Groundsmaster 4100--D/4110--D Page 3 -- 19 Kubota Diesel Engine
Coupler Removal (Fig. 17)
NOTE: The hydraulic pump assembly needs to be re-
moved from engine before coupler can be removed.
1. Ifengineisinmachine,supportenginefrombelowto
preventitfromshifting.Removehydraulicpumpassem-
bly(seePiston(Traction)Pump Removalinthe 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)
1. Position spring coupler to engine flywheel and align
mounting holes. Make sure that coupler hub is away
from engine flywheel (Fig. 18).
2. Apply Loctite #242 (or equivalent) to threads of cap
screws (item 3). Secure coupler to flywheel with six (6)
capscrewsandwashers.Torquecapscrewsinacross-
ing pattern from 29 to 33 ft--lb (40 to 44 N--m).
3. Positionflywheelplatetoengineandenginemounts.
Apply Loctite #242 (or equivalent) to threads of cap
screws (items 5 and 7). Secure flywheel plate and
mountswithcapscrews(items5and7)andwashersus-
ingacrossing pattern tightening procedure.Torquecap
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).
Figure 18
1. Spring coupler
2. Engine flywheel
3. Coupler hub
Engine Side Hydraulic
Pump Side
1
2
3
Kubota
Diesel Engine