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ProCore 648Page 7 – 12Coring Head
Secondary Drive Belt
1. Secondary drive belt
2. Cap screw
3. Secondary pulley
4. Cap screw
5. Flange bushing
6. Idler pulley
7. Idler pivot tube
8. Idler arm
9. Lock nut
10. Carriage screw (2 used)
11. Flange nut (2 used)
12. Idler spring arm
13. Extension spring (2 used)
14. Coring crankshaft pulley
15. #1 stomper arm
Figure 12
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3
4
6
8
9
10
11
13
1
5
14
5
7
12
15
FRONT
RIGHT
Removal (Fig. 12)
1. 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.
2. Remove belt cover and rear hood from machine (see
Operator’s Manual).
CAUTION
Be careful when lifting the idler pulley. The idler
pulley is spring loaded and may cause personal
injury.
1. Extension springs
2. S
p
rin
g
arm
3. Upper flange nut
4. 1/2” drive hole
Figure 13
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3
4
2