Removal(Figure136)(continued)
g308937
Figure137
1.Hydraulictube
10.Locknut(2used)
2.Hydraulictube11.Fanmotor
3.Hydraulictube
12.Fanmotorbracket
4.Hexnut
13.O-ring
5.Flatwasher
14.Hydraulictting
6.Fanhub
15.O-ring
7.Woodruffkey16.O-ring
8.Capscrew(2used)17.Hydraulictting
9.Flatwasher(2used)18.O-ring
7.Removefanmotorfrombracket(Figure137):
A.Disconnecthydraulictubes(items1,2and3)fromfanmotorttings.
Labelhydraulictubesforproperassembly.
B.Removehexnut(item4)andwasher(item5)thatsecurefanhubtofan
motor.Usesuitablepullertocarefullyremovefanhubfromfanmotor
shaft.Locateandretrievewoodruffkey(item7).
C.Removetwo(2)capscrews(item8),atwashers(item9)andlock
nuts(item10)thatsecurefanmotortofanmotorbracket.Removefan
motorfrombracket.
D.Ifnecessary,removehydraulicttingsfromfanmotoranddiscardO-rings.
Installation(Figure136)
1.Ifttingswereremovedfromfanmotor,lubricateandplacenewO-ringsonto
ttings.Installttingsintoportopenings.Tightenttings(seeInstallingthe
HydraulicFittings(SAEStraightThreadO-RingFittings)(page5–9)).
2.Securefanmotortobracket(Figure137):
A.Positionfanmotortofanmotorbracketandsecurewithtwo(2)cap
screws(item8),atwashers(item9)andlocknuts(item10).
B.Thoroughlycleantaperedsurfacesoffanmotorshaftandfanhub.Place
woodruffkey(item7)inslotinmotorshaft.
Groundsmaster
®
4500-D/4700-D
Page5–149
HydraulicSystem:ServiceandRepairs
19245SLRevA