7-2
REPLACING THE BLADE PROTRUSION
The following describes how to replace the blade tips of the tangential cutter and swievel cutter.
Tangential cutter blade
The method to replace a carbide blade 45˚ (SPB-0045) is described below.
Grind the blade tip and crest of the high-speed steel blade using a hand lapper supplied with the device as an acces-
sory.
Ground crest will allow secure installation of the blade in the holder. Grinding the blade tip (to round it) will improve
durability.
Gently rub the blade tip with the hand lapper while checking how far it is ground.
1. Loosen the cutter stopper.
Turn the cutter stopper counterclockwise to loosen it.
2. Replace the blade tip with a new one.
Hold the blade tip with a pair of tweezers supplied with the device
as an accessory.
Insert the blade tip into the holder while carefully checking the ori-
entation of the blade tip.
• Keep your fingers away from the blade tip. Touching the blade tip can injure your fingers.
Round the blade tip. Grind the sloping section.
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