Shimano FD-CX70 Інструкція з технічного обслуговування - Сторінка 2
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SI-5MW0A-002-00
General Safety Information
WARNING
• 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.
• Be careful not to let the cuffs of your clothes get caught in the chain while riding,
otherwise you may fall off the bicycle.
• Read these Technical Service Instructions carefully, and keep them in a safe place for
later reference.
Note
• If gear shifting operations cannot be carried out smoothly, clean the derailleur and
lubricate all moving parts.
• If the amount of looseness in the links is so great that adjustment is not possible, you
should replace the derailleur.
• When the chain is in the position shown in the illustration,
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.
• For smooth operation, use the specified outer casing and
the bottom bracket cable guide.
• Grease the inner cable and the inside of the outer casing
before use to ensure that they slide properly.
• Parts are not guaranteed against natural wear or deterioration resulting from normal
use.
• For maximum performance we highly recommend Shimano lubricants and
maintenance products.
• For any questions regarding methods of installation, adjustment, maintenance or
operation, please contact a professional bicycle dealer.
Technical Service Instructions
FD-4600
FD-CX70
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
Specifications
Type
Front derailleur installation band diameter
Front chainwheel tooth difference
Chainstay angle (
)
C
Chain line
Installation of the front derailleur
1. Adjust so that the clearance between the chain guide outer
plate and the large gear is 1 - 3 mm before installing.
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.
One Holland, Irvine, California 92618, U.S.A. Phone: +1-949-951-5003
Industrieweg 24, 8071 CT Nunspeet, The Netherlands Phone: +31-341-272222
* 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. 2011 by Shimano Inc. XBC SZK Printed in Japan.
Front
chainrings
Rear
sprockets
SI-5MW0A-002
Front derailleur
TIAGRA
Non series (Cyclo-cross)
ST-4600
ST-6700 / ST-5700
SL-4600
BL-4600
OT-SP41
OT-SP41
20
20
FD-4600
FD-CX70
FC-4600 / FC-4650
FC-CX70 / FC-CX50
RD-4600-SS
RD-6700 / RD-5700
FH-4600
FH-6700 / FH-5700
CS-4600
CS-6700 / CS-5700
CN-4601
CN-6701 / CN-5701
SM-SP17
SM-SP17
Band type / Brazed on type
S (28.6mm), M (31.8mm), L (34.9mm)
16 teeth or less
FD-4600 (61° - 66°), FD-CX70 (63° - 66°)
43.5mm
Clearance: 1 - 3 mm
Chain guide outer plate
Chainwheel
(largest chainring)
Tightening torque:
5 - 7 N·m
Chain guide
{44 - 60 in. lbs.}
3-77 Oimatsu-cho, Sakai-ku, Sakai-shi, Osaka 590-8577, Japan
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
Inner chainring
sprocket
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.
Pull
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.
Largest
Outer chainring
sprocket
(2) Perform the trimming.
(ST-4600 / ST-5700 / ST-6700)
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.
–
Note:
–
There are two derailleur positions for the outer chainring. Make sure the derailleur is in
the inner side of the two positions.
(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).
Largest
Outer chainring
sprocket
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.
4. Top adjustment
Set so that the clearance between the chain guide outer
plate and the chain is 0 - 0.5 mm.
Smallest
Outer chainring
sprocket
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.
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.
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.
Lever
[
Lever
a
Trimming
(noise-prevention mechanism)
I
Gently press the lever
(A "click" sound will be heard.)
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).
Adjustment point
Outer casing
adjustment barrel
B
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.
Low adjustment
screw
Chain guide
inner plate
Chain
FD-4600
FD-CX70
Front shifting
[
Lever
b
[
b
From large chainring
to small chainring
[
Lever
a
From small chainring
to large chainring
[
.
b
Clearance:
0 - 0.5mm
A
FD-CX70
FD-4600
Chain guide
inner plate
Chain
Top adjustment
screw
Chain guide
outer plate
Chain