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Counterbalance Pressure Test and Adjustment
Use a 500 or 1,000 PSI (35 or 70 Bar) test gauge.
Recommend counterbalance pressure:
84 inch decks: 220 PSI (15 Bar)
72 inch decks: 220 PSI (15 Bar)
Contour 82 deck: 100 – 150 PSI (7 – 10 Bar)
Brush: 225 PSI (16 Bar)
Blower: 70 – 80 PSI (5 – 6 Bar)
1. Make sure hydraulic oil is at normal operating temper-
ature by operating the machine for approximately 10
minutes.
2. Lower cutting unit, engage parking brake and stop the
engine.
1
2
Figure 17
3. Install a 500 or 1,000 PSI (35 or 70 Bar) pressure
1. Test Port
2. Counterbalance valve
gauge with quick connect adapter on the test port.
4. Start the engine and move the throttle control all the
way forward. Read the gauge. Do not raise the imple-
ment when testing counterbalance pressure. Move the
lift lever forward to make sure the lift system is in the
“float” position.
Groundsmaster 3000/3000–D
Page 5 – 15
Rev. A
Hydraulic System
Hydraulic System
and Transaxle