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 - Page 232 of 698
TM 9-2320-285-24-2
Section V.
STEERING SYSTEM MAINTENANCE
This section contains the information you will need to maintain the steering system.
It gives you information on how to troubleshoot problems and repair or
replace the components that are within the scope of direct support
maintenance.
Para
Troubleshooting Symptom Index.
....................................................................................................................
3-26
Steering System Troubleshooting .
..................................................................................................................
3-27
Steering System Maintenance.
........................................................................................................................
3-28
Steering Column.
.............................................................................................................................................
3-28a
Universal Joint.
...................................................................................................................................
3-28b
Tie Rod.
..............................................................................................................................................
3-28c
Power Steering Gear.
.........................................................................................................................
3-28d
Steering Linkage and Ball Sockets.
....................................................................................................
3-28e
Power Steering Pump
......................................................................................................................
3-28f
3-26.
TROUBLESHOOTING SYMPTOM INDEX
Para/Malfunction
Page
STEERING SYSTEM
Steering wheel stops turning before tractor front wheels
hit stop blocks .
...................................................................................................
3-27/1
3-226
Too much play in steering wheel.
..........................................................................................
3-27/2
3-227
Tractor wanders over road .
...................................................................................................
3-27/3
3-227
No recovery .
..........................................................................................................................
3-27/4
3-228
Shimmy.
.................................................................................................................................
3-27/5
3-230
Oversteering or darting.
.........................................................................................................
3-27/6
3-230
High steering effort in one direction.
......................................................................................
3-27/7
3-231
High steering effort in both directions.
...................................................................................
3-27/8
3-233
Lost motion at steering wheel.
...............................................................................................
3-27/9
3-234
Power steering pump not delivering oil.
.................................................................................
3-27/10
3-235
Power steering pump making noise .
.....................................................................................
3-27/11
3-236
3-27.
STEERING SYSTEM TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
STEERING WHEEL STOPS TURNING BEFORE TRACTOR FRONT WHEELS HIT STOP BLOCKS
Check that power steering gear sector shaft is centered.
a.
If not centered, center power steering gear sector shaft (para 3-28d).
b.
If centered, proceed to step 4 below.
3-226
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