Shimano FD-M985 Manual de Usario
Shimano
Accesorio para bicicleta
FD-M985
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(1) Set the chain to the largest rear
sprocket, and shift to the large
chainring.
3. Adjustment of the cable tension
General Safety Information
WARNING
• Be careful not to let the cuffs of your clothes get caught in the chain while riding, otherwise you may fall off
the bicycle.
• 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.
• Read these Technical Service Instructions carefully, and keep them in a safe place for later reference.
Note
• The front derailleur is for double front chainwheels only. It cannot be used with triple front chainwheels, as
the shifting points will not match.
• If gear shifting operations do not feel smooth, wash 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 frames with suspension, the chain stay angle will vary depending on whether the
bicycle is being ridden or not being ridden. When the bicycle is not being ridden and
the chain is positioned on the largest/larger chainring and on the smallest sprocket,
the chain guide outer plate of the front derailleur may touch the chain.
• Shimano does not provide the bottom bracket mount fixing bolts.
• For smooth operation, use the specified outer casing and the bottom bracket cable guide.
• 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.
• Be sure to read the service instructions for the Front Drive System in conjunction with these service
instructions.
After taking up the initial slack in the cable, re-secure to the front
derailleur as shown in the illustration.
Normal type Top route type
Pull
Pull
Set the height of the front derailleur. The flat section of the
chain guide outer plate should be directly above and
parallel to the larger chainring. Secure using a 5 mm allen
key.
Installation of the front derailleur
Tightening torque :
5 - 7 N·m {44 - 60 in. lbs.} Chain guide
Chainwheel (larger chainring)
SIS Adjustment
Be sure to follow the sequence described below.
1. Low adjustment
Set so that the clearance between the chain guide inner plate and the
chain is 0 - 0.5 mm.
2. Connecting and securing the inner cable
Switch the mode converter to
the 3x (triple mode) position,
and then check the lowest
position. Operate lever B two
times or more to set the lever
to the lowest position.
Remove the inner hole cover,
and install the cable.
Low adjustment
screw
Chain
Chain guide
inner plate
4. Top adjustment
Set so that the clearance
between the chain guide outer
plate and the chain is 0 - 0.5
mm.
Chain position
SI-5M90A-002-00
Specifications
Technical Service Instructions SI-5M90A-002
FD-M985
FD-M985-E / FD-M985-E2
FD-M986 / FD-M986-D
Front derailleur
• FD-M986-D
• FD-M985-E
• FD-M985-E2
• FD-M985 / M986
Tightening torque :
6 - 7 N·m {52 - 60 in. lbs.}
< Normal type >
• FD-M986 / FD-M986-D
< Top route type >
5 mm Allen key
8 mm spanner4 mm Allen key
< Normal type >
• FD-M985 / FD-M985-E / FD-M985-E2
< Top route type >
Note:
Pass the cable
through as shown
in the illustration.
Wire fixing bolt
Note:
Pass the cable
through as shown
in the illustration.
Wire fixing bolt
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
* Service Instructions in further languages are available at :
http://techdocs.shimano.com
Please note: specifications are subject to change for improvement without notice. (English)
© Jly. 2010 by Shimano Inc. XBC SZK Printed in Japan.
X = Available Chain
Chain guide
outer plate
Chain
Chain guide
inner plate
Outer casing adjustment barrel
Note:
When installing the components to carbon frame/handle bar surfaces, verify with the manufacturer of the carbon
frame/parts for their recommendation on tightening torque in order to prevent over tightening that can cause
damage to the carbon material and/or under tightening that can cause lack of fixing strength for the components.
For bracket type
Install as shown in the illustration.
Bolt
AdapterAdapter
Front Derailleur
Front Chainwheel
1,2Tightening torque :
35 - 50 N·m {305 - 435 in. lbs.}
3Tightening torque :
5 - 7 N·m {44 - 60 in. lbs.}
Install the front derailleur as shown in the illustration. At this time,
adjust the position of the front derailleur while installing it so that
there is a clearance of 1 - 3 mm between the chain guide outer
plate and the maximum outer diameter of the larger chainring.
Chain guide outer plate
Maximum outer diameter
Pro-Set gauge
1~3mm
Clearance:
Tightening torque :
5 - 7 N·m {44 - 60 in. lbs.}
42T 40T 38T
155.5 mm*
(From bottom
bracket center)
44T 42T 40T
Outside Inside
FD-M986
FD-M986-D
FD-M985
FD-M985-E
FD-M985-E2
Top adjustment
screw
FD-M986
FD-M986-D
FD-M985
FD-M985-E
FD-M985-E2
Front
chainrings
Rear
sprockets
Model number
Normal type
Top route type
Front chainwheel tooth difference
Front derailleur installation band diameter
Chainstay angle (a)
Applicable chain line
Note:
Do not force the mode select switch to turn. If you force it to turn, it
will break.
Mode converter
Mode select switch
Attach the same outer end cap to the cut end of the outer casing.
Outer end cap
Cutting the outer casing
When cutting the outer casing, cut the opposite end to the end with
the marking. After cutting the outer casing,
make the end round so that the inside of the
hole has a uniform diameter.
Install the inner hole cover by turning it as
shown in the illustration until it stops.
Do not turn it any further than this, otherwise
it may damage the thread on the cover.
Inner hole cover
Inner hole cover
Inner cable
Lever (B)
If the chain falls to the crank
side
Tighten the top adjustment screw
clockwise (about 1/4 turn).
Loosen the top adjustment screw
counterclockwise (about 1/8
turn). If it still does not solve the
problem, adjust the cable tension
again.
If shifting is difficult from the
small chainring to the large
chainring
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 shifting is difficult from the
large chainring to the small
chainring.
Loosen the low adjustment screw
counterclockwise
(about 1/4 turn).
Tighten the top adjustment screw
clockwise (about 1/8 turn). If this
still does not solve the problem,
tighten the outer casing
adjustment barrel by turning it
clockwise by 1 to 2 turns.
If there is interference between
the chain and the front derailleur
inner plate when the chain is on
the large chainring and the
largest sprocket
If there is interference between
the chain and the front derailleur
outer plate at the large
chainring.
Loosen the top adjustment screw
by turning it counterclockwise
(about 1/2 turn).
If this still does not solve the
problem, loosen the outer casing
adjustment barrel by turning it
counterclockwise by 1 to 2 turns.
If the chain falls to the bottom
bracket side.
Tighten the low adjustment screw
clockwise (about 1/2 turn).
Smallest
sprocket
Large
chainring
Chain position
Largest
sprocket
Large
chainring
Chain position
Largest
sprocket
Small
chainring
(2) 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.
• FD-M985-E / FD-M985-E2
Models without BB plate
Tightening torque :
5 - 7 N·m {44 - 60 in. lbs.}
Bottom bracket
mount
Bracket
Example: When using an Allen key
Bottom bracket mount fixing bolt
Note: Shimano does not provide
the bottom bracket mount
fixing bolts.
42T
Outside Inside
44T
38T 40T
Outside Inside
40T
159.5 mm*
(From bottom
bracket center)
* The installation height will vary depending on the
position of the frame washer.
Use an 8 mm spanner or a 4 mm Allen key to tighten the wire
fixing bolt.
Applicable front chainwheel For double chainwheel only
FC-M980 (38-26T), FC-M985 (40-28T, 42-30T, 44-30T)
46.8 mm
48.8 mm
FD-M985
X
X
14, 12T
S, M, L
66° - 69°
38T
40-44T
FD-M985-E
X
X
14, 12T
–
66° - 69°
–
40-44T
FD-M985-E2
X
X
12T
–
66° - 69°
38T
40T
FD-M986
X
X
14, 12T
S, M, L
66° - 69°
38T
40-44T
FD-M986-D
X
X
14, 12T
–
66° - 69°
38T
40-44T
Note:
The mode converter cannot be switched while the lever is at the
lowest position. Be sure to operate lever (A) one or more times
before switching. Do not turn the mode converter by force, otherwise
it may break.
Mode converter
Mode select switch
Lever (A)
Operate lever A once to set it to the middle position. Switch the
mode converter to the 2x (double mode) position.
Especificaciones del producto
| Marca: | Shimano |
| Categoría: | Accesorio para bicicleta |
| Modelo: | FD-M985 |
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