 |
|||
|
|
|||
|
Page Title:
C3/C4 Clutch Assembly and Main Housing Module Disassembly |
|
||
| ||||||||||
|
|
 TM 9-2320-303-24-2
TRANSMISSION OVERHAUL - CONTINUED
0248 00
MODULE OVERHAUL - CONTINUED
C3/C4 Clutch Assembly and Main Housing Module Disassembly
1.
Remove 14 bolts (1) securing C3/C4 clutch assembly (5).
2.
Remove C3 backplate assembly (2) from clutch assembly (5)
3.
Inspect and measure four thrust plates (4), backplate (2), and check 12 rivets (3) on clutch backplate. Perform the fol-
lowing measurements:
a.
Thrust plate thickness at contact surface: minimum allowable thickness is 0.1109 in (2.818 mm).
b.
Backplate distortion: maximum allowable distortion is 0.006 in (0.15 mm).
c.
Backplate step wear: maximum allowable wear is 0.005 in (0.13 mm).
If replacement is necessary, remove thrust plates (4) by drilling out rivets (3).
4.
Remove P1 ring gear (6) and inspect clutch splines of P1 ring gear. Maximum allowable spline wear is 0.015 in (0.38
mm).
5.
Remove and measure C3 clutch pack: five friction plates (7) and four steel reaction plates (8). Perform the following
measurements:
a.
Friction plate thickness: minimum allowable thickness is 0.137 in (3.48 mm).
b.
Friction plate: maximum allowable cone is 0.010 in (0.25 mm).
c.
Steel reaction plate thickness: minimum allowable thickness is 0.095 in (2.41 mm).
d.
Steel reaction plate: maximum allowable cone is 0.016 in (0.40 mm).
6.
Remove piston return plate (10) with four return springs assemblies (9) attached.
7.
Inspect and measure piston return plate (10). Minimum allowable thickness of plate is 2.162 in (54.91 mm).
8.
If return spring assemblies (9) are damaged and require replacement, remove them from piston return plate (10) by sep-
arating spring retainer (11) from piston (14).
9.
Remove seal rings (12 and 13) from piston (14). Discard seal rings.
10.
Remove C3 clutch housing assembly (17) from C3/C4 clutch assembly (5).
11.
Inspect and measure four thrust plates (15) on C3 clutch housing (17). Perform the following measurements:
a.
Thrust plate thickness at contact surface: minimum allowable thickness is 0.1109 in (2.818 mm).
b.
Backplate distortion: maximum allowable distortion is 0.006 in (0.15 mm).
c.
Backplate step wear: maximum allowable wear is 0.005 in (0.13 mm).
d.
Clutch housing splines: maximum allowable wear is 0.045 in (1.15 mm)
If replacement is necessary, remove thrust plates (15) by drilling out 12 rivets (16).
12.
Remove and measure C4 clutch pack: five friction plates (25) and five steel reaction plates (26). Perform the following
measurements:
a.
Friction plate thickness: minimum allowable thickness is 0.137 in (3.48 mm).
b.
Friction plate: maximum allowable cone is 0.010 in (0.25 mm).
c.
Steel reaction plate thickness: minimum allowable thickness is 0.095 in (2.41 mm).
d.
Steel reaction plate: maximum allowable cone is 0.010 in (0.25 mm).
13.
Remove piston return plate (23) with four return springs assemblies (24) attached.
14.
Inspect and measure piston return plate (23). Minimum allowable thickness of plate is 2.162 in (54.91 mm).
0248 00-28
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals