Test 9 - Test Stator - Generac Power Systems GP Series Diagnostic And Repair Manual

b. Connect the other meter test lead to the
ground terminal.
c. Infinity or "Open" should be measured.
Figure 4-17. Diode Test Step 6
See Figure 4-18.
8.
a. Connect one meter test lead to one terminal of
resistor R1.
b. Connect the other meter lead to the remaining
terminal of resistor.
c. Approximately 25 ohms should be measured.
14
WIRE 14
REMOVED
14
R1
4
4
Figure 4-18. Diode Test Step 9
Connect one meter test lead to the top terminal of
9.
resistor R1.
Connect the other meter test lead to the ground
10.
terminal.
a. Infinity or "Open" should be measured.
Connect the six pin connector, or wires to
11.
terminals.
Diagnostic Repair Manual
004610
D2
004611
Connect the C1 connector.
12.
Connect the two wires removed from resistor R1.
13.
Results
If the diode or resistor failed any step it should be
1.
replaced.
Test 9 – Test Stator
Procedure
Disconnect wires 11 and 44 from the 50 amp circuit
1.
breaker.
Disconnect wire 22 from the 50 amp receptacle.
2.
Disconnect connector C1. See
3.
Component Identification
Set DMM to measure resistance.
4.
Connect the meter test leads across stator leads
5.
11 and 22.
a. Normal power winding resistance should be
measured.
Connect the meter test leads across stator leads
6.
44 and 22.
a. Normal power winding resistance should be
measured.
See Figure 4-19 for the following steps.
Connect the meter test leads across stator leads
7.
11S (pin 1) and stator lead 44S (pin 2) at the C1
connector female side.
a. Normal power winding resistance should be
measured.
OLDER
77A
66A
2
6 5
7 8
55
6
Figure 4-19. C1 Connector, Female Side
Connect the meter test leads across stator leads
8.
66A (pin 4) and stator lead 77A (pin 5) at the C1
connector female side.
a. Normal battery charge winding resistance
should be measured.
Connect the meter test leads across stator leads 2
9.
(pin 6) and stator lead 6 (pin 7) at the C1 connector
female side.
Section 4 AC Diagnostic Tests
Control Panel
for connector location.
44S
22S NEWER
55A
11S
4 3 2 1
9 10 11 12
0
77
66 4
004642
41