Toro ProLine H800 Service Manual page 135

Flushing the Hydraulic System (continued)
ProLine H800
19241SL Rev A
6. Drain the complete hydraulic system. Drain all the hoses, tubes, and
components while the system is warm. Flush the hoses and tubes to remove
any contamination.
7. Ensure that the mounting surface of the hydraulic-fluid filter is clean. Apply
clean hydraulic fluid to the gasket on new filter. Tighten the filter until the
gasket contacts the mounting plate, then tighten the filter 3 quarters of a turn.
Using other hydraulic fluids could damage the hydraulic system.
Use the hydraulic fluids that are specified in the Operator's Manual.
8. Fill the hydraulic reservoir with the correct quantity of new hydraulic fluid;
refer to the Operator's Manual.
9. Disconnect the electrical connector to the fuel stop solenoid to prevent the
engine from starting.
10. Prime the hydraulic pump; refer to
11. Connect the electrical connector to the fuel stop solenoid to allow the engine
to start.
12. Start the engine and operate at low idle speed for minimum of 2 minutes.
Increase the engine speed to high idle for a minimum of 1 minute under
no load.
13. Raise and lower the cutting deck, hopper assembly server times. Turn the
steering wheel fully left and right several times.
14. 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.
15. Operate the machine for 2 hours under normal operating conditions.
16. Check the condition of hydraulic fluid. If new fluid shows any signs of
contamination, repeat steps
17. When the hydraulic fluid is free from contamination, assume normal operation
and follow the recommended maintenance intervals.
IMPORTANT
Priming the Hydraulic Pump (page
1 through 15 again until the fluid is clean.
Page 5–67 Hydraulic System: Service and Repairs
5–70).