TM-9-2320-285-24-2

TRUCK TRACTOR, YARD TYPE, 43,500 LB GVW, DED, 4X2, ARMY MODEL M878A1

TECHNICAL MANUAL; ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

OCTOBER 1985
TM-9-2320-285-24-2

  TM-9-2320-285-24-2 - Page 6 of 698

TM 9-2320-285-24-2
Technical Manual
HEADQUARTERS
DEPARTMENT OF THE ARMY
No. 9-2320-285-24-2
Washington, D.C. 14 October 1985
TECHNICAL MANUAL
ORGANIZATIONAL, DIRECT
SUPPORT AND GENERAL SUPPORT
MAINTENANCE MANUAL
TRUCK TRACTOR, YARD TYPE
43,500 LB GVW, DED, 4X2,
ARMY MODEL M878A1
(OTTAWA MODEL 50)
REPORTING OF ERRORS
You can help improve this manual. If you find any mistakes or if you know of a way to improve the
procedures, please let us know. Mail your letter, DA Form 2028 (Recommended Changes to Publications
and Blank Forms), or DA Form 2028-2 located in back of this manual direct to:
Commander, US Army
Tank-Automotive Command, ATTN:
DRSTA-MT, Warren, MI 48397-5000 . A reply will be furnished to
you.
Page
CHAPTER
3
DIRECT SUPPORT MAINTENANCE PROCEDURES
..................................................
3-1
Chapter Overview
.........................................................................................................
3-1
Section
I.
Engine and Cooling Systems Maintenance.
...................................................................
3-2
II.
Electrical System Maintenance.
......................................................................................
3-34
III.
Power Train Maintenance.
..............................................................................................
3-89
IV.
Brake System Maintenance
..........................................................................................
3-153
V.
Steering System Maintenance
......................................................................................
3-226
VI.
Frame and Towing Attachments, Springs, and Body and Cab
Maintenance
.................................................................................................................
3-294
VII.
Accessories Maintenance.
..............................................................................................
3-399
VIII.
Hydraulic Systems Maintenance
...................................................................................
3-407
IX.
Pre-Embarkation Inspection of Material in Units Alerted for
Overseas Shipment .
.......................................................................................................
3-475
CHAPTER
4
GENERAL SUPPORT MAINTENANCE PROCEDURES
..............................................
4-1
Chapter Overview
.........................................................................................................
4-1
Section
I.
Engine and Fuel System Maintenance.
..........................................................................
4-1
II.
Power Train Maintenance.
..............................................................................................
4-2
APPENDIX A
REFERENCES
...............................................................................................................
A-1
B
MAINTENANCE ALLOCATION CHART
.......................................................................
B-1
C
EXPENDABLE SUPPLIES AND MATERIALS LIST
.....................................................
C-1
D
TORQUE LIMITS
...........................................................................................................
D-1
E
ELECTRICAL, HYDRAULIC, AND PNEUMATIC DIAGRAMS
.....................................
E-1
F
GLOSSARY
....................................................................................................................
F-1
G
ILLUSTRATED LIST OF MANUFACTURED ITEMS
....................................................
G-1
ALPHABETICAL INDEX
................................................................................................
Index 1
i/(ii blank)


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