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Model W1877 (For Machines Mfd. Since 7/20)
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The drive belt transfers power from the motor to the
cutterhead, and to the infeed and outfeed rollers. To
ensure efficient transfer of power to these systems, make
sure the belt is always properly tensioned and in good
condition.
If the belt is worn, cracked, or damaged, replace it
immediately.
Tools.Needed.
Qty
Hex Wrenches 4, 5mm ....................................1 Ea.
Socket Wrench w/
1
⁄
2
" Socket & 4" Extension ..........1 Ea.
Replacement Belt (PN X1877066) ................ As Needed
To.tension/replace.drive.belt,.do.these.steps:
1.
DISCONNECT MACHINE FROM POWER!
2.
Position headstock at approximately 3" on elevation
scale.
3.
Remove handwheel and depth stop handle.
4.
Remove top cover and righthand side panel to
expose drive belt and pulleys (see
Figure
28
).
5.
Loosen motor tension hex bolt (see
Figure
28
) to
reduce belt tension, and roll old belt off pulleys.
6.
Loop new belt completely around motor pulley but
only halfway on cutterhead pulley.
7.
Apply pressure to belt with one hand, and slowly
rotate motor pulley to fully seat belt in grooves.
Note:
Belt is correctly tensioned when there is
approximately
3
⁄
8
"
deflection when moderate
pressure is applied midway between pulleys, as
illustrated in
Figure
29
. Lift motor to adjust
deflections, then tighten motor tension bolt
.
8.
When belt is fully on both pulleys, rotate it several
times to make sure belt ribs are seated in grooves.
— If belt ribs are not properly seated, roll belt off
pulleys and repeat
Steps.6–8
until they are.
9.
Replace side panel, secure top cover, re-install
cutterhead depth stop handle, and handwheel.
Cutterhead
Pulley
Approximately
3
⁄
8
" Deflection
Motor
Pulley
Figure.29.
Correct amount of belt
deflection.
Tensioning/Replacing.
Drive.Belt
Figure.28.
Drive belt and pulleys.
Cutterhead
Pulley
Motor Tension
Hex Bolt
Belt
Motor
Pulley
After. approximately. 16. hours. of.
operation,.V-belt.will.stretch.and.seat.
into. pulley. grooves. and. need. to. be.
properly. tensioned. to. avoid. severely.
reducing.life.of.V-belt.
V-belt. and. pulleys. will. be. hot. after.
operation.. Allow. them. to. cool. before.
handling.
Содержание Shop Fox W1877
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