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Tensioning V-Belt
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
in the middle with moderate pressure. Refer to
Figure 37 for an example of how to perform a
V-belt deflection test with a straightedge and ruler.
Items Needed
Hex Wrenches 4, 8mm ................................1 Ea.
Phillips Head Screwdriver #2 ............................ 1
Straightedge 36" ................................................ 1
Ruler 12" ............................................................ 1
Straightedge
Figure 37. Checking V-belt tension with a
straightedge and a ruler.
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.
Model G0458ZX (Mfd. Since 04/24)
⁄
"–
⁄
" when pushed
1
3
2
4
Qty
Ruler
To tension V-belt:
DISCONNECT MACHINE FROM POWER!
1.
Open belt access panel.
2.
Check tension of V-belt, then adjust tension
3.
by loosening motor mount cap screws shown
in Figure 38.
V-Belt
Motor Mount
Cap Screws
Figure 38. V-belt components.
Tension V-belt by pushing down on bottom
4.
motor pulley with one hand, tighten motor
mount cap screws, then check belt tension.
Repeat Steps 3–4 as needed until V-belt is
5.
correctly tensioned, then install belt access
panel.
NOTICE
New V-belts will often stretch and loosen
after approximately 16 hours of use. Check
frequently after installation and re-tension
if necessary.
-33-
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