TM 9-2350-247-10PREVENTIVE MAINTENANCE CHECKS AND SERVICES — Continued 0057 00ITEMNO.INTERVALMAN-HOURITEM TO BECHECKED ORSERVICEDCREWMEMBERPROCEDUREEQUIPMENTNOT READY/AVAILABLEIF:b. Check sprockets teeth for wear. Use profilegauge to measure sprocket teeth. If any part ofsprocket tooth does not extend beyond gauge,notify unit maintenance.Any sprockettooth failsgauge test.c. Check cushions for wear and damage. Ifcushions appear to be moving on sprocket hub,notify unit maintenance. If track shoes arecontacting sprocket hub flange, a thumpingsound will be heard. Cushions should bereplaced.0057 00-68
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