Service manual

8
4. Turn the spreader tool with
the leverage rod to increase
(or decrease) the belt
tension by ~1/4 turn
increments. Re-measure
the tension with the gauge
again several times.
Continue this procedure
until the tension reading is
consistently measured at
about 2 lbs.
5. Tighten the motor mounting
bolts, and make another
tension measurement. The
tension will have increased
slightly, depending how
loose the bolts had been.
The final belt tension should
not read significantly higher
than 2.5 lbs. Remove the
spreader tool from the
machine by turning the
knurled ring.
6) Double check for proper pulley alignment and set screw tightness.
Replacing Motor and Drive Pulleys (Large pulley #12-828, Small pulley #12-829)
1) Remove the appropriate motor housing(s), as above.
2) Loosen the 4 motor mounting bolts, slide the motor to the left, and remove the
motor belt. Inspect the belt for damage or wear; if either of the pulleys has failed or
been damaged, belt
replacement is recommended
as well.
3) Loosen and remove the two set
screws on the pulley that will be
removed with a 1/8” Allen
wrench. Place a pry bar or
large screwdriver between the
pulley and motor mounting
plate, and pry the pulley from
the shaft. Note: This may be
difficult when attempting to
remove a large drive pulley
from a splined shaft, as the set
Close up of belt tension gauge tip. Push only
until shoulder contacts bracket.