General Safety Information Technical Service Instructions SI-5VV0B 3. Low adjustment Chain length on bicycles with rear suspension Turn the low adjustment screw so that the guide pulley moves to a position directly in line with the largest sprocket. The length of A will vary depending on the movement of the rear suspension. RD-M751/RD-M571/ WARNING Because of this, an excessive load may be placed on the drive system if the chain · Use neutral detergent to clean the chain. Do not use alkali-based or acid based Rear derailleur length is too short. Set the length of the chain by adding two links to the chain when RD-M511 detergent such as rust cleaners as it may result in damage and/or failure of the the rear suspension is at a position where dimension "A" is longest and the chain is chain. on the largest sprocket and the largest chainring. If the amount of movement of the Largest · Use the reinforced connecting pin only for connecting the narrow type of chain. rear suspension is large, the slack in the chain may not be taken up properly when sprocket · There are two different types of reinforced connecting pins available. Be sure to the chain is on the smallest chainring and smallest sprocket. 1 2 Guide pulley check the table below before selecting which pin to use. If connecting pins other In order to realize the best performance, we recommend that the following combination be used. Low adjustment than reinforced connecting pins are used, or if a reinforced connecting pin or tool Chain 2 1 screw Largest Largest which is not suitable for the type of chain is used, sufficient connection force may Series XT LX DEORE sprocket chainring not be obtained, which could cause the chain to break or fall off. Rapidfire M9 (Shifting lever) SL-M751 SL-M571 SL-M511 Reinforced Chain Chain tool Outer casing SIS-SP41 A' connecting pin 4. How to use the B-tension adjustment screw Rear derailleur RD-M751 RD-M571 RD-M511 9-speed super narrow Mount the chain on the smallest chainring and the largest chain such as Silver TL-CN32 /TL-CN23 Type SGS / GS SGS sprocket, and turn the crank arm backward. Then turn the CN-7701 / CN-HG93 Add 2 links (with the chain on 6.5mm B-tension adjustment screw to adjust the guide pulley as close to Freehub FH-M765 / FH-M760 FH-M585 / FH-M580 FH-M530 / FH-M535 8- / 7- / 6-speed narrow both the largest sprocket and the sprocket as possible but not so close that it touches. Next, chain such as Black TL-CN32 /TL-CN23 Gears 9 A the largest chainring) set the chain to the smallest sprocket and repeat the above to CN-HG50 / CN-IG51 7.1mm Cassette sprocket CS-M760 CS-M580 CS-HG50-9 make sure that the pulley does not touch the sprocket. · If it is necessary to adjust the length of the chain Reinforced Connecting Pin Chain CN-HG93 CN-HG73 CN-HG53 Largest sprocket Smallest sprocket due to a change in the number of sprocket teeth, 2 make the cut at some other place than the place Bottom bracket guide SM-SP17 / SM-BT17 2 where the chain has been joined using a reinforced connecting pin or an end pin. The chain will be End Pin Link Pin damaged if it is cut at a place where it has been joined with a reinforced connecting pin or an end pin. Specifications Adjustment 1 2 · Check that the tension of the chain is correct and that the chain is not damaged. If 1 the tension is too weak or the chain is damaged, the chain should be replaced. If Rear Derailleur 1. Top adjustment Outer line of B-tension this is not done, the chain may break and cause serious injury. smallest sprocket adjustment screw Turn the top adjustment screw to adjust so 1 · Obtain and read the service instructions carefully prior to installing the parts. Model number RD-M751 / RD-M571 / RD-M511 RD-M751 / RD-M571 that the guide pulley is in line with the outer 1 2 Loose, worn, or damaged parts may cause injury to the rider. We strongly Type SGS GS line of the smallest sprocket when looking recommend only using genuine Shimano replacement parts. from the rear. Gears 9 9 · Read these Technical Service Instructions carefully, and keep them in a safe place 1 2 for later reference. Guide pulley Total capacity 45T 33T 5. SIS Adjustment Top adjustment Largest sprocket 34T 34T Note screw Operate the shifting lever several times to move the chain to the · If gear shifting operations do not feel smooth, wash the derailleur and lubricate all Smallest sprocket 11T 11T 2nd sprocket. Then, while pressing the lever just enough to take moving parts. up the play in the lever, turn the crank arm. Front chainwheel tooth difference 22T 22T · If the amount of looseness in the links is so great that adjustment is not possible, you should replace the derailleur. When shifting to When no sound · You should periodically clean the derailleur and lubricate all moving parts 2. Connection and securing of the inner cable 3rd at all is heard (mechanism and pulleys). Operate lever (B) 8 or more times to set the lever Lever (B) · If gear shifting adjustment cannot be carried out, check the degree of parallelism at to the highest position, check on the indicator that the rear end of the bicycle. Also check if the cable is lubricated and if the outer the highest position is correct, and then install and casing is too long or too short. These Service Instructions describe the operation method when using the Rapidfire SL-M751/M571/M511 in adjust the inner cable. · If you hear abnormal noise as a result of looseness in a pulley, you should replace combination with the RD-M751/M571/M511 top normal-type rear derailleur. If using in combination with the RD-M760/ the pulley. Outer casing M580/M530 reverse spring-type derailleur, the operations and indicator displays will be reversed. Tightening torque : adjustment barrel · If the chain keeps coming off the sprockets during use, replace the sprockets and 5 - 7 N·m {44 - 60 in. lbs.} the chain. Gear shifting operation · Use a frame with internal cable routing is strongly discouraged as it has tendencies Outer casing adjustment to impair the SIS shifting function due to its high cable resistance. barrel Both lever (A) and lever (B) always return to the initial position when they are released after shifting. When operating one of · Always be sure to use the sprocket set bearing the same Group marks the levers, always be sure to turn the crank arm at the same time. Tighten the outer casing Loosen the outer casing group marks. Never use in combination with a sprocket Install the inner hole cover by turning it as Unit cover adjustment barrel until the adjustment barrel until the bearing a different group mark. To shift from a small sprocket to To shift from a large sprocket to shown in the illustration until it stops. chain returns to the 2nd chain touches the 3rd sprocket · Use an outer casing which still has some length to spare even ag -18T a larger sprocket (Lever A) a smaller sprocket (Lever B) ag-15T sprocket. (clockwise) and makes noise. (counter ag-13 Do not turn it any further than this, otherwise it when the handlebars are turned all the way to both sides. T may damage the screw thread. In addition, if To shift one step only, press lever (A) to the (1) position. Press lever (B) once to shift one step from a larger to a clockwise) Furthermore, check that the shifting lever does not touch the the unit cover becomes bent, it may cause the To shift two steps at one time, press to the (2) position. smaller sprocket. bicycle frame when the handlebars are turned all the way. S unit cover to get in the way of the feed lever Feed lever · Make sure that the gear shifting cable and the brake cable do IH M A and prevent the feed lever from operating N C O - Lever (A) initial position E D ILGREPYH not obstruct each other during braking operations. If they do correctly. Best setting obstruct, it may interfere with braking. Inner hole cover If the feed lever does not return correctly, The best setting is when the shifting lever is Install the cables so that they still have some slack in them even when the loosen the inner hole cover slightly, and then operated just enough to take up the play and the handlebars are turned fully in either direction. move the feed lever and the unit cover apart Tightening torque : chain touches the 3rd sprocket and makes noise. · A special grease is used for the gear shifting cable (SIS-SP41). Do not use DURA- 0.3 - 0.5 N·m {3 - 4 in. lbs.} and check if this improves the returning of the ACE grease or other types of grease, otherwise they may cause deterioration in * Return the lever to its original position (the position where feed lever. gear shifting performance. the lever is at the 2nd sprocket setting and it has been · Grease the inner cable and the inside of the outer casing before use to ensure that released) and then turn the crank arm clockwise. If the Lever (B) chain is touching the 3rd sprocket and making noise, turn the outer they slide properly. casing adjustment barrel clockwise slightly to tighten it until the noise · For smooth operation, use the specified outer casing and the bottom bracket cable Cutting the outer casing stops and the chain runs smoothly. guide. When cutting the outer casing, cut the opposite end to Operate lever to change gears, and check that no noise occurs · Operation of the levers related to gear shifting should be made only when the front the end with the marking. After cutting the outer casing, in any of the gear positions. chainwheel is turning. make the end round so that the inside of the hole has a · Parts are not guaranteed against natural wear or deterioration resulting from uniform diameter. normal use. Installation of the lever For the best SIS performance, periodically lubricate all · For maximum performance we highly recommend Shimano lubricants and power-transmission parts. maintenance products Tightening torque : · For any questions regarding methods of installation, adjustment, maintenance or Use a handlebar grip with a maximum outer diameter of 32 mm. 5 N·m {44 in. lbs.} Outer end cap operation, please contact a professional bicycle dealer. Attach the same outer end cap to the cut end of the outer casing. · Install the shifting lever in a position where it will not obstruct brake operation and gear shifting operation. · Do not use in a combination which causes brake operation to be obstructed. · In the case of carbon handlebars, it may be necessary to lower the tightening torque in order to prevent damage to the 5 mm Allen key handlebar. Please consult the bicycle or handlebar manufacturer regarding the appropriate level of tightening torque for carbon Connect the cable to the rear derailleur and, Note: Be sure that the cable is This service instruction explains how to use and maintain the handlebars. after taking up the initial slack in the cable, securely in the groove. Shimano bicycle parts which have been used on your new bicycle. re-secure to the front derailleur For any questions regarding your bicycle or other matters which as shown in the illustration. are not related to Shimano parts, please contact the place of Installation of the rear derailleur purchase or the bicycle manufacturer. Pull When installing, be careful that deformation is not caused by the B-tension adjustment screw coming into contact 5 mm Allen key B-tension with the dropout tab. Groove adjustment screw One Holland, Irvine, California 92618, U.S.A. Phone: +1-949-951-5003 Bracket spindle Tightening torque : 8 - 10 Nm {70 - 86 in. lbs.} Industrieweg 24, 8071 CT Nunspeet, The Netherlands Phone: +31-341-272222 Dropout tab 3-77 Oimatsu-cho Sakai-ku, Sakai, Osaka 590-8577, Japan Please note: specifications are subject to change for improvement without notice. (English) © Jun. 2006 by Shimano Inc. XBC SZK Printed in Singapore.