User manual SHIMANO EW-7974 ASSEMBLY

[. . . ] SI-7E30A-004-00 Technical Service Instructions SI-7E30A-004 Routing Map Names and locations of each part Junction A Left lever EW-7973 / EW-7974 Electric Cables (Internal Specifications) Front derailleur Bottle cage When the shifting switch is operated, the motor which drives the front derailleur will operate without stopping at the shifting lever position. Always be sure to remove the battery before carrying out installation and adjustment, otherwise your fingers may become stuck. Routing the cables inside the frame Pass the cables through the hole in the frame, and route it inside the frame as shown in the illustration. For front derailleur Connection of the electric cables First, pass the cables for the junction, front derailleur and rear derailleur through the hole in the frame. WARNING · When the shifting switch is operated, the motor which drives the front derailleur will operate without stopping at the shifting lever position. [. . . ] Insert the connectors so that the triangular marks (d) on the connectors and the derailleur terminals are aligned with each other. Because of the waterproof structure of the connectors and terminals, they do not fit together rigidly. Be sure to push them together until they connect with a click. Front derailleur cable Installation of the battery bracket Install the battery bracket. Use M4 bolts to provisionally install it to the special brazed-on washers. M4 bolts Heat shrinking tube Components (Small) EW-7973 Battery bracket (short) For rear derailleur For front derailleur Junction B Junction cable Leave a space of 108 mm or more at the end of the battery bracket. Check that the battery can be inserted and removed while the bottle cage is installed. Secure the battery bracket with using 2. 5mm allen key. 2. 5 mm Allen key Brazed-on washers Junction B <Removal of the connectors> Junction cable Rear derailleur cable Front derailleur cable Accessories · M5 bolt : L = 10. 5 mm x 1, L = 15 mm x 1 · Heat shrinking tubes : Large x 1, Small x 2 · M4 bolt x 2 · TL-EW01 x 1 · Grommets x 2 Tightening torque: 1. 2 - 1. 5 N·m {10. 4 - 13 in. lbs. } (Large) Routing of the electric cables Rear derailleur cable Once the electric cable has been routed, secure junction (B) to the bottom of the bottom bracket shell with a bolt (length 10. 5 mm or 15 mm). EW-7974 <Battery installation and removal> Battery bracket (short) Open the clamp, and then install the battery so that it follows the groove in the battery bracket. Close the clamp until it clicks into place. (Small) Tightening torque: 1. 5 - 2. 0 N·m {13 - 18 in. lbs. } Junction B Junction cable Installation of the grommet Attach a grommet to the cables at a suitable position, insert the rear part of the grommet into the hole in the frame, and then push the front part of the grommet to set it into place. Attaching the heat shrinking tubes Accessories · · · · · M5 bolt : L = 10. 5 mm x 1, L = 15 mm x 1 M4 bolt x 2 · TL-EW01 x 1 Heat shrinking tubes : Large x 1, Small x 1 Grommets x 4 Cable cover (For front derailleur) x 1 Open the clamp, pull out the battery slightly, and then press the button to fully remove the battery. Use an industrial-use dryer to shrink the tubes from the middles toward the ends, while trying to expel as much air as possible. [. . . ] · Because the tubes contain adhesive, do not reuse the electric cables after this process has been carried out. Use new cables if carrying out any replacements. Closed Open At rear derailleur At front derailleur [. . . ]