Hitachi P 20SB Instruction Manual page 13

(2) As shown in Fig.7 slide the rear side of the cutter
blade in the direction indicated by the arrow to
disassemble the cutter blade.
CAUTION:
It is not necessary to disassemble the back metal
from the cutter blade. (See Fig.8)
Disassembling the back metal from the cutter
blade is to be made only at grinding the cutter
blade.
2. Cutter blade assembly:
CAUTION
Prior to assembly, thoroughly wipe off all swarf
accumulated on the cutter blade.
(1) Turn the cutter block flat surface sideways, and
assemble the adjusted cutter blade as shown in
Fig.9. Ensuring that the leaf spring on the cutter
block is correctly fitted to the hole on the rear
plate, push the back of the cutter blade with a
fingertip in the direction indicated by the arrow,
until the edge of the back metal is properly fitted
to the cutter block surface.
Correct installation is illustrated in Fig.10.
Fig. 10 (Correct installation)
(2) Place the blade holder on the completed
assembly, as shown in Fig.12, and fasten it with
the three bolts. Ensure that the bolts are securely
tightened.
(3) Turn the cutter block over, and set the other side
in the same manner.
Fig. 7
Machine screw
Back metal
Fig. 8
Surface cutter block
Fig. 9
Fig. 11 (Erroneous installation)
Blade holder
Fig. 12
English
Cutter blade
Edge of
back metal
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