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 - Page 929 of 987
TM 9-2320-285-24-1
Section XII.
GAGES MAINTENANCE
This section contains the information you need to maintain the:
•
Speedometer
•
Tachometer
•
Pressure Gages
•
Hourmeter
It gives you instructions on how to troubleshoot
problems and repair or replace the components that are
within the scope of organizational maintenance.
Para
Para
Troubleshooting Symptom Index.
..................
2-80
Tachometer Maintenance .
.............................
2-86
Speedometer Troubleshooting.
.....................
2-81
Pressure Gages Maintenance .
......................
2-87
Tachometer Troubleshooting .
.......................
2-82
OIL PRESS Gage .
....................................
2-87a
Pressure Gages Troubleshooting.
.................
2-83
AIR PRESS Gage .
....................................
2-87b
Hourmeter Troubleshooting.
..........................
2-84
FUEL Gage .
..............................................
2-87c
Speedometer Maintenance .
..........................
2-85
WATER TEMP Gage .
...............................
2-87d
Hourmeter Maintenance
2-80.
TROUBLESHOOTING SYMPTOM INDEX
Para/Malfunction
Page
SPEEDOMETER
Pointer moves erratically or scraping noise is heard .
........................................
2-81/1
2-907
TACHOMETER
Tachometer inoperative or does not indicate correct
engine speed .
.................................................................................................
2-82/1
2-908
PRESSURE GAGES
WATER TEMP, OIL PRESS, or FUEL gage inoperative.
..................................
2-83/1
2-908
AIR PRESS gage doesn't indicate correct air pressure.
....................................
2-83/2
2-909
HOURMETER
Hourmeter inoperative .
......................................................................................
2-84/1
2-910
2-906
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