Service Manual

25
Spark Arrestor -
Inspect/Clean/Replace
This unit has a spark arrestor fitted to the
exhaust outlet of the muffler. The spark arrestor
should be cleaned with a soft wire brush after
every 50 hours or 3 months of use. The spark
arrestor should be replaced after every 100
hours of operation or if it becomes damaged.
Hot Surface
Hot parts or hot components can cause burns or
personal injury. Do not allow hot parts or
components to contact your skin. Use protective
clothing or protective equipment to protect your
skin.
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. The gap should be from 0.7mm
- 0.8mm (028 - .032 inches). Adjust the
gap as necessary by carefully bending
the side electrode if needed.
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 22 ± 2
N·m (16 ± 2 lbft). DO NOT over tighten
as this may damage the engine.
10. Install the spark plug cap.
11. Repeat steps 4-10 for the other spark
plug on the other side of the engine.
1 2
1
2
3
4