Generac Power Systems MC - Manual (Page 45)

SECTION 2.3
BATTERY CHARGE CIRCUIT
CHARRING CURRENT
TESTS
1,)- Plug the black (-) test lead
into the "-10A" jack on the VOM.
Plug the red (+) test lead into
the "+10A" jack on the meter. Set
the meter range switch to ”10 Amps”
(dual position with 10 MA).
3.)-Start the alternator. With
the engine running, remove the 15
Amp Fuse from its holder. With
the Fuse removed, the alternator
should indicate a current output
dependent on battery condition.
2.)-Locate the 15 Amp Fuse inside
the alternator control panel. Co­
nnect the red meter test probe to
the Wire 15 terminal on the Fuse
Holder, Connect the black test
probe to the Wire 13 terminal on
the Fuse Holder.
RESULT:- Ammeter indicates a current output..........Discontinue tests
No current output indicated.,.,..... .......... Continue tests
CIRCUIT BREAKER CB-2
Disconnect Wires No, 77 and 78 from
the battery charge circuit breaker
(CB-2). Set VOM to ”+DC” and to ”Rxl”
scale, then zero the meter. Connect
the meter test probes to the circuit
breaker terminal studs. Meter needle
should swing upscale to zero. If it
does not swing upscale, replace the
circuit breaker.