Makita HB350 Original Instructions Manual page 10

FITTING THE CUTTER
N.B. Safety strap and guards have been omitted from the photo's for clarity.
E
nsure power is off before working on the machine
Insertion of pilot pin
• The pilot pin is used to both center the cutter and to
eject the slug on completion of the cut. It has a flat side.
to allow coolant to run down to reach the center of the
cut where the heat is greatest. Slide the pin through the
hole in the center of the cutter shank
FITTING THE CUTTER
Fig. 1
Fig 1.
To insert the cutter in the arbor, first loosen the grub screws,
using an M5 hexagonal wrench. Ensure the grub screws are
sufficiently loose enough to allow the shank of the cutter to
enter freely.
Fig 2.
Ensure the drive flats on the cutter shank are fully aligned with
the two grub screws in the machine arbor.
Fig 3.
Fig. 2
Ensuring the shank of the cutter is fully inserted inside the arbor,
tighten the grub screws fully to give the cutter a secure fitting
inside the arbor.
Fig 4.
The cutter is now ready for use.
FIT THE SAFTY STRAP
Fig. 3
APPLYING COOLANT
• Cutting oil ensures longer cutter life and enables the
slug to be ejected cleanly.
• Oil will be automatically delivered to the cutter when
the cut commences
• When cutting on vertical surfaces or upside down, cutting
paste, gel or foam is recommended. It is best applied inside
the cutter before drilling.
Fig. 4
.