Toro 95-5861 Installation Instructions
FORM NO. 3319–237
BYPASS VALVE KIT
for MIDSIZE HYDRO TRACTION UNITS
PART NO. 95–5861
Loose Parts
Note: Use the chart below to identify parts used for assembly.
DESCRIPTION QTY. USE
Valve
Decal
Remove Existing By-pass
2
Install valves in hydro pumps
1
2. Clean area of hydraulic pumps around existing
by-pass valves (Fig. 1).
Valves
3. Loosen jam nuts and unscrew existing by-pass
1. Shut off engine and and wait for all moving parts
to stop. Remove spark plug wire(s).
valves (Fig. 1). Discard valves.
Note: Place a rag under valve area as a small
amount a hydraulic fluid may run out
of opening.
INSTALLATION
INSTRUCTIONS
POTENTIAL HAZARD
• If you leave the wire on the spark plug,
someone could start the engine.
WHAT CAN HAPPEN
• Accidental starting of engine could
seriously injure you or other bystanders.
HOW TO AVOID THE HAZARD
• Pull wire off spark plug before you do any
maintenance. Also push wire aside so it
does not accidentally contact spark plug.
2
1
Figure 1
1. Hydraulic pump 2. Existing by-pass valve
1
m–3110
1
Installation
Install New By-Pass Valve
1. Assemble the new by-pass valves, if necessary,
gently rotate and push spring tip into body and
threading jam nut onto body with shoulder
toward tip as shown (Fig. 2).
1
1. Body
2. Tip
3
Figure 2
3. Jam nut
4. Spring
4
2
m–3107
Bleeding Hydraulic System
The traction system is self bleeding, however, it may
be necessary to bleed the system after changing the
valve
1. Raise the rear of machine until wheels are off the
floor and support with jack stands.
2. Start the engine and run at idle speed. Engage
traction on one side and spin the wheel by hand.
3. When the wheel begins to spin on its own, keep
it engaged until wheel drives smoothly.
(minimum 2 minute)
4. Check hydraulic fluid level as it drops and add
as required to maintain level.
5. Repeat procedure on opposite wheel.
2. Thread new by-pass valves into hydraulic pumps
(Fig.3 ).
2
1
Figure 3
1. Hydraulic pump 2. New valve
1
m–3111
POTENTIAL HAZARD
• Hydraulic fluid escaping under pressure
can penetrate skin and cause injury.
WHAT CAN HAPPEN
• Fluid accidentally injected into the skin
must be surgically removed within a few
hours by a doctor familiar with this form of
injury or gangrene may result.
HOW TO AVOID THE HAZARD
• Keep body and hands away from pin hole
leaks or nozzles that eject high pressure
hydraulic fluid.
• Use cardboard or paper to find hydraulic
leaks.
2
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