3.2.5 Exhaust System
Excessive back pressures to the engine exhaust can
considerably reduce both engine performance and
life. It is therefore important that exhaust systems
should be the proper diameter and be as short as
possible within the minimum amount of bends. Refer
to Installation & Operating (see Page 5) for exhaust
data. Also refer to table below for maximum exhaust
restrictions.
The installation of the exhaust system should consist
of the following:
• Personnel protection from hot surfaces.
• Adequate supports to prevent strain on the
engine exhaust outlet and minimize
vibration.
• Protection against entry of water and other
foreign matter.
While the engine is running inspect exhaust pipe
outlet outside of the pump room itself for
environmental hazards such as excessive smoke
conditions. The following could be used as a guide
for general engine operating conditions.
1) Blue Smoke – Possible engine oil
consumption.
2) White Smoke – Possibility of water in
cylinders, water in fuel or internal engine
problem.
3.3 LUBRICATION SYSTEM
3.3.1 Checking Sump Oil
Check the sump oil level using the dipstick on the
engine as shown in Figures #18A and 18B.
This level must always be between the dipstick marks
Min. and Max. with the engine not running. On
DT2H engines the dipstick should be reinserted for
measurement very slowly so that the level on the
dipstick is accurate.
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