Tesmec PT2450, Installation, Operation And Maintenance Manual

Page: 69 / 154

HYDRAULIC PULLER TENSIONER PT2450
Manual: MI-PT2450-050-00-GB Date: 28.07.2018 Author: AT Page: 66 of
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5.6 POINTS TO REMEMBER
a. The pressure of the feeding circuit (see par.5.5.2.3) must be higher than 25 bar: otherwise, the stationary
brakes will be damaged.
b. Adjust the pull of the reel elevators with hydraulic head at minimum indispensable value: otherwise, the
hydraulic oil will be uselessly heated and dangerous counter pulls may arise.
c. Before beginning the works, check the levels.
d. Respect the temperature limits for the hydraulic oil as indicated at paragraph 3.10
e. After an emergency intervention of the negative safety brake, verify the condition of the brake discs (see
paragraph 5.5.2.4).
f. It is strictly forbidden to wind on the bull-wheels ropes and/or conductors with a lower diameter in
succession of ropes and conductors with a larger diameter.
5.7 END OPERATIONS
At the end of the operations to download the tension of the cables / conductors using the control lever
(tab. 9, pos.2 and pos.8). Afterwards turn off the engine by turning the ignition key.
Using the dedicated button (Table 9, pos.5 and pos.12), actuate the rope lock to prevent the slider from the
bull wheel when leaving the unused machine with a charged conductor.
Drain the tension on the rope section between the machine and the reel winder, using the dedicated button
on the remote control (Table 9, pos.7 and pos.13).
Then switch off the engine by pressing the ignition button.