Engine Installation - Toro Greensmaster TriFlex 3320/3420 Service Manual

Engine Installation (Fig. 9)
1. Make sure that all removed engine components are
correctly installed to the engine.
2. If exhaust system components were removed from
engine, attach removed components using Figure 9 as
a guide.
3. If the coupling and generator pulley were removed
from the engine crankshaft:
A. Position square key (item 19) to crankshaft. Ap-
ply antiseize lubricant to engine crankshaft and key.
B. Slide pulley and coupling assembly fully onto
crankshaft.
C. Apply Loctite #242 (or equivalent) to two (2)
square head screws (item 21). Secure pulley to
crankshaft with square head screws. Torque screws
from 90 to 110 in- -lb (10.2 to 12.4 N- -m).
IMPORTANT: Make sure to not damage the engine,
fuel hose, hydraulic hoses, electrical harness, con-
trol cables or other parts while installing the engine.
4. Position and support engine so that the coupling/
generator pulley assembly is aligned with the pump
coupling (Fig. 12).
5. While supporting the engine to maintain alignment,
carefully move the engine toward the pump mount to
slide the engine coupling/pulley onto the pump coupling.
Route generator belt to pulley as engine is being moved
into place. Once the engine contacts the pump mount,
align mounting holes and secure engine to pump mount
with four (4) cap screws (item 13). Torque cap screws
from 25 to 38 ft- -lb (34 to 51 N- -m).
Gasoline Engine
6. Position generator belt to the generator pulley at-
tached to engine crankshaft and tension the belt (see
Generator Belt (Greensmaster 3320) in the Service and
Repairs section of Chapter 6 -- Electrical System).
7. Secure wire harness ground connector to engine as-
sembly with cap screw (item 5), flat washer (item 22),
lock washer (item 20) and flange nut (item 6) (location
shown in Fig. 11). Make sure that lock washer is posi-
tioned between ground connector and engine flange to
ensure ground connection to engine.
8. Connect all wire harness connectors to correct en-
gine components.
9. Connect and adjust the choke control cable (see Ad-
justing the Choke Control in the Adjustments section of
this chapter).
10.Connect and adjust the throttle control cable (see
Adjusting the Throttle Control in the Adjustments sec-
tion of this chapter).
11. Connect fuel hoses to the fuel filter outlet and check
valve near rear engine cylinder head (Fig. 10). Secure
hoses with hose clamps.
12.Connect battery cables to battery. Connect positive
battery cable first and negative cable last.
13.Open fuel tank shut--off valve and check fuel hose for
leaks.
14.Check engine oil level and adjust if necessary.
15.Start the engine and check for proper operation.
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