Chamberlain 248739 garage door opener

User Manual - Page 14

For 248739.

PDF File Manual, 44 pages, Download pdf file

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INSTALLATION STEP 3
AttachtheRaft totheHeaderBracket
Position the opener on the garagefloor below the
headerbracket. Use packing matedal as a protective
base. NOTE:if the door spn'ng is in the way,you will
needhelp, Havesomeone hold theopener securely on a
temporary support to allow the rail to clear the spring.
Position the rait bracket against the headerbracket,
Nigh the bracketholes and join with aclevis pin
5tt 6"xi-I/2" as shown.
Insert a rino fastener to secure.
//
//
Idler PWIey
q
-- Garage
Doer
\1
\!
\1
\
Mounting
Hole
Opener Carton or
Temporary
Support
HARDWARESHOWNACTUALSIZE
0
CievisPin5/16°xi-1/2" RingFastener
t4
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