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 TM 10-3930-621-34
b. Disc and Drum Assembly.
(6) Remove needle bearing (10) and sealing ring
(16) from input shaft (8).
(1) Remove disc and drum assembly from
(7) Remove forward piston (17), four drive pins
transmission assembly (para 6-3 a).
(21), 24 springs (19), and forward disc assembly (20).
(2) Refer to figure 6-7 and disassemble as follows.
(8) Remove forward piston sealing ring (6).
(3) Place assembly in arbor press. Apply pressure
(9) Turn drum (22) over and remove large retaining
on input shaft (8) until forward cylinder (3) is depressed
ring (2).
enough to remove retaining ring (2) from drum (22).
(10) Remove reverse cylinder (15) and sealing ring
(4) Slowly release pressure on input shaft (8) and
(16) which is located on the small inside hub of the
remove forward cylinder (3) with input shaft attached,
cylinder.
keeping it in alinement to prevent binding in the drum
(11) Remove reverse piston (17) and sealing ring
(22). If forward cylinder (3) binds, tap with rawhide
(6).
hammer until released.
(12) Remove reverse disc assembly (18) from
(5) Separate input shaft (8) from forward cylinder
(3) by removing attaching eight screws (9)
1.
Clutch assembly
9. Screw
16.
Sealing rings
3.
Forward cylinder
11. Retainer
18.
Reverse disc assembly
4.
Locking plate
12. Bolt
19.
Springs
5.
Screw
13. Lock washer
20.
Forward disc assembly
6.
Sealing ring
14. Sealing rings
21.
Pins
7.
Retaining ring
15. Reverse cylinder
22.
Drum
8.
Input shaft
Figure 6-7. Disc and drurn assembly, exploded view.
6-8
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