Air filter (fig. 8), Fuel sediment cup cleaning (fig. 9), Cleaning / adjusting / replacing spark plug – Powerplus POWX516 POWER G ENERATOR 5500W EN User Manual

Page 12

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POWX516

EN

Copyright © 2015 VARO

P a g e

| 12

www.varo.com

 Check the oil drain plug, gasket, oil filler cap and O-ring. If damaged replace.
 Reinstall the oil drain bolt.
 Refill engine oil to the upper level. (Fig. 7)

12.4

Air filter (Fig. 8)

A dirty air cleaner will restrict air flow to the carburetor. To prevent carburetor malfunction,
service the air cleaner regularly. Service more frequently when operating the generator in
extremely dusty areas.
1.

Unsnap the air cleaner cover clips, remove the air cleaner cover and remove the element.

2.

Wash the air cleaner element in a solution of household detergent and warm water, then
rinse thoroughly or wash in non-flammable or high flashpoint solvent. Allow the air
cleaner element to dry thoroughly.

3.

Soak the air cleaner element in clean engine oil and squeeze out the excess oil. The
engine will smoke during initial startup if too much oil is left in the air cleaner element.

4.

Reinstall the air cleaner element and the cover.

CAUTION: The engine should never run without the air filter element;
excessive piston and/or cylinder wear will result.

12.5

Fuel sediment cup cleaning (Fig. 9)

The sediment cup prevents dirt or water which may be in the fuel tank from entering the
carburetor. If the engine has not been running for a long time, the sediment cup should be
cleaned.
1.

Turn the fuel valve lever to the OFF position. Remove the sediment cup, O-ring and filter.

2.

Clean the sediment cup, O-ring and filter in nonflammable or high flash point solvent.

3.

Reinstall the filter, O-ring and sediment cup.

4.

Turn the fuel valve lever ON and check for leaks.

12.6

Cleaning / adjusting / replacing spark plug

Easy starting and optimum running of the engine is only possible when the spark plug is clean
and correctly mounted.
 Remove the spark plug cable from the spark plug.
 Place spark plug key on the spark plug and unscrew it.
 The spark plug should be light to dark brown (Standard electrode color: Tan Color). A

black spark plug indicates that the mixture is too rich (choke used for too long, frequent
running for short periods).

 Clean the spark plug with a spark plug brush. (This has copper bristles - do not use a steel

brush, otherwise you will damage the spark plug!)

 Check the gap between the electrodes with a gauge. It should be between 0.6 and 0.8

mm. If necessary, adjust the gap by carefully bending the electrode. If the gap is too wide,
the ignition spark is too weak or may be completely absent. If the gap is too small, the
electrode becomes burnt, and the plug will not spark reliably.

 If the electrode is burnt, or the ceramic insulator is damaged, replace the spark plug. Use

spark plugs with the same charasteristics.

 Re-place the spark plug in its housing and screw it tight by hand. The spark plug must

allow itself to be screwed in very easily. - otherwise unscrew again, check the thread for
foreign bodies and screw in again (straight).

 Use a plug spanner to tighten the hand-tightened spark plug by a further quarter revolution

and no more, otherwise the thread will be damaged.

 Re-place the spark plug cable on the spark plug and ensure that it is seated tightly.

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