TM-9-2350-260-20-1-2 M60 Hull Organizational Maintenance Volume 2 Download
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TM 9-2350-260-20-1-2 2A ENGINE AND 2D ENGINE POWERPLANT TESTS (GROUND HOP) (Sheet 12 of 16) 14. If engine speed is over 2050 rpm, there is clutch slippage in transmission. Verify that shift control lever is in high (check control indicator position). Notify support maintenance. NOTE This test may also be used to determine if the low-range or reverse range transmission servobands are slipping. 15. Set transmission in low or reverse range by gasping shift control lever and pull or push lever to set indicator to selected range. CAUTION Do not do stall test for more than 30 seconds at full throttle or allow transmission oil temperature to go into red area on transmission oil temperature indicator. 16. Watch fabricated tachometer and operate engine at full throttle for no more than 15 seconds, three times. 17. If engine sped is below 1800 rpm after three checks, engine is not operating properly. Notify maintenance that check of engine performance is required. 18. If engine speed exceeds 2050 rpm, servobands are slipping. Verify that shift control lever is in selected range (check position of control indicator) and adjust forward or reverse servobands (page 11-4). Go on to Sheet 13 TA147963 5-63