01 6 48 boll wartsila

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Services, Wärtsilä Finland Oy Engine section Engine type Ref. Date Issue Document No. Page 18 Lubricating oil system W20 WFI–S 22-Apr-2010 02 2018Q013 1(2)+12 Wärtsilä Finland Oy P.O. Box 252 (Tarhaajantie 2) Telecop. +358 10 709 1847 Tel. +358 10 709 0000 Business ID 0773744-3 Services, Vaasa FIN-65101 Vaasa, Finland Telecop. +358 10 709 1380 Registered Office: Vaasa Wärtsilä Finland Oy P.O. Box 50 (Stålarminkatu 45) Telecop. +358 10 709 3279 Tel. +358 10 709 0000 Services, Turku FIN-20811 Turku, Finland Telecop. +358 10 709 3410 OPERATING INSTRUCTION Instructions for automatic lubricating oil filters Engine type This bulletin concerns a limited number of WÄRTSILÄ ® 20 engines were the Parker PTL12 automatic lubricating oil filter has been replaced with a Boll & Kirch 6.48 filter, see Service Letter 2018S040: Retrofitting of automatic lubricating oil filters on WÄRTSILÄ ® 20 engines. Recommendation Update the engine documentation with the enclosed pages: x Replace chapter 18L-200649-00 or 18L-200617-00 for Parker PTL12 with 18N-200717-00 for Boll & Kirch 6.48 in the engine instruction manual. x Replace Spare Part List 20-471-0017 or 20-471-0021 for Parker PTL12 with 20-471-0018 for Boll & Kirch 6.48 in the engine spare part catalogue. Letter distribution Wärtsilä Services Network and operators/owners of engines concerned. Letter validity Until further notice. Enclosures x Chapter 18N-200717-00, 4 pages x Spare Part List 471-0018, edition B, 8 pages

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Page 1: 01 6 48 BOLL Wartsila

Services, Wärtsilä Finland Oy

Engine section Engine type Ref. Date Issue Document No. Page 18 Lubricating oil system W20 WFI–S 22-Apr-2010 02 2018Q013 1(2)+12

Wärtsilä Finland Oy P.O. Box 252 (Tarhaajantie 2) Telecop. +358 10 709 1847 Tel. +358 10 709 0000 Business ID 0773744-3 Services, Vaasa FIN-65101 Vaasa, Finland Telecop. +358 10 709 1380 Registered Office: Vaasa

Wärtsilä Finland Oy P.O. Box 50 (Stålarminkatu 45) Telecop. +358 10 709 3279 Tel. +358 10 709 0000 Services, Turku FIN-20811 Turku, Finland Telecop. +358 10 709 3410

OPERATING INSTRUCTION

Instructions for automatic lubricating oil filters Engine type This bulletin concerns a limited number of WÄRTSILÄ® 20 engines were the

Parker PTL12 automatic lubricating oil filter has been replaced with a Boll & Kirch 6.48 filter, see Service Letter 2018S040: Retrofitting of automatic lubricating oil filters on WÄRTSILÄ® 20 engines.

Recommendation Update the engine documentation with the enclosed pages:

Replace chapter 18L-200649-00 or 18L-200617-00 for Parker PTL12 with 18N-200717-00 for Boll & Kirch 6.48 in the engine instruction manual.

Replace Spare Part List 20-471-0017 or 20-471-0021 for Parker PTL12 with 20-471-0018 for Boll & Kirch 6.48 in the engine spare part catalogue.

Letter distribution Wärtsilä Services Network and operators/owners of engines concerned.

Letter validity Until further notice.

Enclosures Chapter 18N-200717-00, 4 pages

Spare Part List 471-0018, edition B, 8 pages

Page 2: 01 6 48 BOLL Wartsila

Services, Wärtsilä Finland Oy Operating Instruction

Issue Document No. Page 02 2018Q013 2(2)+12

2010 Wärtsilä Finland Oy – All rights reserved

No part of this publication may be reproduced or copied in any form or by any means (electronic, mechanical, graphic, photocopying, recording, taping or other information retrieval systems) without the prior written permission of the copyright holder. Wärtsilä Finland Oy makes no representation, warranty (express or implied) in this publication and assumes no responsibility for the correctness, errors or omissions for information contained herein. Information in this publication is subject to change without notice.

Unless otherwise expressly set forth, no recommendation contained in this document is to be construed as provided due to a defect in the engine, but merely as an improvement of the engine and/or the maintenance procedures relating thereto. Any actions by the owner/operator as a result of the recommendations are not covered under any warranty provided by Wärtsilä and such actions will thus be at the owners/operators own cost and expense.

NO LIABILITY WHETHER DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL, IS ASSUMED WITH RESPECT TO THE INFORMATION CONTAINED HEREIN. THIS PUBLICATION IS CONFIDENTIAL AND INTENDED FOR INFORMATION PURPOSES ONLY.

Page 3: 01 6 48 BOLL Wartsila

18N.1 Lubricating oil automatic filter

18N.1.1 Description

The filter is full flow filter, i.e. the whole oil flow passes through thefilter.

Lube oil filter

1. Turbine, 2. Filter candle, 3. Central connection pipe, 4. Safety filter,5. Gear unit, 6. Gear, 7. Flushing bush, 8. Screw plug, 9. Cover plate,10. Overflow valve, 11. Screw plug, 12. Coupling pipe, 13. Cover, 14. End plate, 15. Filter plate, 16. Flushing arm,bottom, 17. Flushingarm, top.

9

2

14

11

3

1

4

13

12

2

16

15

6

5

7

8

10

Flushing oil outlet

Inlet

17

Fig 18-1 20AP1810

20-200717 Automatic filter Appendix 18N

BOLL & KIRCH 6.48 18K - 1

Page 4: 01 6 48 BOLL Wartsila

The arrows in Fig 18-1 show the flow through the filter. At first, theoil flows through the inlet flange and turbine (1) to the bottom end ofthe filter candles (2); a partial stream of about 50 % is passed throughthe central connection tube (3) to the top end of the filter candles. Thismeans that the oil flows through the filter candles at both ends frominside outwards and most of the dirt particles are retained in the insideof the candles. The oil filtered in this way now passes through the safetyfilter (4) to the filter outlet. The flow energy drives the turbine (1) installed in the inlet flange.The high speed of the turbine is reduced by the worm gear unit (5) andgear (6) to the lower speed required for turning the flushing arms (16,17). The individual filter candles are now connected successively to theflushing line by means of continuosly rotating flushing arms (16, 17)and the flushing bush (7). Flow during back-flushing, from outside of the candles to the insidethrough flushing arms in to the flushing line. The resultant turbulentstream in the longitudial direction of the filter candles (cross-flow backflushing) and the counter flow back-flushing through the filter candlesresult in a particularly effective and lasting back-flushing action. The lower pressure in the interior of the filter candles during theback-flushing operation (connected with the centrifugal filter) and thehigher pressure (operating pressure) outside the filter candles producea counter-flow through the mesh from the clean filter side through thedirty filter side to the centrifugal filter. Should for any reason the filter candles no longer be adequatelycleaned, the overflow valves (10) are opened at a differential pressureof 2 bar upwards and the oil is only filtered through the safety filter (4). However, before this situation arises, the installed LO differentialpressure switch PDS243 emits an alarm, at 1.5 bar differential pres-sure, to the alarm system. At the same time the visual differentialpressure indicator (located after the LO-filter) becomes red. The causemust now be localised and remedied. The filter may only be operated in this emergency condition for a shorttime (opened overflow valves and differential pressure alarm). Pro-longed operation in this mode can result in damage to downstreamcomponents. The overflow valves are closed under normal operating conditions,even during start-up at lower fluid temperatures.

Appendix 18N Automatic filter 20-200717

18K - 2 BOLL & KIRCH 6.48

Page 5: 01 6 48 BOLL Wartsila

18N.1.2 Maintenance

Even with automatic filters inspections and maintenance must beperformed at regular intervals. It is extremely important to remember that in spite of constantback-flushing the mesh may become clogged over the course of time,depending on the quality of the oil. In order to maintain trouble-free operation, the following aspects areto be observed during maintenance:

1 Check filter and connections for leakages.

2 Conduct visual inspection of all filter candles once a year.

Note! Should a higher differential pressure occur beforehand, all the filtercandles (2) and the safety filter (4) must be checked and, if neces-sary, cleaned or the candles are to be replaced by new ones.

A highly contaminated safety filter is a sign of prolonged operation withdefective or clogged filter candles and thus (from a differential pressureof 2 bar upwards) opened overflow valves. It is imperative to check these components.

3 Check the ease of movement of the worm gear unit (5), theturbine (1) including gear (6) with flushing arms (16, 17).To do this the cover (13) and the complete filter element pack mustbe removed.

4 Replace the O-rings as and when required. It is advisable toreplace all static seals during an overhaul and when opened.

18N.1.2.1 Filter candle inspection and cleaning1 Drain the filter , open the screw plug (11) then open the screw

plug (8). Do not refill the system with drained oil because itis very dirty.

2 Remove the cover (13) by opening the nuts.

3 Pull the entire filter element including flushing arms (16, 17)and gear (6) out of the housing.

Note! Make sure that the exposed gear (6) is not damaged.

4 Remove the topp flushing arm (17) and the upper cover plate(9)

5 Remove the end plate (14) by opening the screws.

6 The filter candles (2) and safety filter (4) can now be removed.

7 Place the filter candles and the safety filter in a suitablecleaner or diesel oil, max. soaking time 24 hours.

20-200717 Automatic filter Appendix 18N

BOLL & KIRCH 6.48 18K - 3

Page 6: 01 6 48 BOLL Wartsila

8 After immersing clean them from the outside inwards usinghigh pressure.It must be ensured that the filter candles are cleaned at a pressure ofmax. 60 bar and at a minimum distance of cleaning nozzle of 20 cm.Otherwise, damage to the mesh is possible. To get a optimal cleaning effect it is recommended to use special high-pressure cleaning unit (Part No. 471345) and cleaner (Part No.471346). During cleaning the candles must be held so that the dirt is able todrain unhindered.

9 Clean the parts and check the overflow valves. Replace wornparts if necessary.

10 Mount the safety filter (4) and the end plate (14). Note theposition of the guiding pin.

11 Before the filter candles are installed, they must be visuallyinspected and damaged candles replaced with new ones.

Note! Defective filter candles must not be used again.

12 Mount the filter candles in position by chamfered end towardsthe bottom flushing arm.Before installation of the entire filter element, the ease of motion ofthe flushing facility must be checked. The bottom flushing arm (16) must not grind against the bottomfilter plate (15) .

13 Push the entire filter element into the housing. By slightlyturning the coupling pipe (12), the gear (6) is forced into the drivepinion of the gear unit (5).

Re-assemble the filter in the reverse sequence to that described above.

Appendix 18N Automatic filter 20-200717

18K - 4 BOLL & KIRCH 6.48

Page 7: 01 6 48 BOLL Wartsila

WÄRTSILÄ 20 Spare Parts List 471-0018

Edition: BPage: 1(7)

Updated: 01.07.2009

Lubricating oil filter

471 056

Qty Wt. Qty Wt.Part No. Description [Pcs] [Kg] Part No. Description [Pcs] [Kg]

471 056 Lubricating oil filter 1 -

Page 8: 01 6 48 BOLL Wartsila

471-0018 Spare Parts List WÄRTSILÄ 20

Edition: BPage: 2(7)Updated: 01.07.2009

Lubricating oil filter

471 057 471 088

471 108 471 190

471 192

471 189

471 590

471 188

471 594

471 589

471 602471 088

471 070

471 108

471 062

471 066

471 596

471 592

471 064

471 583

471 085

471 086

471 101

471 103

471 084

471 077

471 063

471 060

471 072

X

471 193

471 591

471 194

471 195

A

Section A-A

A

Qty Wt. Qty Wt.Part No. Description [Pcs] [Kg] Part No. Description [Pcs] [Kg]

471 057 Cover 1 -471 060 Joining tube 1 2.3471 062 Plate 1 3.1471 063 Filter element 19 -471 064 Filter 1 1.2471 066 Plate 1 1.0471 070 Gearbox housing 1 -471 072 Turbine wing 1 -471 077 Valve 4 -471 084 Pin 1 -471 085 Screw 8 -471 086 Nut 8 -471 088 Screw 3 -471 101 O-ring 1 -471 103 O-ring 2 -471 108 Gasket 3 -471 188 Tension ring 1 -471 189 Inspection glas 1 -471 190 Gasket 1 -471 192 O-ring 1 -471 193 Screw 3 -471 194 Washer 3 -

471 195 Screw 2 -471 583 Flushing arm 1 0.3471 589 O-ring 3 -471 590 O-ring 1 -471 591 Safety device 1 1.0471 592 Coupling pipe 1 -471 594 Plug 1 -471 596 Screw 3 -471 602 Screw 4 -

Page 9: 01 6 48 BOLL Wartsila

WÄRTSILÄ 20 Spare Parts List 471-0018

Edition: BPage: 3(7)

Updated: 01.07.2009

Lubricating oil filter

471 593471 589 Detail X

471 090

471 104

471 605

471 582

471 597

471 102

471 598

471 073

471 074

471 094

471 099

471 109

471 091

471 081

471 601

471 584

471 593

471 061

471 103

471 604

471 588

471 595

471 603

471 606

471 095

471 075

471 199

471 080

471 083

Qty Wt. Qty Wt.Part No. Description [Pcs] [Kg] Part No. Description [Pcs] [Kg]

471 061 Plate 1 3.1471 073 Gear wheel 1 0.4471 074 Bush 1 0.3471 075 Bush 1 0.1471 080 Spring 1 -471 081 Ball bearing 2 0.3471 083 Pin 1 -471 090 Screw 6 -471 091 Screw 6 -471 094 Screw 1 -471 095 Screw 2 -471 099 Washer 1 -471 102 O-ring 1 -471 103 O-ring 2 -471 104 O-ring 38 -471 109 Nut 1 -471 199 Screw 1 -471 582 Flushing arm 1 0.3471 584 Flushing canal shaft 2 -471 588 Mounting bracket 2 -471 589 O-ring 3 -471 593 Locking ring 6 -

471 595 O-ring 2 -471 597 Washer 2 -471 598 Support disc 2 -471 601 Ball bearing 2 0.3471 603 Guide 1 -471 604 Screw 1 -471 605 Guide ring 1 -471 606 Coupling 1 -

Page 10: 01 6 48 BOLL Wartsila

471-0018 Spare Parts List WÄRTSILÄ 20

Edition: BPage: 4(7)Updated: 01.07.2009

Lubricating oil filter

471 108

471 192

471 590

471 188

471 591

471 594

471 589

471 597

471 598

471 595

471 589

471 588

471 593

471 601

471 081

471 101

471 190

471 057

471 086

471 085 471 104

471 103

471 063

471 060

471 088

471 189

471 194

471 193

471 195

471 583

471 596

471 584

471 084

471 066

471 062

471 090

471 064

471 077

471 592

Qty Wt. Qty Wt.Part No. Description [Pcs] [Kg] Part No. Description [Pcs] [Kg]

471 057 Cover 1 -471 060 Joining tube 1 2.3471 062 Plate 1 3.1471 063 Filter element 19 -471 064 Filter 1 1.2471 066 Plate 1 1.0471 077 Valve 4 -471 081 Ball bearing 2 0.3471 084 Pin 1 -471 085 Screw 8 -471 086 Nut 8 -471 088 Screw 3 -471 090 Screw 6 -471 101 O-ring 1 -471 103 O-ring 2 -471 104 O-ring 38 -471 108 Gasket 3 -471 188 Tension ring 1 -471 189 Inspection glas 1 -471 190 Gasket 1 -471 192 O-ring 1 -471 193 Screw 3 -

471 194 Washer 3 -471 195 Screw 2 -471 583 Flushing arm 1 0.3471 584 Flushing canal shaft 2 -471 588 Mounting bracket 2 -471 589 O-ring 3 -471 590 O-ring 1 -471 591 Safety device 1 1.0471 592 Coupling pipe 1 -471 593 Locking ring 6 -471 594 Plug 1 -471 595 O-ring 2 -471 596 Screw 3 -471 597 Washer 2 -471 598 Support disc 2 -471 601 Ball bearing 2 0.3

Page 11: 01 6 48 BOLL Wartsila

WÄRTSILÄ 20 Spare Parts List 471-0018

Edition: BPage: 5(7)

Updated: 01.07.2009

Lubricating oil filter

471 099

471 109

471 072 471 083 471 088

471 199

471 095

471 073

471 595

471 582

471 598

471 588

471 593

471 108

471 070

471 605

471 094

471 091

471 081

471 601

471 603

471 597

471 090

471 584

471 604

471 589

471 606

471 075

471 080

471 074

471 103

471 061

471 102

Qty Wt. Qty Wt.Part No. Description [Pcs] [Kg] Part No. Description [Pcs] [Kg]

471 061 Plate 1 3.1471 070 Gearbox housing 1 -471 072 Turbine wing 1 -471 073 Gear wheel 1 0.4471 074 Bush 1 0.3471 075 Bush 1 0.1471 080 Spring 1 -471 081 Ball bearing 2 0.3471 083 Pin 1 -471 088 Screw 3 -471 090 Screw 6 -471 091 Screw 6 -471 094 Screw 1 -471 095 Screw 2 -471 099 Washer 1 -471 102 O-ring 1 -471 103 O-ring 2 -471 108 Gasket 3 -471 109 Nut 1 -471 199 Screw 1 -471 582 Flushing arm 1 0.3471 584 Flushing canal shaft 2 -

471 588 Mounting bracket 2 -471 589 O-ring 3 -471 593 Locking ring 6 -471 595 O-ring 2 -471 597 Washer 2 -471 598 Support disc 2 -471 601 Ball bearing 2 0.3471 603 Guide 1 -471 604 Screw 1 -471 605 Guide ring 1 -471 606 Coupling 1 -

Page 12: 01 6 48 BOLL Wartsila

471-0018 Spare Parts List WÄRTSILÄ 20

Edition: BPage: 6(7)Updated: 01.07.2009

Lubricating oil filter

471 126

471 101

471 605

471 589

471 179

471 190 471 590

471 192

471 102

471 104

471 108

471 595

471 103

Qty Wt. Qty Wt.Part No. Description [Pcs] [Kg] Part No. Description [Pcs] [Kg]

471 126 Sealing set 1 0.3 471 101 O-ring 1 - 471 102 O-ring 1 - 471 103 O-ring 2 - 471 104 O-ring 38 - 471 108 Gasket 3 - 471 179 O-ring 1 - 471 190 Gasket 1 - 471 192 O-ring 1 - 471 589 O-ring 3 - 471 590 O-ring 1 - 471 595 O-ring 2 - 471 605 Guide ring 1 -

Page 13: 01 6 48 BOLL Wartsila

WÄRTSILÄ 20 Spare Parts List 471-0018

Edition: BPage: 7(7)

Updated: 01.07.2009

Lubricating oil filter

471 608

471 101

471 104

471 102

Qty Wt. Qty Wt.Part No. Description [Pcs] [Kg] Part No. Description [Pcs] [Kg]

471 608 Sealing set 1 - 471 101 O-ring 1 - 471 102 O-ring 1 - 471 104 O-ring 38 -

Page 14: 01 6 48 BOLL Wartsila

Spare Parts List WÄRTSILÄ 20

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