Automatic COBRA Instrukcja Instalacji Pobierz pdf (Strona 10)

Page 10

INSTALLATION (continued)

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STEP TWO:

Determine the centre of the door and continue the vertical line through the header as in FIG 2

STEP THREE:

Lift the door and ﬁ nd the highest point to which the top of the door reaches. Using an appropriate straight edge

and level, transfer the height to the header.

STEP FOUR:

Fix the Header Bracket to the Header so that the bottom of the bracket is at least 10mm above the height found in

step 3 (see ﬁ g 3). Find a solid ﬁ xing point as signiﬁ cant forces act through the Header Bracket.

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STEP FIVE:

Assemble the chain idler wheel inside the idler housing as shown in Figs 4a, 4b & 4c.

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Automatic COBRA Instrukcja Instalacji Strona 10