FD-R443

FD-R443
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SERVICE INSTRUCTIONS SI-5E70A
FD-R443
Front derailleur
Before use, read these instructions carefully, and follow them for
correct use.
WARNING
• Obtain, read and carefully service instructions
when installing parts. A loose, worn, or damaged
parts may cause injury to the rider.
We strongly recommend that only genuine
Shimano replacement parts be used.
Note
• If attaching the FD-R443 (brazed-on type) to a seat
tube with a thickness of more than 31.8 mm, the
derailleur may come into contact with the seat tube and
interfere with normal gear shifting performance.
• For smooth operation, use the specified outer casing
and 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.
• For the chain, be sure to use only the Shimano narrow
type chain. The wide type chain cannot be used.
• 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.
In order to realize the best performance, we
recommend that the following combination be used.
Shifting lever
SL-R440
Outer casing
SP40
Gears
27
Front derailleur
FD-R443
Front chainwheel
FC-6503 FC-5504 FC-4403
Bottom bracket
BB-6500 BB-5500 BB-UN52
Rear derailleur
RD-6500/RD-5500/RD-4400
FH-6500/FH-5500/FH-4400
Freehub
CS-6500/CS-HG70-9/CS-HG50-9
Cassette sprocket
CN-HG92/CN-HG72
Chain
SM-SP17
Bottom bracket cable guide
Specifications
Type
Band type / Brazed on type
Front chainwheel tooth
difference
22 teeth or less
Min. difference between top
and intermediate
Front derailleur
installation band diameter
10T
S (28.6mm), M (31.8mm)
63° - 66°
Chainstay angle (a)
Chain line
45mm
Stroke
A
A'
Chainstay angle
Installation of the front derailleur
Adjust and then install the front derailleur as shown in
the illustration. Do not remove the Pro-Set alignment
block at this time.
Gear teeth should
come within this
range
Pro-Set alignment block
Pro-Set gauge
SG
A-52
1mm
3mm
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)
Tightening torque:
5 - 7 Nm
{44 - 60 in. lbs.}
Chain guide
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.
Chain position
Largest
sprocket
Smallest
chainring
Pro-Set alignment block
B A
A
Chain guide
inner plate
Chain
B
Low
adjustment
screw
2. Connection and securing of cable
While pulling the inner cable, tighten the wirw fixing
bolt with a 5 mm allen key to secure the cable.
Tightening torque:
5 - 7 Nm
{44 - 60 in. lbs.}
Pull
After taking up the initial slack in the cable, re-secure
to the front derailleur as shown in the illustration.
3. Top adjustment
Set so that the clearance between the chain guide
outer plate and the chain is 0-0.5 mm.
Chain position
Smallest
sprocket
Largest
chainring
B A
B
Top adjustment
screw
A
Chain guide
outer plate
Chain
4. Adjustment of the intermediate chainring
When carrying out adjustment, set the chain to the largest sprocket,
and at the front, set the chain to the intermediate chainring. Adjust
using the outer casing adjustment barrel so that the clearance between
the chain guide inner plate and the chain is 0-0.5
mm.
Chain position
Largest
sprocket
Intermediate
chainring
B
Outer casing adjustment barrel
Chain guide
inner plate
Chain
%
Front shifting (SL-R440)
Both lever (A) and lever (B) always return to the initial position when
they are released after shifting.
When operating one of the levers, always be sure to turn the crank
arm at the same time.
To shift from a small chainring to a larger chainring
When lever (A) is pressed once,
there is a shift of one step from a
small chainring to a larger chainring.
Lever (A) initial
position
Example:
from intermediate chainring to
largest chainring.
To shift from a small chainring to
a larger chainring
When lever (A) is pressed once,
there is a shift of one step from a
small chainring to a larger chainring.
Example:
from intermediate chainring to
largest chainring.
Levier (B)
A
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
Tighten the top adjustment screw
clockwise (about 1/4 turn).
If shifting is difficult from the intermediate Loosen the top adjustment screw
chainring to the largest chainring
counterclockwise (about 1/8 turn).
If shifting is difficult from the intermediate Loosen the low adjustment screw
chainring to the smallest chainring
counterclockwise (about 1/4 turn).
If there is interference between the chain Tighten the top adjustment screw
and the front derailleur inner plate at the clockwise (about 1/8 turn).
largest chainring
If there is interference between the chain Loosen the top adjustment screw
and the front derailleur outer plate at the counterclockwise (about 1/8 turn).
largest chainring
If the intermediate chainring is skipped
when shifting from the largest chainring
Loosen the outer casing adjustment
barrel counterclockwise (1 or 2
turns).
If there is interference between the chain Tighten the outer casing adjustment
and front derailleur inner plate when the barrel clockwise (1 or 2 turns).
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.
Tighten the low adjustment screw
clockwise (about 1/2 turn).
Be sure to read these service instructions in conjunction with the service
instructions for the SL-R440 before use.
®
One Holland Irvine CA 92618 U.S.A. Phone 949-951-5003
Industrieweg 24 NL-8071 CT Nunspeet Holland Phone 31-341-272222
77 Oimatsu-cho 3-cho Sakai Osaka 590-8577 Japan Phone 0722-23-3243
Please note: specifications are subject to change for improvement without notice. (English)
© Jun. 2000 by Shimano Inc. XBC SZK Printed in Japan.
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