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 TM 55-1905-220-14-9
4-67. HOT WATER HEATER - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARK
REPAIR (Cont)
5. Open drain (2).
Drain tank (4).
6. Disconnect piping
(25).
7. Replace cold water
3/4 brass pipe.
inlet (26).
8. Reconnect piping (25).
9. Close drain (2).
10. Turn cold water
a. As tank (4)
valve counterclock-
fills, air
wise to open and
will escape
fill tank (4) with
from relief
fresh water.
valve (3).
b. When water
flows from
relief valve
(3) the tank
(4) is full.
11. Close relief valve
(3).
12. Remove hose from
drain (2).
13. Place ON-OFF safety
switch (1) in the ON
position.
h. Drain
1. Turn cold water
supply valve clockwise
to shut off water
supply.
2. Place ON-OFF safety
switch (1) in the OFF
position.
3. Attach hose to drain
(2).
4-1452
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