2.4 Circuit Protection
Ifthe generator set circuit breaker trips or the fuses blow
repeatedly, see Section 4, Troubleshooting, for possible
causes.
2.4.1 Line Circuit Breaker
A line circuit breaker interrupts the generator output in
the event of a fault in the wiring between the generator
and the load. The line circuit breaker location isshown
in Figure 1-1. See Figure 2-5 for the circuit breaker
ratings. If the circuit breaker trips, reduce the load and
switch the breaker back to the ON position. With the
breaker in the OFF position the generator set runs but
the generator output is disconnected from the load.
Model
8.5RES
12RES
Figure 2-5
Circuit Breaker
Rating, Amps
40
50
Line Circuit Breakers
2.4.2 Fuses
The engine harness contains two 1O-amp and one
20-amp inlinefuses. See Figure 2-6. Another 10-amp
fuse protects the battery charger.
Always identify and correct the cause of a blown fuse
before restarting the generator set. Refer to Section 4,
Troubleshooting, for conditions that may indicate a
blown fuse. Replace blown fuses with identical
replacement parts.
Part
Fuse Label Number
Auxiliary Winding F1 292937
Relay Interface F2 223316
Board
Controller F3 358337
Battery Charger -- AGS 10
Location
Lead 55
Lead PF2
Lead PF1
Battery charger DC
lead. See Section 2.5.
Figure 2-6 Fuses
2.5 Battery Charger
The generator set is equipped with a 6-amp
float/equalize battery charger to maintain the engine
starting battery. The charger's power cord must be
connected to a 120 VAC power source. Figure 2-7
illustratesthe battery charger.
The battery charger uses an AGS 10 inline fuse. The
fuse is located in the battery lead. See Figure 2-7.
2 F 4
3
1. LED indicators
2, Battery leads, 12 VDC
3, Fuse
4, AC power cord
Figure 2-7 6-Amp Float!Equalize Battery Charger
TP-6195 1/04 Section 2 Operation 7
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