McCulloch 115145929, M DAHT25, 952715737 Troubleshooting Table, Engine, Other, Cause, Remedy

To oil the blade, do the following:

SStop the engine and allow blade to come to

a complete stop.

SEnsure ON/OFF switch is in the OFF posi-

tion.

SDisconnect the spark plug wire.

SApply a light machine oil along the edge of the top strap as shown.

OIL

Top Strap

TROUBLESHOOTING TABLE

ENGINE

SRemove spark plug and pour 1 teaspoon of 40:1, 2-cycle engine oil (air cooled) through the spark plug opening. Slowly pull the

starter rope 8 to 10 times to distribute oil.

SReplace spark plug with new one of recom-

mended type and heat range (see RE- PLACE SPARK PLUG section).

SClean air filter.

S Check entire unit for loose screws, nuts, and bolts. Replace any damaged, broken, or worn parts.

SAt the beginning of the next season, use only fresh fuel having the proper gasoline to oil ratio.

OTHER

S Do not store petrol from one season to another.

SReplace your petrol can if it starts to rust.

WARNING: Always stop unit and disconnect spark plug before performing all of the recommended remedies below except remedies that require operation of the unit.

TROUBLE	CAUSE		REMEDY
Engine will not	1.	ON/OFF switch in the	1.	Move ON/OFF switch to the ON
start.	2.	OFF position.	2.	position.
		Engine flooded.		See “Starting a Flooded Engine”
	3.	Fuel tank empty.		in Operation Section.
			3.	Fill tank with correct fuel mixture.
	4.	Spark plug not firing.	4.	Install new spark plug.
	5.	Fuel not reaching	5.	Check for dirty fuel filter; replace.
		carburetor.		Check for kinked or split fuel line;
	6.	Carburetor requires		repair or replace.
			6.	See “Carburetor Adjustment” in
		adjustment.		Service and Adjustments Section.
Engine will	1.	Carburetor requires	1. See “Carburetor Adjustment” in
not idle		adjustment.		Service and Adjustments Section.
properly.	2.	Crankshaft seals worn.	2. Contact an authorized service dealer.
	3.	Compression low.	3. Contact an authorized service dealer.
Engine will not	1. Air filter dirty.		1.	Clean or replace air filter.
accelerate,	2. Spark plug fouled.		2.	Clean or replace plug
lacks power,	3. Carburetor requires		3.	and regap.
or dies under				See “Carburetor Adjustment” in
		adjustment.		Service and Adjustments Section.
a load.
	4. Carbon build-up on		4.	Contact an authorized service dealer.
		muffler outlet screen.
	5. Compression low.		5.	Contact an authorized service dealer.
Engine	1. Choke partially on.		1. Adjust choke.
smokes	2. Fuel mixture incorrect.		2. Empty fuel tank and refill with
excessively.	3.	Air filter dirty.		correct fuel mixture.
			3. Clean or replace air filter.
	4. Carburetor requires		4. See “Carburetor Adjustment” in
		adjustment.		Service and Adjustments Section.
Engine runs	1. Fuel mixture incorrect.		1. See “Fueling Engine” in Operation
hot.	2. Spark plug incorrect.			section.
			2. Replace with correct spark plug.
	3. Carburetor requires		3. See “Carburetor Adjustment” in
		adjustment.		Service and Adjustments Section.

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