Maintenance - Makita DUH551 Instruction Manual

Installing or removing chip receiver
(optional accessory)
CAUTION:
• Always be sure that the tool is switched off and
the battery cartridge is removed before installing
or removing chip receiver.
NOTE:
• When replacing the chip receiver, always wear
gloves so that hands and face does not directly
contact the blade. Failure to do so may cause
personal injury.
• Always be sure to remove the blade cover
before installing the chip receiver.
• The chip receiver receives cut-off leaves and
alleviates collecting thrown-away leaves. This
can be installed on either side of the tool.
► Fig.14: 1. Press 2. Chip receiver 3. Nut 4. Shear
blade
Press the chip receiver on the shear blades so that its
slits overlap with the nuts on the shear blades. At this
time, make sure that the chip receiver does not contact
branch catcher at the top of the shear blades.
► Fig.15: 1. Nut 2. Branch catcher
At this time, the chip receiver needs to be installed so
that its hooks fit into grooves in the shear blade unit.
► Fig.16: 1. Hooks 2. Fit the hooks into groove
3. Grooves
To remove the chip receiver, press its lever on both
sides so that the hooks are unlocked.
► Fig.17: 1. Press the levers on both sides 2. Unlock
the hooks
CAUTION:
• The blade cover cannot be installed on the tool
with the chip receiver being installed. Before
carrying or storing, uninstall the chip receiver
and then install the blade cover to avoid blade
exposure.
NOTE:
• Check the chip receiver for secure installment
before use.
• Never try to uninstall the chip receiver by an
excessive force with its hooks locked in the
blade unit grooves. Using the excessive force
may damage it.

MAINTENANCE

CAUTION:
• Always be sure that the tool is switched off and
the battery cartridge is removed before attempt-
ing to perform inspection or maintenance.
• Never use gasoline, benzine, thinner, alcohol
or the like. Discoloration, deformation or cracks
may result.
Cleaning the tool
Clean out the tool by wiping off dust with a dry or soap-
dipped rag.
Blade maintenance
Smear the blade before and once per hour during oper-
ation 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.
NOTICE:
If the parts other than the shear blades
such as the crank are worn out, ask Makita
Authorized Service Centers for parts replacement
or repairs.
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: 1. Blade cover 2. Screws
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: 1. Under cover 2. Blade cover 3. Screws
Remove the plate.
► Fig.20: 1. Plate
Set the crank at the angle as shown in the figure with a
slotted screwdriver.
► Fig.21: 1. Crank
Remove two screws from the shear blades and the
shear blade unit will be taken out.
► Fig.22: 1. Screws 2. Shear blade
11 ENGLISH