylinder rods reaches the end of its stroke of

"bottoms".

(3) Adjust the other cylinder by turning the rod

83. Hydraulic Lift Chains

until it reaches the end of its stroke or

"bottoms".

a. Adjustment. The lift chains must be kept in proper

(4) The rod may be turned a little to line up the

adjustment so that the weight of the load is distributed

flat portion of the rod with the setscrew in the

equally on both chains. Adjust the chains as follows:

rod end.

(1) Tilt the upright to its true vertical position.

(5) Be sure the rod threads are fully engaged in

(2) Lower the upright to its extreme lower

the rod end.

position.

(3) Adjust the stop nuts on the chain ends so that

82. Hydraulic Tank Filter

the length of chains are equal and the heels of

both forks are just touching the floor.

a. Removal. Refer to figs. 87 and 88 and remove

(4) Check operation of the fork lift.

filter as follows:

(1) Remove the floor plates.

b. Cleaning. Wash the chains in SD and dry.

(2) Remove the seat panel.

Lubricate according to Lubrication Order (fig. 1).

(3) Remove the capscrews and lockwashers that

secure bracket to the valve bracket and truck

c. Inspection. Inspect the chains for pitted or broken

frame and remove the bracket.

rollers, elongation, and defective connecting links.

(4) Disconnect and remove the air cleaner and air

Report defects to higher authority.

cleaner breather pipe from hydraulic tank.

(5) Disconnect hydraulic lines and vent line at

84. Load Forks

hydraulic filter manifold.

(6) Remove capscrews that secure manifold to

a. Removal. Refer to figure 89 and remove load

filter assembly and remove manifold and

forks as follows:

gasket.

(1) Unscrew capscrews and lockwashers that

(7) Remove capscrews and lockwashers that

secure the keeper plate to the carriage and

secure filter assembly to tank and remove

remove plate.

filter assembly.

(2) Slide fork pin from carriage.

(3) Remove fork from carriage.

b. Disassembly.

(4) Repeat procedure in (1) through (3) above to

(1) Remove screws (9, fig. 88) that secure can

remove remaining fork.

(8) and head (1) and separate can and head.

(2) Remove gasket (2) from head.

b. Installation. Reverse procedures in a above.

(3) Remove spring (3) from head.

(4) Remove element (7) from can.

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