Toro Groundsmaster 360 Service Manual page 129

Flushing the Hydraulic System (continued)
Groundsmaster 360
16225SL Rev C
Before opening the hydraulic system, operate all the hydraulic
controls to release system pressure and avoid injury from the
pressurized hydraulic fluid; refer to
Hydraulic System (page
2. Park machine on a level surface, lower the cutting deck, shut off the engine,
set the parking brake, and remove the key from the key switch.
Note: Ensure that you clean all the hydraulic connections that are
disconnected for draining.
3. Drain the hydraulic fluid from the hydraulic tank and transmission.
4. Drain the complete hydraulic system. Drain all the hoses, tubes, and
components while the system is warm.
5. Remove and replace the hydraulic-fluid filter.
6. Inspect and clean the hydraulic-fluid tank; refer to
Tank (page 4–77).
7. Connect all the hydraulic hoses, tubes, and components that were
disconnected while draining the system; refer to
and Tube (O-Ring Face Seal Fitting) (page
Using other hydraulic fluids could damage the hydraulic system.
Use the hydraulic fluids that are specified in the Operator's Manual.
Use of biodegradable hydraulic fluid in the Groundsmaster 360
machines is not recommended.
8. Fill the hydraulic tank with the correct quantity of new hydraulic fluid.
9. Prime the hydraulic pumps; refer to
4–69).
10. Start the engine and operate it at low-idle speed (1,400 rpm) for a minimum
of 2 minutes. Increase the engine speed to high idle (3,000 rpm) for a
minimum of 1 minute under no load.
11. Raise and lower the cutting deck several times.
12. Shut off the engine and check for hydraulic-fluid leaks.
Note: Check the hydraulic-fluid level in the hydraulic tank and add correct
quantity of fluid if necessary; refer to the Operator's Manual.
13. Operate the machine for 2 hours under normal operating conditions.
14. Check the condition of hydraulic fluid. If new fluid shows any signs of
contamination, repeat steps
15. When the hydraulic fluid is free from contamination, assume normal operation
and follow the recommended maintenance intervals.
CAUTION
Releasing Pressure from the
4–5).
IMPORTANT
Priming the Hydraulic Pumps (page
1 through 13 again until the fluid is clean.
Page 4–71
Inspecting the Hydraulic
Installing the Hydraulic Hose
4–8).
Hydraulic System: Service and Repairs