0011 00
TM 5-5430-248-13&P
Table 1. Operator's Preventive Maintenance Checks and Services for 500 Gallon Water Drum
(Continued)
ITEM
INTERVAL
ITEM TO BE
PROCEDURE
EQUIPMENT NOT
NO.
CHECKED OR
READY/AVAILABLE IF:
SERVICED
1. Gasket is missing
Valve coupler not installed onto the drum.
or damaged.
2. Handwheel is
Check both valve couplers for:
cracked/
1. Missing or damaged gasket (1).
damaged.
2. Cracked or damaged handwheel (2).
3. Loose or missing
3. Loose or missing handwheel nut (3).
handwheel or
4. Damaged or missing pull rings (4).
packing nut.
5. Fingertight packing nut (5).
4. Damaged/missing
6. Cracked or broken valve body (6).
pull rings.
7. Looseness of cam arm assemblies
5. Loose cam arms.
(7).
6. Handwheel can
8. Binding or excessive looseness of
not be turned.
valve stem by turning handwheel (8).
7. Valve is dirty.
9. Clean inlets/outlets (9), and body (6).
9
Valve coupler installed onto the drum. (WP
Cam arms will not
Check both valve couplers for cam arms
lock properly.
Before
Valve Coupler
locking/unlocking properly.
3
0011 00-3