Checking The Spark Plug; Storing The Generating Set - SDMO Technic 7500 TE C Manuel D'utilisation

7.6. Starter battery maintenance
Danger
As the battery is maintenance-free, just check the condition and tightness of the connections and its general cleanliness.

7.7. Checking the spark plug


Remove the cover (fig. E - No. 1) of the spark plugs (fig. E - No. 2), then remove the spark plugs with a spark plug spanner.

Check the condition of the spark plugs:
If the electrodes are worn or if the insulation is cracked or
chipped:

Replace the spark plugs.

Install the new spark plugs and screw them in manually to
ensure that any cross-threading is avoided.

Using a spark plug spanner, give the plugs a further ½ turn
after the spark plugs are set in position, in order to compress
the washers.
7.8. Cleaning the generating set
Cleaning with a water jet is not recommended.
Cleaning with high pressure cleaning equipment is forbidden.
Important

Remove all dust and debris from around the exhaust.

Clean the generating set, particularly the alternator and engine air inlets and outlets, using a cloth and brush.

Check the general condition of the generating set and replace any faulty parts.

8. Storing the generating set

In the event that the generating set is not to be used for a long period, it must be stored in accordance with the guidelines below.

Close the fuel tap (fig. A - No. 6 & fig. C - No. 1).

Drain the fuel using an appropriate container.
A) Disconnect the fuel duct downstream of the fuel filter (fig. C - No. 3).
B) Open on fuel tap.
C) Once the oil has been drained, reconnect the fuel duct filter.

Start the electrical generating set and leave it running until it runs out of fuel.

While the engine is still warm, change the engine oil (see the Changing the engine oil section).

Clean the outside of the generating set, apply a rust protection product to the damaged sections and cover it with a protective
cover to protect it from dust.

Store the generating set in a clean, dry place.
Never place the battery close to a flame or fire.
Use only insulated tools.
Never use sulphuric acid or acid water to top up the electrolyte level.
If not:

Clean the spark plugs with a wire brush.

Using a shim, check the « X » gap of the electrodes: This
should be 1.02 mm.

Check the condition of the washer.

Install the spark plugs and screw them in manually in order to
avoid any cross-threading.

Using a spark plug spanner, give the plugs a further 1/8 – 1/4
turn in order to compress the washers.