Shimano FD-R443 Front Derailleur Service Instructions

SI-5E70A-000-00

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.

SERVICE INSTRUCTIONS

FD-R443

SI-5E70A

Front derailleur

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.

Before use, read these instructions carefully, and follow them for correct use.

In order to realize the best performance, we recommend that the following combination be used.

Shifting lever

Outer casing

Gears

Front derailleur

Front chainwheel

Bottom bracket

Rear derailleur

Freehub

SL-R440

SP40

27

FD-R443

FC-6503 FC-5504 FC-4403

BB-6500 BB-5500 BB-UN52

RD-6500/RD-5500/RD-4400

FH-6500/FH-5500/FH-4400

Cassette sprocket

Chain

Bottom bracket cable guide

CS-6500/CS-HG70-9/CS-HG50-9

CN-HG92/CN-HG72

SM-SP17

Specifications

Type

Front chainwheel tooth difference

Min. difference between top and intermediate

Front derailleur installation band diameter

Chainstay angle ( a )

Chain line

Stroke

A

A'

Band type / Brazed on type

22 teeth or less

10T

S (28.6mm), M (31.8mm)

63° - 66°

45mm

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 gauge

Pro-Set alignment block

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.

Tightening torque:

5 - 7 Nm

{44 - 60 in. lbs.}

A-52

Chainwheel

(largest chainring)

Chain guide

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

Please note: specifications are subject to change for improvement without notice. (English)

© Sep. 2009 by Shimano Inc. XBC SZK Printed in Japan.

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

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

Chain guide inner plate

Chain

A B

B A

Top adjustment screw

B

Pro-Set alignment block

B A

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

A

Chain guide outer plate

Chain

Outer casing adjustment barrel Chain guide inner plate

Chain

B A

%

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 large chainring to a smaller chainring

When lever (A) is pressed once, there is a shift of one step from a large chainring to a smaller chainring.

Example:

from intermediate chainring to intermediate chainring.

Levier (B)

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 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 inner plate at the largest 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

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 1/4 turn).

Tighten the top adjustment screw clockwise (about 1/8 turn).

Loosen the top adjustment screw counterclockwise (about 1/8 turn).

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.

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 1/2 turn).

Be sure to read these service instructions in conjunction with the service instructions for the SL-R440 before use.