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 TM 55-1905-219-14-9
4-65. HOT WATER HEATER - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
REPAIR (Cont)
WARNING
To prevent shock and possible injury, tag and place disconnect
switch in the OFF position.
NOTE
The removal and installation of the upper and lower
thermostatic switches are identical.
Water does not have to be drained to replace the
thermostatic switches.
b. Thermo-
1. Place the ON-OFF
stat
safety switch (1) in
switch
the OFF position.
2. Remove screws (5) and
cover plate (6).
3. Turn thermostat dial
Pull off dial
(12) to OFF and pull
without chang-
off.
ing the setting.
4. Tag and disconnect
two #18 wires (13).
5. Remove screws (14).
6. Remove thermostat
switch (15).
7. Install thermostat
switch (15) into well
carefully.
8. Install screws (14).
9. Remove tags and
reconnect #18 wires
(13).
4-1382
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