Troubleshooting - Weed Eater B1750 Instruction Manual

FUEL SYSTEM
Under FUELING ENGINE in the OPERA-
TION section of this manual, see message la-
beled IMPORTANT regarding the use of ga-
sohol in your engine.
Fuel staWizer is an acceptable alternative in
minimizing the formation of fuel gum deposits
during storage. Add stabilizer to gasoline in fuel
tank or fuel storage container. Follow the mix
instructions found on stabilizer container. Run
engine at least 5 minutes after adding stabilizer.
HELPFUL
I
During storage of your gae/ I
_I_ oil mixture, the oil wil! sepa- I
_,i\ rate from the gas. [
m_] We recommend that you I
_ shake the gas can weekly
_ to insure proper blending of
the gas and oi!.
ENGINE
• Remove 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.
•Reptace spark plug with new one of recom-
mended type and heat range.
• Clean air filter.
• Check entire unit for loose screws, nuts.
and bolts. Replace any damaged, broken.
or worn parts.
• At the beginning of the next season, use
only fresh fuel having the proper gasoline to
oil ratio.
OTHER
• Do not store gasoline from one season to
another.
• Replace your gasoline can if it starts to rust.
TROUBLESHOOTING TABLE
A_,WA R NIN G:
Always stop unit and disconnect spark ptug before performing any of the
recommended remedies below other than remedies that require operation of the unit.
TROUBLE CAUSE REMEDY
Engine will not 1. Engine flooded. 1. See "Starting a Flooded Engine"
start, in Operation section.
2. Fuel tank empty. 2. Fill tank with correct fuel mixture.
3. Spark plug not firing. 3. Install new spark plug.
4. Fuel not reaching 4. Check for dirty fuel filter; replace.
carburetor. Check for kinked or split fuel line;
repair or replace.
5. Compression low. 5. Contact an authorized service dealer.
Engine will not 1. Fuel not reaching 1. Check for dirty fuel filter; reptace.
idle properly, carburetor. Check for kinked or spilt fuel line;
repair or replace.
2. Carburetor requires 2. Contact an authorized service dealer.
adjustment.
3. Crankshaft seals worn. 3.
4. Compression low. 4.
1. Air filter dirty. 1.
2. Fuel not reaching 2.
carburetor.
Engine will not
accelerate,
lacks power, or
dies under a
load.
Engine smokes
excessively.
Engine runs hot.
3. Spark plug fouled.
4. Carburetor requires
adjustment.
5. Carbon build up.
6. Compression low.
1. Choke partially on.
2. Fuel mixture incorrect.
3. Air filter dirty.
4. Carburetor requires
adjustment.
1. Fuel mixture incorrect.
2. Spark plug incorrect.
3. Carburetor requires
adjustment.
4. Carbon build up.
3,
4.
Contact an authorized service dealer
Contact an authorized service dealer.
Clean or replace air filter.
Check for dirty fuel filter; replace.
Check for kinked or split fuel line;
repair or replace.
Ctean or reptace spark plug
and re-gap.
Contact an authorized service dealer.
5. Contact an authorized service dealer.
6. Contact an authorized service dealer.
1. Adjust choke.
2. Empty fuel tank and refill with
correct fuel mixture.
3. Ctean or replace air filter.
4. Contact an authorized service dealer.
1. See "Fueling Engine" in Operation
section.
2. Replace with correct spark plug.
3. Contact an authorized service dealer.
4. Contact an authorized service dealer.
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