-33-
Model W1854 (For Machines Mfd. Since 02/18)
SE
RV
IC
E
Proper V-belt 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-belt
deflects
1
⁄
2
"—
3
⁄
4
" when pushed in the middle with
moderate pressure. See
Figure.30
for an example of how
to perform a V-belt deflection test with a straightedge
and ruler.
Items.Needed.
Qty
Hex Wrenches 4 & 8mm ..................................1 Ea.
Phillips Screwdriver #2 .........................................1
Straightedge .....................................................1
Fine Ruler 12" ...................................................1
Tensioning.V-Belt
Figure.30.
Checking V-belt tension with a
straightedge and fine ruler.
NOTICE
New.V-belts.will.often.stretch.and.loosen.after.mod-
erate. use.. Check. frequently. after. installation. and.
re-tension.if.necessary..
To.adjust.V-belt.tension,.do.these.steps:
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 (see
Figure
31
).
4..
Tension V-belt by pushing down on bottom motor
pulley with one hand, then tighten motor mount cap
screws and check belt tension.
5. Repeat
Steps.3-4
as needed until V-belt is correctly
tensioned, then replace belt access panel.
Always. inspect. V-belts. for. damage. or. deterioration.
when.adjusting.for.tension..Should.you.find.evidence.
of.cracking,.abrasion.or.damage.from.wood.chips.or.
other. foreign. materials,. replace. the. belt. immedi-
ately..Belt.breakage.may.lead.to.mechanical.damage.
or.operator.injury.
Figure.31.
V-belt tension adjustments.
Motor Mount
Cap Screws
V-Belt
Summary of Contents for W1854
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