Engine Installation (Fig. 11)
Position machine on a level surface. Make sure that
spark plug wires are not connected to engine spark
plugs.
9. Make sure that tinnerman nuts (items 23 and 40) are
correctly positioned at frame brackets.
1.
10.Install muffler guard, belt guard and belt cover (see
Drive Belt Covers in the Service and Repairs section of
Chapter 6 -- Chassis). Make sure that fuel line is not
pinched between belt guard and machine frame.
2.
during maintenance or rebuilding are properly installed
to the engine.
Make sure that all parts removed from the engine
11.Plug engine electrical harness connector into ma-
chine wire harness (Fig. 13).
IMPORTANT: Make sure to not damage the engine,
fuel hoses, electrical harness or other parts while
installing the engine.
12.Connect positive cable and fusible link to starter mo-
tor (Fig. 13).
3.
4.
gine mounting holes and frame. Install flat washer and
lock nut on cap screws. Do not fully tighten lock nuts at
this time.
Carefully position engine on machine frame.
13.Connect wireharnessconnectortoignitionswitchon
engine.
Installcapscrewswithwashersthroughtheinneren-
14.Position wire harness under harness clamp on en-
gine and secure in place with screw (Fig. 13).
15.Remove
plug installed in fuel hose during engine re-
A. Make sure that negative battery cable, wire har-
ness ground wire and internal lock washer are
installed with the front, left corner screw (Fig 12).
moval process. Connect fuel hose to the fuel filter inlet
and secure with hose clamp (Fig 12).
IMPORTANT: Any leaks in the air filter system will
allow dirt into engine and will cause serious engine
damage. Make sure that all air cleaner components
are in good condition and are properly secured dur-
ing engine installation.
B. The rear, left corner screw should be installed up
through frame and engine. The other three (3)
screws should beinstalled downthrough engine and
frame.
5.
install clutch (see Centrifugal Clutch Installation in this
section).
If centrifugal clutch was removed from crankshaft,
16.If removed, install air cleaner assembly (see Air
Cleaner Installation in this section).
17.Check
and adjust engine oil level as needed.
cables to the battery terminals. Connect
6.
pulley. Make sure that belts are properly positioned in
driven pulley on jack shaft.
Install drive belts to centrifugal clutch and jack shaft
18.Connect
positive battery cable first and then the negative cable.
Tightennuts thatsecure battery cables from 10 to 15ft--
lb (14 to 20 N--m).
7.
Using a straight edge across the lower face of the
centrifugal clutch pulley, verify drive belt alignment
across clutch and jack shaft driven pulleys. Adjust posi-
tion of engine so that drive belt and straight edge are
aligned indicating correct position of engine. Once the
pulleys are aligned, fully tighten the engine mounting
fasteners. Torque fasteners from 270 to 330 in--lb (31
to 37 N--m).
19.Attach
spark plug wires to the spark plugs.
2
1
8.
Adjust drive belt idler pulley to achieve proper belt
tension (see Operator’s Manual).
IMPORTANT: After adjusting belt tension, check
that distance from idler pulley face to the faces of
the clutch drive pulley and jack shaft driven pulley
is correct (Fig. 14). This distance isnecessary to en-
sure that idler pulley is correctly aligned to drive
belts. If necessary, re--adjust positions of drive and
driven pulleys to allow correct distance (see Jack
Shaft Assembly in the Service and Repairs section
of Chapter 6 -- Chassis).
3
0.330”
Idler Face to Sheave Face
(8.4 mm)
FRONT
Figure 14
3.
1.
2.
Jack shaft
Centrifugal clutch
Idler pulley
Engine
Page 3 -- 14
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