Chamberlain C450C User manual

TO WATCH VIDEOS GO TO:
tinyurl.com/lgh5x3h
Contents
Preparation......................................2-5
Assembly .......................................6-10
Installation ..................................11-28
Install the Door Control ............21-22
Install the Protector System® ....23-26
Connect Power.........................27-28
Adjustments.................................29-31
MyQ® Smartphone Control.................32
Operation.....................................33-37
Using your Garage Door Opener.....34
To Open the Door Manually ...........34
Multi-Function
Control Panel........................... 35-36
Remote Control and
Keyless Entry................................36
Homelink® ...................................36
To Erase the Memory .....................37
Maintenance .....................................38
Troubleshooting...........................39-40
Accessories........................................41
Warranty...........................................42
Repair Parts .................................43-44
Owner’s Manual
C450C
Chain Drive
Garage Door Opener
FOR RESIDENTIAL USE ONLY
PRE-PROGRAMMED REMOTE CONTROL
INCLUDED
www.chamberlain.com
www.mychamberlain.com
• Please read this manual and the enclosed safety materials carefully!
• Fasten the manual near the garage door after installation.
• The door WILL NOT CLOSE unless the Protector System®is connected
and properly aligned.
• Periodic checks of the garage door opener are required to ensure
safe operation.
• The model number label is located on the front panel of your garage
door opener.
• This garage door opener is compatible with MyQ® and
Security+b2.0® accessories.
• DO NOT install on a one-piece door if using devices or features
providing unattended close. Unattended devices and features are
to be used ONLY with sectional doors.
Smart Garage Opener


5CHGV[ 5[ODQN CPF 5KIPCN 9QTF 4GXKGY
6JKU ICTCIG FQQT QRGPGT JCU DGGP FGUKIPGF CPF VGUVGF VQ QHHGT UCHG UGTXKEG RTQXKFGF KV KU KPUVCNNGF QRGTCVGF
OCKPVCKPGF CPF VGUVGF KP UVTKEV CEEQTFCPEG YKVJ VJG KPUVTWEVKQPU CPF YCTPKPIU EQPVCKPGF KP VJKU OCPWCN
/GEJCPKECN
'NGEVTKECN
9JGP [QW UGG VJGUG 5CHGV[ 5[ODQNU CPF 5KIPCN 9QTFU QP
VJG HQNNQYKPI RCIGU VJG[ YKNN CNGTV [QW VQ VJG RQUUKDKNKV[ QH
UGTKQWU KPLWT[ QT FGCVJ KH [QW FQ PQV EQORN[ YKVJ VJG
YCTPKPIU VJCV CEEQORCP[ VJGO 6JG JC\CTF OC[ EQOG
HTQO UQOGVJKPI OGEJCPKECN QT HTQO GNGEVTKE UJQEM 4GCF
VJG YCTPKPIU ECTGHWNN[
9JGP [QW UGG VJKU 5KIPCN 9QTF QP VJG HQNNQYKPI RCIGU KV
YKNN CNGTV [QW VQ VJG RQUUKDKNKV[ QH FCOCIG VQ [QWT ICTCIG
FQQT CPFQT VJG ICTCIG FQQT QRGPGT KH [QW FQ PQV EQORN[
YKVJ VJG ECWVKQPCT[ UVCVGOGPVU VJCV CEEQORCP[ KV 4GCF
VJGO ECTGHWNN[
9#40+0) 6JKU RTQFWEV ECP GZRQUG [QW VQ EJGOKECNU KPENWFKPI NGCF YJKEJ CTG MPQYP VQ VJG 5VCVG QH
%CNKHQTPKC VQ ECWUG ECPEGT QT DKTVJ FGHGEVU QT QVJGT TGRTQFWEVKXG JCTO (QT OQTG KPHQTOCVKQP IQ VQ
YYY29CTPKPIUECIQX
7PCVVGPFGF 1RGTCVKQP
6JG 6KOGTVQ%NQUG 66% HGCVWTG VJG /[35OCTVRJQPG %QPVTQN CRR CPF /[3)CTCIG &QQT CPF )CVG /QPKVQT
CTG GZCORNGU QH WPCVVGPFGF ENQUG CPF CTG VQ DG WUGF 10.; YKVJ UGEVKQPCN FQQTU #P[ FGXKEG QT HGCVWTG VJCV CNNQYU VJG
FQQT VQ ENQUG YKVJQWV DGKPI KP VJG NKPG QH UKIJV QH VJG FQQT KU EQPUKFGTGF WPCVVGPFGF ENQUG 6JG 6KOGTVQ%NQUG 66%
HGCVWTG VJG /[35OCTVRJQPG %QPVTQN CPF CP[ QVJGT /[3FGXKEGU CTG VQ DG WUGF 10.; YKVJ UGEVKQPCN FQQTU
%JGEM VJG &QQT
6Q RTGXGPV RQUUKDNG 5'4+175|+0,74;|QT &'#6*
z#.9#;5 ECNN C VTCKPGF FQQT U[UVGOU VGEJPKEKCP KH ICTCIG FQQT DKPFU UVKEMU QT KU QWV QH DCNCPEG #P
WPDCNCPEGF ICTCIG FQQT OC[ 016 TGXGTUG YJGP TGSWKTGF
z0'8'4 VT[ VQ NQQUGP OQXG QT CFLWUV ICTCIG FQQT FQQT URTKPIU ECDNGU RWNNG[U DTCEMGVU QT VJGKT JCTFYCTG
#..|QH YJKEJ CTG WPFGT ':64'/' VGPUKQP
z&KUCDNG #..|NQEMU CPF TGOQXG #..|TQRGU EQPPGEVGF VQ ICTCIG FQQT $'(14' KPUVCNNCVKQP CPF QRGTCVKPI
ICTCIG FQQT QRGPGT VQ CXQKF GPVCPINGOGPV
z&1 016 KPUVCNN QP C QPGRKGEG FQQT KH WUKPI FGXKEGU QT HGCVWTGU RTQXKFKPI WPCVVGPFGF ENQUG 7PCVVGPFGF
FGXKEGU CPF HGCVWTGU CTG VQ DG WUGF 10.; YKVJ UGEVKQPCN FQQTU
6Q RTGXGPV FCOCIG VQ ICTCIG FQQT CPF QRGPGT
z#.9#;5 FKUCDNG NQEMU $'(14' KPUVCNNKPICPF QRGTCVKPI VJG QRGPGT
z10.; QRGTCVG ICTCIG FQQT QRGPGT CV 8 |*\ VQ CXQKF OCNHWPEVKQP CPF FCOCIG
$GHQTG [QW DGIKP
 &KUCDNG NQEMU CPF TGOQXG CP[ TQRGU EQPPGEVGF VQ VJG ICTCIG FQQT
 .KHV VJG FQQT JCNHYC[ WR 4GNGCUG VJG FQQT +H DCNCPEGF KV UJQWNF UVC[ KP RNCEG
UWRRQTVGF GPVKTGN[ D[ KVU URTKPIU
 4CKUG CPF NQYGT VJG FQQT VQ EJGEM HQT DKPFKPI QT UVKEMKPI +H [QWT FQQT DKPFU
UVKEMU QT KU QWV QH DCNCPEG ECNN C VTCKPGF FQQT U[UVGOU VGEJPKEKCP
 %JGEM VJG UGCN QP VJG DQVVQO QH VJG FQQT #P[ ICR DGVYGGP VJG HNQQT CPF VJG
DQVVQO QH VJG FQQT OWUV PQV GZEGGF  KPEJ  OO 1VJGTYKUG VJG UCHGV[
TGXGTUCN U[UVGO OC[ PQV YQTM RTQRGTN[
 6JG QRGPGT UJQWNF DG KPUVCNNGF CDQXG VJG EGPVGT QH VJG FQQT +H VJGTG KU C VQTUKQP
URTKPI QT EGPVGT DGCTKPI RNCVG KP VJG YC[ QH VJG JGCFGT DTCEMGV KV OC[ DG
KPUVCNNGF YKVJKP |HGGV  O VQ VJG NGHV QT TKIJV QH VJG FQQT EGPVGT 5GG RCIG 
Torsion
Spring Extension
Spring
OR
2TGRCTCVKQP


$GHQTG ;QW %QPPGEV YKVJ ;QWT 5OCTVRJQPG
/QPKVQT CPF EQPVTQN [QWT ICTCIG FQQT HTQO CP[YJGTG WUKPI VJG /[3CRR ;QW YKNN PGGF C TQWVGT YKVJ 9K(K CPF C
UOCTVRJQPG QT QVJGT OQDKNG FGXKEG /CMG UWTG [QWT OQDKNG FGXKEG KU EQPPGEVGF VQ [QWT 9K(K PGVYQTM *QNF [QWT
OQDKNG FGXKEG KP VJG RNCEG YJGTG [QWT ICTCIG FQQT QRGPGT YKNN DG KPUVCNNGF CPF EJGEM VJG 9K(K UKIPCN UVTGPIVJ
Wi-Fi signal is weak.
The garage door opener will likely connect to your Wi-Fi
network. If not, try one of the options below.
No Wi-Fi signal. Try one of the following:
• Move your router closer to the garage door opener to
minimize interference from walls and other objects
• Buy a Wi-Fi range extender
• Buy a Chamberlain MyQ®Internet Gateway (CIGBUC) see page 41
Check Signal Strength. If you see:
Wi-Fi signal is strong. You’re all set!
Install your new garage door opener.
Visit wifihelp.chamberlain.com for more details
5GG /[35OCTVRJQPG %QPVTQN RCIG  VQ EQPPGEV [QWT ICTCIG FQQT QRGPGT VQ [QWT 9K(K PGVYQTM
#FFKVKQPCN +VGOU ;QW /C[ 0GGF
5WTXG[ [QWT ICTCIG CTGC VQ UGG KH [QW YKNN PGGF CP[ QH VJG HQNNQYKPI KVGOU
z : 2KGEGU QH YQQF  /C[ DG WUGF VQ HCUVGP VJG JGCFGT DTCEMGV VQ VJG UVTWEVWTCN UWRRQTVU #NUQ WUGF VQ
RQUKVKQP VJG ICTCIG FQQT QRGPGT FWTKPI KPUVCNNCVKQP CPF HQT VGUVKPI VJG UCHGV[ TGXGTUKPI UGPUQTU
z5WRRQTV DTCEMGV CPF HCUVGPKPI JCTFYCTG /WUV DG WUGF KH [QW JCXG C HKPKUJGF EGKNKPI KP [QWT ICTCIG
z'ZVGPUKQP DTCEMGVU /1&'. # QT YQQF DNQEMU &GRGPFKPI WRQP ICTCIG EQPUVTWEVKQP
GZVGPUKQP DTCEMGVU QT YQQF DNQEMU OC[ DG PGGFGF VQ KPUVCNN VJG UCHGV[ TGXGTUKPI UGPUQT
z(CUVGPKPI JCTFYCTG #NVGTPCVG HNQQT OQWPVKPI QH VJG UCHGV[ TGXGTUKPI UGPUQT YKNN TGSWKTG JCTFYCTG PQV
RTQXKFGF
z&QQT TGKPHQTEGOGPV 4GSWKTGF KH [QW JCXG C NKIJVYGKIJV UVGGN CNWOKPWO HKDGTINCUU QT INCUU RCPGN FQQT
z4CKN GZVGPUKQP MKV 4GSWKTGF KH [QWT ICTCIG FQQT KU OQTG VJCP  HGGV  O JKIJ
6QQNU 0GGFGF
3/16
7/16
1/2
5/32
5/16
5/8
9/16
1/4
7/16
2TGRCTCVKQP


%CTVQP +PXGPVQT[
5CXG VJG ECTVQP CPF RCEMKPI OCVGTKCN WPVKN VJG KPUVCNNCVKQP CPF CFLWUVOGPV KU EQORNGVG +PUVTWEVKQPU HQT VJG CEEGUUQTKGU
YKNN DG CVVCEJGF VQ VJG CEEGUUQT[ CPF CTG PQV KPENWFGF KP VJKU OCPWCN 6JG KOCIGU VJTQWIJQWV VJKU OCPWCN CTG HQT
TGHGTGPEG QPN[ CPF [QWT RTQFWEV OC[ NQQM FKHHGTGPV
/QFGN 2QYGT &QQT %QPVTQN 4GOQVG %QPVTQN 9KTGNGUU -G[RCF
%% /GF .KHV 2QYGT 5[UVGOv /WNVK(WPEVKQP DWVVQP  9
# *GCFGT DTCEMGV
$ 2WNNG[
% &QQT DTCEMGV
& %WTXGF FQQT CTO
' 5VTCKIJV FQQT CTO 2CEMCIGF KPUKFG HTQPV TCKN UGEVKQP
( 6TQNNG[
016' $G UWTG VQ CUUGODNG VJG VTQNNG[ DGHQTG UNKFKPI QPVQ TCKN
) 'OGTIGPE[ TGNGCUG TQRG CPF JCPFNG
* 4CKN  HTQPV CPF  EGPVGT UGEVKQPU
+ *CPIKPI DTCEMGVU  2CEMCIGF KPUKFG VJG HTQPV TCKN UGEVKQP
, )CTCIG FQQT QRGPGT OQVQT WPKV
- %JCKP URTGCFGT YKVJ UETGYU
. p7q DTCEMGV
/ %JCKP CPF ECDNG
0 &QQT EQPVTQN
1 4GOQVG EQPVTQN
2 6JG 2TQVGEVQT 5[UVGO
5CHGV[ TGXGTUKPI UGPUQTU YKVJ  EQPFWEVQT YJKVG CPF YJKVGDNCEM YKTG CVVCEJGF 5GPFKPI 5GPUQT 
4GEGKXKPI 5GPUQT  CPF 5CHGV[ 5GPUQT $TCEMGVU 
016 5*190
9KTGNGUU -G[RCF
9JKVG CPF TGFYJKVG YKTG
1YPGTU OCPWCN
*CTFYCTG
N
A
B
C
H
K
J
O
I
D
E
F
G
L
M
P
2TGRCTCVKQP


*CTFYCTG
ASSEMBLY INSTALLATION DOOR CONTROL
Insulated Staples
(Not Shown)
Bolt
1/4"-20x1-3/4"
Lock Nut
1/4"-20
Bolt
Nut 3/8" Lock Washer 3/8"
Master Link (2)
Threaded
Shaft Clevis Pin 5/16"x1-1/2"
Ring
Fastener (3)
Hex Bolt 5/16"-18x7/8" (4)
Lock Washer
5/16"-18 (5)
Nut
5/16"-18 (6)
Self-Threading Screw
1/4"-14x5/8" (2)
Clevis Pin 5/16"x1" Clevis Pin 5/16"x1-1/4"
Carriage Bolt
1/4"-20x1/2" (2)
Wing Nut
1/4"-20 (2)
Lag Screw 5/16"-9x1-5/8" (4)
Screw 6ABx1" (2)
Drywall Anchors (2)
Screw 6-32x1" (2)
2TGRCTCVKQP


#UUGODN[
56'2  #UUGODNG VJG TCKN CPF KPUVCNN VJG VTQNNG[
6Q RTGXGPV +0,74; HTQO RKPEJKPI MGGR JCPFU CPF HKPIGTU CYC[ HTQO VJG LQKPVU YJKNG CUUGODNKPI VJG TCKN
6Q CXQKF KPUVCNNCVKQP FKHHKEWNVKGU FQ PQV TWP VJG ICTCIG FQQT QRGPGT WPVKNKPUVTWEVGF VQ FQ UQ
6JG HTQPV TCKN JCU C EWV QWV pYKPFQYq CV VJG FQQT GPF 6JG TCKN VCD /756 DG QP VQR QH VJG TCKN YJGP CUUGODNGF
 4GOQXG VJG UVTCKIJV FQQT CTO CPF JCPIKPI DTCEMGV RCEMCIGF KPUKFG VJG HTQPV TCKN CPF UGV CUKFG HQT
+PUVCNNCVKQP 5VGR  CPF  016' 6Q RTGXGPV +0,74; YJKNG WPRCEMKPI VJG TCKN ECTGHWNN[ TGOQXG VJG UVTCKIJV
FQQT CTO UVQTGF YKVJKP VJG TCKN UGEVKQP
 #NKIP VJG TCKN UGEVKQPU QP C HNCV UWTHCEG CU UJQYP CPF UNKFG VJG VCRGTGF GPFU KPVQ VJG NCTIGT QPGU 6CDU
CNQPI VJG UKFG YKNN NQEM KPVQ RNCEG
 2NCEG VJG OQVQT WPKV QP RCEMKPI OCVGTKCN VQ RTQVGEV VJG EQXGT CPF TGUV VJG DCEM GPF QH VJG TCKN QP VQR (QT
EQPXGPKGPEG RWV C UWRRQTV WPFGT VJG HTQPV GPF QH VJG TCKN
 #U C VGORQTCT[ UVQR KPUGTV C UETGYFTKXGT KPVQ VJG JQNG KP VJG UGEQPF TCKN UGEVKQP HTQO VJG OQVQT WPKV CU
UJQYP
 %JGEM VQ DG UWTG VJGTG CTG  RNCUVKE YGCT RCFU KPUKFG VJG KPPGT VTQNNG[ +H VJG[ DGECOG NQQUG FWTKPI
UJKRRKPI EJGEM CNN RCEMKPI OCVGTKCN 5PCR VJGO DCEM KPVQ RQUKVKQP CU UJQYP
 5NKFG VJG VTQNNG[ CUUGODN[ VQYCTF VJG UETGYFTKXGT CU UJQYP
 5NKFG VJG TCKN QPVQ VJG p7q DTCEMGV WPVKN KV TGCEJGU CNN VJG UVQRU QP VJG VQR CPF UKFGU QH VJG p7q DTCEMGV
Wear Pads
Front Rail Section
(TO DOOR)
“U” Bracket
(TO MOTOR UNIT)
Trolley
Rail Tab
On Top
Slide to stops
on top and sides
of “U” bracket
Screwdriver


#UUGODN[
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 VQR QH VJG
QRGPGT
 +PUGTV C  Z  DQNV KPVQ VJG EQXGT RTQVGEVKQP DQNV JQNG QP VJG DCEM GPF QH VJG TCKN CU UJQYP 6KIJVGP
UGEWTGN[ YKVJ C  NQEM PWV &1 016 QXGTVKIJVGP
 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 DTCEMGV JQNGU YKVJ VJG DQNV JQNGU
 (CUVGP VJG p7q DTCEMGV YKVJ 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


#UUGODN[
56'2  +PUVCNN VJG KFNGT RWNNG[
 .C[ VJG EJCKPECDNG DGUKFG VJG TCKN CU UJQYP )TCUR VJG GPF QH VJG ECDNG CPF RCUU CRRTQZKOCVGN[  
EO QH ECDNG VJTQWIJ VJG YKPFQY #NNQY KV VQ JCPI WPVKN #UUGODN[ 5VGR|
 4GOQXG VJG VCRG HTQO VJG KFNGT RWNNG[ 6JG KPUKFG EGPVGT UJQWNF DG RTGITGCUGF +H FT[ TGITGCUG VQ GPUWTG
RTQRGT QRGTCVKQP
 2NCEG VJG KFNGT RWNNG[ KPVQ VJG YKPFQY CU UJQYP
 +PUGTV VJG KFNGT DQNV HTQO VJG VQR VJTQWIJ VJG TCKN CPF RWNNG[ 6KIJVGP YKVJ C  NQEM YCUJGT CPF PWV
WPFGTPGCVJ VJG TCKN WPVKN VJG NQEM YCUJGT KU EQORTGUUGF
 4QVCVG VJG RWNNG[ VQ DG UWTG KV URKPU HTGGN[
 .QECVG VJG TCKN VCD 6JG TCKN VCD KU PGCT VJG KFNGT RWNNG[ QP VJG HTQPV TCKN UGEVKQP 7UG C HNCV JGCF UETGYFTKXGT
CPF NKHV VJG TCKN VCD WPVKN VJG VCD KU XGTVKECN 
Rail
Idler Pulley
Grease Inside
Pulley
Bolt
Chain/cable
Lock Washer
Nut
Bolt Nut 3/8" Lock Washer 3/8"
HARDWARE
Rail Tab


#UUGODN[
56'2  +PUVCNN VJG EJCKP
6Q CXQKF RQUUKDNG 5'4+175 +0,74; VQ HKPIGT HTQO OQXKPI ICTCIG FQQT QRGPGT
z#.9#;5 MGGR JCPF ENGCT QH URTQEMGV YJKNG QRGTCVKPI QRGPGT
z5GEWTGN[ CVVCEJ URTQEMGV EQXGT $'(14' QRGTCVKPI
 2WNN VJG ECDNG CTQWPF VJG KFNGT RWNNG[ CPF VQYCTF VJG VTQNNG[
 %QPPGEV VJG ECDNG VQ VJG TGVCKPKPI UNQV QP VJG VTQNNG[ CU UJQYP (KIWTG 
C 2WUJ RKPU QH OCUVGT NKPM DCT VJTQWIJ ECDNG NKPM CPF VTQNNG[ UNQV
D 2WUJ OCUVGT NKPM ECR QXGT RKPU CPF RCUV RKP PQVEJGU
E 5NKFG VJG ENQUGF GPF QH VJG ENKRQP URTKPI QXGT QPG QH VJG RKPU 2WUJ VJG QRGP GPF QH VJG ENKRQP
URTKPI QPVQ VJG QVJGT RKP
 9KVJ VJG VTQNNG[ CICKPUV VJG UETGYFTKXGT FKURGPUG VJG TGOCKPFGT QH VJG ECDNGEJCKP CNQPI VJG TCKN VQYCTF VJG
OQVQT WPKV CTQWPF VJG URTQEMGV CPF EQPVKPWKPI VQ VJG VTQNNG[ CUUGODN[ 6JG URTQEMGV VGGVJ OWUV GPICIG VJG
EJCKP (KIWTG 
 %JGEM VQ OCMG UWTG VJG EJCKP KU PQV VYKUVGF VJGP EQPPGEV KV VQ VJG VJTGCFGF UJCHV YKVJ VJG TGOCKPKPI OCUVGT
NKPM
 6JTGCF VJG KPPGT PWV CPF NQEM YCUJGT QPVQ VJG VTQNNG[ VJTGCFGF UJCHV
 +PUGTV VJG VTQNNG[ VJTGCFGF UJCHV VJTQWIJ VJG JQNG KP VJG VTQNNG[ $G UWTG VJG EJCKP KU PQV VYKUVGF (KIWTG 
 .QQUGN[ VJTGCF VJG QWVGT PWV QPVQ VJG VTQNNG[ VJTGCFGF UJCHV
 4GOQXG VJG UETGYFTKXGT
Sprocket
Figure 1
Figure 2
HARDWARE
Master
Link
Threaded Shaft
Threaded
Shaft
Outer Nut
Inner Nut
Lock Washer
Master Link
Master
Link
Figure 3
a.
b.
c.


#UUGODN[
56'2  6KIJVGP VJG EJCKP
 5RKP VJG KPPGT PWV CPF NQEM YCUJGT FQYP VJG VTQNNG[ VJTGCFGF UJCHV CYC[ HTQO VJG VTQNNG[
 6Q VKIJVGP VJG EJCKP VWTP VJG QWVGT PWV KP VJG FKTGEVKQP UJQYP
 9JGP VJG EJCKP KU CRRTQZKOCVGN[   OO CDQXG VJG DCUG QH VJG TCKN CV KVU OKFRQKPV TGVKIJVGP VJG KPPGT
PWV VQ UGEWTG VJG CFLWUVOGPV
5RTQEMGV PQKUG ECP TGUWNV KH VJG EJCKP KU VQQ NQQUG 9JGP KPUVCNNCVKQP KU EQORNGVG [QW OC[ PQVKEG UQOG EJCKP FTQQR
YKVJ VJG FQQT ENQUGF 6JKU KU PQTOCN +H VJG EJCKP TGVWTPU VQ VJG RQUKVKQP UJQYP YJGP VJG FQQT KU QRGP FQ PQV TGCFLWUV
VJG EJCKP
016' &WTKPI HWVWTG OCKPVGPCPEG #.9#;5 RWNN VJG GOGTIGPE[ TGNGCUG JCPFNG VQ FKUEQPPGEV VJG VTQNNG[ DGHQTG
CFLWUVKPI VJG EJCKP
;QW JCXG PQY HKPKUJGF CUUGODNKPI [QWT ICTCIG FQQT QRGPGT 2NGCUG TGCF VJG HQNNQYKPI YCTPKPIU DGHQTG
RTQEGGFKPI VQ VJG KPUVCNNCVKQP UGEVKQP
Outer
Nut Lock Washer
Trolley
Threaded
Shaft
Inner Nut
To Tighten
Inner Nut
To Tighten
Outer Nut
Mid length of Rail
Base of Rail
Chain
1/4" (6 mm)