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 540 of 1258
1 1 - 5 . STEERING GEAR REPA
I R
This task covers:
a.
Disassembly
e.
Rack Piston Group Inspection and Repair
b.
Cleaning
f.
Valve and Adjuster Group Inspection and Repair
c.
Housing Group Inspection and Repair
g.
Assembly
d.
Pitman Shaft Inspection and Repair
h.
Adjustment
a. Disassembly
1.
Hold adjuster screw (10) and remove lash adjuster nut (1).
2.
Remove four capscrews (2) from side cover (3) and housing (4).
3.
Unscrew side cover (3) from adjuster screw (10).
4.
Remove gasket (11) from side cover (3). Discard gasket (11).
5.
Insert punch through access hole (6) and force retaining ring (9) out. Discard retaining ring (9).
6.
Rotate stub shaft (5) counterclockwise to force end plug (8) from housing (4).
7.
Rotate stub shaft (5) clockwise and remove O-ring (7). Discard O-ring (7).
8.
Remove plug (12) from rack piston (13).
9.
Rotate stub shaft (5) to center and remove pitman shaft (14) from housing (4).
INITIAL SETUP:
To o l s
____
General mechanic's tool kit:
automotive (Appendix G, Item 1)
Special To o l s
__________
Adjuster plug bearing remover/installer
(Appendix G, Item 97)
Pitman shaft bearing r e m o v e r / i n s t a l l e r
(Appendix G, Item 98)
Spanner wrench (Appendix G, Item 99)
Rack piston arbor (Appendix G, Item 100)
M a t e r i a l s / P a rt s
_____________
Adjuster plug seal service kit
(Appendix E, Item 1)
Valve ring seal service kit
(Appendix E, Item 212)
Rack piston seal service kit
(Appendix E, Item 137)
Pitman shaft seal service kit
(Appendix E, Item 133)
Side cover seal service kit
(Appendix E, Item 201)
M a t e r i a l s / P a rts (Cont'd)
____________________
End plug seal service kit
(Appendix E, Item 177)
Crocus cloth (Appendix B, Item 10)
Grease (Appendix B, Item 22)
Hydraulic fluid (Appendix B, Item 24)
Manual Refere n c e s
________________
TM 9-2320-280-20
TM 9-2320-280-24P
TM 9-214
Equipment Condition
_________________
Steering gear removed (TM 9-2320-280-20).
Maintenance Level
_______________
Direct support
TM 9-2320-280-34
1 1 - 8
Change 1
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