Maintenance - Makita AR410HR Instruction Manual

Continuous Drive Method
Fig.14
Fig.15
Continuous drive is where the contact arm is repeatedly
pressed onto different areas of workpiece while the
trigger is held down to continuously drive in screws.
Set the switching lever to the
"Continous Drive Mode".
(1) Pull trigger.
(2) With the trigger held down, each time the
contact arm is pressed against the workpiece,
a screw will be driven in continuously.
Trigger Locking Method
This driver has a trigger lock to prevent accidents due to
mistaken operation when main unit is not being used.
The trigger lock is a mechanism that locks the trigger,
preventing discharge of screws.
Set the switching lever to the
"Trigger Lock".
When drive screws, set lock lever to the
position. When not using the driver, always lock the
trigger and disconnect the air hose.
How to Cut linked Sheet
Fig.16
CAUTION:
When cutting linked sheet, always lock trigger, and
•
disconnect air hose.
When using linked screws, the linked sheet protrudes
from the driver guide. Tear away the protruding linked
sheet in the direction of the arrow.

MAINTENANCE

CAUTION:
Always disconnect the air hose from the tool
•
before attempting
maintenance.
Never use gasoline, benzine, thinner, alcohol or
•
the like. Discoloration, deformation or cracks may
result.
How to Rectify Screw Jam
CAUTION:
When rectifying screw jam, always lock trigger,
•
and disconnect air hose.
Fig.17
Lock trigger and disconnect air hose.
Open door, and pull out linked screws.
Insert thin metal bar into discharge nose, and hit it with
a hammer. In some cases, this metal bar will become
stuck when hit. Note, that at such times, the bit must not
be hit, as the bit end may be damaged, and lead to
impaired screw driving.
position to set driver to
position to set driver to
position or
to perform inspection
Fig.18
Remove screw(s) jammed inside driver guide using
minus screwdriver or other such tool.
After removing screw(s), make sure bit is not protruding
into screw channel (if it is, press it out of the way using
the metal bar).
After removing the jammed screw(s), reload the driver
with screws.
How to Replace Bit
CAUTION:
When replacing bit, always lock trigger, disconnect
•
air hose, and remove all loaded screws.
Take care not to lose small components.
Replace bit in clean surroundings to prevent dust and
dirt from getting onto internal components.
Removing Bit
Fig.19
1. Disconnect hose and remove all loaded screws.
2. Use hex wrench to loosen the four hex bolts, and
then remove top cap.
− The top cap spacer is removable, but please leave
it on the driver.
− If top cap gasket is removed with top cap, be
careful not to misshapen it, and be sure to put it
back when reassembling.
3. Insert the hex wrench into the bit channel of the
driver guide, and push out the piston assembly.
Fig.20
4. Use an eyeleteer, etc., to remove rubber ring
(white) from unloaded piston assembly.
− As the new bit comes with a white rubber ring, the
old one can be cut out with a cutter knife, etc. if it
is difficult to remove.
Fig.21
Fig.22
or
5. Next, extract pin from piston assembly.
Fig.23
6. Lower the piston, and then remove the piston cap
and driver bit.
Fig.24
Mounting Bit
1. Mount new driver bit onto piston.
Fig.25
2. Next, mount piston cap onto piston assembly.At
this point, make sure that piston assembly and
piston cap holes are aligned.
Fig.26
− Mount piston cap with hollowed side up as per
diagram.
3. Pass pin through piston assembly.
Fig.27
4. Mount rubber ring onto piston assembly.
10