zxc ® 04-Apr-2013 19:31

Instructions for main engine MAN B&W L50MC/MCE Volume II: "Maintenance"


Language: english
Author: M.A.N.-B&W DIESEL A/S
Genre: Instructions
Publisher: M.A.N.-B&W DIESEL A/S
Format: PDF
Quality: Scanned pages
Number of pages: 400
Description: INSTRUCTIONS FOR MAIN ENGINE TYPE L50MC/MCE MAINTENANCE
This book forms part of a set of books consisting of three volumes entitled:
Vol. I OPERATION
Vol. II MAINTENANCE
Vol. Ill COMPONENTS AND DESCRIPTIONS
The purpose of these books is to provide general guidance on operation
and maintenance and to describe the constructional features of a standard version of the above engine type. Deviations may be found in a specific plant. In addition the books can be used for reference purposes, for instance in correspondence and when ordering spare parts.
It is essential that the following data is stated in spare parts orders as it is used by us to ensure the supply of the correct parts for the individual engines:
1. Name of vessel
2. Engine No. built by
3. Plate No.
4. Part No.
5. Quantity required (and description)
Example: M/S Nybo - 7730 B&W - 90201 - 00 - 059 10 off (piston ring).
If the parts list indicates a "B&W standard No.", this should also appear in your order.
The designation "D" used in texts and illustrations refers to the information given on the data-sheets inserted in the respective books.
As reliable and economical operation of the diesel engines is conditional on correct operation and maintenance, it is essential that the engine-room personnel is fully acquainted with the contents of this book.
This book is subject to copyright protection. The book must not, either wholly or partly, be copied, reproduced, made public or in any other way made available to a third party without the written consent to this effect from B&W Diesel A/S.
M.A.N.-B&W DIESEL A/S
Stamholmen 161 . DK-2650 Hvidovre - Copenhagen . Denmark Cables: bwdiesel . Telex: 16573 bumei dk . Telephones +45 1 492501

INTRODUCTION

INTRODUCTION
INTRODUCTION
INTRODUCCION
ftul CYLINDERD/EKSEL
CYLINDER COVER culasse de cylindre
CULATA DE CILINDRO
^ STEMPEL M/ STANG OG PAKDASE
PISTON WITH ROD AND STUFFING BOX PISTON AVEC TIGE ET BOITE A GARNITURES
PISTON CON VASTAGO Y CAJA DE EMPAQUETADO
CYLINDER LINER AND CYLINDERFORING OG CYLINDERSM0RING
CYLINDER LUBRICATION CHEMISE DE CYLINDRE GRAISSAGE DE CYLINDRE
CAM ISA Y LUBRICACION DEL CILINDRO
CROSSHEAD WITH CONNECTING ROD KRYDSHOVED M/ PLEJLSTANG
CROSSE AVEC BIELLE
CRUCETA CON BIELA
PRAMIfQUAFT TUD| ICT RPADIKIP KRUMTAPAKSEL, TRYKLEJE OG T0RNEAPPARAT
UKANIxoliArT, TnHUbT DCAKIlMu ARBRE-MANIVELLES, PALIER DE BUTEE ET VIREUR
AND TURNING GEAR eje cigUenal, chumacera de empuje
Y APARATO VIRADOR
MEKANISK STYRINGSBEV/EGELSE
MECHANICAL CONTROL GEAR mouvement de commande mecanique
ELEMENTOS DEL ACCIONAMIENTO MECANICO
STARTING AIR SYSTEM circuit d’air de demarrage
SISTEMA DE AIRE DE ARRANQUE
EXHAUST VALVE UDSTR0MNINGSVENTIL
SOUPAPE D’ECHAPPEMENT
VALVULA DE ESCAPE
FUEL OIL SYSTEM BR/ENDSELSOLIESYSTEM
CIRCUIT A COMBUSTIBLE
SISTEMA DE COMBUSTIBLE
TURBOCHARGER SYSTEM TURBOLADERSYSTEM
ENSEMBLE DE TURBOSOUFFLANTES
SISTEMA DE TURBOSOPLANTES
SAFETY EQUIPMENT SIKKERHEDSUDSTYR
EQUIPEMENT DE SURETE
DISPOSITIVOS DE SEGURIDAD
SAMLING AF STORE DELE MONTAGE DE GROSSES PIECES MONTAJE DE PIEZAS GRANDES
GENERELT WERKT0J OUTILLAGE D’UTILISATION GENERALE HERRAMIENTAS PARA USO GENERAL
ASSEMBLY OF LARGE PARTS
GENERAL TOOLS
006
5/K/L90-80-70 CHECKING fm MAINTENANCE PROGRAWC 90Q-1
60-50MC/HCE and list of working procedures Edition 25
Page 1 (8)

The Checking and Maintenance Programme

The Checking and Maintenance Programme indicates the intervals at which it is deemed appropriate to inspect the individual components of the engine and to carry out overhauls, if necessary, based on the engine condition or on time criteria.
The procedures contained in the instruction book are arranged in a logical order, and the following Checking and Maintenance Programme can be used as a table of contents.
The stated "Normal hours of service" are only to be used as a guidance, as difference in the actual service conditions, the quality of the fuel oil, lubricating oil, treatment of cooling water, etc. will decisively influence the actual service results, and thus the intervals between necessary overhauling.
Design modifications may necessitate a revision of the instructions, and in that case the revised instructions and changed overhauling intervals, if any, will apply and supersede those originally issued (see e.g. our Service Letters).
Under "Procedure" the word "Replacement" has been used also:
1. Where exchange to another ready-made spare part will shorten the stop time of the main engine considerably, for instance by mounting another piston complete with piston rings and stuffing box.
2. Where overhaul and replacement to a new spare part is the same procedure as, for instance, inside inspection of piston crown (procedure No. 902-4.1).
Thus "Replacement" to a new spare part usually only takes place due to wear or possible damage.
The procedures are divided into three categories:
A. Condition checking procedures, marked under the heading "Normal hours of service" by C, deal with the service condition of a number of engine components, and form the basis for estimating whether further overhauling is necessary. In a number of cases the condition checking procedures refer to Volume 1 "OPERATION" in which more detailed descriptions and working procedures can be found.
Where a procedure number is stated mder the heading "Related procedure", it will be appropriate to carry out this procedure at the same time.
B. Condition-based overhauling procedures are those procedures which under the heading "Normal hours of service" are marked by 0, and opposite which, under the heading "Overhaul to be based on procedure No.", a procedure number is stated.
This procedure number normally refers to one of the above condition checking procedures which form the basis of the overhaul. For this reason, the intervals stated are for guidance only.
Where several procedures are to be carried out on the sane estimation basis, and these belong together with regard to the work, this is stated under the heading "Related procedure".
C. Time-based overhauling procedures, also marked by 0 under the headings "Normal hours of service" or "Based on observations", are the procedures where an actual basis for estimation is lacking. It is recommended, therefore, to carry out these procedures at the overhauling intervals stated as a basis.
Where a symbol 0 or C is indicated inder the heading "Based on observations"-* this is due to the fact that special service conditions may make checking or overhauling necessary beyond the actual programme.
Rating: 4.6 / 5 (Votes: 19)
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