TM-9-2350-277-10 Operator Manual M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-10 PREVENTIVE MAINTENANCE CHECKS AND SERVICES — Continued 0090 00 ITEM NO. INTERVAL MAN- HOUR ITEM TO BE CHECKED OR SERVICED C R E W M E M B E R PROCEDURE EQUIPMENT NOT READY/ AVAILABLE IF: 0090 00-87 Change 3 c. Check sprocket teeth for wear. Use the profile gauge on old style drive sprockets (T130) to measure sprocket teeth. If any of the sprocket teeth does not extend beyond gauge or wear indicator (on newer sprockets), notify unit maintenance. New style (T150) sprocket teeth have wear gauge as part of the sprocket. If only one side of sprocket shows wear, notify unit maintenance to reverse sprockets. d. (T130, T150) Check cushions for wear and damage. If cushions appear to be moving on sprocket hub, notify unit maintenance. If track shoes are contacting sprocket hub flange, a thumping sound will be heard. Cushions should be replaced. Notify unit maintenance. Any sprocket tooth fails gauge test or is worn to the wear indicator.