TROUBLESHOOTING AND ELECTRICAL SYSTEM: 800 AND 810 GAS
Test Procedures
Page 11-20
2007-2008 XRT 800, 810 and 850 Maintenance and Service Manual
11
TEST PROCEDURE 11 – STARTER/GENERATOR (GENERATOR FUNCTION)
See General Warning on page 1-1.
NOTE:
Perform Test Procedure 10 before proceeding with this test procedure.
Keep the battery connected while performing this test procedure.
1. Turn the key switch OFF and remove the key. Place the Forward/Reverse handle in the NEUTRAL posi-
tion. Chock the wheels.
2. Ensure that the wires are connected correctly and are tight. If they are not, rewire or tighten as necessary.
3. Disconnect the yellow wire from the DF terminal on the starter/generator. Cover the connector on the yel-
low wire to make sure the yellow wire will not short to ground. Then, using a jumper wire, ground the DF
terminal to the A2 terminal
(Figure 11-16, Page 11-18)
.
4. Using a multimeter set to 20 volts DC, place the red (+) probe on the positive (+) cable of the battery, and
place the black (–) probe on the negative (–) post. Start the engine and run it at full governed speed. The
reading should show the voltage rising on the meter. If the voltage rises, see Test Procedure 12 – Voltage
Regulator on page 11-20. If the voltage does not rise, and the diode was found to be functioning properly
in Test Procedure 10, a tear-down inspection of the starter/generator will be necessary.
See Starter/
Generator Removal, Section 13, Page 13-1.
5. Reconnect the yellow wire to the DF terminal on the starter/generator.
TEST PROCEDURE 12 – VOLTAGE REGULATOR
See General Warning on page 1-1.
NOTE:
Perform Test Procedures 10 and 11 before proceeding with this test procedure.
Keep the battery connected while performing this test procedure.
1. Turn the key switch OFF and remove the key. Place the Forward/Reverse handle in the NEUTRAL posi-
tion. Chock the wheels.
2. Check that the wires are connected correctly and are tight. If they are not, rewire or tighten as necessary.
Figure 11-18 Diode Test
Figure 11-19 Diode Test – Probes Reversed
2m
20
m
200
m
2k
200
200
200
200
20
2
200
m
500
20k
200k
2000
k
1000
OFF
WAVETEK
5XL
V
V
V
A
!
!
COM
200nA
MAX
1000 ---
750V
FUSED
DIODE
WHITE WIRE
RED WIRE
2m
20
m
200
m
2k
200
200
200
200
20
2
200
m
500
20k
200k
2000
k
1000
OFF
WAVETEK
5XL
V
V
V
A
!
!
COM
200nA
MAX
1000 ---
750V
FUSED
DIODE
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