Figure 4-38. Tilt cylinder, installed view.

TM 10-3930-631-12

(2) Loosen switch mounting screws and

move switch in or out as required. Switch rollers should

just touch grooves in actuators. Tighten switch mounting

screws.

(3)

Move control levers and check

adjustment.

(4) Connect battery receptacle and check

operation.

Pump should operate before cylinders

extend.

Switch Replacement.

If switch requires

replacement, disconnect battery receptacle and refer to

figure 4-37 and replace switch as follows:

(1) Disconnect wires from switch.

(2) Remove two mounting screws and

remove switch.

(3) Install new switch and secure with

mounting screws.

(4) Connect wires to switch.

(5) Check and adjust switch (c above) to

assure proper operation.

(6) Connect battery receptacle.

e. Control Lever Replacement. Refer to figure 4-

36 and replace control levers as follows:

(1) To replace lever knobs, remove knob

from lever.

(2) To replace lever, remove cotter pin and

yoke pin to disconnect lever from yoke.

(3) Remove retaining rings and remove

lever shaft from brackets and levers.

(4) Remove levers and spacing washers.

(5) Install new levers, with shaft through

brackets, levers and spacing washers. Secure shaft with

retaining rings.

(6) Connect yokes to levers with screws and

self-locking nuts.

4-54. Tilt Cylinder

Figure 4-38. Tilt cylinder, installed view.

a. General. Two tilt cylinders, one on each side of

the frame, provide power to tilt the mast.

(4) Support cylinder with a block of wood.

b. Removal. Remove the tilt cylinder as follows:

Remove cotter pins and remove yoke pin (fig. 4-39)

(1) Operate the tilt control lever (fig. 2-1) to

from yoke and mast.

tilt the mast forward. Connect a chain hoist to the mast

(5) Remove cylinder bolt and self-locking

to hold it in a forward position.

nut (fig. 4-38) securing rear of cylinder to frame.

(2) Remove floor and toe plates. Remove

(6) Remove cylinder from truck.

drip pan from underside of truck. Inspect tilt cylinders for

c. Installation. Install tilt cylinder in truck as

leaks and damage. Replace cylinders if necessary.

follows:

(3) Disconnect hose assemblies (fig. 4-38)

(1) Install tilt cylinder (fig. 4-38) in position

from elbows in cylinder. Plug hose and cylinder ports.

on truck. Install cylinder blot (fig. 4-38) through frame

and cylinder and secure with self-locking nut.

(2) Install pin (fig. 4-39) through mast and

yoke at front of cylinder. Secure pin with two cotter pins

(fig. 4-39).

4-46