Operator`s manual

Maintenance GPi 3200 / 4300

42 wc_tx001240gb.fm

3.5 Cleaning and Checking the Spark Plug

When

Clean the spark plug and check the electrode gap every 200 hours of operation

(monthly).

Prerequisite

Engine is stopped and cool to the touch

Removing and

cleaning the

spark plug

Follow the procedure below to remove and clean the spark plug.

1. The spark plug cap (K) is located on the side of the engine behind the air

cleaner.

2. Disconnect the spark plug cap from the spark plug (K2).

3. Using the provided spark plug wrench (K1), unscrew and remove the spark

plug.

4. If the electrode is covered with carbon deposits, use a wire brush or spark plug

cleaner to remove the carbon.

NOTICE: If the spark plug is cracked or damaged, replace it. See Technical Data.

Checking the

electrode gap

5. The electrode gap should measure between 0.6 to 0.7 mm (0.024 to 0.028 in.).

Adjust the gap if necessary.

Re-installing

the spark plug

6. Re-install the spark plug and tighten it securely.

NOTICE: A loose spark plug can become very hot and may cause engine dam-

age. Make sure that the spark plug is properly seated and tightened.

7. Re-connect the spark plug cap.

WARNING

Burn hazard. Engine and exhaust pipe become extremely hot during operation.

f Stop the engine and allow the machine to cool before cleaning and adjusting the

spark plug.

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