Operation and Maintenance Manual for PowerKit 6M16 Series
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Figure 2-5 Circulation of cooling system
For the 6M16 four-valve diesel engine for power generation, there is a water drain hole is designed
at the oil cooler cover (figure2-6).
Caution:
After shutdown of diesel engine in winter or in cold region (ambient temperature is below
5°C), if no anti-freeze additive is added in the coolant, open the discharge valve on the oil cooler to
drain the cooling water to prevent the diesel engine body from being frost cracked.
Figure 2-6
2.5 Electrical units
The electric system is composed of alternator, starter and monitoring instrumentation.
2.5.1 Alternator
The alternator is of 3-phase AC alternator, and DC current will be generated after silicon
rectification. Rotation direction: clockwise (viewed from drive end). Figure 2-7 shows the circuit
Expansion
tank
Oil cooler
Water tank
Water drain hole
