Adjust Motion Controls - Toro 74191 Operator's Manual

1
Figure 44
1. Hydraulic filter
2. Gasket
Bleeding Hydraulic System
The traction system is self bleeding, however, it may
be necessary to bleed the system if fluid is changed or
after work is performed on the system.
1. Raise front of the machine so wheels are off the
ground 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 proper level.
5. Repeat procedure on opposite wheel.
Check Hydraulic Lines
After every 100 operating hours, check hydraulic
lines and hoses for leaks, loose fittings, kinked lines,
loose mounting supports, wear, weather and chemical
deterioration. Make necessary repairs before
operating.
3
2
m–1256
3. Adapter
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.

Adjust Motion Controls

If motion control levers do not align, adjustment is
required. Adjust each rod separately.
1. Loosen jam nuts on pump control rod (Fig. 45).
2. Push and firmly hold motion control lever
against forward stop (Fig. 45).
3. Rotate pump control rod until pump control
plate is in the full forward position (Fig. 45).
Motion control lever will lift off forward stop.
IMPORTANT: Hold motion control lever
firmly against forward stop to determine
when pump control reaches stop.
Maintenance
45