Toro Groundsmaster
4000?D Service Manual page 33

PRELIMINARY – For Toro Distributor and Toro Company use only.
Coupler Removal (Fig. 15)
1. If engine is in machine:
A. The hydraulic pump assembly needs to be re-
moved from engine before coupler can be removed
(see Piston (Traction) Pump Removal in the Service
and Repairs section of Chapter 4 − Hydraulic Sys-
tem).
B. Support engine from below to prevent it from
shifting while removing flywheel plate, engine
mounts and spring coupler.
2. Remove flywheel plate and spring coupler from en-
gine using Figure 15 as a guide.
Coupler Installation (Fig. 15)
1. Position spring coupler to engine flywheel and align
mounting holes. Make sure that coupling hub is away
from engine flywheel (Fig. 16).
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.
Secure flywheel plate and mounts with cap screws
(items 5 and 7) and washers using 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 4000−D
Engine Side
1. Coupler
Page 3 − 17
Hydraulic
Pump Side
1
2
Figure 16
2. Engine flywheel
Kubota Diesel Engine