Replacing The Hydraulic Filters - Toro 03956 Operator's Manual

Important:
Use only the hydraulic fluids
specified. Other fluids could cause system
damage.
6. Install the tank cap.
7. Start the engine, and use all the hydraulic
controls to distribute hydraulic fluid throughout
the system.
8. Check for hydraulic-fluid leaks; refer to
for Leaks (page 83).
9. Check the level; refer to
Hydraulic-Fluid Level (page 80)
Replacing the Hydraulic
Filters
Service Interval: Every 1,000 hours—If you
are using the recommended
hydraulic fluid, replace the
return-hydraulic filter and
charge-hydraulic filter.
Every 800 hours—If you are not using the
recommended hydraulic fluid or have
ever filled the reservoir with an alternative
fluid, replace the return-hydraulic filter and
charge-hydraulic filter.
Important:
Use of any other filters may void the
warranty on some components.
Changing the Return Filter
The hydraulic system is equipped with a return
filter-service indicator (Figure
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.
Checking
Checking the
147). You view
1. Hydraulic-filter-restriction indicator
1. Prepare the machine for maintenance; refer to
Preparing for Maintenance (page
2. At the front of the machine, align a drain pan
under the return filter
1. 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.
82
Figure 147
60).
(Figure 148).
Figure 148
2. Filter head
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