TM 10-4610-244-13
TM 09476B-13/1
Table 4-1.
Unit Preventive Maintenance Checks and Services
for Hypochlorination Unit.
M - Monthly
Q - Quarterly
A - Annually
ITEM
INTERVAL
ITEM TO BE
PROCEDURE
NOT FULLY MISSION CAPABLE
NO.
CHECKED OR
IF:
SERVICED
1
Q
Y-strainer
Clean and inspect.
Clogged or damaged.
2
A
Upper housing
Clean and grease.
Assembly
SECTION IV. UNIT TROLIBLESHOOTING.
4-9.
INTRODUCTION. This section covers troubleshooting procedures which are for most frequent problems
encountered in operating hypochlorinatlon unit
4-10.
UNIT TROUIBLESHOOTING TABLE.
a.
Use of Table. Table 4-2 lists common malfunctions which could be encountered during operation or
maintenance of hypochlorination unit Tests, Inspections, and corrective actions should be made or taken in
order listed.
b.
Limitation This manual cannot list all the problems that may occur, or all tests. inspections, and corrective
actions If a problem is not listed. or Is not corrected after corrective actions are taken, notify Direct Support
Table 4-2.
Unit Troubleshooting.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
PROPORTIONING PUMP STOPS PUMPING
Step 1. Inspect suction valve
Make sure valve not clogged or damaged. If clogged, clean or replace If damaged, replace (Paragraph 4-
14)
4-6
