Toro Groundsmaster 4100-D Service Manual page 37

Coupler Removal (Fig. 17)
NOTE: The hydraulic pump assembly needs to be re-
moved from engine before coupler can be removed.
1. If engine is in machine, support engine from below to
prevent it from shifting. Remove hydraulic pump assem-
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)
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)
cap screws and washers. Torque cap screws in a cross-
ing pattern from 29 to 33 ft- -lb (40 to 44 N- -m).
3. Position flywheel plate to engine and engine mounts.
Apply Loctite #242 (or equivalent) to threads of cap
screws (items 5 and 7). Secure flywheel plate and
mounts with cap screws (items 5 and 7) and washers us-
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
Engine Side
1. Spring coupler
2. Engine flywheel
Page 3 - - 19
Hydraulic
Pump Side
1
3
2
Figure 18
3. Coupler hub
Kubota Diesel Engine