Toro GROUNDSMASTER 580-D 30581 Operator's Manual page 33

A. Use procedures instep 2, items a-c.
B. Unlatch the latch handles on both sides and
remove the radiator cowl and grille support
(Fig. 40).
1. Latch handles
2. Radiator cowl
3. Grille support
C. Remove the wing nuts securing the top of the oil
cooler to the upper radiator support and pivot the
top of the oil cooler away from the radiator (Fig.
41).
D. Unlatch and raise the hood and prop it open. Use
compressed air from the engine fan side to clean the
radiator and oil cooler fins.
E. Re-assemble components after cleaning is
completed.
1. Oil Cooler
2. Radiator
3. Wing Nuts
4. Every 100 hours operation, inspect the fan belt for
condition and proper tension. Replace the belt if
Figure 40
Figure 41
needed. Check and adjust tension as follows:
A. Unlatch and raise the hood and prop it open.
Unlatch and remove the right side panel.
B. Proper tension will allow 13mm deflection
when a force of 14 Nm is applied on the belt
midway between the pulleys. If deflection is
incorrect, proceed to step c; If deflection is
correct, install the panel and close the hood.
C. Loosen the bolts (3) securing the alternator to
the plate and mounting bracket (Fig. 42).
Rotate the alternator away from the engine to
increase tension and tighten the bolts. Check
belt tension after adjustment and re-adjust, if
necessary.
1. Alternator
D. Install the panel and close the hood.
5. Every 100 hours operation, check the condition of
the cooling system hoses and the tightness of
connections. Repair, as needed.
6. Every 1,000 hours, or yearly, drain and flush the
cooling system and replace the thermostat and hose
assemblies.
GENERAL AIR CLEANER
MAINTENANCE
1. Check the air cleaner body for damage that could
possibly cause an air leak. Replace a damaged air
cleaner body.
2. Service the air cleaner filter every 200 hours (more
frequently in extreme dusty or dirty conditions).
Maintenance
Figure 42
33