CASTLE, INC TSM-21 Bosch Motor Carriage Install Page 22 of 25
5.3 Pilot Drill Bit
• Open the rear door and unplug the drill motor.
• Locate the black T-Knob to the left of the drill motor at the top of the carriage (Fig23).
Loosen the T-Knob, but do not remove.
Fig 23
• Pull the motor toward the rear of the machine to remove. If there is resistance, push on the
black T-knob to loosen the U-bolt.
• When re-installing insert the motor through the loosed U-bolt until it stops. Make sure the
motor cord is pointing to the floor of the machine. Tighten the black T-Knob to secure motor.
5.4 General Machine Maintenance
The model TSM-21 requires some maintenance. To ensure the productivity and longevity of
your Castle Pocket Cutter, it is essential to follow a few simple steps. How often these steps are
performed depends upon the number of hours the machine is operated each day. As a general
rule, operators should visually inspect the machine at the start of each work shift in the following
manner:
• Check the Power Cord and the Foot Switch cord for wear or damage.
• Ensure that the Router Bit and the Drill Bit are clean, sharp, and undamaged.
• Keep the Router and Drill Motors free from dust build up.