Shimano FD-CX70 Operating instructions

SHIMANO Cyclocross Front Derailleur
FD-CX70
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(3) After trimming, use the outer casing
adjustment barrel to adjust the
clearance between the chain and
chain guide to the minimum (0 - 0.5
mm).
Adjustment is possible at the dual
control lever (with cable adjuster).
For details on the adjustment
method, refer to the Service
Instructions for the ST-4600.
General Safety Information
•Obtain and read the service instructions carefully prior to installing the parts.
Loose, worn or damaged parts may cause the bicycle to fall over and serious injury
may occur as a result. We strongly recommend only using genuine Shimano
replacement parts.
•Obtain and read the service instructions carefully prior to installing the parts.
If adjustments are not carried out correctly, the chain may come off and this may
cause you to fall off the bicycle which could result in serious injury.
•Becarefulnottoletthecuffsofyourclothesgetcaughtinthechainwhileriding,
otherwise you may fall off the bicycle.
•ReadtheseTechnicalServiceInstructionscarefully,andkeeptheminasafeplacefor
later reference.
Note
•Ifgearshiftingoperationscannotbecarriedoutsmoothly,cleanthederailleurand
lubricate all moving parts.
•Iftheamountofloosenessinthelinksissogreatthatadjustmentisnotpossible,you
should replace the derailleur.
•Whenthechainisinthepositionshownintheillustration,
the chain may contact the front chainrings or front derailleur
and generate noise. If the noise is a problem, shift the chain
onto the next-larger rear sprocket or the one after.
•Forsmoothoperation,usethespecifiedoutercasingand
the bottom bracket cable guide.
•Greasetheinnercableandtheinsideoftheoutercasing
before use to ensure that they slide properly.
•Partsarenotguaranteedagainstnaturalwearordeteriorationresultingfromnormal
use.
•FormaximumperformancewehighlyrecommendShimanolubricantsand
maintenance products.
•Foranyquestionsregardingmethodsofinstallation,adjustment,maintenanceor
operation, please contact a professional bicycle dealer.
WARNING
Front
chainrings
Rear
sprockets
2. The level section of the chain guide outer plate should be
directly above and parallel to the largest chainring.
3. Secure using a 5mm Allen key.
Chainwheel
(largest chainring)
Chain guide
Tightening torque:
5 - 7 N·m
{44 - 60 in. lbs.}
Tighten the top adjustment screw clockwise
(about 1/4 turn).
Loosen the top adjustment screw
counterclockwise (about 1/8 turn).
Loosen the low adjustment screw
counterclockwise (about 1/8 turn).
Tighten the low adjustment screw clockwise
(about 1/8 turn).
Turn the outer casing adjustment barrel
clockwise (1/8 of a turn at a time) until
shifting to the small chainring becomes
smooth. Be careful not to turn the outer
casing adjustment barrel too far at this time,
otherwise shifting to the large chainring will
become more difficult.
1. Adjust so that the clearance between the chain guide outer
plate and the large gear is 1 - 3 mm before installing.
Te c h n i c a l S e r v i c e I n s t r u c t i o n s SI-5MW0A-002
SIS adjustment
1. Low adjustment
Set so that the clearance between the chain guide inner
plate and the chain is 0 - 0.5 mm.
Largest
sprocket Inner chainring
Be sure to read these service instructions in conjunction with the service instructions for the
ST-4600 / ST-5700 / ST-6700 / SL-4600 before use.
4. Top adjustment
Set so that the clearance between the chain guide outer
plate and the chain is 0 - 0.5 mm.
2. Connection and securing of cable
While pulling the inner cable, tighten the wire fixing
bolt with a 5 mm allen key to secure the cable.
While turning the crank arm, gently operate lever (b) and check that the front derailleur
moves slightly toward the small chainring. If the front derailleur moves by a large
amount and the chain is set onto the small chainring at this time, loosen the top
adjustment bolt by 1/8th of a turn. Then, after returning the chain to its original position,
adjust and check the trimming mechanism.
Smallest
sprocket Outer chainring
Low adjustment
screw
Chain guide
inner plate
Chain
Pull
Tightening torque:
6 - 7 N·m {52 - 60 in. lbs.}
After taking up the initial slack in
the cable, re-secure to the front
derailleur as shown in the
illustration.
3. Adjustment of the cable tension
(1) When making the cable
adjustment, place the chain on
the largest sprocket at the rear;
and at the front, shift the chain to
the inner chainring and then set
it back onto the outer chainring.
Note:
There are two derailleur positions for the outer chainring. Make sure the derailleur is in
the inner side of the two positions.
Shift the derailleur from the inner chainring (L)
to the outer chainring (T), then gently press
the small lever (b) until a small click is felt.
(trim function).
(2) Perform the trimming.
(ST-4600 / ST-5700 / ST-6700)
To p a d j u s t m e n t
screw
Chain guide
outer plate
Chain
■Trimming (noise-prevention mechanism)
Gently press the lever [
b.
(A “click” sound will be heard.)
Chain guide
inner plate
Chain
FD-CX70
FD-4600
FD-4600 FD-CX70
Clearance:
0 - 0.5mm
Outer casing
adjustment barrel
Largest
sprocket Outer chainring
Largest
sprocket Outer chainring
Front shifting
Lever [ b
From large chainring
to small chainring
Lever [ a
From small chainring
to large chainring
Adjustment point
Lever [ a
Lever [
b
Ty p e B a n d t y p e / B r a z e d o n t y p e
Front derailleur installation band diameter S (28.6mm), M (31.8mm), L (34.9mm)
Chainstay angle (C)FD-4600 (61° - 66°), FD-CX70 (63° - 66°)
Front chainwheel tooth difference 16 teeth or less
Chain line 43.5mm
Installation of the front derailleur
Clearance: 1 - 3 mm
Chain guide outer plate
Specifications
5. Troubleshooting chart
After completion of steps 1 - 4, move the shifting lever to check the shifting.
(This also applies if shifting becomes difficult during use.)
If the chain falls to the crank side
If shifting is difficult from the small chainring to the
large chainring
If shifting is difficult from the large chainring to the
small chainring
If the chain falls to the bottom bracket side.
If the gear shifting to the small chainring is stiff and
difficult to carry out after trimming.
SI-5MW0A-002-00
One Holland, Irvine, California 92618, U.S.A. Phone: [phone]
Industrieweg 24, 8071 CT Nunspeet, The Netherlands Phone: [phone] Oimatsu-cho, Sakai-ku, Sakai-shi, Osaka 590-8577, Japan
* Service Instructions in further languages are available at : http://techdocs.shimano.com
Please note: specifications are subject to change for improvement without notice. (English)
©Feb.2011byShimanoInc. XBCSZKPrintedinJapan.
FD-4600
FD-CX70 Front derailleur
In order to realize the best performance, we recommend that the following
combination be used.
Series
Dual control lever
Shifting lever
Brake lever
Outer casing
Gears
Front derailleur
Front chainwheel
Rear derailleur
Freehub
Cassette sprocket
Chain
Bottom bracket cable guide
TIAGRA
ST-4600
SL-4600
BL-4600
OT-SP41
20
FD-4600
FC-4600 / FC-4650
RD-4600-SS
FH-4600
CS-4600
CN-4601
SM-SP17
Non series (Cyclo-cross)
ST-6700 / ST-5700
–
–
OT-SP41
20
FD-CX70
FC-CX70 / FC-CX50
RD-6700 / RD-5700
FH-6700 / FH-5700
CS-6700 / CS-5700
CN-6701 / CN-5701
SM-SP17
BA