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.
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