If an intermediate gear is introduced between the driving gear and the driven gear, the rotation of the driven gear will be reversed.
The transmission consists of a housing, an input shaft and gear,an output and gear, an idler shaft, a reverse gear ,a cluster of gears and a gear shift mechanism(Fig.20).
The cast iron housing has upper and side covers and bores for the installation of shafts. The bottom and side walls are provided with holes filling and draining oil.
The input shaft is made of steel integral with the driving gear and the rim .The front end of the input shaft is installed on the bearing in the bore of the crankshaft, while the rear end rotates in the bore of the front wall of housing. The input shaft is arranged so that only the driving gear and the rim are accommodated inside the housing while the splined portion of the shaft protruding from the transmission housing wall .The output shaft splines carry the sliding gears .The output shaft is coaxial with the input shaft.
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