TM-9-2320-285-24-1

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-9-2320-285-24-1

  TM-9-2320-285-24-1 - Page 6 of 987

TM 9-2320-285-24-1
Technical Manual
HEADQUARTERS
DEPARTMENT OF THE ARMY
No.
9-2320-285-24-1
Washington, D.C.
9
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.
VOLUME 1
Page
HOW TO USE THIS MANUAL .
...................................................................................
iii
CHAPTER
1
INTRODUCTION .
........................................................................................................
1-1
Chapter Overview .
.......................................................................................................
1-1
Section
I
General Information .
....................................................................................................
1-1
II
Equipment Description and Data .
................................................................................
1-3
III
Principles of Operation.
................................................................................................
1-5
CHAPTER
2
ORGANIZATIONAL MAINTENANCE PROCEDURES .
..............................................
2-1
Chapter Overview .
.......................................................................................................
2-1
Section
I
Service Upon Receipt .
.................................................................................................
2-3
II
Preventive Maintenance Checks and Services (PMCS).
.............................................
2-5
III
Troubleshooting Symptom Index .
................................................................................
2-11
IV
Engine, Fuel, Exhaust, and Cooling Systems Maintenance.
.......................................
2-17
V
Electrical System Maintenance.
...................................................................................
2-166
VI
Power Train Maintenance.
...........................................................................................
2-419
VII
Brake System Maintenance.
........................................................................................
2-518
VIII Wheels and Steering System Maintenance.
................................................................
2-643
IX
Frame and Towing Attachments, Shock Absorbers, and
Body and Cab Maintenance .
...............................................................................
2-672
X
Accessories Maintenance.
...........................................................................................
2-759
XI
Hydraulic Systems Maintenance.
.................................................................................
2-861
XII
Gages Maintenance.
....................................................................................................
2-906
XIII Preparation for Storage or Shipment .
..........................................................................
2-938
ALPHABETICAL INDEX .
.............................................................................................
Index 1
i


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