Wayne-Dalton 451, 452 FIG M-3, FIG M-4, ONE or TWO SPRINGS 2” or 2-5/8”ONLY, Fig N

STEEL	(2) 1/2” X 3”	PRE-CAST
	SLEEVE ANCHOR
(3) 5/16” X 1” SELF-DRILLING
AND TAPPING SCREWS	NOTE: MUST SECURE
	SLEEVE ANCHORS TO
	BUILDING FIRST , THEN
	ATTACH BRACKETS TO
	ANCHORS.

FIG M-3	FIG M-4
ONE or TWO SPRINGS (2” or 2-5/8” ONLY)
3” MINIMUM SPRING PAD WIDTH
(6” IF FOR TROLLEY OPERATOR)		RIGHT HAND DRUM
		BLACK
	WINDING CONE
	BLACK
WINDING CONE
RED
LEFT HAND DRUM	CENTER SUPPORT BRACKET
RED
TWO SPRINGS (3-3/4”) TUBULAR OR 1 PIECE SOLID SHAFT
	3-1/2”	RIGHT HAND DRUM
		BLACK
	WINDING CONE
	BLACK
WINDING CONE
RED
LEFT HAND DRUM
RED
	9” MINIMUM SPRING PAD WIDTH
	NOTE: 6” SPRINGS UTILIZE SOLID SHAFTS
	FIG N
10