TROUBLESHOOTING AND ELECTRICAL SYSTEM:
KEY-START WITH NEUTRAL REV GAS VEHICLE
Test Procedures
11
TEST PROCEDURE 23 – Battery Test (Under Load)
See General Warning on page 1-1.
NOTE:
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 position.
Chock the wheels.
2.
Set a multimeter to 20 volts and place the red (+) probe on the F2 (white wire) terminal on the starter/generator.
Place the black (–) probe on the negative battery post.
3.
Turn the key switch to the START position and hold it in the START position while noting the voltage reading on
the multimeter (with the key in the START position the battery is under load).
3.1. If the voltage reading is over 9.6 volts at 70 °F (21 °C) (electrolyte temperature) check the starter/generator.
See following NOTE.
NOTE:
The voltage reading is taken at 70 °F (21 °C). At lower electrolyte temperatures the voltage reading will be
lower.
3.2. If the reading is below 9.6 volts at 70 °F (21 °C) (electrolyte temperature), check the battery.
3.3. If the reading is zero, there may be NO continuity across the large posts of the solenoid.
4.
If all of the test results are good and the voltage reading is zero, there may be a broken or damaged 6- gauge
white wire from the solenoid to the starter/generator.
See Starter/Generator (Starter Function) on page 11-17.
TEST PROCEDURE 24 – Fuel Level Sending Unit
See General Warning on page 1-1.
WARNING
• To avoid the possibility of fire or explosion, make sure the fuel tank cap is securely in place while
performing this test procedure.
1.
Turn the key switch to OFF and remove the key. Place the Forward/Reverse handle in the NEUTRAL position.
Chock the wheels.
2.
Disconnect battery.
See Disconnecting the Battery – Gasoline Vehicles, Section 1, Page 1-3.
3.
Disconnect the orange wire from the center post of the fuel level sending unit.
4.
With a multimeter set to 2k ohms, place the red (+) probe of the multimeter on the center post of the sending unit.
Place the black (–) probe on the ground connection of the sending unit
5.
The following resistance readings (in ohms) should be obtained depending on the position of the float inside
the fuel tank. The resistance reading will vary according to the exact position of the float. The chart below may
be used as a guideline to determine if the fuel level sending unit is operating correctly. Make sure the float
is at the surface of the fuel in the tank.
FLOAT POSITION
RESISTANCE READING
FUEL GAUGE READINGS
Lower position (tank empty)
240 ± 20 ohms
Empty
Center position (tank half full)
120 ± 20 ohms
Half full
Upper position (tank full)
60 ± 20 ohms
Full
6.
If the readings are within the specifications listed above, the fuel level sending unit is working properly. If the
readings are incorrect, the fuel level sending unit has failed and the fuel tank must be replaced.
2007-2009 Turf 252, Carryall 252 and XRT 900 Maintenance and Service Manual
Page 11-31
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