10
Blade maintenance
Smear the blade before and once per hour during
operation using machine oil or similars.
NOTE:
•
Before smearing the blade, remove the chip receiver.
After operation, remove dust from both sides of the
blade with wired brush, wipe it off with a rag and then
apply enough low-viscosity oil, such as machine oil etc.
and spray-type lubricating oil.
CAUTION:
•
Do not wash the blades in water. Failure to do so
may cause rust or damage on the tool.
Removing or installing shear blade
CAUTION:
•
Before removing or installing shear blade, always
be sure that the tool is switched off and the battery
cartridge is removed.
•
When replacing the shear blade, always wear
gloves without removing blade cover so that hands
and face does not directly contact the blade.
Failure to do so may cause personal injury.
NOTE:
•
Do not wipe off grease from the gear and crank.
Failure to do so may cause damage to the tool.
•
For specific way of removing and installing shear
blades refer to the reverse of a package for
accessory shear blades.
Removing the shear blades
Reverse the tool and loosen four screws.
Fig.18
NOTE:
•
Be careful not to get your hands dirty as grease is
applied in the shear blade driving area.
Remove the under cover.
Fig.19
Remove the plate.
Fig.20
Set the crank at the angle as shown in the figure with a
slotted screwdriver.
Fig.21
Remove two screws from the shear blades and the
shear blade unit will be taken out.
Fig.22
CAUTION:
•
Return the gear to the original position in such a
manner as it was installed if it should be taken
away by mistake.
Installing the shear blades
Prepare 4 removed screws (For under cover), 2 screws (For
shear blade), plate, under cover, and new shear blades.
Adjust the crank position as shown in the figure. At this
time, apply some grease provided with new shear
blades to the periphery of the crank.
Fig.23
Overlap the oval hole in the upper blade with that in the
lower one.
Fig.24
Take out the blade cover from the old shear blades and
fit it onto the new ones for easy handling during the
replacement of blades.
Fig.25
Place the new shear blades on the tool so that the oval
holes in the shear blades fit onto the crank. Overlap the
holes in the shear blades with the screw holes in the
tool and then secure them with two screws.
Fig.26
Check the crank for smooth turn with a slotted
screwdriver.
Fig.27
Install the plate, under cover on the tool. Tighten the
screw firmly.
NOTE:
•
There is no distinction between the top and bottom
of the plate.
Remove the blade cover and then turn on the tool to
check it for proper movement.
NOTE:
•
When the shear blades does not operate properly,
there is a poor fit between the blades and crank.
Redo from the beginning.
Replacing carbon brushes
Fig.28
Remove and check the carbon brushes regularly.
Replace when they wear down to the limit mark. Keep
the carbon brushes clean and free to slip in the holders.
Both carbon brushes should be replaced at the same
time. Use only identical carbon brushes.
Fig.29
Insert the top end of slotted screwdriver into the notch in
the tool and remove the holder cap cover by lifting it up.
Fig.30
Use a slotted screwdriver to remove the brush holder
caps. Take out the worn carbon brushes, insert the new
ones and secure the brush holder caps.
Reinstall the holder cap cover on the tool.
Storage
The hook hole in the bottom of the blade cover is
convenient for hanging the tool from a nail or screw on
the wall.
