Fuel Valve Solenoid

The fuel valve solenoid must be energized for the en- gine to run. It is mounted on the engine block next to the injection pump and has a purple wire attached to it.

In Place Testing

Note: Prior to taking small resistance readings with a digital multimeter, short the test leads together. The me- ter will display a small resistance value (usually 0.5 ohms or less). This resistance is due to the internal re- sistance of the meter and test leads. Subtract this value from from the measured value of the component you are testing.

1.Disconnect the wire from the solenoid.

2.Using a digital multimeter, ground one lead to the engine block and connect the other to the solenoid ter- minal.

3.The resistance should be about 11.5 ohms.

4.Connect the wire to the solenoid.

Live testing

1. Disconnect the wire from the solenoid.

Note: The solenoid may be removed from the engine or tested in place.

2.Connect a positive (+) test lead from a 12 VDC source to the solenoid terminal.

3.Touch a negative (±) test lead from the 12 VDC source to the solenoid body. The plunger should retract making an audible ºclickº.

4.Disconnect the test leads from the solenoid.

5.Connect the wire to the solenoid if tested in place.

1 1

Figure 17

￿￿￿￿u￿l￿ ￿￿l￿￿￿ ￿￿l￿n￿￿￿

TERMINAL PLUNGER

Figure 18

Electrical System

Cutting Unit Solenoid Valve Coil

Note: Prior to taking small resistance readings with a digital multimeter, short the test leads together. The me- ter will display a small resistance value (usually 0.5 ohms or less). This resistance is due to the internal re- sistance of the meter and test leads. Subtract this value from from the measured value of the component you are testing.

1.Disconnect solenoid valve electrical connector.

2.Measure resistance between the two connector ter- minals. The resistance should be about 7.2 ohms.

3.Connect solenoid valve electrical connector.

1

Figure 19

1. Solenoid Valve Coil

Reelmaster 2300±D/2600±D

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Electrical System

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Toro 2600D, 2300-D service manual Fuel Valve Solenoid, Cutting Unit Solenoid Valve Coil, Place Testing, Live testing

2600D, 2300-D specifications

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