Functional Description; Operation; Torque Limiter - Makita 8406 Instruction Manual

FUNCTIONAL DESCRIPTION

CAUTION:
Always be sure that the tool is switched off and
•
unplugged before adjusting or checking function on
the tool.
Switch action
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CAUTION:
Before plugging in the tool, always check to see
•
that the switch trigger actuates properly and returns
to the "OFF" position when released.
To start the tool, simply pull the switch trigger. Tool speed
is increased by increasing pressure on the switch trigger.
Release the switch trigger to stop.
Selecting the action mode
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This tool has an action mode changing lever.
For rotation with hammering, turn the lever to the position
of symbol.
For rotation only, turn the lever to the position
of symbol.

Torque limiter

CAUTION:
Do not continue to operate the tool for more than
•
two seconds while the clutch is slipping.
Do not let the torque limiter actuate too frequently.
•
This tool is equipped with a clutch-type torque limiter.
The clutch will slip when a certain torque level is reached,
causing the motor to disengage from the output shaft.
When this happens, the chuck will stop turning.
1. Switch trigger
1
1. Change lever
1
ASSEMBLY
CAUTION:
Always be sure that the tool is switched off and
•
unplugged before carrying out any work on the tool.
Installing side grip (auxiliary handle)
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Always use the side grip to ensure operating safety.
Screw the side grip on the tool securely. The side grip
can be installed on either side of the tool, whichever is
convenient.
Installing or removing diamond core bit or
drill bit
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To install the bit, place it in the chuck as far as it will go.
Tighten the chuck by hand. Place the chuck key in each
of the three holes and tighten clockwise. Be sure to
tighten all three chuck holes evenly.
To remove the bit, turn the chuck key counterclockwise in
just one hole, then loosen the chuck by hand.
After using the chuck key, be sure to return to the original
position.

OPERATION

Diamond core drilling operation
CAUTION:
Never use "rotation with hammering" action when
•
drilling with a diamond core drill. The core bit may
be damaged.
When diamond core drilling, adopt the following
procedure:
1. Prior to using a diamond core bit, drill a 13 mm
pilot hole
(tungsten-carbide tipped hammer bit).
5
1. Chuck key
1
using a masonry drill bit