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22<br />

SCISSORS ARM<br />

OPERATOR<br />

FIG. 1 APPLICATION 22 SCISSORS ARM OPERATOR<br />

A<br />

20008 SASH HOOK<br />

BRACKET SHOWN<br />

O<br />

MIN<br />

FRAME<br />

SASH<br />

B<br />

ARM CLEARANCE<br />

20947 BACKING PLATE (2)<br />

(20189 BACKING GROMMET<br />

CAN ALSO BE USED)<br />

7.750<br />

196.85mm<br />

TAPPED #8-32<br />

(.218 MIN. SCREW<br />

ENGAGEMENT)<br />

REAR MOUNT<br />

SEE FIG. 3<br />

E<br />

MIN<br />

C<br />

SASH HOOK<br />

MOUNT HOLES<br />

SASH<br />

.780<br />

19.81mm<br />

C-SINK FOR<br />

#10 SCREW<br />

FRONT MOUNT<br />

SEE FIG. 2<br />

D<br />

MIN<br />

OPERATOR<br />

MOUNT HOLES<br />

SASH HOOK<br />

20008<br />

40543<br />

*31336<br />

.090 (2.3mm)<br />

N/A<br />

A<br />

21.50 (546.1mm)<br />

16.00 (406.4mm)<br />

FRAME<br />

W<br />

D<br />

MIN<br />

*31336 SASH HOOK BRACKET WILL ADD OR SUBTRACT FROM DIMENSION.<br />

OPERATOR<br />

PART NO.<br />

22.21<br />

22.22<br />

22.23<br />

22.27<br />

22.28<br />

22.29<br />

C<br />

OVERALL<br />

WIDTH<br />

21.50 (546.1mm)<br />

16.00 (406.4mm)<br />

.220 (5.6mm)<br />

O<br />

B<br />

ARM<br />

CLEARANCE<br />

.250 (6.4mm)<br />

.340 (8.6mm)<br />

.250 (6.4mm)<br />

.340 (8.6mm)<br />

OPTIONAL<br />

STABILIZING TAB<br />

E<br />

.560 (14.2mm)<br />

.549 (13.9mm)<br />

MIN<br />

MOUNTING<br />

FRONT<br />

REAR<br />

NOTE:<br />

TO DETERMINE THE MINIMUM W DIMENSION<br />

FOR OPERATOR ARM CLEARANCE, ADD HOOK<br />

H<br />

+.410 (10.4mm)<br />

+.845 (21.5mm)<br />

±.160 (4.1mm)<br />

STABILIZING<br />

TAB<br />

ORDER<br />

(PN 12789)<br />

H<br />

O<br />

DIMENSION ( ) TO OPERATOR CONSTANT ( )<br />

APPROXIMATE<br />

SASH<br />

OPENING<br />

15.00 (381.0mm)<br />

10.00 (254.0mm)<br />

15.00 (381.0mm)<br />

10.00 (254.0mm)<br />

W<br />

H<br />

= +<br />

O<br />

O<br />

DIMENSION<br />

1.403 (35.6mm)<br />

1.497 (38.0mm)<br />

1.403 (35.6mm)<br />

1.497 (38.0mm)<br />

41b

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