Purging Air From The Hydraulic System - Toro Spray Master Operator's Manual

Figure 102
1. Hydraulic filter
5. Remove the filter, and allow the hydraulic fluid
to drain (Figure 102).
6. Apply a thin coat of the specified hydraulic fluid
to the gasket of the new hydraulic filter; refer to
Hydraulic Fluid Specification (page
7. Thread the filter onto the filter head until the
gasket contacts the filter head, and tighten the
filter an additional 2/3 to 3/4 turn.
8. Add the specified hydraulic fluid to the tank;
refer to step 4 in
Level (page 69).
9. Purge the air from the hydraulic system; refer
to Purging Air from the Hydraulic System (page
70).
Purging Air from the
Hydraulic System
Note:
You must purge air from the hydraulic system
when you remove any hydraulic components,
including oil filter, or disconnect any hydraulic lines.
1. Open the drive release valves at each hydraulic
pump (Figure 103).
2. Filter head
69).
Checking the Hydraulic Fluid
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1. Drive release valves
2. Raise the back of the machine until both drive
wheels are off the ground, and support the
machine with jack stands.
3. Start engine and move throttle control ahead to
full throttle position.
4. Move the traction-control levers to the
and
REVERSE
5. Move the traction-control levers to the
position, and shut off the engine.
6. Lower the machine and remove the jack stands.
7. Close the drive release valves at each hydraulic
pump (Figure
8. Check the hydraulic fluid level, start the engine,
and run it at full throttle for several minutes, refer
to Checking the Hydraulic Fluid Level (page
9. Shut off the engine, and Install the knee pad
refer to Installing the Knee Pad (page
70
Figure 103
positions several times position.
103).
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g313239
FORWARD
NEUTRAL
69).
50).