Grizzly G0838 Owner's Manual page 29

Always choose correct spindle speed for
an operation. Using wrong speed may lead
to workpiece being thrown at high speed,
causing severe or fatal impact injuries.
To change speed ranges:
1. DISCONNECT MACHINE FROM POWER!
2. Open front belt access cover, as shown in
Figure 28.
Belt
Access
Cover
Figure 28. Belt access cover opened.
3. Loosen belt-tension
Figure 29).
4. Use belt-tension lever (see Figure 29) to lift
motor assembly all the way up, then re-tight-
en belt-tension lock handle—this will hold
motor in place while you change belt position.
Belt-Tension
Lever
Belt-Tension
Lock Handle
Figure 29. Motor tensioning handle and tension
lock handle.
Model G0838 (Mfd. Since 10/17)
lock handle (see
5. Reach into belt access cavity and roll belt
onto desired set of pulleys, as shown in
Figure 30.
A = High Range
150-2900 RPM
= Low Range
B
100-1300 RPM
Motor
Figure 30. Speed range belt positions.
6.
Loosen belt-tension lock handle and lower
motor.
7.
Apply downward pressure on belt-tension
lever to properly tension drive belt, then
tighten belt-tension lock handle.
Note: When properly tensioned, belt should
deflect about ⁄ " when moderate pressure is
1
8
applied to belt mid-way between upper and
lower pulley, as shown in Figure 31.
Deflection
Figure 31. Testing for
8. Close and secure belt access cover.
Spindle
A
B
Pulley
⁄ "
1
8
Pulley
⁄ " belt deflection.
1
8
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