9.
Check and adjust the drive pulley height as follows:
1
A. Slide the height gauge under the drive pulley
(not under the hub).
2
3
B. Loosen jam nuts on three (3) motor mount ad-
justing screws. Equally tighten or loosen adjusting
screws until bottom of pulley rests on height gauge
(approximately 1 1/2 in. (38.1 mm)).
4
C. Tighten jam nuts to secure adjustment. Remove
height gauge.
Figure 21B
10.
Adjust belt tension (See Belt Tension Adjustment in
1.
2.
Top and Middle Grooves
Bottom Grooves
3. Top Grooves
4. Top and Middle Grooves
the Adjustments section of this chapter).
Tighten four (4) cap screws securing slide plate to
motor mount.
11.
12.
Check distance between idler arm and idler stop
screw (Fig. 21C). Distance should be approximately
.380
in. (9.7 mm). If necessary, adjust as follows:
A. Loosen jam nuts on idler stop screw.
B. Adjust stop screw until distance between idler
arm and idler stop screw is approximately .380 in.
2
1
(9.7
mm).
C. Tighten jam nuts to secure adjustment.
Install deck covers.
.380
in.
13.
(9.7
mm)
Outboard Cutting Units
Figure 21C
1.
Position machine onlevel surface, lower cutting unit
1.
Idler arm
2. Idler stop screw
to shop floor, engage parking brake, stop engine and re-
move key from ignition switch.
Note: To remove lower belt, the other two belts must be
removed first.
1
2.
idler pulleys and slide pulleys away from belts.
Remove deck covers.Loosen flange locknuts on
2
3.
Remove flange head screws securing gearbox
plate to deck. To separate plate and drive motor assem-
bly from deck, rotate plate end toward traction unit. Tip
plate, motor and pulley assembly on its side and remove
from deck. Be careful not to bend, twist, kink or damage
flexible hydraulic lines.
Figure 22
4.
Remove belt(s). Position new belts in pulleys and
assemble gearbox and plate assembly to deck.
1. Idler Pulley Flange Locknut
2. Drive Belts
5.
Adjust belt tension (See Belt Tension Adjustment in
the Adjustments section of this chapter).
Groundsmaster 580--D
Rev. E
Repairs
Page 7 -- 13
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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| Language | English |
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