Figure 4-12. Carriage. removal and insulation.

TM 10-3930-630-12

(2) Place two pieces of wood at least two

(3) Remove screws (2 and 4, fig. 4-12),

inches (508 mm) thick under forks (one under front of

lockwashers (3) and spacers (5).

forks and one under carriage frame).

TA034797

1 Link

7 Bearing

2 Screw

8 Shim

3 Lockwasher

9 Shim

4 Screw

10 Carriage

5 Spacer

11 Stud

6 Screw

12 Stud

Figure 4-12. Carriage. removal and insulation.

(4) Refer to figure 4-10 and disconnect lift

tag shims as above.

chains from carriage.

(3) Inspect studs for damage. If studs require

(5) Start engine and raise mast until carriage

replacement, notify direct and general support

bearings clear inner mast channels.

maintenance.

e. Reassembly.

(6) Back lift truck away from carriage. Refer to

figure 4-1 and remove lift forks. Support carriage with

(1) Install shims (8 and 9, fig. 4-12) and

blocks.

bearings

d. Disassembly.

(7) on same studs as before disassembly.

(1) Remove screws (6, fig. 4-12) and remove

(2) Secure bearings on upper studs with

upper bearings (7) from studs. Count number of shims

screws (6).

Adjustment.

(8 and 9) used with each bearing. Tie shim groups

together and mark for correct installation.

(1) Use an inside spanning tool (fig. 4-13) and

(2) Remove remaining bearings from studs

determine narrowest point along channels of inner mast.

and

4-23