Disassemble spring clamp loop on output shaft liking that
shown in figure.
Take down forth and fifth gear wheel with pressure machine.
Note: hold the lower end of shaft to prevent it falling.
Move first and second gear to first gear.
Disassemble third gear with pressure machine, and hold the
lower end of shaft to prevent it falling, at this time, disassemble
roller bearing, synchronous loop and second gear.
Disassemble clip spring with clamp spring pliers, and do not
hurt bearing surface of shaft.
Transmission—Disassemble assembly 177