Graco Reactor A-25 Repair Parts page 24

Overtemperature Switch
1. Turn main power OFF
supply.
2. Relieve pressure, page 11.
WARNING
Read warnings, page 9. Wait for heaters to cool before
repairing.
24
. Disconnect power
3. Wait for heaters to cool.
4. Disconnect one leadwire from overtemperature
switch (208), F . 6. Test across switch with ohmme-
IG
ter. Resistance must be approximately 0 ohms.
5. If switch fails test, cut off clamps with wire clippers.
Remove switch. Install new switch in same location
on tube (201) and secure with hose clamps (203).
Reconnect wires.
If wires need replacement, disconnect from tem-
perature control board. See T
F . 4, page 21.
IG
Repair
3, page 20 and
ABLE
309813B