Adjusting The Fastening Torque - Makita DF331D Instruction Manual

Position of Speed
speed
change lever
1 Low
2 High

Adjusting the fastening torque

on the tool body. You can get the minimum fastening torque at 1 and maximum torque at
The clutch will slip at various torque levels when set at the number 1 to 18. The clutch does not work at the
marking.
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.
The following shows the rough guide of the relationship between the screw size and graduation.
Graduation
Machine screw
Wood Soft wood
screw (e.g. pine)
Hard wood
(e.g. lauan)
ASSEMBLY
CAUTION:
Always be sure that the tool is
switched off and the battery cartridge is removed
before carrying out any work on the tool.
Torque Applicable
operation
High Heavy load-
ing operation
Low Light loading
operation
1 2 3 4 5
M4
–
–
the "2" side for high speed or "1" for low speed but high
torque. Be sure that the speed change lever is set to the
correct position before operation.
If the tool speed is coming down extremely during the
operation with "2", slide the lever to the "1" and restart
the operation.
1
2
3
6 7 8 9 10
–
Installing or removing driver bit/
drill bit
For Model DF331D (optional accessory)
1
1. Sleeve 2. Close
Turn the sleeve counterclockwise to open the chuck
marking.
11 12 13 14 15
M5
3.5 x 22
3.5 x 22
3
2
3. Open
16 17 18
M6
4.1x 38
–
4.1x 38
ENGLISH 7