TM 9-2350-247-20-1
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING
LUBRICATION INSTRUCTIONS — Continued
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Table 16. Semi-Annual Unit Level Preventive Maintenance Checks and Services for M548A1 and M548A3
ITEM
NO.
INTERVAL
MAN-
HOUR
ITEM TO BE
CHECKED OR
SERVICED
CREWMEMBER
PROCEDURE
EQUIPMENT
NOT READY/
AVAILABLE
IF:
1
Semi-
Annual
Road Test
NOTE
Be sure that all operator level PMCS in
your -10 have been completed prior to
performing unit level PMCS.
a. Perform a road test. Drive carrier at least 5
miles (8 km).
NOTE
When conditions prevent a road test,
perform engine idle (Step 82a. )and
governed no-load test (Step 83a. ).
Check instruments, gauges and warning lights
for normal indications as outline in your -10.
CAUTION
Do not allow engine to operate for
prolonged periods if outside air
temperature is less than 85 degrees F (29
degrees C) and gauge is above 200 degrees
F (93 degrees C), or outside air
temperature is above 85 degrees F (29
degrees C) and gauge is above 225 degrees
F (107 degrees C). Serious damage to
engine may result.
a
Semi-
Annual
Left and Right
Steering
CAUTION
Power plant can be damaged. Do not pivot
steer when carrier is moving except in a
track failure emergency.
a. Check steering in left and right turns. If carrier
does not finish a complete turn when wheel/
laterals is turned to left or right, troubleshoot
steering system (WP 0006 00).
Carrier does
not turn
properly.
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