Releasing Pressure From The Hydraulic System - Toro Groundsmaster 3280-D Service Manual

Releasing Pressure from the Hydraulic System

Releasing the Hydraulic Pressure from the Traction Circuit
Releasing the Hydraulic Pressure from the Lift Circuit
Releasing the Hydraulic Pressure from the Steering Circuit
Hydraulic System: General Information
Release all the pressure in the hydraulic system before you work on the hydraulic
system.
System pressure in the cutting circuit is released when the cutting deck is
disengaged.
Note: If you park the machine on an incline or slope, the pressure in the traction
circuit does not release.
1. Park the machine on a level surface.
2. Lower the cutting deck.
3. Turn the key switch to the O
4. Move the traction pedal in both the forward and reverse direction.
1. Turn the key switch to the O
lower the cutting deck to the ground.
2. Turn the key switch to the O
3. After lowering the cutting deck, ensure that the lift cylinders does not support
the cutting deck.
1. Park the machine on a level surface.
2. Lower the cutting deck.
3. Turn the key switch to the O
4. After the engine has come to a complete stop, rotate the steering wheel in
both directions.
position and allow the engine to stop.
FF
position (do not start the engine) and fully
N
position and allow the engine to stop.
FF
position and allow the engine to stop.
FF
Page 5–6 Groundsmaster ® 3280-D/3320
05138SL Rev B