Repair
34
309832D
Replacing over temperature
switch assembly
For replacement parts, see
Parts
, page 40.
1.
Turn on/off switch to OFF. Unplug tank unit.
2.
Remove tank cover, see
,
page 25.
3.
. 10. Using an ohmmeter, test over temper-
ature switch wires (AA, BB) at the wire terminal.
Ohmmeter should show open if switch is good. If
switch is bad, continue to step 4.
F
IG
. 10: Power supply
4.
. 10. On the back of the tank, remove two
8-32 x 1/2 in. screws (FF) on the power supply.
FF
AA
BB
5.
From top of power supply, disconnect motor wire
harness. Pull power supply away from the tank.
6.
Cut tape around insulation and remove.
7.
Remove screws (48) and pull switch assembly (47)
from tank. Disconnect switch assembly wires from
powers supply board. Check switch assembly with
ohmmeter. Switch should be open or infinite value
shown. If not, replace with new assembly.
8.
Reassemble new switch assembly in reverse order.
TANK BACK
48
47
Содержание THERM-O-FLOW T7 Series
Страница 36: ...Parts 36 309832D Parts Housing assembly 1 2 3 4 5 7 6 8 ti5398a 8 10 9 13 12 11 14 15 16 17 ...
Страница 41: ...Parts 309832D 41 ...
Страница 46: ...Schematics 46 309832D Base wiring ...
Страница 49: ...Technical Data 309832D 49 ...