137
Guide Rollers
Adjustment of the front guide rollers may be needed if the bowling center has lanes that
have been injected or if the gutters are even with the lane surface causing the machine to
not track properly. In most cases, adjustment to the guide rollers on one side will be all that
is required.
To adjust the front guide rollers:
1.
Remove the side cover on either side of the machine.
2.
Loosen the set screw the locks the adjusting shaft of the guide wheel assembly.
3.
With a 7/32 socket, turn the adjusting shaft clockwise for the wheel to move ‘away’ from
the lane, and counter-clockwise to tighten to the lane.
4.
Tighten the set screw once the adjustment has been made.
5.
Operate the machine after the adjustment has been made. Repeat adjustment
procedure if necessary until the machine is tracking straight.
Adjusting the Lanes Sensing Whiskers
Adjusting a whisker is done by simply loosening the two set screws that hold it to its pivot
mount and sliding the shaft in or out. The whiskers will be around 6 inches (15.24 cm) from
the side plate of the Walker, depending on foul light castings and the lane installation.
To determine if the whisker adjustment is correct, line the Walker up to just miss the 10-pin
whisker when it enters the lane. The machine should go straight into the lane without either
of the front guide rollers sitting on top of the lane.
If the 7-pin side front guide roller were to hang up on top of the lane this would mean the 10-
pin whisker needs to be extended out from the machine at least half an inch. If you hear the
guide roller snap off the lane when the machine enters the lane, the adjustment may only be
a 1/4-inch (6.35 mm). The 7-pin whisker can be checked the same way.
The gap between each whisker and the
foul light cover should be between 1/2-
inch and 3/4-inch (1.27 cm to 1.91 cm).
REAR GUIDE WHEEL
FRONT GUIDE WHEEL
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