TROUBLESHOOTING AND ELECTRICAL SYSTEM: 850 GAS
Test Procedures
Page 12-18
2007-2008 XRT 800, 810 and 850 Maintenance and Service Manual
12
TEST PROCEDURE 9 – WIRE CONTINUITY
See General Warning on page 1-1.
1. Disconnect the battery cables as instructed.
See WARNING “To avoid unintentionally starting...” in
General Warning on page 1-2.
2. To test a wire for continuity, disconnect either end from the electrical component it is attached to.
3. Set the multimeter to 200 ohms and place the red (+) probe on the terminal at one end of the wire. Place
the black (–) probe on the other terminal end of the wire. The reading should be continuity. If the reading
is incorrect, repair or replace the wire.
TEST PROCEDURE 10 – STARTER/GENERATOR (GENERATOR FUNCTION)
See General Warning on page 1-1.
NOTE:
Keep the battery connected while performing this test procedure.
1. Place the Forward/Reverse handle in the NEUTRAL position and the neutral lockout switch in the MAIN-
TENANCE position. 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 12-14, Page 12-17)
.
4. Using a multimeter set to 20 volts DC, place the red (+) probe on the positive (+) post 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 above 15.3 volts DC, test the volt-
age regulator.
See Test Procedure 11 – Voltage Regulator on page 12-18.
If the voltage does not rise,
a tear-down inspection of the starter/generator will be necessary.
See Starter/Generator Removal on
page 14-1.
5. Connect the yellow wire to the DF terminal on the starter/generator.
TEST PROCEDURE 11 – VOLTAGE REGULATOR
See General Warning on page 1-1.
NOTE:
Keep the battery connected while performing this test procedure.
1. Place the Forward/Reverse handle in the NEUTRAL position and the neutral lockout switch in the MAIN-
TENANCE position. Chock the wheels.
2. Ensure that the wires are connected correctly and are tight. If they are not, rewire or tighten as necessary.
3. Check the engine RPM setting to ensure that it is adjusted correctly.
See Engine RPM Adjustment on
page 16-12.
4. With the battery in good condition and fully charged, run the engine for several minutes to bring the volt-
age regulator to operating temperature.
5. Turn the key switch to the OFF position, killing the engine. Using a multimeter set to 20 volts DC, place
the red (+) probe on the large post of the solenoid with the red wire from the voltage regulator attached.
Place the black (–) probe on the negative (–) battery post
(Figure 12-15, Page 12-19)
. Turn the key
switch to the ON position. Press the accelerator to start the engine and run it at full governed speed. If
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