Shimano Ultegra 6703 Crankset Triple User Manual
Contents
1. change for improvement without notice English Feb 2011 by Shimano Inc XBC IZM Printed in Japan Technical Service Instructions SI 1LJ0A 002 FC 6700 FC 6703 FC 6750 Front chainwheel Specifications Model number FC 6700 FC 6703 FC 6750 ae 52 39T Chainwheel tooth combination 53 39T 52 39 30T 50 34T Bolt circle diameter 130 mm 130 92 mm 110 mm Crank arm length 165 170 172 5 175 mm Pedal threads B C 9 16 x 20T Pl Engli ish thread CN 7901 7900 CN 7801 CN 7901 7900 Applicable chain CN 6701 6700 CN 6600 CN 6701 6700 Chain line 43 5 mm 45 mm 43 5 mm Bottom bracket shell width Thread dimensions 68 mm 1 37 X 24 TPL 70 mm M36 X 24 T P Bottom bracket SM BB6700 Installation of the chainrings Smooth shifting will not be possible if the chainrings are incorrectly installed so be sure to install the chainrings in the correct positions e Use the correct combination of genuine Shimano bolts chainrings and crank arm otherwise the large chainring may become damaged by the bolts Installation of the front chainwheel lt FC 6700 6750 gt With the marked surface of the larger chainring facing out set the larger chainring so that the chain drop prevention pin is lined up with the crank arm position With the marked surface of the smaller chainring facing away from the crank arm set the chainring so that the A mark i2. 01 Chainring 30T D for FC 6703 G 15 Y1LK98020 Chainring 39T D for FC 6703 ia Y1LK98040 Chainring 39T D for FC 6703 G 16 Y1LK98030 Chainring 52T D for FC 6703 Y1LK98050 Chainring 52T D for FC 6703 G A Same parts Mar 2011 2979A B Parts are usable but differ in materirals appearance finish size etc Shimano Inc I Absence of mark indicates non interchangeability Specifications are subject to change without notice S H l m A n 8 SI 1LJO0A 002 00 i General Safety Information A WARNING e Be careful not to let the cuffs of your clothes get caught in the chain while riding otherwise you may fall off the bicycle e Check that the tension of the chain is correct and that the chain is not damaged If the tension is too weak or the chain is damaged the chain should be replaced If this is not done the chain may break and you may fall off the bicycle e The two left crank arm mounting bolts should be tightened alternately in stages rather than each bolt being fully tightened all at once Use a torque wrench to check that the final tightening torques are within the range of 12 14 N m Furthermore after riding approximately 100 km 60 miles use a torque wrench to re check the tightening torques It is also important to periodically check the tightening torques If the tightening torques are too weak or if the mounting bolts are not tightened alternately in stages the left crank arm may come off and the bicycle may fall over and
3. 6708 insert a spacer and a ring Inner cover Bottom bracket shell O vo Note Set the stopper plate in the right direction as shown in illustration
4. ULTEGRA Front Chainwheel FC 6703 Silver Version FC 6703 c Glossy Grey Version e Bolt circle diameter 130 mm For outer gear and middle gear 92 mm For inner gear ITEM SHIMANO DESCRIPTION INTERCHANGE 1 Y1KS13000 Crank Arm Fixing Bolt A A Y1LJ98010 Left Hand Crank Arm 165 mm for FC 6703 A B B Y1LJ98110 Left Hand Crank Arm 165 mm for FC 6703 G A B B Y1LJ98020 Left Hand Crank Arm 170 mm for FC 6703 A B B 2 Y1LJ98120 Left Hand Crank Arm 170 mm for FC 6703 G A B B Y1LJ98030 Left Hand Crank Arm 172 5 mm for FC 6703 A B B Y1LJ98130 Left Hand Crank Arm 172 5 mm for FC 6703 G A B B Y1LJ98040 Left Hand Crank Arm 175 mm for FC 6703 A B B Y1LJ98140 Left Hand Crank Arm 175 mm for FC 6703 G A B B 3 Y1G398010 Clamp Bolt M6 x 19 amp Washer A A B 4 Y1GE98050 Plate A A A 5 Y1F316000 Ring A A A 6 Y1GF11000 Spacer 3 mm B A 7 Y1LJ98050 Left Hand Adapter B C 1 37 x 24T English Thread A B B Y1LJ98060 Left Hand Adapter M36 x 24T Italian Thread A B B 8 Y1G398150 Inner Cover amp O Ring A A A 9 Y1TF21000 O Ring A A A 10 Y1LJ98070 Right Hand Adapter B C 1 37 x 24T English Thread A B B Y1LJ98080 Right Hand Adapter M36 x 24T Italian Thread A B B 11 Y1F913000 Spacer 6 5 mm A A 12 Y1KY98160 Gear Fixing Bolt 5 pcs A 13 Y1LK98010 Inner Gear Fixing Bolt Unit M8 x 9 1 5 pcs 14 Y1LK30000 Chainring 30T D for FC 6703 i Y1LK300
5. oming off the chainrings during use replace the chainrings and the chain e You should periodically wash the chainrings in a neutral detergent and then lubricate them again In addition cleaning the chain with neutral detergent and lubricating it can be an effective way of extending the useful life of the chainrings and the chain e The cuffs of your clothing may get dirty from the chain while riding e When installing the pedals apply a small amount of grease to the threads to prevent the pedals from sticking Use a torque wrench to securely tighten the pedals Tightening torque 35 55 N m 305 479 in lbs The right hand crank arm has a right hand thread and the left hand crank arm has a left hand thread e Parts are not guaranteed against natural wear or deterioration resulting from normal use e For maximum performance we highly recommend Shimano lubricants and maintenance products e For any questions regarding methods of installation adjustment maintenance or operation please contact a professional bicycle dealer SHIMANO SHIMANO AMERICAN CORPORATION One Holland Irvine California 92618 U S A Phone 1 949 951 5003 SHIMANO INC 3 77 Oimatsu cho Sakai ku Sakai shi Osaka 590 8577 Japan SHIMANO EUROPE B V Industrieweg 24 8071 CT Nunspeet The Netherlands Phone 31 341 272222 Service Instructions in further languages are available at http techdocs shimano com Please note specifications are subject to
6. on shown in the illustration the chain may Double Triple 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 Front i after chainrings e If the bottom bracket shell is not parallel gear shifting performance will drop e Use the CN 7801 CN 6600 with the FC 6703 Rear e Before riding the bicycle check that there is no play or looseness in the sprockets 00 ii lu connection Also be sure to retighten the crank arms and pedals at periodic intervals e If a squeaking noise is heard coming from the bottom bracket axle and the left crank arm connector apply grease to the connector and then tighten it to the specified torque e Use a neutral detergent to clean the crank arm and the bottom bracket Using alkaline or acidic detergents may cause discoloration e If you feel any looseness in the bearings the bottom bracket should be replaced e In addition if pedaling performance does not feel normal check this once more e Do not wash the bottom bracket with high pressure jets of water e When installing the left and right adapters be sure to install the inner cover too otherwise the waterproofing performance will drop e Apply grease to the left and right adapters before installing them e To ensure the best performance be sure to use only the specified type of chain The wide type of chain cannot be used e If the chain keeps c
7. s lined up with the crank arm position Tightening torque 12 16 N m 106 139 in Ibs lt FC 6703 gt Chain drop prevention pin SER OK n DG inward 12 16 Nem Crank arm For the FC 6703 the tooth number marking on the largest chainring should face outward and the markings on the intermediate and smallest chainrings should face Tightening torque 106 139 in Ibs Follow the procedure in the figure 1 2 Use the TL FC32 36 special tool to install the right adapter counterclockwise thread the inner cover and the left adapter clockwise thread Tightening torque 35 50 N m 305 435 in Ibs 3 Insert the right crank unit 4 Set section A of the left crank into the axle of the right crank unit where the groove is wide Insert a spacer and a ring when installing the FC 6703 left crank unit 5 Use the TL FC16 18 to tighten the cap Tightening torque 0 7 1 5 N m 6 13 in Ibs 6 Push in the stopper plate and check that the plate pin is securely in place and then tighten the bolt of the left crank arm 5 mm Allen key Note Each of the bolts should be evenly and equally tightened to 12 14 N m 106 122 in Ibs TL FC32 e Right adapter clockwise thread for 70 mm M36 bottom brackets Wide groove area For the FC
8. serious injury may occur as a result e Check that there are no cracks in the crank arms before riding the bicycle If there are any cracks the crank arm may break and you may fall off the bicycle e If the inner cover is not installed correctly the axle may rust and become damaged and the bicycle may fall over and serious injury may occur as a result e 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 e 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 e Read these Technical Service Instructions carefully and keep them in a safe place for later reference A CAUTION e If the chain is on the smallest or intermediate chainring there is the danger of injury from the tips of the teeth on the largest chainring Note e Make sure that the chainring combination matches the front chainwheel tooth configuration in the Product specifications table If other combinations are used the distance between the chainrings will be incorrect and the chain might slip off and get caught in between them e When the chain is in the positi
Download Pdf Manuals
Related Search