Fromm P331 M/HA - Adjustments

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P331 M_HA mane-12.fm
6.2 Adjustments
6.2.1 Preselecting of strap tension and tensioning speed
Do not adjust the tensioning force too high.
If the tensioning force is higher than the tensioning strength of the strap,
the strap will tear while the tensioning.
Tensioning force and tensioning speed can be preselected
with the upper adjusting knob.
Turning clockwise increases;
turning counter clockwise decreases the tensioning force
and the tensioning speed resp..
The tensioning force on the minimum setting is 1200 N
(270 lbs) and it is increased on the maximum setting to
7000 N (1575 lbs).
The tensioning speed on the minimum setting is 39 mm/s
(1.5 inch/sec), it is increasing linear up to 63 mm/s
(2.5 inch/sec) on the maximum setting.
6.2.2 Adjusting the welding time
Depending on the size and quality of the strap, different
welding times are required.
The welding time can be adjusted at the lower adjusting
knob.
Turning clockwise increases,
turning counter clockwise decreases the welding time.
6.2.3 Choose operation mode
There are 2 operation modes possible.
1. Manual
In this operation mode is the tensioning as well as the welding of the strap started by the operator.
2. Semi-Automatic
In this operation mode the welding of the strap is automatically started as soon as the preselected tension has
been reached.
The choice of the operation mode can be made with the adjustment screw for operation mode.
Operation mode Manual Operation mode Semi-Automatic
Turn adjustment screw with a screw driver in the desired position.
Adjusting knob tensioning force /
tensioning speed
Adjusting knob
welding time
The adjustment knobs can be
easily turned with a coin.