Nozzle Cleaning; Cleaning Water Inlet Filter; Spark Plug Service - Benchmark BW4400 Mode D'emploi

6.5 NOZZLE CLEANING

Detach the quick connect nozzle from the wand. Use a small wire such as a paper clip
to gently loosen up any stuck particles in the nozzle. Flush with water.

6.6 CLEANING WATER INLET FILTER

Check the screen filter periodically and clean if necessary.

6.7 SPARK PLUG SERVICE

Note
Do not rinse spark plug in water. Follow guidelines and be careful not to
overtighten the spark plug.
Recommended spark plug: F7TC
Check the spark plug gap and clean the carbon deposits at the bottom of the spark
plug.
Tighten 1/2 turn when installing a new spark plug.
Tighten 1/8 TO 1/4 turn when re-installing an old spark plug.
0.70-0.80mm
(0.028-0.031in)
31