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Generator Batteries
Portable Generators.
Before you use your generator make sure your battery is charged. If it is not fully charged you may be able to still start your engine however the flywheel generator that is used to recharge your battery may be overloaded.  Overloading the charging circuit maybe blow a fuse or causes further damage that [...]

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Torque and Timing Adjustments
For Portable Aurora Diesel Engines.

* Required torque and timing adjustments necessary for the proper operation of your engine.
Valve Timing

Model / Item
Phase (Degrees)

Intake Valve Open
BTDC18°
BTDC13°

Intake Valve Close
ABDC46°
ABDC52°

Exhaust Valve Open
BBDC52°
BBDC57°

Exhaust Valve Close
ATDC12°
ATDC8°30′

Initial angle of fuel delivery

Model / Item
178
186

Engine RPM
3000
3600
3000
3600

Initial angle offuel delivery (Degrees)
19 ± 1
20 ± 1
21 ± 1
22 ± 1

Valve Clearance ( measured [...]

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Generator Break In Period
All engines require some kind of break-in period. Current technology provides the means of manufacturing engine parts with unimaginable precision but they still fall short of achieving the near perfect fit that a proper break-in will provide. “Break-in,” for the most part, is the allowance of the machined cylinder and ring surfaces [...]

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Changing the oil filter is really easy on a portable diesel engine like the Yanmar 186 diesel motors BUT there are something you need to know.
Watch for the little o-ring on the oil filter and make sure it is not pinched or damaged in anyway. If your oil filter does fit all the way into [...]

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Own a standby generator?  Unlike the portable diesel generators, the larger water cooled engines such as the Yangdong YD485 use a external fuel pump and fuel injector pump as shown here.

The fuel pumps also require oil. Same oil you use in your engine will work. Diesel Motor Oil 15w40  If you forget to fill it, [...]

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Oil Changes & Valve Adjustments
Service for the generator set is much like the service you perform on your automobile. The generator set should have oil and all filters changed on a regular basis
The generator should be kept free from dust and occasionally connections should be checked for looseness. These procedures are normally done every 100 [...]