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TM 10-4320-348-14
Table 4-1. Unit Preventive Maintenance Checks For Pumping Unit. (Cont’d).
Location
Item
Item To
Not Fully Mission
No.
Interval
Check/Service
Procedure
Capable If:
Monthly
Inspect exhaust silencer (1) for visible
Exhaust silencer is cracked, has rust
cracks, rust, or pin holes. Check to make
or pin holes. Exhaust pipe is loose.
sure spark arrestor (2) is installed and
secure.
6
Semi-
Valve Rocker
annually
Arm Clear-
ance
Remove bolts (1) and rocker arm cover (2).
Rocker arm cover needs adjusted.
For detailed adjusting procedure, refer to
paragraph 4.32.
4-10
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