Repair
Repair Circuit Breaker Module
1. Follow Before Beginning Repair, page 52.
2. Using an ohmmeter, check for continuity across
the circuit breaker (top to bottom). If no continuity,
trip the breaker, reset, and retest. If there still is
no continuity, replace the breaker as follows:
a. Refer to Electrical Schematics, page 94.
b. Refer to the circuit breaker identification table
and electrical diagrams.
c. Loosen the screws connecting the wires
to the circuit breaker that will be replaced.
Disconnect wires.
d. Pull the locking tab ou t 1/4 in. (6 mm) and
pull circuit breaker away from the din rail.
Install the new circuit breaker. Insert wires
and tighten down all screws.
Table4H-30,H-XP2CircuitBreakers
Ref. Size Compone
nt Part No.
853 (CB
11) 50A, 1 po le Heated
Hose
17A319
854 (CB12)
20A, 2 pole Motor 17A314
855 (CB13)
40A, 2 pole Heater A 17A3 17
855 (CB14)
40A, 2 pole Heater B 17A3 17
855 (CB15)
40A, 2 pole Trans-
former Pri-
mary
17A317
Table 5 H-40, H -50, H-XP3 C ircuit Breakers
Ref. Size Component
Part No.
853 (CB11)
50A, 1 pole Heated
Hose
17A319
859 (CB12)
20A, 2 pole Motor
17G723
854 (CB13)
60A, 2 pole Heater A
17G724
854 (CB14)
60A, 2 pole Heater B
17G724
855 (CB15)
40A, 2 pole Trans-
former Pri-
mary
17A317
334946A 63