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5.
Electric operation
5.1
Switching on / off
Switch on: Push and hold button (D). The electronic control
system will ensure a soft start.
Switch off: Release button (D).
Note: The noise that is emitted during startup is due to the
construction of the tool and has no influence on the function
or longevity of the machine.
Never block the rocker switch. This would make
proper operation impossible.
5.2
Direction of Rotation, Transport Lock
Direction
right
(clockwise,
tightening). Push the slide
switch completely to the left.
Direction left (counter-clockwise,
loosening). Push the slide switch
completely to the right.
Transport lock (start lock). Push the
slide switch to the middle.
Operation and Service Manual
5.3
Gear Change (Rapid Mode / Power Mode)
Actuate
the
switch only when the
motor is stopped.
In order to optimize
the bolting cycle, it
is recommended to
start in gear 2 (fast)
and then, depending
on
the
torque, switch to gear
1 (power gear) until
the stopping point.
See also section 5.4
Setting the Shut-Off
Torque.
5.4
Setting the Shut-Off Torque
Setting the torque is done by means of the torque table on the
tool or according to the standard torque chart included.
Machine-specific torque values can be compiled
and documented on request by the AIMCO
calibration lab.
Torque table
Your AcraDyne HT Nutrunner has been adjusted according to this torque
chart. Repeatable accuracy of shut-off is ±3%.
In the torque table, each position number is assigned a
respective torque. The shut-off torque is set by means of the
setting wheel (SR) using the position number (1–11) (Fig. 1).
• The selection of the shut-off torque is done by means of
the setting wheel, with 11 settings per gear (values 1-11
according to torque table).
• Position 12 will provide the full torque available for
loosening bolts and nuts.
7
slide
required
Torque chart (sample)
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