Toro Groundsmaster 3280-D Service Manual page 165

Flushing the Hydraulic System (continued)
Groundsmaster ® 3280-D/3320
05138SL Rev B
8. Perform the following to prevent engine from starting:
A. Disconnect the electrical connector to the fuel stop solenoid on
Groundsmaster 3280-D machines.
B. Disconnect and ground all engine spark plug wires on Groundsmaster
3320 machines.
9. Prime the hydraulic pump; refer to
10. Connect the fuel stop solenoid (Groundsmaster 3280-D) or spark plug wires
(Groundsmaster 3320) to allow the engine to start.
11. Start the engine and operate it at low-idle speed for a minimum of 2 minutes.
Increase the engine speed to high idle for a minimum of 1 minute under
no load.
12. Raise and lower the cutting deck several times. Turn the steering wheel fully
left and right several times.
13. Shut off the engine and check for hydraulic-fluid leaks.
Note: Check the hydraulic-fluid level in the hydraulic reservoir (front axle)
and add correct quantity of fluid if necessary; refer to the Operator's Manual.
14. Operate the machine for 2 hours under normal operating conditions.
15. Check the condition of hydraulic fluid. If new fluid shows any signs of
contamination, repeat steps
16. When the hydraulic fluid is free from contamination, assume normal operation
and follow the recommended maintenance intervals.
Priming the Hydraulic Pump (page
1 through 14 again until the fluid is clean.
Page 5–81 Hydraulic System: Service and Repairs
5–79).