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MAINTENANCE
Table 2 lists the more complicated maintenance tasks that are best performed by a qualified mechanic using
specialised tools. It is recommended to engage an authorised Westinghouse service dealer to carry out this
work.
Table 2: Advanced Maintenance Schedule - Authorised Westinghouse Service Dealer Performed
Maintenance Item
Valve Clearance
Combustion Chamber
* Whichever occurs first.
ENGINE OIL MAINTENANCE
Engine Oil Specification
Use premium quality 4-stroke engine oil with an
API Service Classification of at least SF. An SAE
multigrade viscosity of 10W-30 is suitable for use in
ambient temperatures of up to 40°C. For temperatures
above 40°C, a multigrade viscosity of 15W-40 is
recommended.
NEVER use 2-stroke engine oil either directly in the
engine or mixed with the fuel.
Mineral based, semi-synthetic or fully synthetic oils
may be used, but different types of oils should not be
mixed together. The engine oil supplied originally with
the generator is a mineral type with SAE
viscosity.
Checking Engine Oil
NOTICE
Always maintain proper engine oil level. Failure
to maintain proper engine oil level can damage
the engine. Always use the specified engine oil.
Failure to use the specified engine oil can damage
the engine.
Tools required: None.
Engine oil level should be checked before every use.
1. Always operate or maintain the generator on a flat
surface.
2. Stop engine if running.
3. Let engine sit and cool for several minutes (allow
crankcase pressure to equalise).
4. Remove the oil access cover (see Figure 21).
21
After 250 Hours or Every Year *
Check / Adjust
–
Figure 21 - Removing the Oil Access Cover
10W-30
5. Remove the oil fill plug by unscrewing it anti-
clockwise (see Figure 22).
6. Check oil level:
• Acceptable Oil Level – Oil surface is at
• Low Oil Level – Oil surface is below the bottom
After 500 Hours or Every 2 Years *
Figure 22 - Removing the Oil Fill Plug
the bottom lip of the oil fill plug opening
(see Figure 23).
lip of the oil fill plug opening. Add oil as
required.
–
Clean
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