Solenoid Valve Coils
Note:
Prior to taking small resistance readings with a
2
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
fromfromthemeasured valueofthecomponent youare
testing.
1
1.
Make sure engine is off. Disconnect solenoid valve
electrical connector.
2.
for solenoid to switch on. Remove voltage source from
solenoid.
Apply 12VDC source directly to the solenoid. Listen
Figure 28
2.
3.
Measure resistance between the two solenoid coil
1.
Electrical connector
Solenoid
connector terminals. The coil resistance for machines
with serial numbers under 260999999 is identified in
Figure 29. The coil resistance for machines with serial
numbers above 270000000 is identified in Figure 30.
1
3
2
4.
valve electrical connector.
Replace solenoid if necessary. Reconnect solenoid
4
5
Serial Number 240000001 To
260999999
Shown
Figure 29
1.
2.
3.
Solenoid S1 (7.2 ohm)
Solenoid S2 (7.2 ohm)
Solenoid S3 (7.2 ohm)
4.
5.
Solenoid S4 (7.2 ohm)
Solenoid S6 (8.1 ohm)
3
4
2
1
Serial Number Above
270000000
Shown
Figure 30
1.
2.
Solenoid S1R1 (7.1 ohm)
Solenoid S2 (8.6 ohm)
3.
4.
Solenoid S3 (7.1 ohm)
Solenoid S4 (8.6 ohm)
Greensmaster 3250--D
Page 5 -- 21 Rev. H
Electrical System (Rev. C)
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