Grizzly G3616 Owner's Manual page 45

Horizontal Spindle (G3617 Only)
1.
Open the access panel to the horizontal
spindle pulleys.
2.
Loosen the bolt that holds the center pulley
set (See Figure 60) in place. The bolt can
be accessed through the opening next to the
tension nut.
3.
Remove the tension nut between the motor
and the middle pulley sets to release tension
on the V-belts.
4. Slide the center pulley set to the right to
release tension and allow belt movement.
5.
Remove the damaged V-belt and replace
it. Note: The upper V-belt must be installed
first.
6. Move the V-belts to the appropriate pulley
sets for the needed RPM.
7. Move the center pulley set back into position
and reinstall the tension nut, bring the pulleys
to the proper tension.
8.
Tighten the nut to secure the center pulley
set.
9. Close the access cover by inserting the knob
screw, then connect the machine to the
power source.
G3616/G3617 Mill
Nut to Loosen/
Tighten Tension
on V-Belts
Figure 60. Horizontal spindle access area.
V-Belts Directly
Spindle
1.
To replace the V-belts that are mounted on
the spindle, first complete Steps 1–4 from the
Horizontal Spindle instructions.
2. Loosen the spindle tension bolt. Do not loos-
en the nut (see Figure 60).
3. Pull the upper pulley set up to loosen tension
on the spindle pulleys.
4.
Remove the damaged V-belt and replace it.
5. Tighten spindle tension bolt.
6. Push the upper pulley set back into position.
7. Complete Steps 7–9 from the Horizontal
Spindle instructions.
Spindle
Tension Bolt
Center Pulley
Set
on Horizontal
43