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ADJUSTMENTS
- ORIGINAL INSTRUCTIONS -
TO ELIMINATE CARRIAGE INFEED BACKLASH
SHOULDER BOLT & BRASS NUT
If there is backlash in the carriage infeed handwheel
(See FIG. 14), there are two adjusting points to check:
1.Conical washers behind the shaft adjusting nut:
A. Unscrew the shoulder bolt.
B. Hold the horizontal handwheel, and turn the shaft
adjusting nut counterclockwise until the conical
washers are touching each other. Continue
turning the nut counterclockwise until the next
notch is centered over the shoulder-bolt hole.
Then turn the nut one notch (40 degrees) further.
C. Reinstall the shoulder bolt to lock the nut in position.
FIG. 14
2.Washers behind the handwheel
CARRIAGE INFEED HANDWHEEL
A. Remove the calibration ring setscrew and rotate
the calibration ring to access the handwheel setscrew.
Loosen the handwheel setscrew (about half a turn).
B. Hold the handwheel and torque the hex lock nut
which secures the handwheel to 100 in. lbs. [1.15 kg-m],
then back off 1/2 turn.
C. Verify that the gap between the wave washer and flat
washer is .015 in. [.04mm]. See FIG 15. Adjust the hex
lock nut if necessary.
D. Tighten the setscrew holding the handwheel of the
shaft. Install and tighten the calibration ring setscrew.
FIG. 15
15
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