User manual DAHON RD-TX70 TECHNICAL SERVICE INSTRUCTIONS

[. . . ] Technical Service Instructions SI-5V80A 1. [. . . ] How to use the B-tension adjustment screw Mount the chain on the smallest chainring and the largest sprocket, and turn the crank arm backward. Then turn the B-tension adjustment screw to adjust the guide pulley as close to the sprocket as possible but not so close that it touches. Next, set the chain to the smallest sprocket and repeat the above to make sure that the pulley does not touch the sprocket. Largest sprocket Smallest sprocket · If routing the casing upward: (The chain should be on the largest chainring and on the largest sprocket. ) Add 10 mm to the length of the outer casing from the end that is inserted into the outer casing holder to the end which is inserted into the link. Chain position Largest sprocket Largest chainring Link max. angle 2 2 L 1 1 1 2 B-tension ajustment screw · If routing the casing downward: (The chain should be on the largest chainring and on the largest sprocket. ) Set the length of the outer casing so that it describes a smooth arc, and so that the link stops in a position where there is a small gap between the link and the link stop. max. angle Link SIS Adjustment Operate the shifting lever several times to move the chain to the 2nd sprocket. Then, while pressing the lever just enough to take up the play in the lever, turn the crank arm. Play Chain position Largest sprocket Largest chainring Link stop When shifting to 3rd When no sound at all is heard Connect the inner cable to the derailleur as shown in the illustration. adjustment barrel RD-TX70 RD-TX50 adjustment barrel RD-TX70 RD-TX50 RD-TX30 RD-TX30 Inner cable Tighten the outer cable adjusting barrel until the chain returns to the 2nd sprocket. [. . . ] Phone: +1-949-951-5003 Industrieweg 24, 8071 CT Nunspeet, The Netherlands Phone: +31-341-272222 3-77 Oimatsu-cho, Sakai, Osaka 590-8577, Japan Please note: specifications are subject to change for improvement without notice. [. . . ]