TM 9-2320-279-10-1
Change 8
2-177
M977 Through M985 General Operating Procedures (Cont)
p. Shut Off Engine.
(1)
Park vehicle (para 2--11o).
CAUTION
Before shutting down engine, run at reduced speed (800
to 1000 rpm) at no-load for 3 to 5 minutes to allow
turbocharger to slow down and cool off. Turbocharger
may be damaged if not allowed to cool off.
(2)
Push down and hold throttle treadle (1) until tachometer (2) reads
800 to 1000 rpm.
(3)
Run engine for 3 to 5 minutes.
(4)
Lift foot off throttle treadle (1).
NOTE
S
Do steps (5) through (7) for Non-FHTV model
vehicles.
S
Do step (7.1) for FHTV model vehicles.
S
Engine stop switch is not used on FHTV model
vehicles.
(5)
Hold ENGINE STOP switch (3) all the way down until engine shuts
down. Buzzer will sound and OIL-WATER indicator (4) will light.
(6)
Release ENGINE STOP switch (3).
(7)
Turn ENGINE switch (5) to OFF. Buzzer will sound and OIL-WATER
indicator (4) will light.
(7.1)
Turn engine switch (5) to OFF.
(8)
Turn off lights (para 2-10).
