TM 9-2350-261-20-1
Table 2-1. Unit Level Preventive Maintenance Checks and Services for M113A2 FOV
Item Interval Item To
No.
Be
Inspected
Procedure
Not Mission
Capable If:
4
Semi-
Governed
Run engine at 800 rpm for 3-5 minutes
Annual No-Load
with range selector in 2-3 range and
Test
brakes locked until normal operating
temperature is reached.
If outside air temperature is less than
85° F (29°, normal operating tem-
perature should be 160° to 200° F (71°
to 93°C If outside air temperature is
greater than 85° (29°C, normal oper-
ating temperature should he 160° to
230° F (71° to 110°C.
With engine quick-disconnect lever in
NEUTRAL, slowly open throttle con-
trol until accelerator is fully de-
pressed.
When you suspect a faulty gover-
nor, do not exceed 3,000 rpm en-
gine speed for more than 2 or 3
seconds.
Engine speed may exceed 3,000 rpm
Governor cuts in
momentarily, but should stabilize at
and out, or surges at
2,925 to 2,975 rpm.
this speed, adjust-
5
S e m i - S t a ll
ments are needed.
The stall check will tell you if the
Annual
Check
power plant is producing maximum
Notify higher main-
tenance level.
power. If it is not, the check will tell
you whether the engine or transmis-
sion is at fault.
NOTE
If check fails and a faulty tachom-
eter is suspected, verify tachom-
eter reading by performing STE-
ICE check number 10 (page 3-
284) before sending to next higher
leve1 of maintenance.
Run engine at 800 rpm for 3-5 minutes
with range selector in 2-3 range and
brakes locked until normal engine op-
erating temperature is reached
If outside air temperature is less than
85° C (29° C), normal operating tem-
perature should be 160° to 200° F (71°
to 93° C).
2-44 Change 4