Tri Tool CBM-1 Counterbore Module User Manual
Page 11

11
Model CBM-1 Counterboring Module
92-0192 : Rev. 930618
WARNING:
WARNING:
MACHINING SEQUENCE
Check to insure that the Tool Bits are clear of the pipe and that the Clamshell Feed
Pin is retracted.
Slowly rotate the clamshell to insure that the C’bore Tool Bit clears the pipe.
Increase the Clamshell RPM to cutting speed. Refer to section on Cutting Speeds.
To feed the Tool Bit in, hold the Feed Knob.
Do not use a wrench or lever to obtain extra holding strength.
Do not force the feed, if the feed pressure builds up too high, release the
knob for 2 or 3 revolutions before continuing.
When the counterbore is finished, release the Feed Knob and allow the Clamshell to
rotate 2 or 3 times to release the chip.
Retract the Tool Bit.
Remove the C’bore Module from the Tool Block.
Remove the Clamshell from the pipe as described in the appropriate Clamshell
instruction manual.