Reversing Switch Action; Adjusting The Fastening Torque - Makita BHP442 Instruction Manual

NOTE:
Use a dry cloth to wipe the dirt off the lens of lamp.
•
Be careful not to scratch the lens of lamp, or it may
lower the illumination.

Reversing switch action

A
1
008349
This tool has a reversing switch to change the direction
of rotation. Depress the reversing switch lever from the A
side for clockwise rotation or from the B side for
counterclockwise rotation.
When the reversing switch lever is in the neutral position,
the switch trigger cannot be pulled.
CAUTION:
Always check the direction of rotation before
•
operation.
Use the reversing switch only after the tool comes
•
to a complete stop. Changing the direction of
rotation before the tool stops may damage the tool.
When not operating the tool, always set the
•
reversing switch lever to the neutral position.
Speed change
008350
To change the speed, first switch off the tool and then
slide the speed change lever to the "2" side for high
speed or "1" side for low speed. Be sure that the speed
change lever is set to the correct position before
operation. Use the right speed for your job.
CAUTION:
Always set the speed change lever fully to the
•
correct position. If you operate the tool with the
speed change lever positioned halfway between
the "1" side and "2" side, the tool may be
1. Reversing
switch lever
B
1. Speed change
lever
1
damaged.
Do not use the speed change lever while the tool is
•
running. The tool may be damaged.
Selecting the action mode
1
008351
This tool employs an action mode changing ring. Select
one of the three modes suitable for your work needs by
using this ring.
For rotation only, turn the ring so that the arrow on the
tool body points toward the
For rotation with hammering, turn the ring so that the
arrow points toward the
For rotation with clutch, turn the ring so that the arrow
points toward the
CAUTION:
Always set the ring correctly to your desired mode
•
mark. If you operate the tool with the ring
positioned halfway between the mode marks, the
tool may be damaged.

Adjusting the fastening torque

1
008351
The fastening torque can be adjusted in 16 steps by
turning the adjusting ring so that its graduations are
aligned with the arrow on the tool body. The fastening
torque is minimum when the number 1 is aligned with
the arrow, and maximum when the number 16 is aligned
with the arrow.
Before actual operation, drive a trial screw into your
material or a piece of duplicate material to determine
which torque level is required for a particular application.
6
1. Action mode
changing ring
2. Adjusting ring
2
3. Graduation
3
4. Arrow
4
mark on the ring.
mark on the ring.
mark on the ring.
1. Action mode
changing ring
2. Adjusting ring
2
3. Graduation
3
4. Arrow
4