Toro Groundsmaster 4300-D Service Manual page 118

Test Procedure
Hydraulic System: Testing the Hydraulic System
1. Warm oil after test equipment is connected to prevent technician from
working on a hot machine—applicable to tests when possible (any test that
requires an open un-pluged/capped line (case drain tests) would not apply
and oil should be warmed before disconnecting the lines).
Before opening the hydraulic system, operate all the hydraulic
controls to release system pressure and avoid injury from the
pressurized hydraulic fluid; refer to
Hydraulic System (page
2. Park the machine on a level surface, lower the cutting decks, shut off the
engine. Ensure that the mow speed limiter is in the T
allow full movement of the traction pedal.
3. Read all Warning, Cautions, and precautions listed at the beginning of this
section.
g189665
1. Traction pump
2. Hydraulic hose (forward)
4. Ensure that the traction pedal is correctly adjusted for the N
Also, ensure that the traction pump is at full stroke when traction pedal is
pressed fully in forward position.
5. Lift and support the machine so that all the wheels are off the ground; refer
to Jacking Instructions (page
6. Clean the junction of the hydraulic hose and right side fitting on bottom of the
traction pump (Figure
CAUTION
Releasing Pressure from the
4–6).
Figure 60
3. Right elbow fitting
1–6).
60), and disconnect the hose from the fitting.
Page 4–56
position to
RANSPORT
position.
EUTRAL
Groundsmaster ® 4300-D
16226SL Rev C