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BLACK
RED
BLACK
(3) 3/8 x 3/4 truss bolts and nuts.
(2) for securing end bracket
(1) for securing horizontal angle
1/4 x 9/16
track bolt and nut.
RIGHT SIDE ILLUSTRATES
DOUBLE ENDCAPS AND
HARDWARE
LEFT SIDE ILLUSTRATES
SINGLE ENDCAPS AND
HARDWARE
Extra 3/8 truss bolt and nut
PG. 8
TWO SPRINGS
(2 ONLY)
LEFT HAND DRUM
RED
WINDING CONE
BLACK
RIGHT HAND DRUM
BLACK
WINDING CONE
RED
RIGHT HAND DRUM
BLACK
WINDING CONE
BLACK
LEFT HAND DRUM
RED
SINGLE SPRING
3 MINIMUM SPRING PAD WIDTH
(6 IF FOR TROLLEY OPERATOR)
* NOTE: COUPLING USED ON SOLID SHAFT ONLY. TIGHTEN CONNECTING BOLTS AFTER WINDING SPRINGS.
TWO SPRINGS
(3-3/4)
TUBULAR OR 1 PIECE
SOLID SHAFT
LEFT HAND DRUM
RED
RIGHT HAND DRUM
BLACK
WINDING CONE
RED
WINDING CONE
BLACK
9 MINIMUM SPRING PAD
WIDTH
NOTE: 6 SPRINGS UTILIZE SOLID SHAFTS
3-1/2
RIGHT HAND DRUM
BLACK
EXTRA SUPPORT BRACKET USED WITH SPLIT SHAFT
COUPLING (SEE NOTE * )
LEFT HAND DRUM
RED
WINDING CONE
RED
WINDING CONE
BLACK
TWO SPRINGS
(3-3/4)
SPLIT SOLID
SHAFT
13
20
24 MINIMUM SPRING PAD
WIDTH
FOUR SPRINGS
(3-3/4)
SPLIT SOLID
SHAFT
EXTRA SUPPORT BRACKET USED
WITH SPLIT SHAFT
COUPLING (SEE NOTE * )
8 MIN.
SPRING
PA D
3-1/2
12 MIN.
PA D
WIDTH
13
WINDING CONE RED
WINDING CONE BLACK
RIGHT HAND DRUM
BLACK
WINDING CONE BLACK
WINDING CONE RED
LEFT HAND DRUM RED
PG. 9
RED
This illustration shows
15 radius track
W/Concrete Anchor
Doors 16 to 18 high use 2
intermediate hangers.
Doors over 18 use hangers at
6 max. centers
Intermediate hangers for all doors over
11 high and over 14 wide. Positioned
half way between jamb and rear hanger.
This illustration shows
15 radius track
W/TEK Screw to Steel
This illustration shows
12 radius track
W/Lag Bolt to Wood.
Laterial brace all
hanger angles.