Coupler Removal (Fig. 17)
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, support engine from below to
1
preventitfromshifting. Removehydraulic pumpassem-
bly (see Piston (Traction) Pump Removal in the Service
and Repairs section of Chapter 4 -- Hydraulic System).
2.
Remove flywheel plate and spring coupler from en-
gine using Figure 17 as a guide.
Coupler Installation (Fig. 17)
3
1.
mounting holes. Make sure that coupler hub is away
from engine flywheel (Fig. 18).
Position spring coupler to engine flywheel and align
2
2.
Apply Loctite #242 (or equivalent) to threads of cap
screws (item 3). Secure coupler to flywheel with six (6)
cap screws and washers. Torque cap screws in a cross-
ing pattern from 29 to 33 ft--lb (40 to 44 N--m).
Figure 18
1.
2.
Spring coupler
Engine flywheel
3.
Coupler hub
3.
Positionflywheelplatetoengineandenginemounts.
Apply Loctite #242 (or equivalent) to threads of cap
screws (items 5 and 7). Secure flywheel plate and
mountswithcapscrews(items5and7)andwashersus-
ing a crossing pattern tightening procedure. Torque cap
screws in a crossing pattern from 28 to 32 ft--lb (38 to
43
N--m).
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 4100--D/4110--D
Page 3 -- 19
Kubota Diesel Engine
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