Operating Guide
17
DO NOT perform this maintenance procedure
until the muffler has cooled.
Remove screws (2). Remove spark arrestor (1)
Check the spark arrestor. Carefully clean the
spark arrestor with a soft wire brush. If the spark
arrestor is damaged, replace the spark arrestor.
To install the spark arrestor, align the mounting
holes in the spark arrestor with the mounting
holes on the muffler. Insert screws (2) and
tighten securely.
Spark Plug – Inspect/Adjust/Replace
Refer to the Specifications section of this
manual to determine the proper spark plug part
number and spark plug gap for your product.
1. DO NOT perform this maintenance
procedure with the engine running.
2. Turn the generator switch to the off “O”
position.
3. Open the engine access door.
4. Remove the spark plug cap (3).
5. Use the plug wrench (1) or a spark plug
socket to remove the spark plug (2).
6. Visually check the spark plug to see if
it is damaged. If the insulator is
cracked, replace the spark plug. If the
electrode is damaged, replace the spark
plug.
7. Measure the plug gap (4) with a feeler
gauge. Adjust the gap as necessary by
carefully bending the side electrode.
Refer to Specifications for the correct
gap for your product.
8. Check the spark plug washer to ensure
proper working condition. If the washer
is damaged, replace the washer.
9. Install spark plug and tighten to 16 ± 2
lb ft (22 ± 2 Nm). DO NOT overtighten
as this may damage the engine.
10. Re-attach the spark plug cap.
11. Repeat steps 4-10 for the other spark
plug on the other side of the engine.
Walk-Around Inspection
Before starting the engine perform a visual
inspection of the unit. Look for:
• Proper oil level
• Proper fuel level
• Good quality fuel
• Fluid leaks
• Loose clamps
• Loose bolts
• Cracked fuel line
• Loose or frayed wiring
• Built up debris
In addition, make sure that:
• The ground terminal is properly
connected
• The circuit breakers are in OFF “ 0 ”
position
1
2
1
2
3
4