Toro Z Master 4000 Serie Manuel De L'utilisateur page 55

Hydraulic System
Maintenance
Hydraulic System Safety
•
Seek immediate medical attention if fluid is injected
into skin. Injected fluid must be surgically removed
within a few hours by a doctor.
•
Ensure 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 pinhole
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.
Hydraulic-Fluid
Specifications
Hydraulic Fluid Type: Toro
hydraulic fluid
Important:
Use the specified fluid. Other fluids
could damage the hydraulic system.
Hydraulic System Capacity (with filters removed):
7.57 L (8 US qt)
® HYPR-OIL ™ 500
Checking the
Hydraulic-Fluid Level
Service Interval: Before each use or daily
1. Allow the hydraulic fluid to cool down. Check the
oil level when the fluid is cold.
2. Check expansion reservoir and if necessary
add Toro ® HYPR-OIL
FULL COLD line
1. Expansion tank
Changing the Hydraulic
Fluid and Filters
Service Interval: After the first 100 hours—Change
the hydraulic-system filters and
fluid.
Every 400 hours or yearly, whichever comes
first—After the initial change—change the
hydraulic-system filters and fluid when using
Toro ® HYPR-OIL
often under dirty or dusty conditions).
To replace the hydraulic fluid, the filters need to be
removed. Replace both at the same time; refer to
Hydraulic-Fluid Specifications (page 53)
specifications.
Purge any air in the system after you install the new
filters and add fluid. Refer to
System (page 55). Repeat the bleeding process until
the fluid remains at the F
after purging.
53
™ 500 hydraulic fluid to the
(Figure 65).
Figure 65
2. Engine
™ 500 fluid (change it more
for fluid
Bleeding the Hydraulic
C line in the reservoir
ULL OLD
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