Guardian 4389 Repair Manual page 136

SCHEMATIC, 7 KW HOME STANDBY
MODELS 4389-1 & 4389-2
ELECTRONIC
VOLTAGE
0
REGULATOR
162
DIAGRAM KEY
BA - BRUSH ASSEMBLY
BCR - BATTERY CHARGE RELAY
CB1 - CIRCUIT BREAKER, MAIN OUTPUT
CB2 - CIRCUIT BREAKER, ALT. EXCITATION
D - DIODE
FS - FUEL SOLENOID
F1 - FUSE 15 AMP
F2 - FUSE 5 AMP
HTO - HIGH OIL TEMPERATURE SWITCH
HM - HOUR RUN METER
IM - IGNITION MODULE
LOP - LOW OIL PRESSURE SWITCH
SC - STARTER CONTACTER
SP - SPARK PLUG
SW1 - AUTO / OFF / MANUAL SWITCH
SW2 - SET EXERCISE SWITCH
SM - STARTER MOTOR
TX - TRANSFORMER, 16 Vac 56 VA & 16 Vac 1 VA (DUAL SEC.)
REVISION: F-7994-B
DATE: 09/11/02
Page 134
3
1
BATTERY
CHARGER
13A
11
0
C2-1
77
BATTERY CHARGE
0
22
11
BA
22
FIELD
0
4
0
6
C2-11
6
CB2
C2-7
2
6
C2-8
2
DPE WINDING
(STATOR)
11
22
225B
224B
2
1
7 7
1
13A
77
WINDING
66
0
C2-4 HTO
55
ENGINE RUN
C1-4
WINDING
0
(STATOR)
C2-3
4
66A
0
CONTROL
PRINTED CIRCUIT
BOARD
PART 7
ELECTRICAL DATA
DRAWING #0D9014-B (1 OF 2)
F2
13A 13
F1
9 9
BCR
3 4
0
14
66
0
0
LOP
SW2
14
C1-3
85
86
4
351
66A
1 2 3 4 5
J2
23
J1
194
86
23
4
194
56
18
66A
15A
10
12 15
14 225
224
16
17
SCHEMATIC - DIAGRAM
DRAWING #: 0D9014
GROUP G
11
22
225A
224A
225
224
13
15
0
15
23
194
225
14
224
66A
239