TM 55-1945-205-24-4
2-40. WATER HEATER PRESSURE RELIEF VALVE
This task covers:
a. Inspection
b. Removal
c. Installation
INITIAL SETUP
Tools
General Safety Instructions
General mechanic's tool set,
SC 5180-90
WARNING
Personnel Required
High voltage is present on this equipment.
Do not perform maintenance with power on.
MOS 63J (1)
Death or serious injury may result.
Materials/Parts
WARNING
Pressure relief valve
Pipe joint compound
The water vessel becomes hot during opera-
(Item 5, App C)
tion and injury may result from contact with
the water heater before it cools. Allow
Equipment Condition:
water heater to cool before servicing the
high-limit temperature control.
TM 10-3510-309-10, Tarp assembly
removed.
Water heater cool down.
INSPECTION
Inspect water pressure relief valve for damage and unusual leaks.
REMOVAL
WARNING
High voltage is present on this equipment. Do not perform maintenance with
power on. Death or serious injury may result.
WARNING
The water vessel becomes hot during operation and injury may result from contact
with the water heater before it cools. Allow water heater to cool before servicing
the high-limit temperature control.
1.
Turn off power limit switch (1) and disconnect power cable.
2-140
