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Replacing the Hydraulic Filter
Service Interval: Every 800 hours
Important: Use of any other filters 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 brake,
and remove the key from the ignition switch.
2. Clean the area around the filter-mounting area and
place a drain pan under the filter
1
1. Hydraulic filter
3. Remove the filter.
4. Lubricate the gasket on the new filter with hydraulic oil.
5. Ensure that the filter-mounting area is clean.
6. Install the filter by hand until the gasket contacts the
mounting surface, then rotate it an additional 1/2 turn.
7. Start the engine and let it run for about 2 minutes to
purge air from the system.
8. Stop the engine and check for leaks.
(Figure
76).
g027138
Figure 76
Checking the Hydraulic Lines
and Hoses
Service Interval: Before each use or daily
Check the hydraulic lines and hoses 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 that 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.
• Get immediate medical help if fluid is injected
into skin.
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