Toro Groundsmaster 4500-D Series Service Manual page 258

Removal (Figure 142)
Hydraulic System: Service and Repairs
1. Park machine on a level surface, lower cutting decks, stop engine, apply
parking brake and remove key from the ignition switch.
To prevent unexpected deck lowering, make sure that cutting decks
are fully lowered before loosening hydraulic lines from lift manifold.
2. Read the General Precautions for Removing and Installing Hydraulic System
Components (page
3. Raise and support the operator seat.
4. To prevent contamination of hydraulic system during manifold removal,
thoroughly clean exterior of manifold.
5. Label wire harness electrical connectors that attach to manifold solenoid coils.
Disconnect wire harness electrical connectors from the solenoid valve coils.
Make sure that cutting decks are fully lowered before loosening
hydraulic lines from lift manifold. If decks are raised as hydraulic
lines are loosened, decks may drop unexpectedly.
6. Disconnect hydraulic lines from manifold and put caps or plugs on open
hydraulic lines and fittings. Label disconnected hydraulic lines for proper
assembly.
g308986
1. Lift manifold (GM4500-D)
2. Dust cap
3. Test fitting (2 used)
4. O-ring
IMPORTANT
5–87).
WARNING
Figure 143
GROUNDSMASTER 4500-D
5. O-ring
6. Straight fitting (2 used)
7. O-ring
Page 5–156 Groundsmaster ® 4500-D/4700-D
19245SL Rev A