Speed Change - Makita BUH550 Instruction Manual

Handle mounting positions
3
1. Housing
2. Knob
3. Handle
011148
The handle can be rotated to either 90° left or right and
mounted either 45°or 90°position to fit your work needs.
First, pull the knob and rotate the handle clockwise or
counterclockwise in the direction of arrow as shown in
the figure. The handle will be locked in 45°position. The
pull the knob and rotate more. The handle will be locked
in 90°position.
CAUTION:
Always make sure that the handle is locked in the
•
desired position before operation.
Switch action
CAUTION:
Before inserting the battery cartridge into the tool,
•
always check to see that the switch trigger actuates
properly and returns to the "OFF" position when
released.
2
1
011163
For your safety, this tool is equipped with a dual switching
system. To turn on the tool, press triggers A and B.
Release either one of the two pressed triggers to turn off.
The sequence of switching is unimportant as the tool only
starts when both switches are activated.
2
1
1. Switch trigger B
2. Switch trigger A

Speed change

011233
The strokes per minute can be adjusted just by turning
the adjusting dial. This can be done even while the tool is
running. The dial is marked 1 (lowest speed) to 6 (full
speed).
Refer to the table below for the relationship between the
number settings on the adjusting dial and the strokes per
minute.
Number on adjusting dial Strokes per minute (min )
6
5
4
3
2
1
011264
CAUTION:
The speed adjusting dial can be turned only as far
•
as 6 and back to 1. Do not force it past 6 or 1, or the
speed adjusting function may no longer work.
The strokes per minute vary by the conditions of
•
battery cartridge and shear blades.
Battery protection system
The tool is equipped with the protection system, which
automatically cuts off the output power for its long service
life.
The tool may stop during operation when the tool and/or
battery are placed under the following situation. This is
caused by the activation of protection system and does
not show the tool trouble.
When the tool is overloaded:
•
At this time, release the switch trigger and
remove causes of overload and then pull the
switch trigger again to restart. When the tool
does not work even after pulling the switch
trigger, the battery power auto-stop is still at
work. Charge the battery cartridge before use.
When the remaining battery capacity becomes low:
•
Recharge the battery cartridge.
7
1. Adjusting dial
1
1,800
1,750
1,650
1,500
1,300
1,000
-1