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Exhaust temperature rises on all cylindersMAN B&W L23/30H technical information, fault, p. 37Charge air cooler ineffective, fouled air/gas passages, poor fuel, wrong camshaft position. Clean coolers and filters, water-wash turbine, check Pmax and camshaftMAN B&W L23/30H working cardsFour-stroke auxiliary diesel engine (generating set), p. 76 … Low temperature (LT) cooling water tempera-
ture (sea, raw or fresh) at inlet charge air cooler (°C)
- thermometer … MAN B&W L23/30H spare parts platesSpare parts catalogue, p. 1 … cooling water pumps and thermostats, turbocharging arrangement, charge air cooler, starting system (turbine starter, starting valves), governor drive … MAN B&W L23/30H technical informationFour-stroke auxiliary diesel engine (generating set), p. 45 … Fouled turbocharger,
air filter or charge
air cooler (air side).
ONE CYLINDER
Exhaust temp. in-
creasing: Fuel valve … MAN B&W L23/30H working cardsFour-stroke auxiliary diesel engine (generating set), p. 1 … water components, starting system, turbocharger water washing, charge air cooler, overspeed trip and alarm tests, crankcase relief valves … MAN B&W L23/30H technical informationFour-stroke auxiliary diesel engine (generating set), p. 40 … The charge air cooler housing is a integrated part of
the frame.
Base Frame
Engine and alternator (gear … MAN B&W L23/30H working cardsFour-stroke auxiliary diesel engine (generating set), p. 12 … exhaust valves as
well as turbocharger and charge air cooler are working
correct and the compression pressure Pcomp … MAN B&W L23/30H technical informationFour-stroke auxiliary diesel engine (generating set), p. 37 … Exhaust temperature rises on all cylinders Charge air cooler ineffective, fouled air/gas passages, poor fuel, wrong camshaft … Tanabe TASKOil-injected rotary screw compressor, packaged, p. 34 … n- ment
itial)
Piping & Joint Check
Clean-
Oil & Air Cooler ing
Cooling Fan Cleaning
Bear ing Replace-
ment … MAN B&W L23/30H spare parts platesSpare parts catalogue, p. 206 … Inlet bend
Gasket
Screw
Shield
Screw
Cooler box for
charge air
Compensator
Flange
Washer
Screw
Sealing ring
Inlet … Tanabe TASKOil-injected rotary screw compressor, packaged, p. 32 … cooler, after-cooler
7-5-1 Cleaning intervals
When cooling air side of oi! cooler and after-cooler … Tanabe TASKOil-injected rotary screw compressor, packaged, p. 19 … When cooler is clogged with dust of
the like, cooling air flow will be
reduced and lubricating oi … Atlas Copco MAS GA 18Oil-filled screw compressor, p. 15 … Cooling
The cooling system comprises an air cooler (Ca) and an oil cooler (Co).
The cooling flow is … MAN B&W L23/30H spare parts platesSpare parts catalogue, p. 210 … Inlet bend
Gasket
Screw
Shield
Screw
Cooler box for
charge air
Compensator
Flange
Washer
Screw
Sealing ring
Inlet … Atlas Copco MAS GA 18Oil-filled screw compressor, p. 93 … Avoid
recirculation of cooling air. If
installed, check capacity of
compressor room fan
Oil cooler clogged
Clean cooler … TeamTec Golar OG 200Shipboard incinerator (sludge oil, sewage sludge and solid waste), p. 28 … The same fan draws ambient air through
the cooling jacket on the combustion chamber and the hot gas … Tanabe VLHH-64A / 74AV-type air-cooled 3-stage reciprocating compressor, p. 32Tanabe VLHH-64A / 74A — main starting air compressor (3-stage, V type) | Tanabe Pneumatic Machinery | VLHH-64A / VLHH …