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Man L27/38S User Manual

Man L27/38S
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L27/38S
Project Guide - Power Plant
Four-stroke GenSet

Table of Contents

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Man L27/38S Specifications

General IconGeneral
BrandMan
ModelL27/38S
CategoryPortable Generator
LanguageEnglish

Summary

D 10 General information

Vibration limits and measurements

Specifies vibration limits and measurement points for GenSets and turbochargers.

Exhaust gas components

Details exhaust gas constituents and their properties.

Emission limits Worldbank II

Outlines emission limits for plants according to Worldbank II regulations.

Overhaul recommendation, Maintenance and Expected life time

Details recommended overhaul intervals and expected life times for engine components.

B 10 Basic diesel engine

General description

Describes the engine's construction, frame, base frame, cylinder liner, and valves.

Main particulars

Lists key specifications like cycle, configuration, bore, stroke, and power range.

B 11 Fuel oil system

Internal fuel oil system

Diagram and description of the internal fuel oil system, including filters.

Part-load optimisation - PLO

Describes a tuning method for GenSets optimizing performance at low and part load.

Specification of heavy fuel oil (HFO)

Outlines prerequisites, specifications, and important considerations for HFO.

Specification of diesel oil (MDO)

Details specifications and properties for Maritime Diesel Oil (MDO).

Specification of gas oil/diesel oil (MGO)

Lists properties and test procedures for gas oil/diesel oil (MGO).

Specification of bio fuel

Provides specifications and properties for various types of biofuel.

Crude oil specification

Details properties and test methods for crude oil specifications.

Guidelines regarding MAN Diesel & Turbo GenSets operating on low sulphur fuel oil

Covers aspects of using low sulphur fuel oil and distillates with GenSets.

Calculation of specific fuel oil consumption (SFOC)

Describes the calculation and correction factors for SFOC.

Fuel oil consumption for emissions standard

Provides fuel consumption data for emissions standards at different load levels.

B 12 Lubricating oil system

Internal lubricating oil system

Diagram and description of the internal lubricating oil system.

Lubricating oil consumption

Details specific lubricating oil consumption (SLOC) for various engine types.

Quality of oil

Specifies the required quality of lubricating oil for engine operation.

Crankcase ventilation

Provides guidelines for crankcase ventilation system design and connections.

Specification of lubricating oil (SAE 40) for heavy fuel operation (HFO)

Outlines specifications and limit values for HFO lubricating oil.

Specification of lubricating oil (SAE 40) for operation with MGO/MDO and biofuels

Details specifications and limit values for lubricating oil with MGO/MDO and biofuels.

Specific lubricating oil consumption - SLOC

Provides specific lubricating oil consumption data for various engine types.

Criteria for cleaning/exchange of lubricating oil

Lists criteria for evaluating lubricating oil condition and replacement.

Treatment and maintenance of lubricating oil

Covers general treatment, maintenance, and operation on different fuel types.

B 13 Cooling water system

Specification of engine coolant

Details requirements and properties for engine coolant.

B 14 Compressed air system

Specification of compressed air

Outlines quality requirements for compressed air for starting, control, soot blowing, and atomization.

B 15 Combustion air system

B 16 Exhaust gas system

External exhaust gas system

Covers exhaust back-pressure, piping dimensions, and mounting.

SCR (Selective Catalytic Reduction)

Explains SCR technology, components, and operation for NOx reduction.

B 17 Speed control system

Starting of engine

Describes starting procedures for HFO and MDO, including prelubricating.

Power Management - Alternator protection

Details various protection functions for alternators and generators.

B 19 Safety and control system

B 20 Foundation

Resilient mounting system for landbased generating sets

Covers mounting procedures, checks, and instructions for resiliently mounted generating sets.

B 21 Test running

Shop test programme for power plants

Outlines the shop test program for power plants, including operating points and load application.

E 23 Spare parts

Spare parts for unrestricted service

Lists spare parts for unrestricted service according to classification societies and MAN Diesel & Turbo standards.

B 50 Alternator

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