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27.2 Engine Oil
The petroleum oils recommended for use in this refrigeration unit must
comply with the American Petroleum Institute's (API) Class CG or better
rating. The only recommended synthetic oil is Mobil Delvac 1. The use of any
oil that does not meet this rating may affect the warranty on the engine. The
use of oil of the proper weight (viscosity) is also essential.
The following chart indicates the recommended engine oils for use in various
climates:
27.3 Checking Engine Oil
Run the unit to bring the engine up to operating temperature, shut the unit off,
and remove the cap/dipstick. Wipe the dipstick clean and insert it into the oil
fill tube without threading it all the way back into the tube. Remove the dipstick
again and check oil level. DO NOT add oil if the level is in the “safe” range. If
needed, add oil as indicated by markings on dipstick until level is in the “safe”
range.
Recommended Engine Oil
Outdoor Temperature
SAE
Fahrenheit Centigrade
Below 32° Below 0° 10W-30 or
Mobil Delvac 1 (5W-40)
Above 32° Above 0° 10W 30 or
Mobil Delvac 1 (5W-40)
or 15W-40
QTS12SAFE
Cap
Dipstick
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