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Hydraulic System
Maintenance
Servicing the Hydraulic
System
Hydraulic Oil Type: Toro
or Mobil
®
1 15W-50.
Important: Use the specified oil. Other fluids could
cause system damage.
Each Hydraulic System Oil Capacity: 1.5 L (52 oz) per
side with filter change
Checking the Hydraulic Oil
Service Interval: Every 50 hours—Check the hydraulic oil
level.
1. Position the machine on a level surface.
2. Disengage the PTO, move the motion-control levers to
the neutral-locked position, and set the parking brake.
3. Stop the engine, remove the key, and wait for all moving
parts to stop before leaving the operating position.
4. Allow the engine and the hydraulic system to cool for
10 minutes.
Note: The oil level on the dipstick will be incorrect
when the oil is checked and the unit is hot.
5. Move the seat forward.
6. Clean the area around the dipsticks of hydraulic-system
reservoirs
(Figure
85).
7. Remove one dipstick from the hydraulic reservoir
(Figure
85).
8. Wipe the dipstick off and thread the dipstick into the
reservoir.
9. Remove the dipstick and look at the end
Important: Do not overfill the hydraulic units
with oil as damage may occur. Do not run the
machine with the oil below the add mark.
10. If the oil level is at the add mark , slowly pour only
enough oil into the hydraulic reservoir to raise the level
to the full or H line.
11. Install the dipstick.
12. Repeat the procedure for the opposite dipstick.
®
HYPR-OIL
™
500 hydraulic oil
(Figure
Either dipstick will be used in the machine
1. Full
2. Add
WARNING
Hydraulic oil escaping under pressure can
penetrate skin and cause injury.
• If hydraulic oil is injected into the skin it
must be surgically removed within a few
hours by a doctor familiar with this type
of injury. Gangrene may result if this is
not done.
85).
• Keep your body and hands away from
pinhole leaks or nozzles that eject
high-pressure hydraulic oil.
• Use cardboard or paper to find hydraulic
leaks.
• Safely relieve all pressure in the hydraulic
system before performing any work on the
hydraulic system.
• Make sure all hydraulic-oil hoses and lines
are in good condition, and all hydraulic
connections and fittings are tight before
applying pressure to the hydraulic system.
56
G015459
Figure 85
3. H —means high level
4. Dipstick locations under
seat
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