Cleaning The Tool; Blade Maintenance - Makita BUH550 Bedienungsanleitung

► Fig.16: 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.17: 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.18: 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.19: 1. Press the levers on both sides 2. Unlock
the hooks
CAUTION:
• The blade cover (standard equipment) cannot
be installed on the tool with the chip receiver
being installed. Before carrying or storing, unin-
stall 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.

Cleaning the tool

Clean out the tool by wiping off dust with a dry or soap-
dipped rag.
CAUTION:
• Never use gasoline, benzine, thinner, alcohol
or the like. Discoloration, deformation or cracks
may result.

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 off it 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.20: 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.21: 1. Under cover 2. Blade cover
Remove the plate.
► Fig.22: 1. Plate
Set the crank at the angle as shown in the figure with a
slotted bit screwdriver.
► Fig.23: 1. Crank
Remove two screws from the shear blades and the
shear blade unit will be taken out.
► Fig.24: 1. Screws 2. Shear blade
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 blade
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.25: 1. Crank
Overlap the oval hole in the upper blade with that in the
lower one.
► Fig.26: 1. Oval hole of shear blade
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.
12 ENGLISH