Figure 4-4. Tilt cylinder.

1 Pivot shaft

16 Plunger rod

2 Tube assembly

17 Stuffing box

3 Nut

18 Packing set

4 Cotter pin

19 Adapter

5 Guide ring

20 Ring

6 Packing

21 Packing

7 Backup ring

22 Retainer

8 Packing

23 Screw

9 Packing cup

24 Packing nut

10 Backup ring

25 Cotter pin

11 Packing

26 Flat washer

12 Follower

27 Yoke

13 Screw

28 Cotter pin

14 Lockwasher

29 yoke pin

15 Retainer

30 Wiper

Figure 4-4. Tilt cylinder.

(3) Remove bleeder screw from cylinder case,

4-6. Lift Cylinder

and insert airhose. With lift control valve held in down

a. Description. The lift cylinder is a piston type

(forward) position, blow oil out of cylinder back into

cylinder assembly. The plunger is bolted to the roller

reservoir.

support in the inner mast. The chain sprockets are also

(4) Disconnect hydraulic lines at lift cylinder.

mounted on this roller support.

(5) Wrap chain securely around outer case of

In operation, the plunger is moved upward by force of

cylinder assembly below lift chain anchor flanges.

hydraulic pressure at the plunger base, raising the

Attach hoist to chain and take up slack.

inner mast and carriage.

(6) Remove 2 screws attaching plunger to

b. Removal.

roller support on inner mast.

(1) Lower fork carriage, and remove carriage

(7) Lift cylinder assembly gently, to clear both

backrest (para 4-8).

upper and lower ends of cylinder from mast assembly,

(2) Detach chains from cylinder TM 10-

and remove.

3930618-20.

4-8