Adjusting The Cutting Unit Flow Control - Toro Groundsmaster 4100-D 30411 Operator's Manual

Figure 74
1. Test port E
Test Port F (Figure 75), located under the seat, is used
to measure the lift circuit pressure.
Test Port G (Figure 75), located under the seat, is used
to measure the charge circuit pressure.
Figure 75
1. Test port F
Test Port H (Figure 76) is used to measure the front
cutting unit circuit pressure.
Test Port J (Figure 76) is used to measure the steering
circuit pressure.
2. Test port G
1. Test port I
The counterbalance test port (Figure 77) is used
to adjust the pressure in the counterbalance circuit.
Recommended counterbalance pressure is 470 psi (3241
kPa). To adjust the counterbalance pressure, rotate the
adjusting screw (Figure 77) clockwise to increase the
pressure or counterclockwise to decrease the pressure.
1. Counterbalance test port
Adjusting the Cutting Unit
Flow Control
The flow control valve (Figure 78) is used to adjust the
rate at which the cutting unit lowers.
1. Flow control valve
51
Figure 76
2. Test port H
Figure 77
2. Counterbalance adjusting
screw
Figure 78