Replacing the Hydraulic Filters (continued)
Changing the Return Filter
G417021
The hydraulic system is equipped with a return
filter-service indicator
. You view the filter-
service indicator through the hole in the floor plate.
With the engine running at operating temperature,
check the color of the indicator as follows:
• Green indicates normal hydraulic-fluid flow
through the filter.
• Ref indicates a restricted filter. Change the
return filter.
1. Prepare the machine for maintenance.
G417022
2. At the front of the machine, align a drain pan
under the return filter
.
3. Remove the filter.
4. Wipe clean the filter mounting area of the filter
head
.
5. Apply a thin coat of the specified hydraulic fluid
to the gasket of the new return filter.
6. Thread the filter onto the filter head by hand
until the gasket contacts the mounting surface,
then rotate the filter an additional 1/2 turn.
Changing the Charge Filter
1. Prepare the machine for maintenance.
2. Tilt the seat.
Maintenance: Hydraulic System Maintenance Page 6–36 3464-482 A
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