Toro Greensmaster 3120 Service Manual page 112

Steering/Lift Circuit Testing – Lowering Cutting Units Relief
Valve Test (continued)
Hydraulic System: Testing the Hydraulic System
g217170
1. Mower manifold assembly (machines
without backlap)
2. Mower manifold assembly (machines with
backlap)
12. If lowering cutting units relief valve pressure is incorrect, adjust the mower
manifold relief valve (R2) (refer to
Relief Valves (page 4–70)
Note: The Gear Pump (P3) Flow and Circuit Relief Valve Test is performed
with the tester installed in its current location. Refer to
Testing – Gear Pump (P3) Flow and Circuit Relief Valve Test (page 4–59)
additional information.
13. When testing is complete, remove tester and connect hose to pump fitting.
14. Check fluid level in hydraulic tank and adjust as necessary; refer to traction
unit Operator's Manual.
Figure 44
3. Lowering cutting units relief valve (R2)
Figure 44) and retest. Refer to
in this Chapter for additional information.
Page 4–66
Adjusting
Steering/Lift Circuit
for
Greensmaster 3120
17230SL Rev C