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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
WARNING: Never react off loose
pieces. The force of the wrench
could cause loose pieces to
become flying objects.
13
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
3
4
5
6
7
,
,
,
,
5
CAUTION:
and
must be fully absorbed by the reaction arm
at the same level as the socket or Allen-key
drive.
13
CAUTION:
Do not obstruct the reaction
arm movement against reaction point. Keep
hands, hoses and swivel connection away of
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 it 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 have fully retracted as
you will not hear a ratcheting (clicking)
sound. Repeat this operation until the socket
or Allen drive no longer rotates.
2
4
and
.
13
.
The reaction arm always
3
4
,
10
and
.
12
. The reaction force
ATTENTION: Socket or Allen-key drive
should not be rotating during retract cycle.
IMPORTANT: After reaching the preset
pressure (torque), the torque wrench will no
longer rotate while the gauge will read the
preset pressure value. Monitor the pressure
gauge on the pump to verify that the bolt/nut
connection has been tightened to the preset
torque values.
If a bolt or nut does not loosen, the torque
(pressure) may be increased. Do not exceed:
•
maximum torque for the bolt size to
avoid danger of bolt-shearing;
•
maximum pressure (torque) for the Allen-
key drive (hexagon insert) to avoid
13
,
.
danger of bolt-shearing and Allen-key
drive failure. Maximum torque of Allen-
key drives are specified on pages 12-13.
•
maximum pressure 800 bar [11,600 psi];
2
,
failure. These failures could result in bolt or
Allen-key drive pieces being projected from
the wrench or bolting side. Failure will also
result in the torque wrench unit moving
rapidly away from the torquing point causing
potential injury to the operator.
misusage is not covered under Enerpac
warranty. Maximum torque of Allen-key
drives are specified in tables
pages 12-13.
We recommend the use of special
loosening
Enerpac offers nutsplitters in case
a nut can not be removed.
9
WARNING:
Exceeding
maximum torque for a bolt size or
Allen-key drive will result in bolt-
shearing and potential parts
IMPORTANT: Misusage resulting
in broken or damaged Allen-key
drive, damage inside the torque
wrench
and
injury
liquids
the
due
to
A1
A2
and
on
or
sprays.
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