Branson F42h - Range Shift

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CHAPTER 4 TRANSMISSION 3015R(h)/3515R(h)/4015R(h)/F36R(h)/F42R(h) TRACTOR
2.3 RANGE SHIFT
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Therotatingpowertransferredthroughthemainshiftdrivenshaft(1)isdeliveredtotherangeshiftdriveshaft
(2)bytherangeshiftdriveshaft's52Tgearwhichisengagedandrotatedwiththe18Tgearofthemainshift
drivenshaft.Asthe18Tgearoftherangeshiftdriveshaftisengagedwiththe52Tgear(4)ofthebevelpinion
countershaft(3),the52Tgearisturnedconstantly.
Also, the connection of the main shift driven shaft and counter shaft does not transfer power due to the
internalneedlebearing,butidlesonly.
Toselecttherangeshift1stgear(lowspeed),the2ndgear(5)oftherangeshiftdrivengearispushedtothe
righttobeengagedwiththe52Tgear(4).Then,therotatingforcereducedatthereductionratiobythe18T
gearand52Tgearoftherangeshiftdriveshaftpassesthroughtherangeshiftdrivengear's2ndgeartobe
deliveredtothecountershaft.
Toselecttherangeshift2ndgear(midspeed),the2ndgearoftherangeshiftdrivengearisengagedwiththe
34Tgearoftherangeshiftdriveshaft.Then,therotatingforceoftherangeshiftdriveshaftisdeliveredtothe
countershaftafteritisreducedatthereductionratiobythe34Tand36Tgears.
Also,toselect the range shift 3rdgear(highspeed),the2nd gear of the range shift drivengear is pushed
tothelefttobeengagedwiththesplinesattheendofthemainshiftdrivenshaft.Then,therotatingpower
deliveredtothemainshiftdrivenshaftissuppliedtothecountershaftwithoutanyreduction.
MEC. MODEL