Belt Maintenance; Servicing The 12 V Alternator Belt; Servicing The 24 V Alternator Belt And Ac Compressor Belt; Replacing The Blade-Drive Belts - Toro Groundsmaster 5900 Operator's Manual

Figure 126
1. Coolant hose
8. After draining the engine coolant, close the drain
valve on the radiator-drain hose and connect the
coolant hose.
9. Remove the cap of the expansion tank and fill
it to the Low mark with engine coolant. Install
the cap.
10. Start and run the engine until it reaches
operating temperature.
11. Check the engine-coolant level; refer to
Checking the Engine-Cooling System (page
12. Add coolant to the expansion tank to bring the
coolant level to the Full mark.
13. Check all engine-coolant-hose connections for
leaks.

Belt Maintenance

Servicing the 12 V
Alternator Belt
Service Interval: After the first 10 hours
Every 1,000 hours
Refer to the engine owner's manual (included with the
machine) for the servicing procedure.
g034935
Servicing the 24 V
Alternator Belt and AC
Compressor Belt
Service Interval: After the first 10 hours
Every 1,000 hours
The AC compressor and 24 V alternator belt uses a
spring-loaded tensioner that is pre-set at the factory.
Refer to the Toro Service Manual for the servicing
procedure.
81).
Replacing the Blade-Drive
Belts
Service Interval: Every 50 hours—Inspect the
Every 1,000 hours—Replace the blade-drive
belts.
The blade-drive belt, tensioned by the spring-loaded
idler pulley, is very durable. However, after many
hours of use, the belt will show signs of wear. Signs
of a worn belt are squealing when the belt is rotating;
blades slipping when cutting grass; frayed edges;
burn marks; and cracks. Replace the belt if any of
these signs occur.
Replacing the Front Mower-Deck
Belts
1. Lower the mower deck to the floor.
2. Remove the belt covers from the top of the
mower deck and set the covers aside.
3. On the front deck, center position, loosen the
jam nuts on the idler pulley stop screw and
thread the stop screw into the bracket
127).
84
blade-drive belts.
(Figure