Westinghouse WGen7500, User Manual

Page: 26 / 37

26 | Westinghouse Portable Power
Cleaning the Air Filter - Continued from Page 25
NOTICE
Never dispose of soap cleaning solution used to clean
the air filter by dumping the solution into a sewer, on the
ground, or into ground water or waterways. Always be
environmentally responsible. Follow the guidelines of the
EPA or other governmental agencies for proper disposal
of hazardous materials. Consult local authorities or
reclamation facility.
7. Dispose of used soap cleaning solution properly.
8. Dry the air filter elements by again applying a slow
firm squeezing action.
9. Once the air filters are dry, coat the air filters with
clean engine oil (see Figure 22).
Figure 22
10. Squeeze the filters to remove any excess oil.
11. Install the filters back into the unit. Make sure the
gray (fine) air filter goes in first followed by the black
(coarse) air filter on the outside.
12. Install the air filter cover and secure the air filter assembly.
SPARK PLUG MAINTENANCE
The spark plug must be checked and cleaned after every
100 hours of use or 6 months and must be replaced after
300 hours of use or every year.
1. Stop the generator and let it cool for several minutes if
running.
2. Move the generator to a flat, level surface.
3. Remove the spark plug boot by firmly pulling the
plastic spark plug boot handle directly away from the
engine (see Figure 23).
NOTICE
Never apply any side load or move the spark plug laterally
when removing the spark plug. Applying a side load or
moving the spark plug laterally may crack and damage the
spark plug boot.
Figure 23 - Remove Spark Plug Boot
4. Clean area around the spark plug.
5. Using the 13/16” spark plug socket wrench provided,
remove the spark plug from the cylinder head.
6. Place a clean rag over the opening created by the
removal of the spark plug to make sure no dirt can get
into the combustion chamber.
Inspect the spark plug for:
• Cracked or chipped insulator
• Excessive wear
• Spark plug gap (the acceptable
limit of 0.027–0.032 in.
[0.70 – 0.80 mm]).
NOTICE
Use only recommended spark plugs when servicing.
The manufacturer is not responsible for engine
damage when using spark plugs not recommended
by the manufacturer.
7. Install the spark plug by carefully following the steps
outlined below:
a. Carefully insert the spark plug back into the
cylinder head. Hand-thread the spark plug until it
bottoms out.
b. Using the 13/16” spark plug socket wrench
provided, turn the spark plug to ensure it is fully
seated.
c. Replace the spark plug boot, making sure the boot
fully engages the spark plug’s tip.
Recommended Spark Plug Replacement:
NGK: (1034) BP7ES (Replacement)
Torch: F7TC (OE Spark Plug)
Westinghouse Part Number: 180526
MAINTENANCE
SPARK PLUG GAP