Grizzly G0458Z User Manual

Model G0458Z (Mfd. Since 7/19)
-31-
Proper tension is important for optimum power
transmission. However, too much tension may
cause premature bearing failure.
Correct V-belt tension is achieved when the
V-belts can be deflected
1
⁄2"–
3
⁄4" when pushed in
the middle with moderate pressure. See Figure 34
for an example of how to perform a V-belt deflec-
tion test with a straightedge and ruler.
Items Needed Qty
Hex Wrenches 4 & 8mm ............................. 1 Ea.
Phillips Head Screwdriver #2
.............................1
Straightedge
.......................................................1
Ruler
...................................................................1
Tensioning V-Belt
Figure 34. Checking V-belt tension with a
straightedge and a ruler (belt access panel
removed).
To adjust V-belt tension:
1. DISCONNECT MACHINE FROM POWER!
2.
Open belt access panel.
3. Check tension of V-belt, then adjust tension
by loosening motor mount cap screws shown
in Figure 35.
NOTICE
New V-belts will often stretch and loosen
after approximately 16 hours of use. Check
frequently after installation and re-tension
if necessary.
Figure 35. Feed belt V-belt tension.
V-Belt
Motor Mount
Cap Screws
4. Tension V-belt by pushing down on bottom
motor pulley with one hand, then tighten
motor mount cap screws and check belt ten-
sion.
5. Repeat Steps 3-4 as needed until V-belt is
correctly tensioned, then replace belt access
panel.
Always inspect V-belt for damage or dete-
rioration when adjusting for tension. Should
you find evidence of cracking, abrasion or
damage from wood chips or other foreign
materials, replace the belt immediately. Belt
breakage may lead to mechanical damage
or operator injury.
Straightedge
Ruler

Grizzly G0458Z Specifications

General

Brand	Grizzly
Model	G0458Z
Category	Sander
Language	English