XX
S2
XX
XX
S1
Standard Pedestal Positioning cont'd .....
77
xx
zz
S1S1
xx
S2S2
STEP 3
- MEASURE DISTANCE, Z, BETWEEN
S1 & S2 IN mm.
- USING Z, LOOK UP GATE OPENING
ANGLE AND DIMENSION C FOR SIZE
OF DRIVE ARM SUPPLIED (See Table
Overleaf).
STEP 2
- SWING GATE TO DESIRED OPEN
POSITION (70 - 120 DEGREES).
- MAKE SECOND MARK "S2" ON THE
GROUND.
e.g. SAY Z IS MEASURED AS 1482mm
CLOSEST Z VALUE IN TABLE = 1486mm
DIMENSION "C" FOR A 400mm DRIVE
ARM IS THEREFORE 538mm.