Checking and adjusting blow-by clear- ance of piston rod Adjusting blow-by clearance at piston rod Checking blow-by clearance of piston rod 2 1 A 3 R22340010 R22340020 • Set the adjusting screw of the footbrake lever to distance A. • Press the footbrake lever. • Insert feeler gauge at right angles to direction of travel between the brake-light switch lever (3) and the stop on the footrest plate (arrow). • Slowly release the footbrake lever and check play. Distance A: ....
13.6 +/- 0.5 mm (0.5354+/-0.1969 in) (Top edge of footbrake lever to top edge of adjusting screw.) • Insert feeler gauge at right angles to direction of travel between the brake-light switch lever and the stop on the footrest plate (arrow). Play must be perceptible Feeler gauge thickness: ........ 0.15 mm (0.0059 in) Feeler gauge thickness: .......... 0.2 mm (0.0078 in) • Slacken locknut (1). • Turn piston rod (2) clockwise toward the foot- brake lever to obtain play. • Carefully back off piston rod to take up play and tighten locknut. • Remove the feeler gauge. • Recheck play. • Apply coloured sealing lacquer to the locknut. No play perceptible Feeler gauge thickness: ........
0.35 mm (0.0137 in) 34.12