Spark Plug Service - Hitachi E10U Handbuch

2. Wash the element in washing oil and dry, then immerse it in clean engine oil
and squeeze.
WARNING: ●The washing oil is ignitable. Keep it away from fire.
3. Install the element in the case and install the air cleaner cover.
NOTE: ● An improper installation of the element or air cleaner cover
● Periodically clean at every 50 operation hours. Clean more

SPARK PLUG SERVICE

To service the spark plug, use plug wrench (standard accessory). Use
recommended spark plugs.
RECOMMENDED PLUG AND ELECTRODE CLEARANCE
HITACHI Model
E10U
To ensure proper engine operation, the spark plug must be properly gapped and
free of deposits.
CAUTION: If the engine has been running, the muffler will be very
1. Remove the spark plug maintenance cover and remove the spark plug cap.
2. Using the accessory plug wrench, remove the spark plug.
3. Inspect the spark plug for the burning condition. A light brown color indicates
regular operating condition. If the plug is blackish or whitish, inspect the air
cleaner.
4. Remove dirt (carbon) from the electrode and its periphery.
5. Inspect the electrode gap.
Inspection and cleaning interval: At every 100 hours
6. Install the spark plug.
NOTE: ● To install the spark plug, tighten with fingers to the full force, then use the plug wrench to avoid
● Do not use a spark plug other than the designated one, or failure of the engine may be caused.
Downloaded from www.Manualslib.com
Otherwise fire will be caused.
●Wash in a well ventilated area.
or failure to install the element will deteriorate the engine
performance and durability severely. Securely install the cover
and element.
frequently after operation in an area with much dust.
BPR6HS (NGK)
hot.Be careful not to touch the muffler. Be sure to allow
the engine to cool before you touch the spark plug.
giving damage to the thread, and securely tighten.
manuals search engine
Plug Electrode gap
0.6 to 0.7 mm (0.024" to 0.028")
English
Clean
Dry
Engine oil
Squeeze
Fig. 40
Plug wrench
Spark plug cap
Fig. 41
Electrode gap
0.6 ~ 0.7mm
(0.024 ~ 0.028in)
NGK
BPR6HS
Fig. 42
21