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Westinghouse Outdoor Power Equipment, LLC | 17
MAINTENANCE
NOTICE
Do not pollute� Follow the guidelines of the EPA or other
governmental agencies for proper disposal of hazardous
materials� Consult local authorities or reclamation facility�
SPARK PLUG MAINTENANCE
Inspect and clean the spark plug after every 100 hours of
use or six months� Replace the spark plug after 300 hours
of use or every year�
1. Place the pressure washer on a level surface and allow
the engine to cool�
2. Remove the spark plug boot by rmly pulling the spark
boot directly away from the engine�
3. Clean the area around the spark plug�
4. Remove the spark plug with the included spark plug
socket wrench�
NOTICE
Never apply any side load or move the spark plug
laterally when removing the spark plug�
5. Inspect the spark plug� Replace if electrodes are
pitted, burned, or the insulator is cracked� Only use a
recommended replacement plug�
Recommended Spark Plug Replacement
Westinghouse
Model Number
Torch NGK Champion Autolite
WPX3400
F7TC BP7ES 332 62
6. Measure the spark plug electrode gap with a wire-type
feeler gauge� If necessary, correct the gap by carefully
bending the side electrode�
Spark plug gap: 0�024 – 0�032 in� (0�60 – 0�80 mm)
7. Carefully install the spark plug nger tight, then tighten
as additional 3/8 to 1/2 turn with the spark plug wrench�
8. Attach the spark plug boot�
SPARK ARRESTOR SERVICE
Allow the mufer to cool completely before servicing the
spark arrestor� Check and clean the spark arrestor after
every 100 hours of use or every season� Failure to clean the
spark arrestor will result in degraded engine performance�
1. Place the pressure washer on a level surface�
2. Carefully remove the carbon deposits from the spark
arrestor screen with a wire brush� The spark arrestor
must be free of breaks and tears� Replace the spark
arrestor if damaged�
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