Instrukcja obsługi Shimano FD-4603-B

Shimano Akcesoria rowerowe FD-4603-B

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5. Trimming mechanism adjustment and checking
While turning the crank arm, gently operate lever (b) and check that
the front derailleur moves slightly toward the smallest chainring. If the
front derailleur moves by a large amount and the chain is set onto the
smallest 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.
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-4603
SL-4603
BL-4600
OT-SP41
30
FD-4603
FC-4603
RD-4600-GS
FH-4600
CS-4600
CN-7801 / CN-6600 / CN-5600
SM-SP17
Specifications
Installation of the front derailleur
Front shifting (ST-4603)
Type Band type / Brazed on type
Front chainwheel tooth difference 20 teeth or less
Min. difference between top and
intermediate 11T
Front derailleur
installation band diameter
S (ø28.6mm),
M (ø31.8mm), L (ø34.9mm)
Chainstay angle (C) 63° - 66°
Chain line 45mm
Chainstay
angle
Adjust and then install the front derailleur as shown in the illustration.
Do not remove the Pro-Set alignment block at this time.
1mm
3mm
Gear teeth should
come within this
range
Pro-Set gauge
The level section of the chain guide outer plate should be
directly above and parallel to the largest chainring.
Secure using a 5mm Allen key. Chainwheel
(largest chainring)
Chain guide
Tightening torque:
5 - 7 N·m {44 - 60 in. lbs.}
SIS adjustment
Be sure to follow the sequence described below.
1. Low adjustment
First remove the Pro-Set alignment block. Next, set so
that the clearance between the chain guide inner plate
and the chain is 0 - 0.5mm.
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.
3. Top adjustment
Set so that the clearance between the chain guide
outer plate and the chain is 0 - 0.5 mm.
Largest
sprocket
Smallest
chainring
Chain position
Pro-Set alignment block
Pull
Tightening torque:
5 - 7 N·m
{44 - 60 in. lbs.}
After taking up the initial slack in the cable, re-secure
to the front derailleur as shown in the illustration.
Smallest
sprocket
Largest
chainring
Chain position
4. Cable adjustment using the intermediate
chainring
When making the cable adjustment, place the chain
on the largest sprocket for the rear and the middle
chainring for the front.
Largest
sprocket
Intermediate
chainring
BA
Outer casing adjustment barrel
Chain position
Chain guide
inner plate
Top adjustment
screw
Chain guide
outer plate
Chain
Chain
Lever b
From large chainring
to small chainring
Lever a
From small chainring
to large chainring
Lever a
Lever b
Be sure to read these service instructions in conjunction with the service
instructions for the ST-4603 / SL-4603 before use.
Pro-Set alignment block
Smallest
sprocket
Largest
chainring
Chain position
Low adjustment
screw
Chain guide
inner plate
Chain
Top adjustment
screw
Chain guide
outer plate
Chain
6. Troubleshooting chart
After completion of steps 1 - 5, 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 intermediate
chainring to the largest chainring
If shifting is difficult from the intermediate
chainring to the smallest chainring
If there is interference between the chain
and the front derailleur outer plate at the
largest chainring
If the intermediate chainring is skipped
when shifting from the largest chainring
If there is interference between the chain
and front derailleur inner plate when the
rear sprocket is shifted to the largest
sprocket when the chainwheel is at the
intermediate chainring position.
If the chain falls to the bottom bracket
side.
If there is interference between the chain
and the front derailleur inner plate when
the chain is on the smallest chainring and
the largest sprocket
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).
Loosen the top adjustment screw
counterclockwise (about 1/8 turn).
Loosen the outer casing adjustment
barrel counterclockwise (
1 or 2 turns
).
Tighten the outer casing adjustment
barrel clockwise (1 or 2 turns).
Tighten the low adjustment screw
clockwise (about 1/8 turn).
Loosen the low adjustment screw
counterclockwise (about 1/8 turn).
Intermediate
chainring
Largest
chainring
Smallest
chainring
Adjustment point
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.
• Use the CN-7801 / CN-6600 / CN-5600 with the FD-4603.
• 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.
• This front derailleur is for triple front chainwheel use only.
It cannot be used with the double front chainwheel, as the
shifting points do not match.
• 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.
Front
chainrings
Rear
sprockets
* Service Instructions in further languages are available at :
http://techdocs.shimano.com
Please note: specifications are subject to change for improvement without notice. (English)
© Dec. 2010 by Shimano Inc. XBC SZK Printed in Japan.
One Holland, Irvine, California 92618, U.S.A. Phone: +1-949-951-5003
Industrieweg 24, 8071 CT Nunspeet, The Netherlands Phone: +31-341-272222
3-77 Oimatsu-cho, Sakai-ku, Sakai-shi, Osaka 590-8577, Japan
FD-4603
Front derailleur
Technical
Service Instructions SI-5MX0A-001
SI-5MX0A-001-00
Note: There are 2 derailleur positions for the intermediate
chainring. When making the cable adjustment, make
sure that the derailleur is in the inner side (toward
small chainring) of the two positions. Locate the
derailleur to this position by shifting from the largest
to the intermediate chainring (recommended) or by
shifting from the small to the intermediate chainring,
then gently press lever (b) until a small click is felt
(to position the derailleur to the inner side of the
intermediate chainring).
Adjust the cable tension by using the outer casing adjustment barrel
so that the clearance between the chain guide inner plate and the
chain is 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.

Specyfikacje produktu

Marka: Shimano
Kategoria: Akcesoria rowerowe
Model: FD-4603-B

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