Mowing Circuit Repairs; Mowing Circuit Repairs; Valve Block Service - Toro Reelmaster 5100-D Service Manual

Mowing Circuit Repairs

Valve Block Service

1. Before removing any parts from the valve block, park
the machine on a level surface, engage the parking
brake, lower the cutting units and stop the engine.
Remove key from ignition switch.
2. Raise seat and secure with prop rod to get access to
valve block.
NOTE: Ports on valve block are marked for easy iden­
tification of components. Example: S1 is front mow
circuit solenoid valve and R1 is front mow/lift circuit relief
valve. (See Hydraulic Schematic and Hydraulic Flow
Torque to
15 in-lb
Torque to
15 in-lb
1. Solenoid valve
2. Solenoid valve
3. Solenoid

Mowing Circuit Repairs

Solenoid Wire Identification
Solenoid Power Wire Color
VS1 Orange/Black
VS2 Orange/White
1 Pink/Blue
2 Brown/White
3 Orange/Blue
4 Yellow/Black
5 Yellow/White
6 Orange/Red
7 Yellow/Blue
8 Black/Red
9 Brown/White
Apply
Loctite 242
3
2
S1, S2
4. Solenoid
S3, S4, S5
5. Solenoid
S6
Diagrams to identify function of hydraulic lines and
cartridges at each port location.)
3. If necessary, valve block can be removed:
A. Disconnect solenoid electrical connecters.
B. Disconnect hydraulic lines. Put caps or plugs on
disconnected hoses and fittings to prevent contami­
nation.
C. Remove four (4) capscrews from bottom of valve
block and lift valve block out of machine.
Torque to
15 in-lb
Apply
Loctite 242
1
2
4
Apply
Loctite 242
Figure 77
S7, S8, S9
VS1, VS2
Page 4 - 54
5
R1
6. Relief Valve
R2
7. Relief Valve
®
Reelmaster
6
7
5100-D