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TM 5-2420-222-34
8-4.
TRANSMISSION COUNTERSHAFT AND BEARING SUPPORT MAINTENANCE.
This Task Covers:
a.
Removal
d.
Repair
b.
Disassembly
e.
Assembly
c.
Cleaning and Inspection
f.
Installation
Initial Setup:
Equipment Conditions:
Materials/Parts:
•
Gear shifters and shifter shafts removed (see
•
Rags (Item 28, Appendix B)
paragraph 8-10). •
Dry cleaning solvent (Item 31, Appendix B)
•
Two special washers
Tools/Test Equipment:
Personnel Required: Two
•
General mechanic's tool kit
•
Field automotive shop set
General Safety Instructions:
References:
•
Dry cleaning solvent is flammable and must not be
•
TM 9-214
used near open flame. Use only in a well-ventilated
area.
a.
REMOVAL
1.
Bend locking tabs of clamp (24) away from two screws (23) and remove screws, two screws (4), two special
washers (5), and clamp. Discard special washers.
2.
Using retaining ring pliers, remove retaining ring (17) from groove in countershaft (8) and slide off splines.
3.
Rotate thrust washer bearing (18) on countershaft (8) until splines aline, then slide thrust washer bearing off
splines.
4.
Pry bearing support (6) away from transmission (12) and two sleeve bushings (14).
NOTE
Note position of parts during removal to ensure proper installation.
5.
With the aid of an assistant, remove countershaft (8) with assembled bearing support (6), retaining ring (17), thrust
washer bearing (18), low range bevel gear (19), sleeve (11), thrust washer bearing (10), collar (9), two plugs (27),
springs (26), and spacer rings (25) from needle bearing (15), transmission (12), and drive gear (13).
6.
Using retaining ring pliers, remove retaining ring (16) from needle bearing (15), transmission (12), and drive gear
(13).
7.
Remove needle bearing (15) from transmission (12).
CAUTION
Do not remove sleeve bushings unless damaged. Removal may damage parts.
8.
Using hammer and punch, drive sleeve bushings (14) out of transmission (12).
8-20
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