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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. A 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
10W-30 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 - iGen1200, 2200 & 2500:
Phillips head screwdriver. iGen4500s: 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. iGen1200: Remove the engine access cover (see
Figure 27).
iGen2200 & 2500: Remove the engine access
cover (see Figure 28).
iGen4500s: Remove the oil access cover
(see Figure 29).
27
After 250 Hours or Every Year *
Check / Adjust
–
Figure 27 - iGen1200 Removing the Engine
Figure 28 - iGen2200 & 2500 Removing the Engine
After 500 Hours or Every 2 Years *
Access Cover
Access Cover
Figure 29 - iGen4500s Removing the Oil
Access Cover
–
Clean
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