Enerpac SQD-I Serie Manual De Uso página 7

5.5 Loosening and tightening
WARNING: Switch off the pump
before changing sockets, Allen-
key drives or wrench position.
Before positioning the wrench on bolt or nut,
assemble according Section 4.0.
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11
See and for correct wrench, reaction
arm and socket (or Allen-key drive) position.
Make sure pump is not running and hoses are
clear of both the reaction arm and reaction
point. Place the torque wrench on the bolt
connection so that the bolt head or nut is fully
enclosed by the socket or the Allen-key drive
fully engaged in the socket head cap screw.
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LOOSEN
TIGHTEN
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Pre-tension the bolt manually by using the
wrench. See safety issues
5.6 Determining the reaction point
WARNING: To avoid personal injury keep
hands away from reaction arm and working
area during operation. See
2 4
and .
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.
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WARNING: Never react off loose
pieces. The force of the wrench
could cause loose pieces to
become flying objects.
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IMPORTANT:
moves in the direction opposite the rotation of
the socket or Allen-key drive.
CAUTION: See safety issues
The wrench must react against a stationary
object.
IMPORTANT: Follow the safety issues
4 5 6 7
, , ,
5
CAUTION:
must be fully absorbed by the reaction arm at
the same level as the socket or Allen-key drive.
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CAUTION:
arm movement against reaction point. Keep
hands, hoses and swivel connection away
from reaction arm area.
5.7 Loosening and tightening (continued)
To tighten, operate the pump in the advance
direction by pressing the advance button – refer
to pump instructions. The wrench performs an
angular rotation until it reaches the end of its
rotation cycle. When the wrench stops, release
the advance button to allow the wrench to
automatically retract. You will know when it has
fully retracted as you will not hear a ratcheting
(clicking) sound. Repeat this operation until the
socket or Allen drive no longer rotates.
7
The reaction arm always
3
,
10
and .
12
and . The reaction force
Do not obstruct the reaction
4 13
, .
2 3
, ,