Castle TSM-21 Serial 64234 and above (Bosch) Operator Manual - Manual (Page 21)

CASTLE, INC TSM-21 OWNERS MANUAL V2.0 Page 21 of 41
4.6 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.
• 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. (Fig 15)
Fig 15 Fig 16
Note: 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.
• From the Rear Door of the machine locate the Bearing Jack plate on the inner wall of the
cabinet. (Fig 16)
• Loosen, but do not remove, the nut on the plate that is nearest to the carriage axle.
• 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.