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16
MAINTENANCE (Continued)
GRINDING MOTOR BELT REPLACEMENT/
ALIGNMENT
To replace or inspect the grinding motor belt,
remove the right side cover panel. To remove the
belt, pull down on the tensioner pulley.
For the belt to function properly the grinding shaft
pulley and the grinding motor pulley must be in line
with the tensioner pulley. To adjust the pulley
position loosen the setscrews on the pulley.
Locate the belt in the center of the idler pulley.
Measure from the arm to the edge of the belt at the
idler pulley. Adjust the two other pulley's until the
same measurement is achieved and tighten the
pulley setscrews.
Reinstall the right side cover panel, then run the
grind motor to assure that the belt is not misaligned.
The belt will walk off the pulley if the system is not
aligned properly.
TRAVERSE BELT REPLACEMENT
To replace the traverse belt, remove the left side
cover panel, then loosen the nuts on the left side
pulley that are used to tension the belt. Remove the
right side cover panel. Loosen the screws holding
the traverse motor and tilt the bottom of the motor
out releasing any remaining tension on the belt. On
the left side remove the nut from the bottom belt
tensioning screw, this will allow the belt to be
removed.
Place a new belt on the left pulley making sure it is
seated properly in the cogged teeth and replace the
locknut. Feed the new belt throught the slot on the
right arm and place on motor pulley. Use the motor
as a lever to apply tension to the new belt. Tighten
motor screws and adjust the tension in the belt as
specified in the BELT TENSION section. Adjust the
height of the motor pulley if necessary so the belt is
located in the center of the traverse belt clamp.
Reinstall the left side and right side cover panels,
then test the traverse motor.
FIG. 13
FIG. 12