Shimano ST-RX810-LA Dealer's Manual

Type
Dealer's Manual
(English)
Dealer's Manual
ROAD MTB Trekking
City Touring/
Comfort Bike URBAN SPORT E-BIKE
Hydraulic Disc Brake/
Dual Control Lever
GRX
ST-RX810
ST-RX810-LA
ST-RX600
ST-RX400
BR-RX810
BR-RX400
BL-RX810
BL-RX812
BL-RX600
DM-GADBR01-05
2
Contents
Contents ...................................................................................2
IMPORTANT NOTICE ..................................................................4
TO ENSURE SAFETY ...................................................................5
List of tools to be used ..........................................................11
Installation/removal ..............................................................13
Installing the dual control lever / brake lever ...................................13
Installing the sub brake lever ..............................................................15
Installing the disc brake rotor .............................................................16
Installing the brake calipers ................................................................17
• Installing the brake pads ....................................................................................................... 17
• Installing to the frame ........................................................................................................... 18
Installing the brake hose .....................................................................31
• Overview of the easy hose joint system ................................................................................ 31
• Checking the length of the hose ........................................................................................... 32
• Cutting the hose ..................................................................................................................... 33
• Connecting the hose .............................................................................................................. 40
• Installing the brake hose to the sub brake lever .................................................................. 42
Installing the shifting cable/seat post cable ......................................49
• Cable to be used ..................................................................................................................... 49
• Outer cap with tongue installation position ........................................................................ 50
• Cutting the outer casing ........................................................................................................ 51
• Installing the inner cable ....................................................................................................... 52
Adjustment .............................................................................56
Adjusting the reach ..............................................................................56
Adjusting the free stroke ....................................................................58
Maintenance ...........................................................................60
Replacing the brake pads ....................................................................60
SHIMANO genuine mineral oil replacement ......................................62
• Draining the mineral oil ......................................................................................................... 63
3
• Adding mineral oil and bleeding air ..................................................................................... 65
Replacing the brake hose ....................................................................82
• Checking the hose length and cutting the hose .................................................................. 83
• Assembly to the lever ............................................................................................................. 84
• Assembly to the brake caliper ............................................................................................... 85
Caliper piston maintenance .................................................................88
Replacing the name plate ....................................................................89
Replacing the bracket cover ................................................................89
Replacing the main lever support .......................................................91
Replacing the cable cover ....................................................................93
Removing a separated inner end (shifting cable) ..............................94
Replacing the SL cable guide ...............................................................95
Replacing the diaphragm ....................................................................97
4
IMPORTANT NOTICE
IMPORTANT NOTICE
This dealer's manual is intended primarily for use by professional bicycle mechanics.
Users who are not professionally trained for bicycle assembly should not attempt to
install the components themselves using the dealer's manuals.
If any part of the information on the manual is unclear to you, do not proceed with the
installation. Instead, contact your place of purchase or a distributor for assistance.
Make sure to read all manuals included with each product.
Do not disassemble or modify the product other than as stated in the information
contained in this dealer's manual.
All manuals and technical documents are accessible online at https://si.shimano.com.
For consumers who do not have easy access to the internet, please contact a SHIMANO
distributor or any of the SHIMANO offices to obtain a hardcopy of the User's Manual.
Please observe the appropriate rules and regulations of the country, state or region in
which you conduct your business as a dealer.
For safety, be sure to read this dealer's manual thoroughly before use, and
follow it for correct use.
The following instructions must be observed at all times in order to prevent personal injury
and physical damage to equipment and surroundings.
The instructions are classified according to the degree of danger or damage which may occur
if the product is used incorrectly.
DANGER Failure to follow the instructions will result in death or serious
injury.
WARNING Failure to follow the instructions could result in death or
serious injury.
CAUTION Failure to follow the instructions could cause personal injury or
physical damage to equipment and surroundings.
5
TO ENSURE SAFETY
TO ENSURE SAFETY
WARNING
Be sure to follow the instructions provided in the manuals when installing the product.
Only use SHIMANO genuine parts. If a component or replacement part is incorrectly
assembled or adjusted, it can lead to component failure and cause the rider to lose
control and crash.
Wear approved eye protection while performing maintenance tasks such as
replacing components.
Be sure to also inform users of the following:
Because each bicycle may handle slightly differently depending on the model, be sure to
learn the proper braking technique (including brake lever pressure and bicycle control
characteristics) and operation of your bicycle. Improper use of your bicycle's brake system
may result in a loss of control, which could lead to serious injury due to a fall or collision.
Please use extra caution to keep your fingers away from the rotating disc brake rotor.
The disc brake rotor is sharp enough to inflict severe injury to your fingers if caught
within the openings of moving rotor.
Do not touch the calipers or disc brake rotor while riding or immediately after
dismounting from the bicycle. The calipers and disc brake rotor will become hot when
the brakes are operated, so you may get burned if you touch them.
Do not allow any oil or grease to get onto the disc brake rotor and brake pads. Riding
the bicycle with oil or grease on the disc brake rotor and brake pads may prevent the
brakes from operating and result in serious injury due to a fall or collision.
Check the thickness of the brake pads and do not use them if they have a thickness of 0.5
mm or less. Doing so may prevent the brakes from operating and result in serious injury
due to a fall or collision.
2 mm 0.5 mm
6
TO ENSURE SAFETY
Do not use the disc brake rotor if it is cracked or deformed. The disc brake rotor may
break, and result in serious injury due to a fall. Replace the disc brake rotor with a new
one.
Do not use the disc brake rotor if its thickness is 1.5 mm or less. Also do not use it if the
aluminum surface becomes visible. The disc brake rotor may break, and result in serious
injury due to a fall. Replace the disc brake rotor with a new one.
Do not continuously apply the brakes. Doing so may cause a sudden increase in the brake
lever stroke, preventing the brakes from operating and resulting in serious injury due to
a fall or collision.
Do not use the brakes with fluid leaking. Doing so may prevent the brakes from
operating and result in serious injury due to a fall or collision.
Do not apply the front brake too strongly. If you do so, the front wheel may lock and the
bicycle may fall forward, and serious injury may result.
Because the required braking distance will be longer during wet weather, reduce your
speed and apply the brakes early and gently. You may fall or collide and be seriously
injured.
A wet road surface may cause tires to lose traction; therefore, to avoid this, reduce your
speed and apply the brakes early and gently. If the tires lose traction, you may fall and be
seriously injured.
If the quick release lever is on the same side as the disc brake rotor, confirm that it does
not interfere with the disc brake rotor. Otherwise, the bicycle may fall forward, and
serious injury may result.
For installation to the bicycle and maintenance
Do not use oil other than SHIMANO genuine mineral oil. Doing so may prevent the
brakes from operating and result in serious injury due to a fall or collision.
Be sure to use only oil from a freshly-opened container. Doing so may prevent the brakes
from operating and result in serious injury due to a fall or collision.
Do not let water or air bubbles get into the brake system. Doing so may prevent the
brakes from operating and result in serious injury due to a fall or collision.
Do not use with a tandem bicycle. Doing so may prevent the brakes from operating and
result in serious injury due to a fall or collision.
7
TO ENSURE SAFETY
When installing the brake caliper using screw
fixing pins, be sure to use fixing screws of the
appropriate length.
If not, the screw fixing pins may not be securely
fastened, and the screws may fall out. Screw fixing pin
Brake hose
Refer to the table below, and do not use an incorrect connector insert. Doing so may
prevent the brakes from operating and result in serious injury due to a fall or collision.
Brake hose Connector insert
Length Color
SM-BH90-JK-SSR 11.2 mm Silver
Do not reuse the olive piece or the connector insert when reinstalling. Doing so may
prevent the brakes from operating and result in serious injury due to a fall.
Cut end
Flare nut
Brake hose
Olive
Connector insert
Cut the brake hose so that the cut end is perpendicular to the length of the hose. If the
brake hose is cut at an angle, fluid leaks may result.
90°
CAUTION
Be sure to also inform users of the following:
Cautions on SHIMANO genuine mineral oil
Use appropriate eye protection when handling, and avoid contact with eyes. In the event
of eye contact, flush with fresh water and seek medical assistance immediately. Contact
with eyes may result in irritation.
8
TO ENSURE SAFETY
Use gloves when handling. In the event of skin contact, wash well with soapy water.
Contact with skin may cause a rash and discomfort.
Cover nose and mouth with a respirator type mask and use in a well ventilated area.
Inhalation of mineral oil mist or vapors may cause nausea.
If mineral oil mist or vapor is inhaled, go immediately to an area with fresh air. Cover up
with a blanket. Stay warm and stable and seek professional medical advice.
Bed-in period
Disc brakes have a bed-in period, and the braking force will gradually increase as the
bed-in period progresses. Accidents or falls may occur due to losing control of the bicycle,
possibly resulting in serious injury.
The same thing will happen when the brake pads or disc brake rotor are replaced.
For installation to the bicycle and maintenance
When using the SHIMANO original tool (TL-FC36) to remove and install the disc brake
rotor lock ring, wear gloves and be careful not to touch the outer edges of the disc brake
rotor with your hands. Failure to do so may result in cuts to your hands.
Handling SHIMANO genuine mineral oil
Do not drink. May cause vomiting or diarrhea.
Keep out of reach of children.
Do not cut, let near heat, weld or pressurize the SHIMANO genuine mineral oil container.
Doing so may cause an explosion or fire.
Disposal of used oil: Follow local county and/or state codes for disposal.
Directions: Keep the container sealed to prevent foreign objects and moisture from
getting inside, and store it in a cool, dark area away from direct sunlight or heat. Keep
from heat or flame
For cleaning brake hoses exposed to mineral oil, or cleaning and maintaining tools, use
isopropyl alcohol or a dry cloth. Do not use commercially available brake cleaners. Doing
so may cause damage to plastic parts.
Brake hose
When cutting the brake hose, handle the knife carefully so as not to cause injury.
Be careful to avoid injury from the olive.
When using TL-BH62
When cutting the hose, handle the knife carefully so as not to cause injury.
Be careful to avoid pinching your fingers between the lever and the tool during
operations.
9
TO ENSURE SAFETY
When replacing the knife blade, handle the knife carefully so as not to cause injury.
If mineral oil adheres to the brake hose, use isopropyl alcohol to clean the hose and
remove the oil.
Keep the tool and the blades out of reach of small children.
Use isopropyl alcohol or a dry cloth when cleaning brake hoses and cleaning and
maintaining tools. Do not use commercially available brake cleaners. Doing so may cause
damage to plastic parts.
NOTICE
Be sure to also inform users of the following:
When the bicycle wheel has been removed, it is recommended that pad spacers are
installed. Do not depress the brake lever while the wheel is removed. If the brake lever is
depressed without the pad spacers installed, the pistons will protrude further than
normal. If that happens, consult a place of purchase.
When conducting maintenance, do not use commercially available brake cleaners or
silencing agents, as they can cause damage to parts such as the seals.
Be sure to keep rotating the crank arm during gear shifting operations.
Handle the components carefully, and avoid subjecting them to strong shock.
Do not use the thinners or harsh solvents to clean the products. Such solvents may
damage the surface.
If gear shifting operation does not feel smooth, consult the place of purchase for
assistance.
Products are not guaranteed against natural wear and deterioration from normal use
and aging.
For maximum performance we highly recommend SHIMANO lubricants and maintenance
products.
For installation to the bicycle and maintenance
Use a brake hose/outer casing which still has some length to spare even when the
handlebars are turned all the way to either side. Furthermore, check that the dual control
lever / brake lever does not touch the bicycle frame when the handlebars are turned all
the way.
Use an OT-SP sealed cable and cable guide for smooth operation.
10
TO ENSURE SAFETY
Grease with SIS SP41 Grease (Y04180000) the inner cable and the sliding portions of the
outer casing before use to ensure that they slide properly. Do not let dust adhere to the
inner cable.
If gear shifting adjustments cannot be carried out, check that the rear derailleur hanger
is aligned. Check if the cable is lubricated or if the outer casing is too long or too short.
Do not remove the lever unit.
If the brake caliper mounting boss and the dropout are not of standard dimensions, the
disc brake rotor and caliper may touch.
When the bicycle wheel has been removed, it is recommended that pad spacers are
installed. The pad spacers will prevent the piston from coming out if the brake lever is
depressed while the wheel is removed.
If the brake lever is depressed without the pad spacers installed, the pistons will protrude
further than normal. Use a flat-shaped tool to push back the brake pad, while being
careful not to damage the surface of the brake pads. (If the brake pads are not installed,
use a flat-shaped tool to push the pistons straight back in, while being careful not to
damage them.) If it is difficult to push the brake pads or pistons back, remove the bleed
screws then try again. (Note that some oil may overflow from the reservoir tank at this
time.)
Do not remove the pistons when disassembling and cleaning the calipers.
The clamp band, clamp screw and clamp nut are not compatible with other products. Be
sure to always use the clamp band, clamp screw and clamp nut which is specific to each
product.
The actual product may differ from the illustration because this manual is
intended mainly to explain the procedures for using the product.
11
List of tools to be used
List of tools to be used
The following tools are needed for installation/removal, adjustment, and maintenance
purposes.
Tool
2 mm hexagon wrench
2.5 mm hexagon wrench
3 mm hexagon wrench
4 mm hexagon wrench
5 mm hexagon wrench
8 mm hexagon wrench
8 mm spanner
7 mm box wrench
Adjustable wrench
Slotted screwdriver
Cross head screwdriver [#1]
Slotted screwdriver (nominal size 0.8 × 4)
TL-BH62
TL-CT12
SM-DISC (oil funnel and oil stopper)
Funnel adapter
12
List of tools to be used
Tool
TL-BT03S
TL-LR15 / TL-LR10
Micrometer
Hexalobular [#8]
13
Installation/removal
Installing the dual control lever / brake lever
Installation/removal
Installing the dual control lever / brake lever
1. Turn over the bracket cover from the back side.
Gently turn over the ends of the bracket cover with both hands and slowly push them
down.
NOTICE
Forcibly pulling it may cause damage to the bracket cover because of its material
properties.
2. Loosen the clamp screw.
The clamp screw is on top of a bracket which has had its bracket cover turned over.
Clamp screw
14
Installation/removal
Installing the dual control lever / brake lever
NOTICE
Be sure to loosen the clamp screw sufficiently. The handlebar may be damaged
when passing the clamp band over the drop handlebar.
3. Install the lever to the handlebar.
Tighten the clamp screw.
Clamp screw
6 - 8 N·m
NOTICE
The clamp band, clamp screw and clamp nut are not compatible with other
products. Be sure to always use the clamp band, clamp screw and clamp nut
which is specific to each product.
15
Installation/removal
Installing the sub brake lever
Installing the sub brake lever
NOTICE
The sub brake lever band area is Ø31.8 mm in diameter, and the mounting area is 38
mm wide. Accordingly, install the sub brake lever to the area on the handlebar where
the diameter is Ø31.8 mm and the width is 38 mm or more as shown in the figure.
Installation range for sub brake lever mounting area:
38 mm or more required
Ø31.8 mm
38 mm
Do not excessively pull the band, or bend and deform it. This may weaken its
attachment to the handlebar and make it difficult to install.
Band
1. Loosen the clamp screw on the sub brake lever.
Loosen until the clamp screw is removed.
Clamp screw
16
Installation/removal
Installing the disc brake rotor
2. Set the collar and screw holder as shown in the figure.
Screw holder
Collar
3. Install the sub brake lever to the handlebar.
Ensure that the contact area of the lever contacts the Ø31.8 mm section of the bar for at
least 5 mm. Hold the band firmly around the handlebar and be sure the screw enters the
screw hole straight when fastening the band.
Clamp screw
Contact area
2 - 4 N·m
Installing the disc brake rotor
Refer to the dealer's manual for the wheels to install and remove the disc brake rotor.
17
Installation/removal
Installing the brake calipers
Installing the brake calipers
Installing the brake pads
1. Remove the bleed spacer (yellow).
(1) Remove the retaining clip.
(2) Remove the pad axle.
(3) Remove the bleed spacer (yellow).
Bleed spacer (yellow)
(3)
(2)
(1)
2. Set the pad presser spring in the brake pads.
Since there are fins on the front and rear of the finned pads, set the pads as shown in the
figure.
Brake pad presser spring
Finned pad
3. Install the brake pads.
(1) Set the brake pads in the caliper.
(2) Insert the pad axle.
18
Installation/removal
Installing the brake calipers
(3) Install the retaining clip.
Retaining clip
(2)
(3)
Brake pad
(1)
0.2 - 0.4 N·m
Installing to the frame
With the brake pads in place, install the caliper to the frame. The installation method differs
according to the disc brake rotor used.
`When using a mount bracket (140 mm disc brake rotor)
1. Install the wheel with an attached disc brake rotor onto the frame.
2. Attach the mount bracket to the brake caliper.
(1) Tighten it using the caliper fixing screw B.
19
Installation/removal
Installing the brake calipers
(2) Install the screw fixing pin.
* Check that the screw fixing pin is fully inserted all the way to the back.
Mount bracket
Caliper fixing screw B
Screw fixing pin
6 - 8 N·m
NOTICE
Pay attention to the marking on the mount bracket when attaching it.
20
Installation/removal
Installing the brake calipers
3. Temporarily install the mount bracket to the frame so that it can move
left and right.
Caliper fixing screw A
(Temporary)
4. Depress the brake lever so that the disc brake rotor is held between
the pads, then tighten both caliper fixing screws A.
Caliper fixing screw A
6 - 8 N·m
TECH TIPS
Bring caliper fixing screws A up to torque in steps, alternating from one screw to
the other. This will help keep the caliper centered over the disc brake rotor.
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Shimano ST-RX810-LA Dealer's Manual

Type
Dealer's Manual

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