Toro 30488, Operator'S Manual

Page: 43 / 60

Hydraulic System
Maintenance
Servicing the Hydraulic
System
Checking the Hydraulic Fluid
Service Interval: After the first 8 hours
Every 25 hours
Note:
There are 2 ways of checking the hydraulic oil. One
is when the oil is warm and one is when the oil is cold. The
baffle inside the tank has 2 levels depending if the oil is warm
or cold.
1. Position machine on a level surface.
2. Disengage the power take off (PTO) and shut off the
engine.
3. Wait for all moving parts to stop before leaving the
operating position and then set the parking brake.
4. Clean area around cap and filler neck of hydraulic tank
(
Figure 58 ).
Figure 58
1. Cap 3. Cold fluid level—full
2. Baffle 4. Hot fluid level—full
5. Remove the cap from the filler neck.
6. Look inside to check the fluid level in the reservoir.
(
Figure 58 ).
7. Add fluid to the reservoir until it reaches the cold level
of the baffle.
8. Run the machine at low idle for 15 minutes to allow
any air to purge out of the system and warm fluid; refer
to
Starting and Stopping the Engine (page 16) .
9. Check the fluid level while the fluid is warm.
Note:
If required, add fluid to the reservoir until it
reaches the hot level of the baffle.
Note:
The fluid level should be to the top of the hot
level of the baffle, when the fluid is warm ( Figure 58 ).
10. Install the cap onto the filler neck.
WARNING
Hydraulic fluid escaping under pressure can
penetrate skin and cause injury.
• If hydraulic fluid 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.
• Keep your body and hands away from
pin-hole 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.
• Make sure that all hydraulic-fluid hoses
and lines are in good condition and all
hydraulic connections and fittings are
tight before applying pressure to hydraulic
system.
Replacing the Hydraulic Filter and
Hydraulic Oil
Service Interval: After the first 8 hours
Every 250 hours—Change the hydraulic filter and the
hydraulic oil when using Mobil
® 1 oil.
Every 500 hours—Change the hydraulic filter and the
hydraulic oil when using Toro
® HYPR-OIL ™ 500
hydraulic oil.
WARNING
Hot hydraulic fluid can cause severe burns.
Allow the hydraulic fluid to cool before performing
any maintenance to the hydraulic system.
1. Disengage the PTO and set the parking brake.
2. Stop the engine and wait for all moving parts to stop
before leaving the operating position.
Important:
Do not substitute an automotive oil
filter, or severe hydraulic-system damage may
result.
3. Locate the filter under the fuel tank and place a drain
pan under the filter (
Figure 59 ).
43