Toro 30581 Groundsmaster 580-D Operator's Manual page 39

2. Each day after operation, clean debris from the radiator
grille. Clean more frequently in dusty and dirty
conditions.
A. Move seat forward as far as possible.
B. Remove upper and lower grille assemblies (Fig. 40).
C. Use compressed air to clean the grilles and remove
debris from grille mounting areas.
D. Install grilles after cleaning, lower and lock seat in
position.
Figure 40
1. Upper grille
3. Every 100 hours operation, clean the radiator and
hydraulic cooler fins. Clean more frequently in dusty
and dirty conditions.
A. Use procedures in step 2, items A–C.
B. Unlatch latch handles on both sides and remove
radiator cowl and grille support (Fig. 41).
2. Lower grille
39
Figure 41
1. Latch handles
2. Radiator cowl
C. Remove wing nuts securing top of oil cooler to
upper radiator support and pivot top of oil cooler
away from radiator (Fig. 42).
D. Unlatch and raise hood and prop it open. Use
compressed air from the engine fan side to clean the
radiator and oil cooler fins.
E. Assemble components after cleaning is completed.
Figure 42
1. Oil cooler
2. Radiator
3. Grille support
3. Wing nuts