Harbor Freight Tools Towable Ride_On Trencher Manual download pdf (Page 20)

Page 20 For technical questions, please call 1-888-866-5797. Item 62365

SAFETY SETUP OPERATION MAINTENANCE

Air Filter Element Maintenance

1. Remove the air filter cover and the air filter elements

and check for dirt. Clean as described below.

2. Cleaning:

• For “paper” filter elements:

To prevent injury from dust and debris,

wear ANSI-approved safety goggles,

NIOSH-approved dust mask/respirator, and

heavy-duty work gloves. In a well-ventilated

area away from bystanders, use pressurized

air to blow dust out of the air filter.

If this does not get the filter clean, replace it.

• For foam filter elements:

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 cleaned filter. Secure the

Air Cleaner Cover before use.

Spark Plug Maintenance

Spark

Plug

Cap

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.

Recommended Spark Plugs

F7TC (Torch)

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

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 into the engine.

• Gasket-style:

Finger-tighten until the Gasket

contacts the Cylinder Head,

then tighten about 1/2-2/3 turn more.

• Non-gasket-style:

Finger-tighten until the plug

contacts the Cylinder Head,

then tighten about 1/16 turn more.

NOTICE: Tighten the Spark Plug properly.

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.

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Harbor Freight Tools Towable Ride_On Trencher Manual Page 20

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