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10 CHANGING THE RH (LH) VERSION OF THE BARRIER INTO THE LH (RH) VERSION
Procedure for converting an RH (LH) version barrier into an LH (RH) version:
1.
Release the barrier as shown in Chapter 6.
2.
Position the beam in the opening position and remove it from the pocket as shown in Figs. 9, 10 or 11 .
3.
Re-lock the barrier as shown in Chapter 7.
4.
Screw the breather screw on the control unit (Fig. 8).
5.
Fully loosen the spring adjustment ring-nut (Fig.18 ref. ).
6.
Detach the feed pipes (Fig.18 ref., and f) from the two pistons and plug the unions.
7.
Remove the two pistons (Fig. 18 ref. and ) from the upper and lower fittings and reverse their position, taking the
rocker (Fig.18 ref. a) against the opening travel limit mechanical stop.
8.
Remove the pinion pocket and re-install it to set the barrier at opening, as in Fig. 18.
9.
Fit the feed pipes as shown in Fig. 18, according to the configuration of the barrier (RH or LH).
10.
Reverse the travel limit connectors on the control unit.
11.
Remove the breather screw from the control unit (Fig.8) and carry out the air bleed operations as indicated in
paragraph 8.2.
12.
Check the balance of the spring as indicated in paragraph 5.1
RH
1
2
3
4
WHEN THE BARRIER IS OPEN
THE SPRING MUST NOT
BE COMPRESSED.
5
6
Fig. 18
8
LH
4
5
6
1
2
3
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