- 13 -
•
Tightening torque will vary, even with
the same bolting material (e.g. steel),
accord ing to the surface finish.
•
Torque is greatly reduced when the bolt
and nut start turning together.
5) Socket play
Torque is lowered as the six-sided configu-
ration of the socket of the wrong size is
used to tighten a bolt.
6) Switch (Variable speed control trigger)
Torque is lowered if the unit is used with
the switch not fully depressed.
VI
. ACCESSORIES
Use only suitable size of socket.
VII
. APPENDIX
MAXIMUM RECOMMENDED CAPACITIES
Model
EY7552
Bolt fastening
Standard bolt : M12 - M20
High tensile bolt : M12 - M18
WARRANTY SUPPLEMENT
The breakdown and damage caused by usage consistent for a long time (e.g.: factory work on
the assembly line, etc.) is out of warranty.
7) Effect of Connecting Adaptor
The tightening torque will be lowered
through the use of a universal joint or a
connecting adaptor.
EY7552_EU.indb 13
2013-10-30 14:07:19
