State P6 40 20T4 W - Manual (Page 18)

Periodic Maintenance (cont’d)
16. Replace terminal cover on thermostat and fold insula-
tion back over the element making sure that the lock-
ing tabs on the terminal cover are in place.
17. Fold the insulation back in place so that it completely
covers the thermostat and element.
18. Replace access panel.
19. Turn “ON” electric power to water heater.
Drain Valve Washer
Replacement
NOTE: For replacement, use a 17 ⁄
32
" x 13 ⁄
64
" x 1 ⁄
8
" thick wash-
er available at your nearest hardware store.
1. Before beginning turn “OFF” the electrical power supply
to the water heater.
2. Follow “Draining” instructions. See “Draining” section.
3. Turning counter clockwise, remove the hex cap below
the screw handle.
4. Remove the washer and put the new one in place.
5. Screw the handle and cap assembly back into the drain
valve and retighten using a wrench. DO NOT OVER
TIGHTEN.
6. Follow “Filling the Water Heater” instructions in the
“Installing the New Water Heater” section.
7. Check for leaks.
8. Turn “ON” electric power to the water heater.
Service
If a condition persists or you are uncertain about the oper-
ation of the water heater, let a qualified person check it out.
Call a local plumbing contractor or qualified serviceman,
the local electric utility, or the local water utility.
18
WASHER
HANDLE AND
CAP ASSEMBLY
WARNING
HAZARD OF ELECTRICAL SHOCK! Before removing
any access panels or servicing the water heater, make
sure the electrical supply to the water heater is turned
“off”. Failure to do this could result in DEATH, SERIOUS
BODILY INJURY, OR PROPERTY DAMAGE.