Description |
Code Identification for Instruments |
500.20 |
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Page 1 (3) |
Edition 01H |
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L23/30H
Symbol explanation:
TI
Measuring device
40
Local reading
Temperature Indicator
No 40 *
PI 22
TAH 12
08028-0D/H5250/94.08.12
Measuring device
Sensor mounted on engine/unit
Reading/identification mounted in a panel on the engine/unit
Pressure Indicator
No 22 *
Measuring device
Sensor mounted on engine/unit
Reading/identification outside the engine/unit
Temperature Alarm High
No. 12 *
* Refer to standard location and text for instruments on the following pages.
Specification of letter code for measuring devices
1st letter |
Following letters |
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F |
Flow |
A |
Alarm |
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L |
Level |
D |
Differential |
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P |
Pressure |
E |
Element |
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S |
Speed |
H |
High |
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T |
Temperature |
I |
Indicating |
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U |
Voltage |
L |
Low |
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V |
Viscosity |
S |
Switching, Stop |
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X |
Sound |
T |
Transmitting |
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Z |
Position |
X |
Failure |
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96.02 - ES1U-G
500.20 |
Code Identification for Instruments |
Description |
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Edition 01H |
Page 2 (3) |
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L23/30H
Standard Text for Instruments
Diesel engine/Alternator
LT Water System
01 |
inlet to air cooler |
05 |
outlet from alternator |
02 |
outlet from air cooler |
06 |
outlet from fresh water cooler (SW) |
03 |
outlet from lub. oil cooler |
07 |
inlet to lub. oil cooler |
04 |
inlet to alternator |
08 |
inlet to fresh water cooler (SW) |
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09 |
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HT Water System |
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10 |
inlet to engine |
14B FW outlet air cooler |
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10A |
FW inlet to engine |
15 |
outlet HT system |
11 |
outlet each cylinder |
16 |
outlet turbocharger |
12 |
outlet from engine |
17 |
outlet fresh water cooler |
13 |
inlet to HT pump |
18 |
inlet fresh water cooler |
14 |
inlet HT air cooler |
19A |
inlet prechamber |
14A |
FW inlet air cooler |
19B outlet prechamber |
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Lubricating Oil System |
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20 |
inlet to cooler |
25 |
prelubricating |
21 |
outlet from cooler / inlet to filter |
26 |
inlet rocker arms and roller guides |
22 |
outlet from filter / inlet to engine |
27 intermediate bearing / alternator bearing |
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23 |
inlet to turbocharger |
28 |
level in base frame |
24 |
sealing oil - inlet engine |
29 |
main bearings |
Charging Air System |
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30 |
inlet to cooler |
35 |
surplus air inlet |
31 |
outlet from cooler |
36 |
inlet to turbocharger |
32 |
jet assist system |
37 |
charge air from mixer |
33 |
outlet from TC filter / inlet to TC compressor |
38 |
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34 |
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39 |
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Fuel Oil System |
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40 |
inlet to engine |
45 |
fuel-rack position |
41 |
outlet from engine |
46 |
inlet prechamber |
42 |
leakage |
47 |
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43 |
inlet to filter |
48 |
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44 |
outlet sealing oil pump |
49 |
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08028-0D/H5250/94.08.12
96.02 - ES1U-G
Description |
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Code Identification for Instruments |
500.20 |
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Page 3 (3) |
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Edition 01H |
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L23/30H |
Cooling Oil System |
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50 |
inlet to fuel valves |
55 |
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51 |
outlet from fuel valves |
56 |
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52 |
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57 |
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53 |
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58 |
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54 |
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59 |
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Exhaust Gas System |
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60 |
outlet cylinder |
65 |
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61 |
outlet turbocharger |
66 |
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62 |
inlet turbocharger |
67 |
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63 |
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68 |
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64 |
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69 |
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Compressed Air System |
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70 |
inlet to engine |
75 |
microswitch for turning gear |
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71 |
inlet to stop cylinder |
76 |
inlet turning gear |
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72 |
inlet to balance arm unit |
77 |
waste gate pressure |
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73 |
control air |
78 |
inlet to sealing oil system |
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74 |
inlet to reduction valve |
79 |
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Load Speed
08028-0D/H5250/94.08.12
80
81 overspeed
82
83
84
Miscellaneous
91natural gas - inlet to engine
92oil mist detector
93knocking sensor
94cylinder lubricating
85 microswitch for overload
86
87
88index - fuel pump
89turbocharger speed
90engine speed
95voltage
96switch for operating location
96.02 - ES1U-G
Description |
Introduction to Planned Maintenance Programme |
500.24 |
Page 1 (1) |
Edition 02H |
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General
The overhaul intervals are based on operation on a specified fuel oil quality at normal service output, which means 70-100% of MCR.
In the long run, it is not possible to obtain a secure and optimal economical running without an effective maintenance system.
With the structure and amount of information in the maintenance programme, it can be integrated in the entire ship's/power station's maintenance system or it can be used separately.
The crux of the maintenance system is the key diagram, see page 500.25, indicating the inspection intervals for the components/systems, so that the crew can make the necessary overhauls, based on the engines' condition and/or the time criteria.
The stated recommended intervals are only for guidance as different service conditions, the quality of the fuel oil and the lubricating oil, treatment of the cooling water, etc, will decisively influence the actual service results and thus the intervals between necessary overhauls.
L23/30H
4. Related procedures - indicates other works, depending on this work - or works which would be expedient to carry out.
5. Indicates x number of men in x number of hours for accomplishing the work.
The stated consumption of hours is only intended as a guide.
Experience with the specific station/crew may lead to a bringing up-to-date.
6. Refers to data, which are required for carrying out the work.
7. Special tools, which must be used. Please note that not all tools are standard equipment.
8. Various requisite hand tools.
9. Indicates the components/parts, which it is advisible to replace during the maintenance work. Please note, that this is a condition for the intervals stated.
08028-0D/H5250/94.08.12
Experience with the specific plant/crew is to be used for adjustment of time between overhaul. Further it is to be used for adjusting the timetable stated for guidance in the working cards.
Working Cards
Each of the working cards can be divided into two: a front page and one or several pages, describing and illustrating the maintenance work.
The front page indicates the following:
1. Safety regulations, which MUST be carried out before the maintenance work can start.
2. A brief description of the work.
3. Reference to work, which must be carried out, if any, before the maintenance work can start.
1 |
7 |
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8 |
4 |
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9 |
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6 |
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Fig 1. Guidance instruction for working cards.
96.02 - ES0S-G
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Description |
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Planned Maintenance Programme |
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500.25 |
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Page 1 (4) |
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Edition 01H |
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L23/30H |
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720/750 RPM |
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new/Check partsoverhauled hoursafter |
Time Between Overhaul |
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Working |
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Description |
l = |
Overhaul to be carried out |
50 |
200 |
2000 |
8000 |
16000 |
32000 |
Daily |
Weekly |
Monthly |
month3rd |
Observations |
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Card |
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n = |
Check the condition |
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No |
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Operating of Engine: |
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Readings of data for engine and alternator with refe- |
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rence to "Engine Performance Data", section 502.01 ...... |
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n |
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502-01.00 |
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Cylinder Head: |
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Inlet and exhaust valve - overhaul and regrinding of |
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spindle and valve seat |
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505-01.10 |
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Inspection of inlet, exhaust valves and valve guide ........ |
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n |
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505-01.05 |
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Check of valve rotators' rotation during engine rotation.... |
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n |
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505-01.05 |
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Sleeve for fuel injector .................................................... |
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n |
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505-01.30 |
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Safety valve - overhaul and adjustment of opening |
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pressure .......................................................................... |
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n |
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505-01.25 |
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Indicator valve ................................................................ |
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n |
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n |
505-01.26 |
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...............Cylinder head cooling water space - inspection |
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n |
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505-01.45 |
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Cylinder head nut - retightening ....................................... |
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200 |
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505-01.40 |
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Piston, Connecting Rod and Cylinder Liner: |
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Inspection of piston ......................................................... |
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n |
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506-01.10 |
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Piston ring and scraper ring ............................................ |
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l |
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506-01.10 |
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Piston pin and bush for connecting rod - check of |
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clearance ........................................................................ |
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506-01.15 |
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....................Connecting rod - measuring of big-end bore |
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506-01.15 |
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................................Inspection of big-end bearing shells |
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506-01.16 |
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0D/H5250/94.08.12 |
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Connecting rod - retightening ........................................... |
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200 |
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506-01.25 |
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Camshaft and Camshaft Drive: |
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506-01.35 |
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...............Cylinder liner - cleaning, honing and measuring |
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Cylinder liner removed - check the water space and |
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wear ring in frame ........................................................... |
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506-01.40 |
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08028- |
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Camshaft - Inspection of gear wheels, bolts, connections |
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507-01.00 |
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etc. ................................................................................. |
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200 |
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.....................Camshaft bearing - inspection of clearance |
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507-01.05 |
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....................Camshaft adjustment - check the condition |
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507-01.20 |
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..........................Lubrication of camshaft bearing - check |
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507-01.00 |
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96.02 - ES0U
500.25 |
Planned Maintenance Programme |
Description |
Edition 01H |
Page 2 (4) |
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L23/30H
720/750 RPM
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new/Check partsoverhauled hoursafter |
Time Between Overhaul |
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Working |
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Description |
l = |
Overhaul to be carried out |
50 |
200 |
2000 |
8000 |
16000 |
32000 |
Daily |
Weekly |
Monthly |
month3rd |
Observations |
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Card |
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Check the condition |
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Operating Gear for Inlet Valves, Exhaust Valves and |
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Fuel Injection Pumps: |
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Roller guide for valve gear ............................................... |
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508-01.00 |
Valve gear - valve bridge, spring, push rod, etc .............. |
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508-01.10 |
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Roller guide for fuel injection pump |
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508-01.05 |
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Roller guide housing ........................................................ |
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508-01.10 |
Inlet and exhaust valve - check and adjustment of valve |
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508-01.10 |
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clearance ........................................................................ |
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Lubricating of operating gear - check............................... |
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508-01.00 |
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508-01.05 |
Control and Safety System, Automatics and |
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Instruments: |
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Safety, alarm and monitoring equipment ......................... |
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509-01.00 |
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Lambda controller - adjustment ....................................... |
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509-10.00 |
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Governor - check oil level, see governor instruction |
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book, section 509 ........................................................... |
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Crankshaft and Main Bearing: |
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Checking of main bearings alignment, (autolog) .............. |
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510-01.00 |
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Inspection af main bearing .............................................. |
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510-01.05 |
Inspection of guide bearing ............................................. |
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510-01.10 |
Vibration damper - check the condition ........................... |
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510-04.00 |
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Lubricating of gear wheel for lub. oil pump and cooling |
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water pump etc. .............................................................. |
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Counterweight - retightening, see page 500.40 ................ |
200 |
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Mainand guide bearing cap - retightening ...................... |
200 |
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510-01.05 |
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510-01.10 |
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08028-0D/H5250/94.08.12
96.02 - ES0U
Description |
Planned Maintenance Programme |
500.25 |
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Page 3 (4) |
Edition 01H |
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08028-0D/H5250/94.08.12
Description |
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Overhaul to be carried out |
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Check the condition |
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Engine Frame and Baseframe:
Holdingdown bolts - retightening, see page 500.40 ..........
Bolts between engine frame and base frame -
retightening, see page 500.40 .........................................
For flexible mounted engines - check anti-vibration
mountings .......................................................................
Safety cover - function test .............................................
Turbocharger System:
Wet cleaning of turbine side ............................................
Water washing of compressor side..................................
Cleaning of air filter - compressor side (see turbo-
charger instruction book) .................................................
Turbocharger complete - dismantling, cleaning, inspec-
tion etc. (see turbocharger instruction book) ....................
Charging air cooler - cleaning and inspection...................
Charging air cooler housing - draining ..............................
Exhaust pipe - compensator ...........................................
Compressed Air System:
Air starter motor - dismantling and inspection .................
Function test - main starting valve, starting valve, main
valves and emergency start valve ...................................
Dirt separator - dismantling and cleaning .........................
Muffler - dismantling and cleaning ...................................
Compressed air system - draining ...................................
Compressed air system - check of the system ...............
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L23/30H |
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720/750 RPM |
new/Check partsoverhauled hoursafter |
Time Between Overhaul |
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Working |
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50 |
200 |
2000 |
8000 |
16000 |
32000 Daily |
Weekly |
Monthly |
month3rd |
Observations |
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Card |
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No |
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200 |
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200 |
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519-03.00 |
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511-01.00 |
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512-15.00 |
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512-05.00 |
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n 512-01.00 |
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n 513-01.30
n 513-01.40
l l
l 513-01.90 n 513-01.90
96.02 - ES0U
500.25 |
Planned Maintenance Programme |
Description |
Edition 01H |
Page 4 (4) |
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L23/30H
720/750 RPM
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new/Check partsoverhauled hoursafter |
Time Between Overhaul |
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Working |
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Description |
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Overhaul to be carried out |
50 |
200 |
2000 |
8000 |
16000 |
32000 |
Daily |
Weekly |
Monthly |
month3rd |
Observations |
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Check the condition |
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Fuel Oil System and Injection Equipment: |
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Fuel oil filter - dismantling and cleaning ........................... |
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514-01.15 |
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Fuel oil feed pump .......................................................... |
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514-10.00 |
Fuel oil injection pump - dismantling and cleaning ........... |
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514-01.05 |
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Fuel injection valve - adjustment of opening pressure ..... |
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514-01.10 |
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Fuel oil high-pressure pipe - dismantling and check ........ |
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514-01.05 |
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Adjustment of the maximum combustion pressure .......... |
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514-05.01 |
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Fuel oil system - check the system ................................ |
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514-01.90 |
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Fuel oil - oil samples after every bunkering, see sec.504 |
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Lubricating Oil System: |
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Lubricating oil pump - engine-driven ................................ |
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515-01.00 |
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Lubricating oil filter - cleaning and exhange ..................... |
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515-01.10 |
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Lubricating oil cooler ....................................................... |
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515-06.00 |
Prelubricating pump - el. driven ....................................... |
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515-01.05 |
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Thermostatic valve ......................................................... |
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515-01.20 |
Centrifugal filter - cleaning and exhange of paper ............ |
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515-15.00 |
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Hand pump ..................................................................... |
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515-10.00 |
Lubricating oil - oil samples, see section 504 .................. |
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Lubricating oil system - check the system ...................... |
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515-01.90 |
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Cooling Water System: |
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Cooling water pump - engine-driven (sea water and |
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fresh water) ..................................................................... |
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516-04.00 |
Thermostatic valve ......................................................... |
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516-04.00 |
Cooling water system - check the system....................... |
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516-01.90 |
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Cooling water system - water samples, see sec. 504 ...... |
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08028-0D/H5250/94.08.12
96.02 - ES0U
Description |
Operation Data & Set Points |
500.30 |
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Page 1 (2) |
Edition 01H |
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08028-0D/H5250/94.08.12
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Normal Value at Full load |
Alarm Set point |
Autostop of engine |
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Lubricating Oil |
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System |
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TI 20 |
60-70° C |
TAH 20 |
90° C |
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Temp. before cooler |
SAE 30 |
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TI 20 |
65-75° C |
TAH 20 |
100° C |
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(outlet engine) |
SAE 40 |
TI 22 |
45-60° C |
TAH 22 |
75° C |
TSH 22 |
85° C |
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Temp. after cooler |
SAE 30 |
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TI 22 |
50-65° C |
TAH 22 |
85° C |
TSH 22 |
95° C |
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(inlet engine) |
SAE 40 |
PI 22 |
3-4 bar |
PAL 22 |
3 bar |
PSL 22 |
2.5 bar |
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Pressure after filter (inlet eng.) |
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Elevated pressure e.g. when |
PI 22 |
4-5 bar |
PAL 22 |
4 bar |
PSL 22 |
3.5 bar |
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centrifugal filter installed |
PDAH 21-22 |
0.5-1 bar |
PDAH 21-22 |
1.5 bar |
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Pressure drop across filter |
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PI 25 |
0.5-0.8 bar |
LAL 25 |
level switch |
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Prelubricating pressure |
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PI 23 |
1.1-1.3 bar |
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Pressure inlet turbocharger |
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LAL 28/LAH |
low/high level |
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Lub. oil level in base frame |
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TE 29 |
75-85° C |
28 |
95° C |
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Temp. main bearings |
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TAH 29 |
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Fuel Oil System |
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PI 40 |
2-3 bar |
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1.5 bar |
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Pressure after filter |
MDO |
PAL 40 |
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PI 40 |
(A) |
4 bar |
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HFO |
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PAL 40 |
leakage |
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Leaking oil |
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LAH 42 |
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Cooling Water System |
PI 01 |
1-2.5 bar |
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0.4 bar + (B) |
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Press. LT-system, inlet engine |
PAL 01 |
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PI 10 |
1-3.0 bar |
0.4 bar + (B) |
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Press. HT-system, inlet engine |
PAL 10 |
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TI 10 |
60-75° C |
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Temp. HT-system, inlet engine |
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TI 11 |
70-85° C |
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Temp. HT-system, outl. cyl. |
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units |
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TAH 12 |
90° C |
TSH 12 |
95° C |
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Temp. HT-system, outlet |
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max. 10° C |
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engine |
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Temp. raise across cyl. units |
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Exhaust Gas and Charge Air |
TI 62 |
425-475° C |
TAH 62 |
500° C |
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average ±50° C |
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Exh. gas temp. before TC |
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TDAH 60 |
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TI 61 |
275-350° C* |
500° C |
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Exh. gas temp. outlet cyl. |
TAH 61 |
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TI 61 |
320-390° C** |
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Exh. gastemp. after TC |
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PI 31 |
2-2.5 bar |
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Ch. air press. after cooler |
TI 31 |
35-55° C |
TAH 31 |
65° C (C) |
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Ch. air temp. after cooler |
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Compressed Air System |
PI 70 |
7-9 bar |
PAL 70 |
7 bar |
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Press. inlet engine |
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Speed Control System |
SI 90 |
720 rpm |
SAH 81 |
820 rpm |
SSH 81 |
820 rpm |
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SI 90 |
750 rpm |
855 rpm |
SSH 81 |
855 rpm |
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Engine speed |
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SAH 81 |
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SI 90 |
900 rpm |
1015 rpm |
SSH 81 |
1015 rpm |
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Engine speed |
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SAH 81 |
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Engine speed
Specific plants will not comprise alarm equipment and autostop for all parameters listed above. For specific plants additional parameters can be included. For remarks to some parameters, see overleaf.
* for 720/750 rpm ** for 900 rpm.
96.02 - ES1U
500.30 |
Operation Data & Set Points |
Description |
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Page 2 (2) |
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Edition 01H |
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L23/30H
Remarks to individual Parameters
A. Fuel Oil Pressure HFO-operation.
When operating on HFO, the system pressure must be sufficient to depress any tendency to gasification of the hot fuel.
The system pressure has to be adjusted according to the fuel oil preheating temperature.
B. Cooling Water Pressure, Alarm Set Points.
As the system pressure, in case of pump failure, will depend on the height of the expansion tank above the engine, the alarm set point has to be adjusted to 0.4 bar plus the static pressure.
08028-0D/H5250/94.08.12