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TM 10-4320-311-14
Table 2-1. Operator Preventive Maintenance Checks and Services for Pumping Unit - Continued
B - Before
D - During Operation
A - After
Interval
Item
Item to be
Procedures
Equipment Is Not
No.
B
D
A
Inspected
Check for and have repaired/adjusted as necessary
Ready/Available
17
Decompression
Inspect for free movement of decompression lever (5).
Decompression
lever
lever is binding,
loose, damaged, or
missing.
18
Engine/Pump
Inspect engine/pump assembly (6) fittings, fuel lines, and
Components are
Assembly
electrical connections.
loose, damaged, or
missing, or leaks
are detected.
19
Engine Throttle
Engine throttle (1) pulls out, turns freely, and locks in
Engine throttle
place.
binds or does not
lock in place.
20
Recoil Starter
Inspect handle (2) and handle rope for damage or frayed
Handle and/or rope
Rope
rope.
is damaged or miss-
ing, or rope is
frayed
21
Heater Controls
Inspect indicator lamps (3), toggle switches (4), and cir-
Components are
cult breakers (5) for damage.
damaged or
missing
22
Suction
Inspect suction coupling (6) for missing gasket or
Coupling is dam-
Coupling
damage.
aged or gasket is
missing
2-13
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