Check the main and auxiliary shaft combination as
follows:
1. Check whether the gears of main and countershaft
assembly have excessive or abnormal wear;
2. Check whether the retainers between gears are
deformed or falling off.
Inspection of starting shaft
Check the starting shaft as follows:
1. Check whether the starting ratchet, starting gear and
starting shaft of the starting shaft are excessively or
abnormally worn;
2. Check whether the ring is deformed and falls off;
3. Check whether the gasket is deformed or missing.
Assembly of variable speed drum
The assembly steps of the speed drum are as follows:
1. Insert the fork into the speed shifting drum;
2. Install the fork pin;
3. Clamp the spring clip.
Installation of variable speed drum, main and
auxiliary shaft, crankshaft and starting shaft
The installation steps of speed drum, main and auxiliary
shaft, crankshaft and starting shaft are as follows:
1. Install the crankshaft and starting shaft into the
corresponding holes in the left body, and install gaskets
after installing the starting shaft;
2. After the main shaft and auxiliary shaft are combined,
clamp the shifting fork of the variable speed drum into
the fork groove of the main and auxiliary shaft, and then
assemble the main and auxiliary shaft assembly and the
shifting drum into the corresponding holes in the left
body.
Note:
1. The shift fork of the speed drum is installed in the
main and auxiliary shaft positions.
2. Do not install gaskets of starting shaft and auxiliary
shaft.
Installation of crankcase
