Coring Head Drive Jackshaft
6
5
7
6
8
10
9
9
4
8
3
2
11
11
1
12
5
10
13
2
1
2
3
4
14
15
FRONT
RIGHT
Figure 17
1.
2.
3.
4.
5.
Primary pulley
Taper lock bushing
Lock washer
Cap screw
6.
7.
8.
9.
Woodruff key
11. Set screw
12. Lock nut (2 used per bearing)
13. Secondary pulley
14. Secondary drive belt
15. Coring crankshaft
Jackshaft
Cap screw (2 used per bearing)
Flange mount bearing
10. Plug
Set screw
Removal (Fig. 17)
Park machine on a level surface, fully raise coring
head, engage parking brake, stop engine and remove
key from the ignition switch. Secure coring head with
service latch.
5. Loosen taper lock bushings (Fig. 18):
1.
A. Remove three (3) cap screws and lockwashers
that secure taper lock bushing to pulley.
IMPORTANT: Excessive or unequal pressure on the
cap screws can break the taper lock bushing flange.
When removing taper lock bushing, tighten screws
progressively and evenly.
2.
Remove belt cover and rear hood from machine (see
Operator’s Manual).
3.
jackshaft pulleys (see Primary Drive Belt Removal and
Secondary Drive Belt Removal in this section).
Remove primary and secondary drive belts from
B. Insert cap screws into threaded removal holes of
the bushing. Tighten screws progressively and even-
ly until the pulley is loose on the bushing.
4.
Loosen cap screws and lock nuts that secure flange
6. Loosen set screws (item 5) that secure taper lock
bushings to jackshaft. Remove bushings and pulleys
from the jackshaft. Locate and retrieve woodruff keys
(item 6) that locate bushings on jackshaft.
mount bearings to machine frame. Support jackshaft as-
sembly, remove loosened cap screws and lock nuts and
remove jackshaft assembly from machine.
Coring Head
Page 7 – 14
ProCore 648
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro 648 |
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| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
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| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
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