Replacing the Hydraulic Filters
The hydraulic system is equipped with a service interval
indicator (Figure 63). With the engine running at operating
temperature, view the indicator, it should be in the Green
zone. When the indicator is in the Red zone, change the
hydraulic filters.
Figure 63
1.
Hydraulic filter restriction indicator
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 filter (Figure 64) and (Figure 65).
g021271
1
Figure 64
1.
Hydraulic filter
Figure 65
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.
Repeat the procedure on the other filter.
8.
Start the engine and let it run for about two minutes to
purge air from the system.
9.
Stop the engine and check for leaks.
Checking the Hydraulic Lines
and Hoses
Daily, check 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.
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Summary of Contents for 03673
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