To Eliminate Carriage Infeed Backlash - Foley United ACCU-Pro 670 Assembly And Service Manual

ADJUSTMENTS (Continued)

TO ELIMINATE CARRIAGE INFEED BACKLASH

If there is backlash in the carriage infeed handwheel
(FIG. 35), 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
shouder-bolt hole. Then turn the nut one
o
notch (40 ) further.
C. Reinstall the shoulder bolt to lock the nut in
position.
2. Washers behind the handwheel:
A. Remove the setscrew holding the calibration
ring to the handwheel.Go through the set
screw hole and loosen the setscrew holding
the handwheel to the shaft (about one-half
turn).
B. Tighten the hex nut which secures the hand
wheel to 100 in.-lbs [1.15 kg-m], then back it
off 1/2 turn.
C. Check for .015 in. [0.4 mm] gap between the
wave washer and flat washer. See the insert
to FIG. 35. Readjust the hex nut if
necessary.
D. Tighten the set screw holding the handwheel
to the shaft. Reinstall and tighten the
calibration ring setscrew.
22
FIG. 35