LTP51 H EN Safety and operating instructions
© Atlas Copco Industrial Technique AB - 9836 938172 72
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Installation proposal
Choosing the correct couplings, hose and clamps can be a troublesome digging
into details. To save your time and to ensure correct capacity of the airline in-
stallation, from the tapping point to the tool, we offer you an installation pro-
posal.
For more information please read, Atlas Copco Industrial Power Tools cata-
logue Ordering No. 9837 3000 01.
Handling
Tightening torque
For accurate operation and safety, the tightening torque of the nut runner must
be set correctly in relation to the screw joint. Check the tightening torque given
to the joint in question.
The air pressure is set at as high a level as possible up to max 6.3 bar – with the
aid of a compressed air regulator. Installation of an Atlas Copco regulator, type
MIDI REG 15, is recommended.
Loosen the set screw and adjust the torque setting by means of the screw. The
torque is increased when screwing the screw clock-wise. After adjustment,
tighten the screw.
If shut-off is carried out at high speed of revolution, causing a high torque
scatter, it is recommended to reduce the air pressure.
Verification of tightening torque
Atlas Copco Torque Analyser, ACTA 3000, plus an appropriately-sized in-line
transducer, IRTT together with the available test joints are recommended equip-
ment.
Reaction bar
Adapt and use the torque reaction bar (see figure in Service instructions) as fol-
lows:
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