Brake Maintenance; Adjusting The Parking Brake - Toro Z Master Professional 7500-D Series Operator's Manual

6. Remove the coolant hose from the oil cooler and
drain the coolant from the engine block
57).
Figure 57
1. Coolant hose
7. Install the drain plugs and hoses.
8. Fill radiator with a 50/50 mix of water and
ethylene glycol.
Note:
The use of Havoline
coolant is recommended.
Allow some room (approximately 12.7 mm (1/2
inch)) for expansion. Add 50/50 coolant mix to
the overflow bottle on the left side of the engine
as required to bring the level up to the indicator
line on the bottle.
9. Operate engine until the engine thermostat
opens and the coolant is circulating through the
radiator core.
As air purges from the engine block and the
coolant level drops, add additional coolant to the
radiator.
10. When the radiator is completely full and no
additional coolant can be added, continue
running and install the radiator cap.
Ensure that the cap is completely seated by
pressing down firmly while turning, until the cap
stops. Once the cap is installed, shut off the
engine.
(Figure
g233651
Xtended Life
®
49

Brake Maintenance

Adjusting the Parking
Brake
Service Interval: After the first 100 hours
Every 400 hours
Check to ensure that parking brake is adjusted
properly. Follow this procedure also whenever you
have removed or replaced a brake component.
1. Park the machine on a level surface, disengage
the blade-control switch, and engage the parking
brake.
2. Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3. Raise the rear of the machine up and support
the machine with jack stands.
4. Remove the rear tires from the machine.
5. Remove any debris from the brake area.
6. Release the drive wheels; refer to
Drive Wheel Release Valves (page
7. Measure the length of the link assembly
58).
Note:
If the link assembly is attached in the
front position, the length should be 219 mm
(8-5/8 inches); if it is attached in the rear
position, the length should be 232 mm (9-1/8
inches).
Releasing the
44).
(Figure