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Figure 54
1. Hydraulic reservoir
Replacing the Hydraulic Filters
Change the 2 hydraulic filters initially after the first 200
operating hours. Thereafter, change the filters after every
800 operating hours, in normal conditions.
Use Toro replacement filters (Part No. 94-2621 for the left
side of the machine and 75-1310 for the right side of the
machine).
Important
Use of any other filter may void the
warranty on some components.
1. Position the machine on a level surface, lower the
cutting units, stop the engine, engage the parking
brakes, and remove the ignition key.
2. Clean the area around the filter mounting area. Place a
drain pan under the filter and remove the filter (Fig. 55).
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Figure 55
1. Hydraulic filter (2)
3. Lubricate the new filter gasket and fill the filter with
hydraulic fluid.
4. Ensure that the filter mounting area is clean. Screw the
filter on until the gasket contacts the mounting plate;
then tighten the filter an additional 1/2 turn.
5. Start the engine and let it run for about two minutes to
purge air from the system. Stop the engine and check
for leaks.
Checking the Hydraulic Lines
and Hoses
Inspect the hydraulic lines and hoses daily for leaks, kinked
lines, loose mounting supports, wear, loose fittings, weather
deterioration, and chemical deterioration. Make all
necessary repairs before operating.
Warning
Hydraulic fluid escaping under pressure can
penetrate skin and cause injury.
• Make sure all hydraulic fluid hoses and lines are
in good condition and all hydraulic connections
and fittings are tight before applying pressure to
the hydraulic system.
• Keep your body and hands away from pin hole
leaks or nozzles that eject high pressure
hydraulic fluid.
• Use cardboard or paper to find hydraulic leaks.
• Safely relieve all pressure in the hydraulic
system before performing any work on the
hydraulic system.
• Seek immediate medical attention if fluid is
injected into skin.
Hydraulic System Test Ports
The test ports are used to test the pressure in the hydraulic
circuits. Contact your local Toro distributor for assistance.
Test Port "A" (Fig. 56), located on the left side of the
machine, is used to measure the forward traction pressure.
1. Test port "A"
41
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Figure 56
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