Replacing The Hydraulic Filters; Checking The Hydraulic Lines And Hoses; Adjusting The Counterbalance Pressure - Toro 30605 Operator's Manual

Replacing the Hydraulic Filters

Service Interval: After the first 200 hours
Every 800 hours
Use Toro replacement filters Part No. 94-2621 for the rear
(mower deck) of the machine and Part No. 75-1310 for the
front (charge) of the machine.
Important: Use of any other filter may void the warranty
on some components.
1. Position the machine on a level surface, lower the
mower decks, shut off the engine, engage the parking
brakes, and remove the ignition key.
2. Replace the hydraulic filters
3. Start the engine and let it run for about 2 minutes to
purge air from the system and shut off the engine and
check for leaks.
Checking the Hydraulic Lines
and Hoses
Service Interval: Every 2 years
Inspect the hydraulic lines and hoses daily for leaks, kinked
lines, loose mounting supports, wear, loose fittings, weather
deterioration, and chemical deterioration. Make all necessary
repairs before operating the machine.
(Figure 74).
Figure 74
Adjusting the Counterbalance
Pressure
The counterbalance test port is used to test the pressure in
the counterbalance circuit
counterbalance pressure is 2,241 kPa (325 psi). To adjust
the counterbalance pressure, loosen the locknut, rotate the
adjusting screw (Figure
or counterclockwise to decrease the pressure and tighten the
locknut. The engine must be running, the deck lowered and
in the float position to check the pressure.
Note: The caster wheels of all 3 mower decks should remain
on the ground when adjusting the counterbalance and with
counterbalance applied.
1. Counterbalance-adjusting
screw
54
(Figure 75). The recommended
75) clockwise to increase the pressure,
Figure 75
2. Counterbalance-test port