Chamberlain C410 - STEP 2 Fasten the rail to the motor unit

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56'2  (CUVGP VJG TCKN VQ VJG OQVQT WPKV
6Q CXQKF 5'4+175 FCOCIG VQ ICTCIG FQQT QRGPGT WUG 10.; VJQUG DQNVUHCUVGPGTU OQWPVGF KP VJG
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 4GOQXG VJG DQNVU HTQO VJG VQR QH VJG OQVQT WPKV
 7UG VJG ECTVQP VQ UWRRQTV VJG HTQPV GPF QH VJG TCKN
 2NCEG VJG p7q DTCEMGVHNCV UKFG FQYP QPVQ VJG OQVQT WPKV CPF CNKIP VJG DTCEMGVJQNGU YKVJ VJG
DQNV JQNGU
 (CUVGP VJG p7q DTCEMGVYKVJ VJG RTGXKQWUN[TGOQXGF DQNVU &1 016 WUG CP[ RQYGT VQQNU 6JG
WUG QH RQYGT VQQNU OC[ RGTOCPGPVN[ FCOCIG VJG ICTCIG FQQT QRGPGT
 #VVCEJ EJCKP URTGCFGT VQ VJG OQVQT WPKV YKVJ VYQ UETGYU
“U” Bracket
Hex Screws
8-32x7/16
Cover
Protection
Bolt Hole
Bolt
Lock Nut
Bolts (Mounted in the
garage door opener)
Chain
Spreader
Bolt
1/4"-20x1-3/4"
Lock Nut
1/4"-20
HARDWARE