Tesmec PT1250, Handbook

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HYDRAULIC PULLER-TENSIONER PT1250
Manual: MI-PT1250-050-01-IT Date: 06.11.2017 Author: AT Page: 47 of
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f. Through the dedicated button, select the operating mode in which you want to use the machine
(PULLER or TENSIONER).
This button displays the appropriate scale on the virtual dynamometer, depending on
the chosen configuration.
Refer to the symbolist specified in chapter 5.5.2.
g. Set the gear lever on the machine radiator, depending on whether you want to work with the normal
scaling dynamometer (0 a 50 KN) or if you want to use a FINE scaling (from 0 to 7 KN puller or from 0
to 12 KN as tensioner).
ATTENTION: Never change the position of the shift lever without first
discharging the line pull, in order to avoid the loss of the rope / conductor.
h. Check the machine parameters through the main work screen (see Working Menu par.5.5.1)
ATTENTION: During the sequence of cold start leave turn the vacuum machine
for about 10 minutes.
ATTENTION: In case of cold starts, after having pre-heated the hydraulic oil as
described above, the start of stringing operations for limiting at least the first 15
minutes the maximum performance of work (not exceed 30% of the maximum
speed of recovery).