GEAR BOX 6450 17 3.0 OVERHAULING: 3.1 INFORMATION FOR OVERHAULING: A. COMPONENT INDENTIFICATION: NOTE: Identification of components, which can be assembled incorrectly due to their similar constructions are mentioned below ENGAGING GEARS: All engaging gear should be free from play. 1. 1st / 2nd ENGAGING GEAR: This engaging gear is having symmetrical shank on both faces. 2. 3rd / 4th ENGAGING GEAR: This engaging gear is having asymmetrical shank on its faces. Depth of the shank on the third gear side is more. 3. 5th / 6TH ENGAGING GEAR: This engaging gear is having symmetrical shank on both faces. SYNCHRO CONES: Synchro cone pack contains outer cone, inner cone and intermediate cone. There are two types of synchro cones. A. Double synchro cone B. Triple synchro cone Difference between double and triple synchro cone. Double Synchro Cone Triple synchro cone Outer Cone having brass lining on inner surface. Outer Cone having carbon lining on inner surface. Inner cone having brass lining only on outer surface. Inner cone having brass lining on both inner and outer surface. Used in the 3rd, 4th, 5th, 6th and reverse gear assembly. Used in 1st and 2nd gear assembly only. NOTE: A care need to be taken for a double synchro cone components should not be mixed with triple synchro cone components during dismantling and assembly.
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