Toro Groundsmaster 4000-D Service Manual page 33

Coupler Removal (Fig. 16)
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
prevent it from shifting while removing hydraulic pump
assembly (see Piston (Traction) Pump Removal in the
Service and Repairs section of Chapter 4 -- Hydraulic
System), transport cylinder assembly, flywheel plate,
engine mounts and spring coupler.
2. Remove flywheel plate and spring coupler from en-
gine using Figure 16 as a guide.
Coupler Installation (Fig. 16)
1. Position spring coupler to engine flywheel and align
mounting holes. Make sure that coupling hub is away
2
from engine flywheel (Fig. 17).
2. Apply Loctite #242 (or equivalent) to threads of cap
Figure 17
screws (item 3). Secure coupler to flywheel with six (6)
1. Coupler 2. Engine flywheel
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. Install transport cylinder assembly to engine mount.
5. 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 Page 3 - - 17 Kubota Diesel Engine