Troubleshooting; Technical Service - Airstream A-HB-25150 Operator's Manual

Routine Maintenance
(Continued)
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B
Spark Plug:
Inspect the spark plug after every 10-15 hours of use; adjust spark plug gap and replace spark plug as necessary. Replace
spark plug every year to maintain engine performance and easy starting.
To inspect or replace the Spark Plug:
1. Remove the insulated spark plug boot.
2. Use the spark plug wrench to remove the Spark Plug, by
turning counter-clockwise.
3. Clean and adjust the spark plug gap to 0.024 – 0.028 in.
(0.6 - 0.7mm).
4. Replace any worn plug with a recommended
replacement (see PRODUCT SPECIFICATIONS. Clean
and adjust the spark plug gap to 0.024 – 0.028 in. (0.6 -
0.7mm).
Storage
1. Allow engine to cool and empty the fuel tank before
storing or transporting in vehicle. Use up remaining
fuel in the carburetor by starting the engine and letting it
run until it stops.
2. When not in use, store Blower indoors in a dry location.
Store Blower above the reach of children or in a locked
area out of the reach of children.
3. Store unit and fuel in area where fuel vapors cannot
reach sparks or open flames from water heaters, electric
motors or switches, furnaces, etc.
NOTE: To prevent fuel gum deposits in the Blowers carburetor and fuel system, it is acceptable to use fuel stabilizer.
Follow the stabilizer manufacturer's instructions. Run the engine at least 5 minutes after adding stabilizer.
Questions? Call Toll Free at 1-800-737-2112
5. Install the Spark Plug finger tight in the cylinder head,
then tighten firmly with the spark plug wrench.
6. Replace the insulated spark plug boot.
4. When preparing the Blower for storage or when Blower
will not be used for 30 days or more:
a. Inspect and clean the Blower thoroughly.
b. Lightly oil all external metal surfaces.
c. Remove the spark plug, place a few drops of
2-cycle engine oil into the cylinder. Pull the recoil
starter several times to distribute the oil. Replace
the spark plug.
d. Inspect and clean air filter as required.
8 Copyright © 2008 MAT Engine Technologies, LLC

Troubleshooting

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PROBLEM POSSIBLE CAUSE(S)
Engine will not start. 1. Ignition Switch in the "OFF" position.
2. Engine flooded.
3. Fuel Tank empty.
4. Spark Plug not firing.
5. Fuel not reaching carburetor.
6. Carburetor requires adjustment.
Engine will not accelerate, lacks 1. Choke lever in the "cold start" position.
power or stalls. 2. Fuel not reaching carburetor.
3. Air filter dirty.
4. Spark plug fouled.
5. Carburetor requires adjustment.
6. Carbon build-up on muffler outlet
screen.
7. Compression low.
Engine smokes excessively. 1. Choke lever in the "cold start" position.
2. Fuel mixture incorrect.
3. Air filter dirty.
4. Carburetor requires adjustment.
Engine runs hot. 1. Fuel mixture incorrect.
2. Spark Plug incorrect.
3. Carburetor requires adjustment.
4. Carbon build-up on muffler outlet
screen.
Engine will not idle properly. 1. Carburetor requires adjustment.
2. Crankshaft seals worn.
3. Compression low.

Technical Service

You may have further questions about assembling, operating, or maintaining this Blower. If so, you can contact our
Technical Service Department at 1-800-737-2112 (English
only).
You may also write to:
MAT Engine Technologies, LLC
ATTN: Technical Service – METL
625 Barclay Blvd.
Lincolnshire, IL 60069
When contacting the Technical Service Department, have
ready:
• Your Name
• Your Address
• Your Phone Number
Questions? Call Toll Free at 1-800-737-2112
SOLLUTION(S)
1. Move ignition switch to the ON position.
2. See Starting a Flooded Engine in
OPERATION section.
3. Fill tank with correct fuel mixture.
4. Replace Spark Plug.
5. Check for kinked or split fuel line; repair or
replace.
6. Contact a qualified service center.
1. Move choke lever to the "warm start/run" position.
2. Check for kinked or split fuel line; repair or replace.
3. Clean air filter.
4. Clean or replace plug
5. Contact a qualified service center.
6. Contact a qualified service center.
7. Contact a qualified service center.
1. Move choke lever to the "warm start/run" position.
2. Empty Fuel Tank and refill with correct fuel
mixture.
3. Clean or replace air filter.
4. Contact a qualified service center.
1. See Mixing Fuel with 2-Cycle Oil in
OPERATION section.
2. Replace with correct Spark Plug.
3. Contact a qualified service center.
4. Contact a qualified service center.
1. Contact a qualified service center.
2. Contact a qualified service center.
3. Contact a qualified service center.
If you need assistance or have any questions,
CALL TOLL FREE: 1-800-737-2112
• Model Number of Product
• Date of Purchase (include copy of receipt for written requests)
9 Copyright © 2008 MAT Engine Technologies, LLC