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9
11/4”MINIMUMCLEARANCE
R
EQUIREDTOCLEARLOCKARMS
R
EAR VIEW (FROM INSIDE CEILING)
INSTALLATIONINCEILINGWITH JOISTS 12”ON-CENTER
M
INIMUM CAVITYREQUIRED:
• 101/2”BETWEEN JOISTSTHATWOODSCREWS
ARETOBESECUREDTO
• 123/4”BETWEENJOISTSORO BSTRUCTIONS
ONSIDESLOCKARMSARETOUSED
• DEPTH:57/8”
EXISTINGCEILINGJOISTS
1
2”O N-CENTER
WOODSCREW
(2PLACES)
L
OCKARM
(4PLACES)
1
01/2”MINIMUMCAVITY
SIZEBETWEENJOISTS
BEAMTOSHOWMINIMUMDISTANCE
REQUIREDTOCLEAROBSTRUCTION
1
03/8”TEMPLATECUT-OUT
103/8”
T
EMPLATE
CUT-OUT
123/4”
MINIMUMCAVITY
S
IZEREQUIREDTO
CLEARLOCKARMS
REAR VIEW (FROM INSIDE CEILING)
INSTALLATIONINCEILINGWITHJOIST S24”ON-CEN TER
MINIMU MCAVITYREQUIRED:
• 101/2”BETWEENINSTALLEDMATERIALTHAT
WOODSCREWSARETOBESECUREDTO
• 123/4”BETWEENJOISTSOROBSTRUCTIONS
ONSIDESLOCKARMSARETOUSED
• DEPTH:5-7/8 ”
NOTE:UNITDOESNOTNEEDTOBECENTERED
BETWEENJOISTS.ALLOWFOR1-1/4”OFCLEARANCE
ONEACHSIDEOFCLEARLOCKARMS
EXISTINGCEILINGJOISTS
24”ON-CEN TER
ADDEDFRAMING
MATERIAL
10-1/2”
CAVITYSIZEREQUIRED
BETWEENINSTALLED
FRAMINGMATERIAL
WOODSCREW
(2PLACES)
LOCKARM
(4PLACES)
103/8”TEMPLATECUT-OUT
103/8”
TEMPLATE
CUT-OUT
Diagram 1
Diagram 2