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40

GEAR BOX G-76

Select suitable snap ring, which will fit snugly.

Snap rings are available from 2.0 to 2.4 mm in the

step of 0.1 mm. Ref Fig. 86

Measure the dimensions for the selection of shims.

(As per procedure mentioned).

Shims (10/10a) are available in thickness of 0.05,

0.125, 0.240 & 0.5 mm.

Fig. 86

iii. SUBASSEMBLYOF COUNTER SHAFT

Heat the constant mesh 3rd /4th 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.

Fit circlip.

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.

Press inner race of taper roller bearing over counter

shaft 5th gear side end with help of drift,

Pt.No

. 2654

5890 26 06 and handle

Pt.No

. 2640 5890 35 11.

Place outer race over it.

Reverse the assembly, slide spacer and press another

taper roller bearing inner race. Place outer race over it.

Ref Fig. 87

Counter shaft Taper roller half bearing preloading by

0.03 to 0.06 mm.

iv. SUBASSEMBLY OF DRIVE SHAFT

Press inner race of taper roller bearing with the help of

drift

Pt.No

. 2654 5890 26 05 ref fig.88

Fit compression spring, spacer of required thickness,

thrust bearing and roller cage in drive shaft bore.

Select spacer thickness as per procedure given.

(Telco make) 0.07 to 0.10 mm end play to be

maintained only on drive shaft side.

Fig. 87

Fig. 88