CAUTION:
• Always check the direction of rotation before opera-
tion.
• Use the reversing switch only after the tool comes
to a complete stop. Changing the direction of rota-
tion before the tool stops may damage the tool.
Operation
The proper fastening torque may differ depending upon the kind or size of the bolt. The relation between fas-
tening torque and fastening time is shown in the figures below.
For 6904VH
– Standard bolt –
– High tensile bolt –
6
Fastening time
Fastening time
Speed change (Fig. 5)
For 6904VH only
Slide the speed change lever to "H" side (lower side)
for higher speed or to "L" side (upper side) for lower
speed.
Proper fastening torque for M16
Proper fastening torque for M12
Proper fastening torque for M10
Seconds
Proper fastening torque for M16
Proper fastening torque for M12
Proper fastening torque for M10
Seconds