Makita UM164D Instruction Manual page 13

Installing or removing grass shear blades
CAUTION:
Always be sure that the tool is switched off and the
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battery cartridge is removed before installing or
removing shear blades. Failure to switch off and
remove the battery cartridge from the tool may
result in serious injury from accidental start-up.
When replacing the shear blade, always wear
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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.
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Failure to do so may cause damage to the tool.
For specific way of removing and installing shear
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blades refer to the reverse of a package for
accessory shear blades.
Fig.9
Remove the base frame and place the tool upside down.
CAUTION:
Before placing the tool upside down, be sure to
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remove the base frame.
Fig.10
To remove the shear blade, press the locking lever and
with the locking lever pressed turn the undercover
counterclockwise until the symbol
is aligned with the symbol
Fig.11
Take out the undercover, shear blade and crank in order
from the tool.
1 2
1. Crank
2. Undercover
3. Shear blades
010895
To install the grass shear blade, prepare the crank,
undercover and new grass shear blade.
Fig.12
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.
on the undercover
on the locking lever.
3
1
1. Basic alignment line on the tool housing
2. Pins
010897
Adjust the three pin position so that these pins are lined
up at right angle in relation to the basic alignment line
on the tool housing.
Fig.13
Fit the crank with its recessed part facing upwards onto
the pins. At this time, apply a small amount of grease to
the periphery of the crank using grease that the shear
blades as optional accessory are provided with or that
remains inside gear housing.
Fig.14
Overlap the oval hole in the upper blade with that in the
lower one. Move the shear blades so that the hole in the
base plate of shear blades are positioned in the center
of these overlapped oval holes.
Fig.15
Turn the shear blades upside down and install it so that
the pins on the tool fit in the hole in the shear blades.
Make sure that the shear blades are set in place
securely as far as they reach the base plate.
Fig.16
Place the undercover so that the symbol
undercover is aligned with the symbol
lever.
Fig.17
Press the undercover down and turn the undercover
clockwise while pressing it down until the symbol
the label is aligned with the symbol
lever (the undercover is completely locked.).
Fig.18
At this time, make sure that the locking lever fits in the
groove in the undercover.
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,
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there is a poor fit between the blades and crank.
Redo from the beginning.
13
2
on the
on the locking
on
on the locking