Toro Groundsmaster 3280-D Service Manual page 147

Test Procedure (continued)
Groundsmaster ® 3280-D/3320
05138SL Rev B
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 deck, shut off the
engine, and set the parking brake.
3. Read all Warning, Cautions, and precautions listed at the beginning of this
section.
4. Raise and support the operator seat, remove the seat plate to get access to
the hydraulic pump assembly.
g225780
1. Hydraulic hose (forward)
5. Ensure that the traction pedal is correctly adjusted for the N
Also, ensure that the hydraulic pump is at full stroke when traction pedal
is pressed fully in forward position.
6. Lift and support the machine so that all the wheels are off the ground; refer
to Jacking Instructions (page
7. Clean the junction of the hydraulic hose and right side fitting on the top of the
hydraulic pump (Figure
Ensure that the fluid flow indicator arrow on the flow meter is
showing that the fluid will flow from the pump, through the tester,
and into the disconnected hydraulic hose.
8. Install a tester with the pressure gauge and flow meter in series between the
hydraulic pump fitting and the disconnected hose.
CAUTION
Releasing Pressure from the
5–6).
Figure 70
2. Right elbow fitting
1–6).
70), and disconnect the hose from the fitting.
IMPORTANT
Page 5–63 Hydraulic System: Testing the Hydraulic System
3. Hydraulic pump
position.
EUTRAL