Repair
3A2989V 27
Heaters
NOTE: See applicable heater manual for wiring, repair,
and parts information. See Warnings on page 4.
Service and Repair
1. Wait for heaters to cool before beginning to repair
the heaters.
2. Follow Pressure Relief Procedure, page 7.
3. Turn off power.
4. Disconnect fluid lines and electrical wiring from fluid
heater.
5. Refer to heater manual to service or repair heater.
6. Reconnect fluid lines and electrical wiring.
Replace
1. Wait for heaters to cool before replacing the heat
ers.
2. Follow Pressure Relief Procedure, page 7.
3. Turn off power.
4. Disconnect fluid lines and electrical wiring from fluid
heater.
5. System Module Heaters: See F
IG. 8. Loosen four
mounting screws, lock washers, and plain washers
on back of heater (12 or 13) that secure it to the sys
tem frame. Slide heater up and remove from mount
ing plate.
6. Feed Module Heaters: See page 57. Remove 2
screws (224) then remove heater (226) from feed
module frame.
7. Replace heater. Follow steps in reverse order to
install new heater.
F
IG. 8: Heaters on System Module