31 GEAR BOX G-76 Fig. 65 17. IDENTIFICATIONPARAMETERS i. ENGAGINGGEARS The engaging gear of 1st / 2nd gear is having unsymmetrical shank. Engaging gear of 5th / reverse gear is having symmetrical shank. Engaging gear for 3rd/4th has symmetrical shank. Ref Fig. 65 Dimension between drive shaft synchronizing face to engaging gear 3rd - 4th front face: 11.1 + 0.1 All engaging gears should be free from play. Fig. 66 ii. SYNCHROCONES There are three types of synchro cones. 1st/ Reverse synchro cone is bigger in diameter and having slender dog teeth. 2nd/5th synchro cone is also bigger in diameter but having thicker dog teeth. 3rd/4th synchrocone is smaller in diameter and having depressions on minor diameter side face. Ref Fig. 66 Check for synchro cone gaps. It should be 1 + 0.3 mm.
RkJQdWJsaXNoZXIy MTIwNTUz