Service Air Cleaner; Service Spark Plug; Inspect Muffler And Spark Arrestor; Remove Spark Arrester Screen - Generac Power Systems Power washer Operator's Manual

Maintenance

SERVICE AIR CLEANER

Your engine will not run properly and may be damaged if you run it
with a dirty air cleaner. Service more often if operating under dirty
or dusty conditions.
To service the air cleaner, follow these steps:
1. Pull on air cleaner cover latch and remove cover (Figure 35).
2. Loosen wing nut.
3. Carefully remove filter assembly.
4. Remove foam filter.
5. To clean cartridge, gently tap on a flat surface.
6. Reinstall foam filter.
7. Reinstall clean or new cartridge assembly.
8. Reinstall wing nut and tighten.
9. Install cover by snapping latch closed.
Figure 35 – Service the Air Cleaner
Paper Filter
Element
Gasket

SERVICE SPARK PLUG

Changing the spark plug will help your engine to start easier and
run better.
1. Clean area around spark plug.
2. Remove and inspect spark plug (Figure 36).
3. Check electrode gap with wire feeler gauge and reset
spark plug gap to recommended gap if necessary (see
Specifications).
4. Replace spark plug if electrodes are pitted, burned or
porcelain is cracked. Use the recommended replacement
plug. See Specifications.
5. Install spark plug and tighten firmly.
18
Air Cleaner
Cover
Latch
Foam Filter
Element
Figure 36 – Change the Spark Plug
SPARK PLUG
INSPECT MUFFLER AND SPARK ARRESTER
Inspect the muffler for cracks, corrosion, or other damage.
Remove the spark arrester, if equipped, and inspect for damage or
carbon blockage. If replacement parts are required, make sure to
use only original equipment replacement parts.

REMOVE SPARK ARRESTER SCREEN

Tools Required: 8mm Box Wrench
1. Remove heat shield from the muffler by loosening the four (4)
Bolts (A) (Figure 37).
2. Remove the spark arrester from the muffler by loosning the
two (2) Bolts (B) (Figure 38).
3. Inspect the spark arrester, replace if torn, perforated or
otherwise damaged (part number 0K1851). DO NOT USE A
DEFECTIVE SCREEN.
4. If screen is not damaged, clean it with a commercial solvent
and replace.
Figure 37 – Remove Heat Shield
A
0.028-0.031
in
A