Grizzly G0796 Owner's Manual page 37

Vertical mill w/power feed & dro
Table of Contents

Advertisement

Setting G0796 Spindle Speed
The Model G0796 has eight spindle speeds—four
in low motor speed and four in high motor speed.
Setting the spindle speed involves: 1) Selecting
the spindle speed range, 2) positioning the V-belt,
and 3) setting the spindle switch.
To set Model G0796 spindle speed:
1.
DISCONNECT MACHINE FROM POWER!
2.
Use chart below or spindle speed chart on
headstock to find appropriate spindle speed
for your operation (see Figure 33).
3.
Pull spindle speed range selector knob (see
Figure 33) out, position in HIGH or LOW
range, then release knob to seat knob pin in
detent.
Note: If it is difficult to move range selector
knob, rotate spindle by hand to help mesh
gears until selector moves freely.
Model G0796 Spindle Speed Ranges
Low Range
80, 135, 210, & 325 RPM
High Range
660, 1110, 1750, & 2720 RPM
Spindle Speed
Chart
Figure 33. Model G0796 available spindle
speeds, location of spindle speed chart, and
range selector knob in the HIGH position.
Model G0796/G0797 (Mfd. Since 1/18)
Spindle Speed
Range Selector Knob
4.
Move range lever shown in Figure 34 to
HIGH or LOW position.
Range
Lever
High
Figure 34. Model G0796 range lever.
5.
Firmly grasp spindle, then quickly rotate it
back and forth until you hear/feel front pulley
drop into spindle clutch.
— If this step was not successful, use HIGH-
LOW range lever to re-set speed range,
then repeat this step until you are certain
that spindle is seated into spindle clutch.
6.
Remove belt housing side covers on either
side of head to expose V-belt and pulleys, as
shown in Figure 35.
7.
Loosen two motor lock levers, one on each
side of head, then pull belt tension adjust-
ment lever forward to release V-belt tension
(see Figure 35).
Adjustment Lever
V-Belt & Pulley
Access
Figure 35. Model G0796 V-belt and pulleys
exposed for setting spindle speed.
Low
Lock Lever
(1 of 2)
-35-

Advertisement

Table of Contents
loading

This manual is also suitable for:

G0797

Table of Contents