Service Manual

HYDRAULIC DRIVE SYSTEM
6-91Toro GrandStand Service Manual
6
Hydraulic Testing
Note: Cleanliness is a key factor in a successful
repair of any hydraulic system. Thoroughly
clean all exposed surfaces prior to any type
of maintenance. Cleaning all parts by using
a solvent wash and air drying is usually
adequate. As with any precision equipment,
all parts must be kept free of foreign material
and chemicals. Protect all exposed sealing
areas and open cavities from damage and
foreign material.
When using a BiDirectional Flow Test Kit,
deter mining directional ow is not necessary.
The ow meter may be connected in either
direction into the forward and reverse high
pressure system lines.
1. Apply the parking brake.
2. Loosen the 4 lug nuts.
3. Raise the rear of the machine and secure with jack
stands.
4. Release the parking brake.
5. Remove the 4 lug nuts and the wheel assembly (Fig.
1235).
Fig. 1235 IMG-0907a
Caution:
Ensure all ttings and hoses are attached se
curely. This test is performed on the machine’s
high pressure system. Failure to comply could
result in serious injury.
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