TM-9-2350-311-20-1

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS

AUGUST 1994

TM-9-2350-311-20-1 - Page 202 of 1275

TM 9-2350-311-20-1

3-3 TROUBLESHOOTING CHART — CONTINUED

g. TRACKS AND SUSPENSION — CONTINUED

(4) VEHICLE RIDE IS ROUGH OR SUSPENSION

SYSTEM IS NOISY DURING OPERATION —

CONTINUED

CONTINUED FROM STEP A

NOTE

Roadwheels which are hot to the touch indicate a

bearing problem.

B

Immediately after road test, check roadwheel

hubs with the back of your hand for excessive

heat.

Are roadwheel hubs at normal operation

temperature?

components as required (para 10-10,

Check final drive sprockets for excessive wear

(para 10-21).

Are final drive sprockets free of excessive wear?

sprockets as required (para 10-21).

CONTINUED ON NEXT PAGE

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