PumpAdaptorPlate
g307828
Figure22
1.Flywheelplate
4.Capscrew(8used)
7.Engineassembly
2.Hardenedwasher(8used)5.Capscrewwithpatchlock(8used)
3.Springcoupler6.Hardenedwasher(8used)
CouplerRemoval(Figure22)
Note:Thehydraulicpumpassemblyneedstoberemovedfromenginebefore
couplercanberemoved.
1.Ifengineisinmachine,removehydraulicpumpassembly(seePiston
(Traction)Pump(page5–103)).
2.RemoveywheelplateandspringcouplerfromengineusingFigure22as
aguide.
Groundsmaster
®
4500-D/4700-D
Page4–25
YanmarDieselEngine:ServiceandRepairs
19245SLRevA