TM-9-2320-273-34
TRUCK TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
DECEMBER 1980
TM-9-2320-273-34 - Page 34 of 801
TM 9-2320-273-34
Table 2-9. Steering System Troubleshooting Procedures (Continued).
MALLFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
OVERSTEER OR DARTING.
Step 1.
Disconnect the lower steering column from the steering gear and check both upper and
lower columns for binding.
Repair or replace defective column or universal joint. (Refer to TM
9-2320 -273-20.)
Step
2.
Disconnect the steering gear pitman arm and check front end components for binding.
Repair or replace defective component. (Refer to TM 9-2320 -273-20.)
Step 3.
Power steering gear flow control valve sleeve binding.
Replace steering gear (para 16-2 and 16-3).
HIGH STEERING EFFORT IN ONE DIRECTION.
Step 1.
(N/A M915) Check for crossed lines to the auxiliary power cylinder.
Install correctly (TM 9-2320-273-20).
Step 2.
Check for insufficient pump pressure per paragraph 16-4
Repair power steering pump (para 16-5 through 16-11).
Step 3.
Defective Teflon seals in the steering gear control valve.
Replace steering gear (para 16-2 and 16-3).
HIGH STEERING EFFORT IN BOTH DIRECTIONS.
Step 1.
Check for overloaded vehicle.
Reduce load.
Step 2.
Check fluid level in reservoir.
Fill to proper level (LO 9-2320273-12).
Step 3.
Check for clogged filter in the power steering pump reservoir.
Replace the filter. (Refer to TM 9-2320 -273-20.)
2-18
4.
5.
6.
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