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4.4.1.2 CARRIAGE ALIGNMENT
• Measure carriage height and check that any difference between the carriages does NOT exceed 4-5 mm; if needed, set carriages at the same height
as follows:
• Adjust the carriage P1 by undoing and removing the parts 2, 6 and 7 shown in Fig. 16..
• Raise carriage P1 until the split nut (4, Fig. 16) becomes free to turn.
• Tighten the split nuts (1, 2, Fig. 19) clockwise or anticlockwise to compensate for any difference in carriage height. One full turn of a split nut displaces
carriage by 6 mm.
WARNING: NEVER turn the splits nuts a fraction of a turn. Always turn through full turns so that the grease nipple will be facing
outside afterwards.
4.4.3 INSTALLING THE PULSE CIRCUIT FOR MOTOR P1-P2
1) Remove the column covers. (12, Fig. 1)
2) Fasten the pulse circuit with the relative fastener screws supplied, ensuring that it is aligned with the pulley magnet as shown in (fig.15).
3) Route the electric cables to the opposite column and connect to the circuit board in the order indicated on page 32.
5) Grease the drive pulley bearings and refit the column covers.
WARNING: After the first up/down cycle, check that the threads of both screws are evenly lubricated. Repeat this operation whenever deemed
necessary.
WARNING: The lifting screws (1, Fig. 18) and the sliding surfaces of the carriage (3, Fig. 16) on the inner sides of the columns are greased in
the factory with grease according to the specifications contained in the technical data.
WARNING: Add oil or grease only as needed: too much grease will not ensure improved lubrication.
Do not wash or use solvents on these surfaces. If needed, restore lubrication film using the type of grease specified in the "Technical Speci-
fications Table".
For ordinary maintenance, see the user's manual, paragraph 6.2
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