Wayne-Dalton 452 Fig O, TWO OR MORE SPRINGS 6” SPLIT SOLID SHAFT, Fig P, Coupling, If Provided

Models: 451 452

1 20

Page 11

	TWO OR MORE SPRINGS (2-5/8” or 3-3/4”) SPLIT SOLID SHAFT	RIGHT HAND DRUM
		BLACK
	17” MINIMUM
	SPRING PAD WIDTH
	13”
	3” MINIMUM SPRING PAD WIDTH	WINDING CONE
	3” MINIMUM SPRING PAD WIDTH	BLACK
		BLACK
	COUPLING
	LEFT HAND DRUM
	RED
	WINDING CONE
	RED
	FIG O

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

Image 11

Contents

Model 451/452 Aluminum FullView SAFETY NOTICESBACKROOM OPERATING ZONESIDEROOM REQUIREMENTS FIG D COUNTERBALANCE CABLES/ BOTTOM BRACKETSFIG C FIG BFIG G HINGESFIG E FIG FFIG H-3 BOTTOM SECTION/ VERTICAL TRACKFIG H-1 FIG H-2HOOK LEFT HAND ROLLER INTO TRACK LOCK SECTION FIG TOP BRACKETS/ TOP SECTIONFIG J FIG KTorsion spring assemblies VERTICAL TRACK ADJUSTMENTHORIZONTAL TRACKS/ ADJUSTING TOP BRACKET COUNTERBALANCEFIG L FIG. L-1FIG. L-2 FIG. L-3FIG N FIG M-3FIG M-4 ONE or TWO SPRINGS 2” or 2-5/8”ONLY3” MINIMUM SPRING PAD WIDTH FIG OTWO OR MORE SPRINGS 6” SPLIT SOLID SHAFT FIG PFIG Q SPRING TURN CHARTWINDING SPRINGS BACK HANGERS REAR SUPPORTSFIG R FIG S SPRING ADJUSTMENTSFINAL ADJUSTMENTS ALTERNATE STEEL SPRING PAD APPLICATIONSFIG U INSIDE SIDE LOCK INSTALLATIONFIG T FIG W EXHAUST PORT INSTALLATION STEP PLATE INSTALLATIONCABLE KEEPER CABLE ROLLER CABLE KEEPER CABLE KEEPER INSTALLATIONFIG Y FIG Z Broken Cable Safety Device Installation MAINTENANCE AND FINISHING INSTRUCTIONSLimited Warranty Model 451, 452 & K-AL