Toro Greensmaster Flex 21 Service Manual page 28

Engine Installation
1. Position machine on a level surface. The machine
may be placed on a large work bench to make engine
installation and adjustment easier. Remove high tension
lead from the spark plug.
2. Make sure that all parts removed from the engine
during maintenance or rebuilding are properly rein-
stalled to the engine.
3. Reinstall engine to engine base (Fig. 13 and 16):
A. Make sure that setscrews are secure in engine
crankcase cover flange. If setscrews were removed
for any reason, they should have thread locking com-
pound applied to threads and be tightened securely.
B. Install new flange gasket to setscrews on crank-
case cover flange.
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 four flange nuts that secure gearbox as-
sembly to setscrews on engine crankcase cover
flange.
F. Install four cap screws and flat washers through
the engine and engine base. Put flange nut on each
cap screw and hand tighten.
G. Tighten flange nuts that secure gearbox assem-
bly to engine, then tighten flange nuts that secure en-
gine to engine base.
4. Connect electrical connections to engine (Fig. 15):
A. Connect engine stop switch and armature wires
to wiring harness bullet connectors.
B. Install cap screw and lock washer to connect
ground wire to engine.
C. Connect wiring harness to interlock module.
5. Reconnect and adjust throttle cable (See Throttle
Cable Adjustment). Make sure that throttle cable clamp
is correctly positioned on engine base (Fig. 17).
6. Refill transmission to proper fluid level (See Check
Gearbox Fluid in the General Information section of
Chapter 4 – Traction and Reel Drive Systems).
7. Check and adjust engine oil level as needed (See
Checking Engine Oil Level).
Engine
8. Open fuel shut–off valve and attach high tension lead
to the spark plug before starting engine.
1. Throttle cable clamp
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2
1
Figure 17
2. Engine mounting screws
Greensmaster Flex 21