Maintenance Manual of 4M11 Series Diesel Engine For Land Power Generators
4
starter
Cold starting-with auxiliary starter ℃ -30
Noise at 1m reach dB(A) ≤115
B
10
Lifetime km 500,000
1.4 Unsealing of Diesel Engine
After the diesel engine is unpacked, the user shall firstly count the diesel engine and its
accessories as per the delivery packing list, check the exterior of diesel engine for presence of
damage and the connectors for presence of looseness, and then fulfill the following works:
(1) Wipe the anti-rusting layer and anticorrosive agent on the exposed parts.
(2) Drain the sealing oil from the inside of fuel filter and the parts of fuel system (It’s
allowed to start the engine without draining the sealing oil from the fuel system. However, it’s
permitted to run the engine under loaded condition only when the sealing oil in the fuel system is
used up and the diesel is supplied to the engine). But the user should pay attention that the oil
sealing period for diesel engine is one year. At the expiration of one year, conduct checking and
take necessary supplemental measures.
(3) Check the water plug and oil plug for presence of blockage, check for completeness of
water temperature and oil temperature sensors, and ensure that all parts to be self-provided are
completely fitted.
Notice: Do not start the diesel engine before it’s correctly assembled and connected to the
final position. When the diesel engine is running in an enclosed environment, keep well ventilated
to ensure that the exhaust gas is drained to the open air.
1.5 Hoisting of Diesel Engine
During the hoisting, maintain level the centerline of engine crankshaft. It’s prohibited to
hoist in tilted or unidirectional manner. Hoist up and down slowly. The incorrect hoisting will
damage the diesel engine during hoisting.
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