Troy-Bilt 726 TDE Benutzerhandbuch

Reinstall the oil filler cap/dipstick securely.

6. 

Thoroughly wash your hands with soap 

and water as soon as possible after handling  

used oil.

Please dispose of used motor oil in a manner that is 

friendly to the environment. Take it to a recyling center or other 

collection center.

DO NOT check for a spark with the 

spark plug removed. DO NOT crank the engine with 

the spark plug removed.

If the engine has been running, the 

muffler will be very hot. Be careful not to touch the 

muffler.

To ensure proper engine operation, the spark plug must be 

properly gapped and free of deposits.

Remove the spark plug boot and use a spark plug wrench 

1. 

to remove the plug, Fig. 7-3.

Visually inspect the spark plug. Discard the spark plug if 

2. 

there is any apparent wear, or if the insulator is cracked or 

chipped. Clean the spark plug with a wire brush if it is to be 

reused.

Measure the plug gap with a feeler gauge. Correct as 

3. 

necessary by bending the side electrode, Fig. 7-4. The gap 

should be set to .02-.03 inches (0.60-0.80 mm).

Check  that the spark plug washer is in good condition 

4. 

and thread the spark plug in by hand to prevent cross-

threading.
After the spark plug is seated, tighten with a spark plug 

5. 

wrench to compress the washer.
NOTE: When installing a new spark plug, tighten 1⁄2-turn 

after the spark plug seats to compress the washer. When 

reinstalling a used spark plug, tighten 1⁄8- to 1⁄4-turn after 

the spark plug seats to compress the washer.

The spark plug must be tightened 

securely. A loose spark plug can become very hot 

and can damage the engine.

If the engine has been running, allow it to cool for at least a half 

an hour before cleaning. Periodically remove dirt build-up from 

engine. 

Do not spray the engine with water to 

clean it because the water could contaminate the 

fuel. Using a garden hose or pressure washing 

equipment can also force water into the muffler 

opening. Water that passes through the muffler can 

enter the cylinder and cause damage.

Accumulation of debris around the 

muffler could cause a fire. Inspect and clean before 

every use.