Castle TSM-21 Serial 61076 to 64233 (Parker) Operator Manual - Manual (Page 20)

Pilot Drill Height Adjustment
The position of the Pilot Hole can be raised or lowered slightly to accommodate various
thickness in work pieces or various pocket depths.
ƒ On the sides of the machine case, secure the Carriage Centering Screw with a 1
/
8
” allen
wrench. Loosen - but do not remove - the nylon lock nuts securing the set screw of the
Motor Carriage to the machine case. (Figure 15)
IMPORTANT
The left-to-right alignment of the Motor Carriage may shift if care is not taken during the
loosening of the nylon lock nuts. Make sure that each preload set screw is secured with an
allen wrench before loosening each lock nut.
ƒ From the Rear Door of the machine locate the Bearing Jack plate on the inner wall of the
cabinet. (Figure 16)
Figure 15 Figure 16
ƒ Loosen, but do not remove, the nut on the plate that is nearest to the carriage axle.
ƒ Remove the nut and bolt on the plate that is farthest from the carriage axle. Typically this
nut and bolt are factory set to the center hole of the five holes on this end of the plate.
ƒ To raise the pilot hole, slide the plate upward one or two hole positions (each hole
position equals
1
/
16
” of drill position). To lower the pilot hole, slide the plate downward.
ƒ Reattach the nut and bolt in the new hole position, and secure in place.
ƒ Tighten the nut on the plate that is nearest to the carriage axle.
ƒ Repeat for the other side.
ƒ On the outside of the machine, secure the Carriage Centering Screw with a 1
/
8
” allen
wrench and tighten the nuts securing the pivot point of the Motor Carriage to the machine
case.
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