TM-9-2320-280-34
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
JANUARY 1996
TM-9-2320-280-34 - Page 942 of 1258
TM 9-2320-280-34
18-3.
TRANSFER CASE REPAIR (Model 218)
This task covers:
a.
Disassembly
c.
Inspection
b.
Cleaning
d.
Assembly
INITIAL SETUP:
Tools
Materials/Parts
General mechanic's tool kit:
Rear output shaft seal (Appendix E, Item 181)
automotive (Appendix G, Item 1)
Front output shaft seal (Appendix E, Item 186)
Dial indicator (Appendix G, Item 95)
Seal, washer kit (Appendix E, Item 196)
Locknut (Appendix E, Item 52)
Special Tools
Input shaft seal (Appendix E, Item 179)
Rear output shaft bearing installer
Mainshaft O-ring seal (Appendix E, Item 110)
(Appendix G, Item 57)
Pinion adapter O-ring seal (Appendix E, Item 107)
Rear retainer bearing installer
Sector shaft O-ring seal (Appendix E, Item 108)
(Appendix G, Item 62)
Anaerobic gasket sealer (Appendix B, Item 49)
Front output shaft front bearing installer
Petrolatum (Appendix B, Item 38)
(Appendix G, Item 58)
Silicone sealant (Appendix B, Item 43)
Front output shaft front bearing remover
Sealing compound (Appendix B, Item 50)
(Appendix G, Item 59)
Transfer case support stand (Appendix C, Fig.
4)
Front output shaft rear bearing installer
(Appendix G, Item 56)
Manual References
Bearing remover set (Appendix G, Item 73)
TM 9-2320-280-24P
Input gear bearing remover
(Appendix G, Item 60)
Equipment Condition
Input gear bearing installer
Transfer case removed (para.
8-3).
(Appendix G, Item 61)
Slide hammer adapter (Appendix G, Item 55)
Maintenance Level
Yoke seal installer (Appendix G, Item 54)
General support
Annulus gear bushing remover
(Appendix G, Item 64)
Annulus gear bushing installer
(Appendix G, Item 65)
Driver handle (Appendix G, Item 34)
Mainshaft bearing installer
(Appendix G, Item 63)
a.
Disassembly
1.
Remove capscrew (2), clamp (3), pinion adapter (1), and driven gear (5) from transfer case (6).
2.
Remove O-ring (4) from pinion adapter (1).
Discard O-ring (4).
3.
Remove two nuts (9), seal washers (8), and output yokes (7) from transfer case (6).
Discard seal
washers (8).
4.
Mark rear retainer (13) and transfer case (6) for assembly.
5.
Remove six capscrews (14) and rear retainer (13) from transfer case (6).
6.
Insert screwdrivers in two notches (15) in rear retainer (13) and remove rear retainer (13) from
transfer case (6).
7.
Remove differential shim(s) (12) and speedometer drive gear (11) from rear output shaft (10).
Tag
shim(s) (12) for assembly.
18-2
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