Hydraulic System Maintenance; Checking The Hydraulic System; Changing The Hydraulic Fluid And Filters - Toro Sand Pro 2040Z Operator's Manual

Hydraulic System
Maintenance
Checking the Hydraulic
System
Whenever you repair or replace a hydraulic component,
you should replace the hydraulic-fluid filters and check the
hydraulic system to ensure that it works properly.
Important: Make sure that the hydraulic reservoirs and
the manifold filter are filled with fluid at all times when

checking the hydraulic system.

1. Park the machine on a level surface and turn the engine
off.
2. Raise all 3 wheels of the machine up off the floor, and
support the machine with jack stands just high enough
to allow the drive wheels to turn freely; refer to
the Machine (page
WARNING
Mechanical or hydraulic jacks may fail to
support the machine and cause serious injury.
Use jack stands when supporting the machine.
3. Start the engine and set the throttle to allow the engine
to run at low idle.
4. Move the control handles to the full-forward position,
and watch for the drive wheels to turn smoothly.
5. Move the control handles to the full-reverse position,
and watch for the drive wheels to turn smoothly.
6. Press the attachment switch until the lift-cylinder rod
moves in and out several times.
If the cylinder rod does not move after 10 to 15
seconds, or if the pump makes abnormal sounds, stop
the engine immediately and determine the cause or
problem.
Inspect for the following conditions, and make
the necessary repairs or see your Authorized Toro
Distributor:
•
The belt is removed or severely worn.
•
The fluid level is inadequate.
•
A hydraulic filter is loose.
•
The charge pump is worn.
•
The charge relief filter is worn.
•
There is an issue with the switch or the wiring.
•
The solenoid valve is plugged.
35).
Changing the Hydraulic Fluid
and Filters
Service Interval: After the first 8 hours
Every 400 hours
Capacity:
•
Left side—1.9 L (2.0 US qt)
•
Right side—2.0 L (2.1 US qt)
Fluid Type: Toro Premium Transmission/Hydraulic Tractor
Fluid or Mobilfluid
1. Park the machine on a level surface, stop the engine,
and remove the key.
2. Lower the attachment lift.
3. Place a drain pan under the left hydrostatic
transmission.
4. Remove the drain plug on the pump side and the drain
Lifting
plug on the gear side
drain completely.
2
1. Filter caps
2. Drain plug—gear side
5. Remove the filter cap, and pull the filter out of the
transmission
51
® 424
(Figure 70), and allow the oil to
1
4
Figure 70
3. Manifold filter
4. Drain plug—pump side
(Figure 71).
3 2
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