Toro Sand Pro 2040Z Service Manual page 48

Problem
One rear wheel will not turn.
Rear attachment will not lift/lower or
lifts slowly.
Rear attachment raises, but will not
stay in the raised position.
Hydraulic System
Possible Cause
Hydraulic oil level in reservoir for non- moving wheel is low.
Parking brake is applied for non- moving wheel (incorrect adjust-
ment or internal transmission brake problem).
Transmission bypass valve lever for non- moving wheel is open.
Transmission drive belt is slipping on transmission pulley for non-
moving wheel.
Transmission for non- moving wheel is worn or damaged.
Engine speed is too low.
Groomer (rear attachment) lift cylinder is binding or broken.
Groomer lift arm bushings are binding.
Oil level in right side hydraulic reservoir is low.
Charge pump pressure or flow in RH transmission is insufficient.
Charge pump in RH transmission is worn or damaged.
Implement (lift) relief valve in RH transmission is stuck open.
Groomer (rear attachment) lift cylinder leaks internally.
NOTE: An electrical problem with the rear attachment switch, sole-
noid valve coils or circuit wiring could prevent the rear attachment
from operating.
Groomer (rear attachment) lift cylinder leaks internally.
Check valve in hydraulic control manifold leaks.
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Sand Pro 2040Z