Service Manual

1-17 GENERAL INFORMATION
TUNE-UP PROCEDURE
A "Tune-Up"
(see
the steps below) would normal-
ly
be performed on relatively new engines brought
in for minor difficulties. By performing these
steps you will either be sure the engine
is
func-
tion properly or will know if and what major
repairs should be performed.
The steps are
also
covered in the OVERHAUL
PROCEDURE and will normally be performed
as
a
part of the complete overhall.
Remove fuel tank, clean tank and
lines.
Check oil
level
and drain.
Remove air cleaner, check for proper
servicing.
Remove recoil starter, flywheel housing,
and shrouds.
Inspect rope, recoil starter assembly or
pinion clutch (electric starter).
Clean cooling fins and entire engine.
Rock flywheel to check compression.
Remove carb., disassemble and inspect
for wear or damage. Wash in solvent,
replace parts
as
necessary and assemble.
Set
initial adjustment.
Inspect inlet and exhaust flange for dam-
aged gaskets.
Check governor linkage, spring, and speed
control lever for damage or wear, also
check adjustment.
Remove flywheel, check for
seal
leakage,
both flywheel and PTO shaft sides.
Check flywheel key for damage.
Check coil and control unit, inspect
all
wires for breaks damaged insulation.
Be
sure lead wires do not touch flywheel.
Check stop switch and lead.
Install flywheel.
Set
air gap. Check for
spark.
Remove cyl. head, check gasket, remove
spark plug, and clean carbon, inspect
valves
for seating.
Install cyl. head, torque to the specified
torque,
set
spark plug gap or replace
the plug if necessary.
Replace oil and fuel, check muffler for
restrictions or damage.
Adjust speed control linkage and cable
if used, for correct operation.
Run and adjust idle (mixture), and MAX
speed.
OVERHAUL PROCEDURE
The following overhaul procedure
is
intended to
help you in systematic and sequential method of
repairing
a
Kawasaki FB46OV engine. Efficiency
is
obtained when the repair operations are performed
in the same sequence every time. The exact
procedure will vary according to the engine model
being repaired.
This table can also be used
as
an index.
For detail information on how to perform each
operation refer to the section and page number
listed.
DISASSEMBLY
Drain engine oil
Air cleaner assy
Muffler ass'y
Carburetor, heat shield plate and
gas-
ket. Intake
pipe.
__
Carburetor and linkage.
Disassemble carburetor.
I_______-
Electric starter
Recoil starter
Dip stick and blower housing
Spin flywheel to check compression
Spark plug-adjust
gap,
inspect.
clean
and
I
Rope starter pulley.
Adjust armature air gap.
Tappet chamber cover and
pipe
connector
Cylinder head and gasket
Check valve-to- tappet clearance
valve
and spring.
Flywheel
Breather
_-
Ignition coil and control unit
Starter motor disassembly
Recoil starter disassembly
Governor control base plate and
governor arm
Crankcase cover
Damaged
oil
seal
Damaged governor gear ass'y
Oil
pump and relief
valve
Camshaft and gear
Tappets
Con-rod and piston
Balance weight support shaft
Crankshaft and balance weight
ass'y
Disassemble crankshaft ass'y
I