Husqvarna PT26D Workshop Manual page 136

Function table solenoid valve
Valve block transmission
Valve block working hydraulics
If the engine does not run, there is only voltage to the solenoid valves for approximately 3 seconds after the
ignition has been switched to the ON position. This limitation can be bypassed by temporarily disconnect-
ing the cable connector from the engine's oil pressure sensor.
X = The valve in shift function. Y= 1 inlet and 2 outlet.
TROUBLE SHOOTING
Model
High speed 2WD
High speed 2 WD
Low speed 4WD
Low speed 4WD
Low speed 4WD Diff
lock
Low speed 4WD Diff
lock
Model
Lift (lever back)
Lift (lever back)
Lift (lever back)
Transport
(lever in zero position)
Transport
(lever in zero position)
Transport
(lever in zero position)
Weight transfer (lever
return from lower)
Weight transfer (lever
return from lower)
Weight transfer (lever
return from lower)
No weight transfer
(lever return from lower)
No weight transfer
(lever return from lower)
No weight transfer
(lever return from lower)
Lever neutral
Lever (left-hand side)
Lever (right-hand side)
Valve Function
Right (2) Circulation
rear axle
Left (3) None
Right (2) Open to rear
axle
Left (3) Flow to
wheel
motors
Right (2) Open to rear
axle
Left (3) Closed
Valve Function
Front (3) Closed
Centre (4) Open
Rear (2) Parallel
Front (3) Closed
Centre (4) Closed
Rear (2) Y
Front (3) Closed
Centre (4) Open
Rear (2) Y
Front (3) Open
Centre (4) Closed
Rear (2) Y
Double valve Closed
Double valve Parallel
Double valve X
Voltage
12 V
0 V
0 V
0 V
0 V
12 V
Voltage
0 V
12 V
12 V
0 V
0V
0 V
0 V
12 V
0 V
12 V
0 V
0 V
0 V A +B
12 V A
12 V B
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