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• 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.
7) Effect of Connecting Adaptor
The tightening torque will be lowered
through the use of a universal joint or a
connecting adaptor.
VIII. ACCESSORIES
Use only suitable size of socket.
IX. 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.
X. SPECIFICATIONS
MAIN UNIT
Model
EY7552
Motor voltage 18 V DC
No load speed 0 - 1550 min
-1
Maximum torque 470 N·m
Impact per minute 0 - 2400 min
-1
Overall length 214 mm
Weight
(with battery pack: EY9L50)
2.6 kg
Weight
(with battery pack: EY9L51)
Noise,Vibration See the included sheet