Hydraulic Valve Solenoids
7
1
6
5
RIGHT
FRONT
2
4
3
Figure 45
1.
2.
3.
4WD manifold
LH PTO manifold
Traction manifold
4.
5.
Front PTO manifold
Fan drive manifold
6.
7.
RH PTO manifold
Lift/lower manifold
Several hydraulic solenoid valve coils are used on the
hydraulic control manifolds of Groundsmaster 4000--D
and 4010--D machines. When energized by the TEC
controller, these coils provide hydraulic circuit control.
NOTE: To assist in troubleshooting, identical solenoid
coils can be exchanged. If the problem follows the ex-
changed coil, a problem with the coil likely exists. If the
problem remains unchanged, something other than the
solenoid coil is the problem source (e.g. switch, circuit
wiring,hydraulic problem).Refertoyourparts catalogto
determine if solenoid coils are identical.
Solenoid valve coils with two (2) different resistance
specifications are used on the 4000--D and 4010--D.
Thecorrectresistance ofacoilcanbeidentified bymea-
suring the height and diameter of the coil (Fig. 46). Re-
sistance testing of the coils can be done with the coil
remaining on the hydraulic valve.
Electrical System
Page 5 -- 36
Groundsmaster 4000--D/4010--D
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