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 TM 55-1905-219-14-9
4-65. HOT WATER HEATER - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
REPAIR (Cont.)
To prevent possible shock and injury, tag and place disconnect
switch in the OFF position.
c.
ON-OFF
1. Remove external
safety
wiring.
switch
2. Remove Screws (16)
and cover plate
(17).
3. Remove screws (18).
4. Remove and replace
ON-OFF safety switch
(1).
5. Install screws (18).
6. Install cover plate
(17) and screws (16).
7. Install external
wiring.
NOTE
When the ON/OF'F Safety switch is operated with power ON,
the magnetic contactors should function.
d. Magnetic
1. Remove external wiring.
contac-
tors
2. Remove screws (16) and
cover plate (17).
3. Remove screws (18).
4. Remove ON-OFF safety
switch (1) and tag
and disconnect
attaching wires.
5. Remove screws (19).
4-1386
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