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FUNCTIONAL DESCRIPTION
CAUTION:
•
Always be sure that the tool is switched off and
unplugged before adjusting or checking function on
the tool.
Switch action
2
CAUTION:
•
Before plugging in the tool, always check to see
that the switch lever (paddle switch) actuates prop-
erly and returns to the "OFF'' position when
released.
•
The switch lever does not actuate when the lock-off
lever is in the LOCK position. Do not try to actuate
the switch lever when the lock-off lever is in the
LOCK position.
•
When not operating the tool, keep the lock-off lever
in the LOCK position.
To prevent the switch from being accidentally actuated, a
lock-off lever is provided. To start the tool, turn the lock-
off lever to the FREE position and then squeeze the
switch lever. Release the switch lever to stop.
Permissible shearing thickness
1
2
004671
1. Lock-off lever in
the FREE posi-
1
tion
2. Switch lever
(Paddle switch)
004672
1. Lock-off lever in
the LOCK posi-
tion
1
004674
1. Gauge for stain-
less: 1.2 mm
(3/64")
2. Gauge for mild
steel: 1.6 mm
(1/16")
The groove on the yoke serves as a thickness gauge for
shearing mild or stainless steel plate. If the material fits
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.
Material
Mild steel (A)
Hard steel (B)
Stainless steel
Aluminum plate
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.
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.
3
5
4
Remove the blade securing bolts with the hex wrench
provided and then rotate or replace the blades.
4
Tensile Strength
Max. cutting thickness
(N/mm 2 )
400
1.6 (16 ga)
600
1.2 (18 ga)
800
0.8 (22 ga)
200
2.5 (13 ga)
004678
1. Lower blade
2. Loosen
1
3. Upper blade
2
4. Upper blade
securing bolt
5. Hex wrench
006425
(mm)
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