Tesmec PT1250, Handbook

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HYDRAULIC PULLER-TENSIONER PT1250
Manual: MI-PT1250-050-01-IT Date: 06.11.2017 Author: AT Page: 50 of
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5.9 MACHINE USE
The machine is fully automatic and is able to independently manage variations of load or speed of
stringing, self-adjusting the number of revolutions of the engine, turning on and off of the radiator, the
rotation speed of the reel elevators.
a. Select or control the reel elevator circuit management button. For stringing operations, it must be set
to STRINGING.
b. Set the desired pull using the dedicated potentiometer, placed on the remote control. By turning the
potentiometer, the red notch on virtual dynamometer, will move to the desired value.
Simultaneously, it will display the same value on the remote control screen.
c. Adjust the pull on the branch of wire and / or wire rope to the reel elevator by adjusting the dedicated
commands to and read the pressure on the main work screen.
The pressure value is approximately 50 bar when the reel has few turns of rope and wrapped
with the increase of the number of the windings of the rope on the reel, the pressure must increase up to
a maximum value of 80-100 bar. For the maneuver release the pressure should be 40 bar
d. Through the dedicated switch, freeing the driver loaded onto bull-wheels opening rope clamp.
e. Gently move the lever (tab. 9, pos.5) to the position (down).
Pull setting
potentiometer
Bull-wheels control
Joystick
Back-pull setting
potentiometer
Rope clamp