Toro Greens Aerator, Service Manual

Page: 111 / 130

Removal (Fig. 4)
1. Park the machine on a level surface, fully raise the
coring head and stop the engine. Remove the key from
the ignition switch.
2. Raise lock–up brackets on each side of machine and
lower coring head until it rests on brackets.
3. Unlatch and remove coring head cover.
4. Loosen two (2) lock nuts (item 6) to allow chain slack.
5. Rotate coring assembly by hand to locate drive chain
connecting link. Remove connecting link from drive
chain.
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1
Figure 5
6. Remove drive chain from coring head.
1. Upper crank arm alignment hole
2. Lower crank arm alignment hole
Installation (Fig. 4)
1. Route end of drive chain down between upper crank
arm assembly sprocket and chain guard.
2. Insert alignment pins through holes in coring head
plates and crank arm sprockets (see Fig. 5 and Opera-
tor’s Manual).
3. Place lower end of chain onto approximate center of
lower crank arm assembly sprocket. Pull chain slack up-
ward and position chain onto upper crank arm assembly
sprocket.
4. Route upper free end of chain downward in front of
idler sprocket, behind drive sprocket on power shaft and
then around front of lower crank arm assembly sprocket
to opposite end of chain (Fig. 6).
5. Install connecting link to attach chain ends:
A. Lubricate connecting link pins, chain bushings
and connecting link o–rings.
Figure 6
4
3
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B. Place o–ring on both connecting link pins and in-
1. Upper crank sprocket 3. Idler sprocket
sert connecting link to chain ends.
2. Lower crank sprocket 4. Drive sprocket
C. Place o–ring on both connecting link pins and
install connecting link side plate.
D. Secure connecting link with spring lock making
sure that spring lock fits into grooves of connecting
link.
6. Adjust coring head chain tension (see Operator’s
Manual). Lubricate chain.
7. Install coring head cover.
8. Lower coring head lock–up brackets before machine
use.
Coring Head
Greens Aerator Page 8 – 5 Coring Head
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