TM 9-4940-568-20
2-10
2-9. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
TABLES (CONT).
Table 2-1. Unit Level Preventive Maintenance Checks and Services (PMCS) (CONT).
Item
No.
Interval
Item to Be
Inspected
Procedure
Not Mission
Capable If:
2
3
1
Semi-
Annual
Pre-
Service
Checks (cont.)
b.
Listen for unusual engine noise. Be alert
for excessive vibrating and the smell of
burning oil. Check AC voltage gage (2) for
proper output.
Engine knocks, rattles,
or smokes
excessively. No AC
output.
NOTE
Run air compressor for five minutes or
until air reservoir reaches 175 psi
(1207 kPa).
c.
Notice if air compressor (3) engages
smoothly and does not stall generator engine.
Listen for air leaks.
d.
Listen for belt or motor noise during
operation.
