TM 9-2320-260-34-1
Table 2-1. Mechanical Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 2. Check for broken piston or piston rings in power steering assist cylinder.
a. Replace piston, piston rings, or seals if broken or defective (para. 12-7).
b. If steering wheel is still hard to turn, proceed to step 3.
Step 3. Check front axle for defective steering knuckle bushings (para. 10-3). Replace steering
knuckle bushings if defective (para. 10-3).
END OF TESTING!
AIR COMPRESSOR
Confirm low air gage reading. Tee in known good gage.
a. Replace air gage if test gage reads normal value (TM 9-2320-260-20).
b. Replace air compressor if test gage reads low air pressure (para. 11-3).
END OF TESTING!
Slowly bleed and check reservoirs for evidence of oil (TM 9-2320-260- 10).
Replace air compressor if air tanks expel oil (para. 11-3).
END OF TESTING!
Check unloader valve and unloader valve spring for wear and defects.
Replace unloader valve or spring if worn or damaged (para. 11-4).
END OF TESTING!
Step 1. Ensure air compressor head fittings are correctly installed. Install air compressor head
fittings correctly if necessary (TM 9-2320-260-20).
Step 2. Ensure screws securing head are at proper torque (TM 9-2320-260-20).
a. Tighten head screws if necessary (TM 9-2320-260-20).
b. Proceed to step 3 if compressor head still leaks coolant.
Step 3. Replace air compressor (para. 11-3).
END OF TESTING!
