Coupler Removal (Fig. 14)
NOTE: The hydraulic pump assembly needs to be re-
moved from engine before coupler can be removed.
Engine Side
Hydraulic
Pump Side
1.
If engine is in machine, remove hydraulic pump as-
1
sembly(seePiston(Traction)PumpRemovalintheSer-
vice and Repairs section of Chapter 4 -- Hydraulic
System).
2.
Remove flywheel plate and spring coupler from en-
gine using Figure 14 as a guide.
Coupler Installation (Fig. 14)
1.
mounting holes. Make sure that coupling hub is away
from engine flywheel (Fig. 15).
Position spring coupler to engine flywheel and align
2
3
2.
Apply Loctite #242 (or equivalent) to threads of cap
screws (item 6). Secure coupler to flywheel with six (6)
cap screws and hardened washers. Torque cap screws
in a crossing pattern from 29 to 33 ft--lb (40 to 44 N--m).
Figure 15
1.
2.
Coupler
Coupler hub
3.
Engine flywheel
3.
Position flywheel plate to engine. Make sure that
boss on plate is orientated down. Secure flywheel plate
with cap screws (item 7) and hardened washers using
a crossing pattern tightening procedure.
4.
If engine is in machine, install hydraulic pump as-
sembly (see Piston (Traction) Pump Installation in the
Service and Repairs section of Chapter 4 -- Hydraulic
System).
Groundsmaster 4500--D/4700--D
Page 3 -- 17
Kubota Diesel Engine
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