Adjusting The Counterbalance - Toro 30856 Operator's Manual

on operator platform. Used to measure the 4 wheel
drive pressure applied to the rear axle (reverse mode)
and rear axle dynamic braking.
Figure 59
1. Test port B (Counter
balance)
Test Port D (Figure 60), located on front of pump
assembly, under operators seat plate. Used to measure
steering pressure.
Test Port E (Figure 60), located on front of pump
assembly, under operators seat plate. Used to measure
lift circuit pressure.
Figure 60
1. Test port D (Steering)
Test Port F (Figure 61), located on top of right hand
deck manifold. Used to measure cutting unit circuit
pressure for cutting units 5, 2 and 3.
Test Port G (Figure 61), located on top of left hand deck
manifold. Used to measure cutting unit circuit pressure
for cutting units 1 and 4.
2. Test port C ( Four wheel
drive)
2. Test port E (Lift circuit)
1. Test port F (Decks)
Test Port H (Figure 62) located on rear traction circuit
hard line. Used to measure reverse traction pressure.
Test Port I (Figure 62) located on front traction circuit
hard line. Used to measure forward traction pressure
1. Test port H (Reverse)

Adjusting the Counterbalance

The counterbalance dial (Figure 63) is used to adjust the
pressure in the counterbalance circuit. Recommended
counterbalance pressure is 620 psi. Rotate the adjusting
dial (Figure 63) clockwise to increase the pressure or
counterclockwise to decrease the pressure.
1. Counterbalance dial
47
Figure 61
2. Test port G (Decks)
Figure 62
2. Test port I (Forward)
Figure 63
2. Traction assist valve