Wayne-Dalton 451 Garage Door Opener User Manual


 
11
FIG P
FIG O
RIGHT HAND DRUM
BLACK
COUPLING
LEFT HAND DRUM
RED
WINDING CONE
RED
WINDING CONE
BLACK
TWO OR MORE SPRINGS (2-5/8” or 3-3/4”) SPLIT SOLID SHAFT
17” MINIMUM
SPRING PAD WIDTH
13”
3” MINIMUM SPRING PAD WIDTH
RIGHT HAND DRUM
BLACK
COUPLING
(2) 3/8” X 1” GRADE 5 BOLT
AND NUT WITH (2) FLAT
WASHERS EACH AND (1)
LOCK WASHER EACH PER
DSB WALL ANGLE AND
SPRING PLATE
WINDING CONE
BLACK
TWO OR MORE SPRINGS (6”) SPLIT SOLID SHAFT
17” MINIMUM SPRING
PAD WIDTH
SPRING PLATE
DSB WALL ANGLE
13”
WINDING CONE
RED
3” MINIMUM SPRING
PAD WIDTH
IF PROVIDED
LEFT HAND DRUM
RED