HEXA
GEAR BOX 14 4.2.3 OVERHAULING 4.2.3.1 INFORMATION FOR OVERHAULING A. COMPONENT INDENTIFICATION NOTE Only identification of components which can be as- sembled incorrectly due to their similar constructions is mentioned below ENGAGING GEARS All engaging gear should be free from play. 1. 1 st /2 nd ENGAGING GEAR This engaging gear is having symmetrical shank on both faces. 2. 3 rd /4 th ENGAGING GEAR This engaging gear has shank only on 3 rd gear side. NOTE Dimension between drive shaft synchronizing face to 3 rd /4 th engaging gear front face 11+0.1 5 th /REVERSE ENGAGING GEAR This engaging gear is having asymmetrical shank its faces. The depth of the shank on the reverse gear side is more. SYNCHRO CONES 1. 1 st /2 nd GEAR SYNCHRO CONE This is the double synchro cone. This is used for gradual gear engagement and this avoids gear clashing. DOUBLE SYNCHRO CONE ASSEMBLY PROCE- DURE First place the 1st and 2nd speed gear over the main shaft. Then place inner synchro cone properly so that its seat matches with the gear. Then fix the intermediate cone by properly align- ing the 3 plugs. Then fix the outer synchro cone.
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