User manual SHIMANO FH-7900 ASSEMBLY

[. . . ] SI-3D80A-004-00 General Safety Information WARNING · Check that the wheels are fastened securely before riding the bicycle. If the wheels are loose in any way, they may come off the bicycle and serious injury may result. [. . . ] · Do not apply any oil to the inside of the hub, otherwise the grease will come out. · You should periodically wash the sprockets in a neutral detergent and then lubricate them again. In addition, cleaning the chain with neutral detergent and lubricating it can be a effective way of extending the useful life of the sprockets and the chain. · If the chain keeps coming off the sprockets during use, replace the sprockets and the chain. · Parts are not guaranteed against natural wear or deterioration resulting from normal use. · For maximum performance we highly recommend Shimano lubricants and maintenance products. To replace the HG sprockets, use the special tool (TL-LR15/LR10) and TLSR21 to remove the lock ring. The groove is wide at one place only. Spacer Sprocket spacers Lock ring Lock ring 12T - 23T, 12T - 25T, 12T - 27T When installing the CS-7900 (10gears) freehub, install a spacer in the position shown in the illustration. TL-LR15/LR10 Tool (TL-SR21) Disassembly Spacer Sprocket spacers Lock ring Technical Service Instructions SI-3D80A-004 Replacement of the freewheel body % First, pull out the hub axle by following the procedure shown in the illustration. Disassembly from the freewheel side is not possible. FH-7900 Specifications Freehub Model No. of spoke holes Overlock nut dimensions FH-7900 10 / 9 / 8 24 / 28 / 32 / 36 (Flat spokes : 24 / 28) 130 mm (1) 5 mm Allen key (2) B (3) Cone A Disassembly Seal Hub axle Cassette sprocket Sprockets marked by Model No. 11T - 21T 11T - 23T 11T - 25T Sprocket tooth configuration 11T - 27T 11T - 28T 12T - 23T 12T - 25T 12T - 27T Cone holding tube are secured. CS-7900 11T, 12T, 13T, 14T, 15T, 16T, 17T, 18T, 19T, 21T 11T, 12T, 13T, 14T, 15T, 16T, 17T, 19T, 21T, 23T 11T, 12T, 13T, 14T, 15T, 17T, 19T, 21T, 23T, 25T 11T, 12T, 13T, 14T, 15T, 17T, 19T, 21T, 24T, 27T 11T, 12T, 13T, 14T, 15T, 17T, 19T, 21T, 24T, 28T 12T, 13T, 14T, 15T, 16T, 17T, 18T, 19T, 21T, 23T 12T, 13T, 14T, 15T, 16T, 17T, 19T, 21T, 23T, 25T 12T, 13T, 14T, 15T, 16T, 17T, 19T, 21T, 24T, 27T % 5 mm Allen key Left side Tightening torque: 15 - 17 N·m {130 - 148 in. lbs. } Lip is on the outside Note: · When removing and installing the seal, do it very carefully so that the seal does not become bent. When reinstalling the seal, make sure that it is facing the right way, and insert it as far as it will go. · Tighten the cone onto the hub axle until it has no looseness. [. . . ] 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 Disassembly 14 mm Allen key * Service Instructions in further languages are available at : http://techdocs. shimano. com Please note: specifications are subject to change for improvement without notice. XBC SZK Printed in Japan. Do not disassemble the seal. Freewheel body fixing bolt [. . . ]