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General Safety Information
Technical Service Instructions
SI-6SW0A-001
105
ST-5603 / ST-R703
Series
Shifting lever
SP41
Outer casing
30
Gears
FD-5603
Front derailleur
FC-5603
Front chainwheel
RD-5600 (GS Type)
Rear derailleur
FH-5600
Freehub
CS-5600
Cassette sprocket
CN-5600
Chain
SM-SP17
Bottom bracket cable guide
Operate lever (a) until
gear shifting is complete.
Operate lever (b) until
gear shifting is complete.
Type of shifting Lever operation
Trimming operation
Lever
operation
Front derailleur movement
Chain
position
Symptom
• 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.
• Read these Technical Service Instructions carefully, and keep
them in a safe place for later reference.
Note
• Operation of the levers related to gear shifting should be made
only when the front chainwheel is turning.
• 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.
• Use a frame with internal cable routing is strongly discouraged
as it has tendencies to impair the SIS shifting function due to
its high cable resistance.
• A special grease is used for the gear shifting cable (SIS-SP41).
Do not use DURA-ACE grease or other types of grease,
otherwise they may cause deterioration in gear shifting
performance.
• The cycle computers shown in the table below are compatible.
• Read the service instructions for the cycle computer also.
• Please refer to the Service Instructions for the ST-5600/R700
for details on installation and maintenance.
• Be sure to read these service instructions in conjunction with
the service instructions for the FD-5603 before use.
• 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.
WARNING
Gear shifting operations Trimming (noise prevention mechanism) operation
Front
DUAL CONTROL
Lever
ST-5603
ST-R703
In order to realize the best performance, we recommend that
the following combination be used.
SC-6502
SM-SC70
Meter unit
Bracket sensor unit
Lever (b) will also move when lever (a) is operated, but be
careful not to apply pressure to lever (b) . Similarly be careful
not to press lever (a) when operating lever (b) . Gears will not
shift when both levers are pressed simultaneously.
Depending on the position of the chain after shifting, the chain may rub against the chain guide outer
plate or the chain guide inner plate of the front derailleur, producing a characteristic noise. If this sort
of thing happens, you can press lever (a) or lever (b) slightly to move the front derailleur a little way so
that it does not touch the chain. This operation is called "trimming". Trimming can be carried out
whether the chain is on the largest, intermediate or smallest chainring. If noise occurs when the chain
is in one of the positions shown below, carry out trimming to eliminate the noise.
Chain contacts
outer plate
Chain contacts
inner plate
Smallest
chainring
Intermediate
chainring
/
Intermediate
chainring
Largest
chainring
/
Largest
chainring
Intermediate
chainring
/
Intermediate
chainring
Smallest
chainring
/
Lever (a)
Lever (a)
Lever (b)
Lever (b)
Largest
chainring
Front derailleur movement
Front derailleur movement
Outer plate
Chain
Click
(Hits)
Click
(Hits)
Smaller
sprockets
Smaller
sprockets
Smaller
sprockets
Intermediate
chainring
Smallest
chainring
Largest
chainring
Intermediate
chainring
Smallest
chainring
Larger sprockets
Larger sprockets
Larger sprockets
Inner plate
Chain
Lever (a)
Lever (b)
Before
trimming
trimming
operation
After
trimming
Before
trimming
trimming
operation
After
trimming
Lever (a)
Lever (b)
Please note: specifications are subject to change for improvement without notice. (English) © Mar. 2009 by Shimano Inc. XBC SZK Printed in Singapore.
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
SI-6SW0A-001-00
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