GVM-VAC GVM6600-CM, Owner'S Manual

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59
GVM-VAC
www.gvm-vac.com
Service Section
figure 5.3c
Shown with part of pedistal cut away
5.3 Replacing the Drive Belt (if equipped),
Review the safety section of this manual before attempt-
ing these procedures.
Installing the Drive Bearings:
1. Make sure the shaft is clean and remove any burrs.
2. Bolt up the rear bearing (closest to the engine) to the
frame.
3. Bolt the front bearing to the bearing plate
4.
Bolt the bearing plate (fig. 5.3c) up to the blower housing
and bearing frame.
5. Slide the shaft through the front bearing, making sure the
front locking collar is slid on to the shaft.
6. Once the shaft is through the front bearing, install the
pulley onto the shaft, but don't tighten it until the bearings
have been installed and your sure the two pulleys are
lined up correctly.
7. Slide the shaft through the rear bearing (closest to the
engine). Make sure the front locking collar is put on be-
fore the bearing.
8. Once the shaft is in place, lock down the bearings:
9. Starting with the rear bearing (closest to the blower hous-
ing) install the rear collar on the blower housing side
(figure 5.3b).
10. Push the set collar up to the bearing.
11. Tighten the set screw.
12. Install the front locking collar sliding the locking collar up
to the bearing and the turn the collar clockwise until is
slips over the inner ring extension and engages the ec-
centric. Turn by hand until the parts are locked together.
13. Place a punch or drift in the blind hole in the collar and
strike it sharply to the lock the collar and ring tightly to-
gether