HEXA

749 / 1906

GEAR BOX
44
7. Similarly press out the constant mesh over drive
gear from the counter shaft.
INSPECTION
Following points should be checked before starting
to assemble the counter shaft:
 Gear teeth for breakage, wear, pitting, scoring
and overheating marks.
 Bearing seats for rotation marks.
 Splines for breakage, burrs and wear on sides.
ASSEMBLY
SR. NO. COMPONENT DESCRIPTION
1 Taper roller bearing
2 Spacer
3 Circlip
4 4th gear (Counter shaft)
5 3rd gear (Counter shaft)
6 Counter shaft
7 Over drive gear
1. Heat the constant mesh and 3rd gear to 100°C–
120°C and press over counter shaft with proper
support in such a way that bigger gear i.e. 4th is
facing upward and fit the circlip.
2. In the same way fit 5th gear over other side such
that longer boss is facing upwards. Ensure proper
abutment of gear on the counter shaft.