Stow manual PORTO-SCREED PSH Troubleshooting Engine

PORTO-SCREED PSH — TROUBLESHOOTING (ENGINE)

TABLE 4. TROUBLESHOOTING (ENGINE)

SYMPTOM	POSSIBLE CAUSE	SOLUTION
	Spark plug bridging?	Check gap, insulation or
		replace spark plug.
Difficult to start, "fuel is available, but no	Carbon deposit on spark plug?	Clean or replace spark plug.
SPARK at spark plug".	Short circuit due to deficient spark plug	Check spark plug insulation,
	insulation?	replace if worn.
	Improper spark plug gap?	Set to proper gap.
	ON/OFF switch is shorted?	Check switch wiring, replace
		switch.
	Ignition coil defective?	Replace ignition coil.
Difficult to start, "fuel is available, and	Improper spark gap, points dirty?	Set correct spark gap and
		clean points.
SPARK is present at the spark plug".
	Condenser insulation worn or short	Replace condenser.
	circuiting?
	Spark plug wire broken or short circuiting?	Replace defective spark plug
		wiring.
	Wrong fuel type?	Flush fuel system, and replace
		with correct type of fuel.
	Water or dust in fuel system?	Flush fuel system.
Difficult to start, "fuel is available, spark
	Air cleaner dirty?	Replace air cleaner.
is present and compression is normal".
	Choke Open? (Engine cold)	Close Choke.
	Choke Closed? (Engine warm)	Open Choke.
	Suction/exhaust valve stuck or protruded?	Re-seat valves.
	Piston ring and/or cylinder worn?	Replace piston rings and or
		piston.
Difficult to start, "fuel is available, spark
is present and compression is low".	Cylinder head and/or spark plug not	Torque cylinder head bolts and
	tightened properly?	spark plug.
	Head gasket and/or spark plug gasket	Replace head and spark plug
	damaged?	gaskets.
	Fuel not available in fuel tank?	Fill with correct type of fuel.
	Fuel filter clogged?	Replace fuel filter.
No fuel present inside priming bulb.
	Fuel tank cap breather hole clogged?	Clean or replace fuel tank cap.
	Air in fuel line?	Bleed fuel line.

PAGE 20 — STOW PORTO-SCREED — OPERATION & PARTS MANUAL — REV. #1 (01/20/04)