Disassembly
1.
engine before coupling can be serviced (see Pump As-
sembly in Chapter 4 -- Hydraulic Systems).
Hydraulicpumpassemblyneedstoberemovedfrom
4
3
2
2.
and coupling spacer from engine using Figure 18 as a
guide.
Removepumpadapterplate,springcentercoupling,
Assembly
2
1.
Position coupling spacer to engine and align mount-
3
4
ingholes.Usetwoshoulderboltsandlockwashersinthe
positions shown in Figure 19 to secure the spacer to the
half threaded holes in engine flywheel. Torque shoulder
bolts from 17 to 21 ft--lb (23 to 28 N--m).
1
2.
spacer and flywheel. Torque cap screws from 17 to 21
ft--lb (23 to 28 N--m).
Install four cap screws and lockwashers to coupling
Figure 19
1.
2.
Coupling spacer
3.
Cap screw position
Dowel position
Shoulder bolt position
4.
3.
Place dowels in locating holes of coupling spacer
(Fig. 19).
4.
Position spring center coupling (coil springs toward
Hydraulic
Pump Side
Engine Side
engine (Fig. 20)) over dowels. Secure coupling to cou-
pling spacer with cap screws and lockwashers. Torque
cap screws from 35 to 43 ft--lb (48 to 58 N--m).
5.
Install plate pins into engine casting. Position pump
adapter plate to engine using plate pins as alignment
points. Secure adaptor plate with cap screws and lock
washers using a star pattern tightening procedure.
Spring Center
Coupling
Figure 20
Groundsmaster 4500--D/4700--D
Page 3 -- 17
Kubota Diesel Engine (Rev. A)
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