TM 9-2350-287-20-1
3-3. 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 now
display 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 ENGINE
WATER Temperature gage (62) registers at least 185 F°.
CAUTION
Failure to idle engine before shutting
engine down can result in damage to
turbocharger.
After power pack has reached normal operating temperature,
release throttle control lever (63), and allow engine to idle
at 550 to 600 rpm.
Keep hands and clothing clear of
moving parts when operating shutoff
lever. Failure to follow this warning
can result in severe injury or death to
personnel.
To shutoff powerpack, pull and hold shutoff lever (64) until
powerpack stops, then release lever (64).
Turn MASTER switch (59) in vehicle to OFF.
Pull VTM power switch (48) to OFF.
3-27
WARNING