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Service Manual

ManualsBrandsToro ManualsRiding ProductsZ Master Professional 7500-D Series Riding Mower, With 60in TURBO FORCE Rear Discharge Mower
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7-16
Z Master 7500-D Series Service Manual
March 2018 - Digital Edition
Table of Contents
DRIVE
Flushing the Hydraulic System
IMPORTANT: Flush the hydraulic system whenever there is a severe component failure or the system is
contaminated. For example, the uid appears milky, black, or contains metal particles.
1. Ensure that the hydraulic uid is at normal operating temperature by operating the machine for at least 20
minutes.
2. Park the 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 to clean all the hydraulic connections that are disconnected for draining.
3. Drain the hydraulic uid from the hydraulic tank and transmission.
4. Drain the complete hydraulic system. Drain all the hoses, tube, and components while the system is warm.
5. Remove and replace the hydraulic uid lter.
6. Inspect and clean the hydraulic uid tank.
IMPORTANT: Follow all local codes and regulations when recycling or disposing the hydraulic uid and lters.
7. Connect all the hydraulic hoses, tubes, and components that were disconnected while draining the system.
IMPORTANT: Using other hydraulic uids could damage the hydraulic system. Use the uids that are specied in
the operator’s manual.
8. Fill the hydraulic tank with the correct quantity of new hydraulic uid.
9. Prime the hydraulic pumps, see “Priming the Hydraulic Pumps,” chapter 7, page 7-15.
10. 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.
11. Raise and lower the cutting deck several times.
12. Shut off the engine and check for hydraulic uid leaks.
NOTE: Check the hydraulic uid level in the hydraulic tank and add correct quantity of uid if necessary.
Refer to the operator’s manual.
13. Operate the machine for two hours under normal operating conditions.
14. Check the condition of the hydraulic uid. If new uid shows any signs of contamination, repeat steps 1-13
until the uid is clean.
15. Assume the normal operation and follow the recommended maintenance intervals.