TM-9-2320-272-24-2
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 2 OF 4
JUNE 1998
TM-9-2320-272-24-2 - Page 45 of 991
TM 9-2320-272-24-2
3-227. PITMAN ARM REPLACEMENT (ROSS)
THIS TASK COVERS:
a. Removal
b. Installation
INITlAL SETUP:
APPLICABLE MODELS
All
TOOLS
General mechanic’s tool kit (Appendix E, Item 1)
MATERIALS/PARTS
Cotter pin (Appendix D, Item 85)
Locknut ( Appendix D, Item 273)
REFERENCES (TM)
TM 9-2320-272-10
TM 9-2320-272-24P
EQUIPMENT CONDlTlON
Parking brake set (TM 9-2320-272-10).
1.
Remove cotter pin (6) from slotted nut (5). Discard cotter pin (6).
2.
Remove slotted nut (5) from drag link (4).
3.
Remove locknut (3) and screw (1) from pitman arm (7). Discard locknut (3).
4.
Remove pitman arm (7) from steering gear shaft (2) and drag link (4).
NOTE
Ensure pitman arm and steering gear shaft alignment marks
match.
1.
Install pitman arm (7) on steering gear shaft (2) and drag link (4).
2.
Install pitman arm (7) on steering gear shaft (2) with screw (1) and new locknut (3).
3.
Install pitman arm (7) on drag link (4) with slotted nut (5). Tighten slotted nut (5) 140 lb-ft (190 N•m).
4.
Install cotter pin (6) on slotted nut (5) and drag link (4).
3-653
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