TM 10-4610-234-13
Table 4-1. Unit Preventive Maintenance Checks and Services. (cont.)
item
No.
7
8
9
10
11
12
13
14
Interval
Quarterly
Quarterly
Quarterly
Quarterly
Quarterly
Quarterly
Quarterly
Quarterly
Location
Item To Check/
Service
Suction Hoses
(all sizes)
Water Meter
Assembly
Check Valve
Water Tank
Chest
20K Water
Tanks
Hypochlorination
Unit
125 GPM Pump
Assembly
350 GPM Pump
Assembly
Procedure
a. inspect for cuts, tears and deep
abrasions.
b. Inspect for crushed or collapsed
hose.
c. Inspect coupling for cracks, bro-
ken locking arms, and missing gas-
kets.
d. Inspect for missing dust cap
and/air plug.
a. Inspect meter cover for cracks.
b. Inspect meter indicator dials for
damage.
Inspect check valve body for
cracks.
Inspect for broken panels, cracks
and broken latches.
Inspect water tanks in accordance
with TM 5-5430-226-12.
Inspect hypochlorination unit
in accordance with TM
5-4610-233-13&P.
Inspect 125 GPM pump in accor-
dance with TM 5-4320-304-14 or
TM 10-4320-309-14.
Inspect 350 GPM pump in accor-
dance with TM 5-4320-226-14.
Not Mission
Capable If:
Section IV. UNIT TROUBLESHOOTING PROCEDURES
Page
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-6
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
4.9 INTRODUCTION.
a. Table 4-2 lists the common malfunctions which you may find during operation or maintenance of the
40K Water Distribution System or its components. You should perform the tests/inspection and correc-
tive actions in the order listed.
b. This manual cannot list all malfunctions that may occur, nor all tests or inspections and corrective ac-
tions. If a malfunction is not listed or is not corrected by listed corrective actions, notify your supervisor.
4.10 TROUBLESHOOTING.
Refer to Table 4-2.
4-6
