Quantcast Direct Support Mechanical Troubleshooting - continued - TM-9-2320-386-24-1-20033

 

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Direct Support Mechanical Troubleshooting - continued - TM-9-2320-386-24-1-20032
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/.5ton/TM-9-2320-386-24-1-2 Extended Service Program (ESP) for 2-1/2-Ton 6x6 M44A3 Series Trucks (Diesel) Manual
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Direct Support Mechanical Troubleshooting - continued - TM-9-2320-386-24-1-20034
TM 9-2320-386-24-1-2
0293 00
Direct Support Mechanical Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 2. Check axle housing condition. Inspect axle housing for external evidence of gear oil.
a. If axle housing has pinhole leaks, repair (TM 9-237) or replace (TM 9-2320-361-34).
b. If axle housing is cracked or damaged, replace (TM 9-2320-361-34).
END OF TESTING!
38. DIFFERENTIAL LEAKS OIL AT COMPANION FLANGE
Step 1. Check through-shaft for free play.
a. Place end of prybar between differential housing and companion flange. Apply pressure to
prybar.
b. If companion flange moves, inspect input and output bearings and adjust bearing
preload (TM 9-2320-361-34).
Step 2. Check companion flange for damage or wear.
a. Disconnect propeller shaft (TM 9-2320-361-20) and remove companion flange (TM 9-2320-361-34).
b. Inspect seal surface for nicks, gouges, or corrosion that could damage seal. Check for wear
grooves.
c. If inspection reveals any of the above symptoms, replace companion flange and oil seal
(TM 9-2320-361-34).
TIRES AND WHEELS
39. ABNORMAL TIRE WEAR (FRONT AXLE)
Check condition of steering knuckle sleeve bushings and end play (TM 9-2320-361-34).
a. If steering knuckle sleeve bushings are defective, replace (TM 9-2320-361-34).
b. If steering knuckle end play is excessive, adjust by replacing with correct shim(s)
(TM 9-2320-361-34).
c. If steering knuckle end play remains excessive, replace sleeves or axle housing
(TM 9-2320-361-34).
END OF TESTING!
40. ABNORMAL TIRE WEAR (REAR AXLE)
Check rear end frame and suspension alignment (TM 9-2320-361-34).
If alignment is incorrect, adjust (TM 9-2320-361-34).
END OF TESTING!
STEERING GEAR
41. EXCESSIVE PLAY IN STEERING
Step 1. Check steering knuckle for defects (malfunction 39).
Step 2. Check steering gear for defects. Inspect for excessive free play (TM 9-2320-361-20).
a. If steering gear free play is excessive, adjust (WP 0182 00).
b. If steering gear free play remains excessive, replace (WP 0349 00) or repair
(TM 9-2320-361-34).
END OF TESTING!

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