Toro Greensmaster
Flex 18 04018 Service Manual page 24

Engine Installation (Fig. 5)
1. Position machine on a level surface. Make sure that
spark plug wire is not connected to engine spark plug.
2. Make sure that all parts removed from the engine
during maintenance or rebuilding are properly installed
to the engine.
3. If engine gear was removed from crankshaft, posi-
tion square key in crankshaft keyway. Slide gear onto
crankshaft. Secure gear to crankshaft with cap screw,
lock washer and flat washer.
4. Install engine to engine base (Fig. 5 and 6):
A. Make sure that four (4) set screws are secure in
engine crankcase cover. If set screws were removed
from engine cover, apply Loctite #242 (or equivalent)
to set screw threads, install into engine cover and
tighten securely.
B. Install new flange gasket (item 2) to set screws on
crankcase cover.
C. Position engine on the engine base with the drive
gear towards the gearbox assembly.
D. Slide engine toward gearbox while guiding drive
gear into gearbox input area. Crankshaft may have
to be turned to mesh engine gear teeth with gearbox
input gears.
E. Install and finger tighten four (4) flange nuts that
secure gearbox assembly to set screws on engine
crankcase cover.
F. Install four (4) cap screws with flat washers
through the engine and engine base. Put flange nut
on each cap screw and hand tighten.
G. Fully tighten flange nuts that secure gearbox as-
sembly to engine and then tighten flange nuts that
secure engine to engine base.
Engine
5. Connect electrical connections to engine (Fig. 8):
A. Connect wire harness connectors to engine stop
switch and armature wires.
B. Secure ground wire to engine with cap screw and
lock washer.
C. Connect wire harness to interlock module.
6. Connect throttle cable to engine.
A. Position throttle cable to engine.
B. Slide throttle cable through throttle cable nut (Fig.
7).
C. Position three (3) washers and cable clamp to
frame (Fig. 6). Secure with cap screw and flange nut.
D. Adjust throttle cable (See Throttle Cable Adjust-
ment in the Adjustment section of this chapter).
Make sure that throttle cable screw is tightened after
cable adjustment.
7. Fill gearbox to proper fluid level.
8. Check and adjust engine oil level as needed.
9. Attach spark plug wire to the spark plug. Open fuel
shut–off valve.
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