TM 9-2350-287-20-13-3. GROUND HOP PROCEDURES (continued).11.12.13.14.15.16.17.18.Dial 10 into TEST SELECT (49) on VTM (51), and press and release TEST button (48). VTM should nowdisplay engine rpm. Idle speed should be between 550 and 600 rpm.Idle powerpack between 550 and 600 rpm for about two minutes.Push throttle control lever (63) until engine speed increases to 1000 rpm.Continue to operate powerpack at 1000 rpm until ENGINEWATER Temperature gage (62) registers at least 185 F°.CAUTIONFailure to idle engine before shuttingengine down can result in damage toturbocharger.After power pack has reached normal operating temperature,release throttle control lever (63), and allow engine to idleat 550 to 600 rpm.Keep hands and clothing clear ofmoving parts when operating shutofflever. Failure to follow this warningcan result in severe injury or death topersonnel.To shutoff powerpack, pull and hold shutoff lever (64) untilpowerpack stops, then release lever (64).Turn MASTER switch (59) in vehicle to OFF.Pull VTM power switch (48) to OFF.3-27WARNING
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