Toro Groundsmaster 4000-D Service Manual page 101

Procedure for Cutting Deck Circuit Pressure Test
CAUTION
Prevent personal injury and/or damage to equip-
ment. Read all WARNINGS, CAUTIONS and Pre-
cautions for Hydraulic Testing at the beginning
of this section.
1. Park machine on a level surface with the cutting
decks lowered and off. Make sure hydraulic oil is at nor-
mal operating temperature, engine is off and the parking
brake is applied.
2. Install 5000 PSI (350 bar) pressure gauge with hy-
draulic hose attached to manifold test port (G) for the
deck to be tested (Fig. 37).
CAUTION
Cutting deck blades will rotate when cutting
decks are lowered with PTO switch in ON posi-
tion. Keep away from decks during test to pre-
vent personal injury from rotating blades. Do not
stand in front of the machine.
3. Start engine and increase engine speed to high idle
speed. Release the parking brake.
4. Watch pressure gauge carefully while mowing with
the machine.
5. Cutting deck circuit pressure should be as follows
and will vary depending on mowing conditions:
LH Deck: 1000 to 3000 PSI (69 to 207 bar)
Center Deck: 1000 to 3000 PSI (69 to 207 bar)
RH Deck: 1000 to 2000 PSI (69 to 137 bar)
6. Disengage cutting decks. Shut off engine and record
test results.
7. When testing is completed, disconnect pressure
gauge with hose from manifold test fitting. Secure dust
cap to test fitting.
Groundsmaster 4000--D/4010--D
1. PTO manifold (front)
Page 4 - - 55
2
1
Figure 37
2. Manifold test port
Hydraulic System