TM 10-4610-234-13
Table 2-1. Operator Preventive Maintenance Checks and Services. (cont.)
Item
No.
25
26
27
28
29
30
31
Interval
Before
Before
Before
Before
Before
Before
Before
Location
Item To Check/
Service
Discharge
Hoses
Water Meter
Assembly
350 GPM
Pumping
Assembly
125 GPM
Connection Kit
Discharge
Hoses
Gate Valves
Check Valve
Procedure
a. Inspect hoses for cuts, tears,
and deep abrasions.
b. Inspect couplings for cracks and
bent or broken locking arms.
Inspect for cut, torn or missing cou-
pling gaskets. Check for missing
dust caps and plugs.
a. Inspect meter indicator for dam-
age, moisture on inside of glass
cover, and loose or missing
screws.
b. Check for loose or missing bolts
and nuts.
c. Inspect couplings for cracks and
bent or broken locking arms.
Inspect for cut, torn or missing cou-
pling gaskets. Check for missing
dust caps and plugs.
Refer to TM 5-4320-226-14 for
operator PMCS.
Inspect for loose coupling connec-
tions. Reconnect and lock loose
couplings.
a. Inspect hoses for cuts, tears,
and deep abrasions.
b. Inspect couplings for cracks and
bent or broken locking arms.
Inspect for cut, torn or missing cou-
pling gaskets. Check for missing
dust caps and plugs.
a. Inspect for loose or missing
hand wheel.
b. Inspect valve couplings for
cracks and bent or broken locking
arms. Inspect for cut, torn or mis-
sing coupling gaskets. Check for
missing dust caps and plugs.
c. Rotate hand wheel. Valve stem
should turn freely.
d. Check for loose or missing bolts
and nuts.
Inspect valve body for cracks and
leaks.
Not Mission
Capable If:
Hoses cut or torn.
Coupling damaged.
Gaskets damaged or
missing.
Indicator cracked.
Hardware missing.
Coupling or gasket dam-
aged. Gasket missing.
Hoses cut or torn.
Coupling damaged.
Gaskets damaged or
missing.
Hand wheel missing.
Coupling damaged.
Gaskets damaged or
missing.
Valve stem sticks or
binds.
Hardware missing.
Body cracked or leaking
(Class III).
2-10
