5 ENGLISH
Permissible shearing thickness
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2
► 1. Gauge for stainless: 2.5 mm (3/32") 2. Gauge for
mild steel: 3.2 mm (1/8")
The groove on the yoke serves as a thickness gauge for
shearing mild or stainless steel plate. If the material ts
within the groove, it is shearable.
The thickness of materials to be sheared depends upon
the type (strength) of the material. The maximum shear-
ing thickness is indicated in the table below in terms of
various materials. Attempting to shear materials thicker
than indicated will result in tool breakdown and/or possi-
ble injury. Keep within the thickness shown in the table.
Max. cutting capacities mm ga
Steel up to 400 N/mm
2
3.2 10
Steel up to 600 N/mm
2
2.5 13
Steel up to 800 N/mm
2
1.5 17
Aluminum up to 200 N/mm
2
4.0 9
ASSEMBLY
CAUTION:
• Always be sure that the tool is switched off and
unplugged before carrying out any work on the
tool.
Blade inspection
Before using the tool, check the blades for wear. Dull,
worn blades will result in poor shearing action, and the
service life of the tool will be shortened.
The service life of the blades varies in terms of the
materials to be cut and the xed blade clearance.
Roughly speaking, a blade can cut about 500 m of 3.2
mm mild steel with one cutting edge (total 2,000 m with
four cutting edges).
Rotating or replacing blades
Both the upper and lower blades have four cutting
edges on each side (the front and back). When the
cutting edge becomes dull, rotate both the upper and
the lower blades 90° to expose new cutting edges.
When all eight edges are dull on both the upper and
lower blades, replace both blades with new ones. Each
time blades are rotated or replaced, proceed as follows.
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2
3
4
► 1. Hex wrench 2. Lower blade 3. Upper blade secur-
ing bolt 4. Upper blade
Remove the blade securing bolts with the hex wrench
provided and then rotate or replace the blades.
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2
3
► 1. Tighten 2. Upper blade securing bolt 3. Upper
blade
Install the upper blade and tighten the upper blade
securing bolt with the hex wrench. Press up on the
upper blade while tightening it.
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2
3
4
► 1. Blade holder 2. Upper blade securing bolt
3. Upper blade 4. No gap allowed
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