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5.8.8 Knife holder N
Knife holder N accomodates standard knives made of steel or tungsten carbide, profiles c or d,
up to a length of 16 cm. The integrated height adjustment feature allows you to also use knives
that have been resharpened numerous times.
Mounting the knife support bar
• Push knife guard (3) to the center.
• Set the knife support bar (72) onto the height
adjustment screws (not visible) as shown.
The flat ends of the height adjustment
screws must be located in the slots at each
end of the knife support bar.
Prior to inserting the knife, both knife
holder and knife holder base must
have been installed on the instru-
ment.!
Enlarged detail:
75
Knife inserted and
height-adjusted.
3
75
Fig. 27
Leica RM2125
76
74
73
72
Inserting the knife
• Rotate the knurled nuts (73) on the right and
left of the knife holder forward, lowering the
knife support bar to the lowest possible posi-
tion, thus ensuring that the knife edge will
not be damaged when inserting the knife.
• Unscrew the clamping screws (75) as far out
as possible (turn counterclockwise).
• Hold the knife (74) at the knife back and
carefully insert it from one with, the cutting
edge facing upwards.
Knife height adjustment
When adjusting the clearance angle, the knife
edge should be positioned as exactly as possi-
ble in the actual center of rotation of the knife
holder. Edge (76) of the rear clamping jaws
serves as a reference position for correct knife
height adjustment. The knife is positioned cor-
rectly when its cutting edge is parallel to edge
(76).
• Rotate the knurled nuts (73) backward in op-
posite directions until the knife edge is par-
allel to edge (76) (see enlarged detail) of the
rear clamping jaws.
• To clamp the knife (74) evenly screw the two
knife clamping screws (75) inward (turn
clockwise).
5. Operation
29
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