Adjustments; Adjustments; Adjust Manifold Relief Valves (R1 And R2) - Toro Greensmaster 3150 Service Manual

Adjustments

Adjust Manifold Relief Valves (R1 and R2)

These relief valves are installed on the hydraulic man-
ifold. Relief valve (R1) is in the mow circuit and relief
valve (R2) is the lower cutting units relief.
WARNING
Never adjust the relief valve with the hydraulic
system pressurized. Hydraulic oil may spray out
of the valve with the cap off. Personal injury may
result. Always install the cap and tighten before
pressurizing the system.
1. Locate relief valve and remove cap from valve.
Note: An 1/8–turn of the adjustment socket is about
50 psi (3.5 bar), or 1 turn is about 400 psi (27.6 bar).
2. To increase pressure setting, turn the adjustment
socket inside the valve 1/8 of a turn clockwise.
3. To decrease pressure setting, turn the adjustment
socket inside the valve 1/8 of a turn counterclockwise.
4. Install and tighten cap to valve. After adjustment, re-
test pressure setting (see TESTING).
Hydraulic System
Page 4 – 40
CAP
ADJUSTMENT
HEX SOCKET
Figure 14
Greensmaster 3150