Yamato CD 20 BL Instruction Manual page 22

mod. CD 20 BL (cod. 83513)
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 "L" side and "H" side, the tool may be
damaged.
CAUTION: Do not use the speed change lever while
the tool is running. The tool may be damaged.
► 1. Speed change lever
Displayed Symbol
L
H
To change the speed, switch off the tool first. Push the speed change lever to display "H" for high speed or
"L" 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 display "H", push the lever to display "L"
and restart the operation.
Adjusting the fastening torque
The fastening torque can be adjusted in 19 levels by turning the
adjusting ring. Align the graduations with the arrow on the tool body.
You can get the minimum fastening torque at 1 and maximum torque at
the marking. The clutch will slip at various torque levels when set at
the number 1 to 18. The clutch does not work at the
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.
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.
Installing or removing driver bit/drill bit
Turn the sleeve clockwise to open the chuck jaws. Place the driver
bit/drill bit in the chuck as far as it will go. Turn the sleeve
counterclockwise to tighten the chuck. To remove the driver bit/drill
bit, turn the sleeve clockwise.
► 1. Sleeve 2. Close 3. Open 4. Driver bit /drill bit
Speed Torque Applicable operation
Low High Heavy loading operation
High Low Light loading operation
marking.
► 1. Adjusting ring 2. Graduation 3. Arrow