Air Filter Element Maintenance

1.To remove the air filter cover, push in and lift up on the Filter Cover Tab, pivoting the cover at the Base Hinge. Remove the filter and check for dirt. Clean or replace as described below.

 

Filter Cover

Filter Cover

Filter

Tab

Base Hinge

 

2.Cleaning:

•Foam filter element:

Wash the element in warm water and mild detergent several times. Rinse. Squeeze out excess water and allow it to dry completely. Soak the filter in lightweight oil briefly, then squeeze out the excess oil.

3.Install the new filter or the cleaned filter. Secure the Air Cleaner Cover before use.

Spark Plug Maintenance

Spark

Plug

Cap

SAFETY

1.Disconnect spark plug cap from end of plug. Clean out debris from around spark plug.

2.Using a spark plug wrench, remove the spark plug.

3.Inspect the spark plug:

If the electrode is oily, clean it using a clean, dry rag. If the electrode has deposits on it, polish it using emery paper. If the white insulator is cracked or chipped, the spark plug needs to be replaced.

 

NGK®

BP-6ES

SETUP

 

Recommended Spark Plug

 

 

 

Brand

 

Part #

 

 

 

 

 

 

 

 

 

NHSP® / TORCH®

 

F6TC

 

 

NOTICE: Using an incorrect spark

 

plug may damage the engine.

 

 

 

4. When installing a new spark plug, adjust the

 

plug’s gap to the specification on the Technical

 

Specifications chart. Do not pry against the

 

electrode, the spark plug can be damaged.

 

5. Install the new spark plug or the cleaned spark plug

OPERATION

NOTICE: Tighten the spark plug properly.

into the engine.

 

 

 

Gasket-style: Finger-tighten until the gasket contacts the cylinder head, then about 1/2-2/3 turn more. Non-gasket-style: Finger-tighten until the plug contacts the head, then about 1/16 turn more.

If loose, the spark plug will cause the engine to overheat. If overtightened, the threads in the engine block will be damaged.

6.Apply dielectric spark plug boot protector (not included) to the end of the spark plug and reattach the wire securely.

MAINTENANCE

ITEM 69774

For technical questions, please call 1-800-520-0882.

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Harbor Freight Tools 69774 Recommended Spark Plug, Air Filter Element Maintenance, Cleaning, Spark Plug Maintenance Cap
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69774 specifications

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