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Mandatory Service Bulletin No. MSB-E4-031/1 Austro Engine GmbH Rudolf-Diesel-Strasse 11 A-2700 Wiener Neustadt Tel: +43 2622 23000 FAX: +43 2622 23000-2711
First Issue Date Rev. No. Revision Date Page 14 Jun 2021 1 01 07 2021 13-23 © 2021 by Austro Engine GmbH – AUSTRIA – www.austroengine.at
Fig. 21
Install the oil pump chain cover
Put the chain cover [02] in place on the oil pump and tighten the screws [01] (ISO8102-M6x20-10.9) (x2) with 12 Nm.
6. Install the Oil Sump according to the Maintenance Manual, Ch.79.
7. Replace the engine oil according to Maintenance Manual, Ch. 79.
8. Clean the working area.
9. Perform an Engine Ground Run. Refer to the Maintenance Manual, Ch.71.
10. Fill the completion form, §6 “Appendix” of the Service Bulletin [01] [02]
Mandatory Service Bulletin No. MSB-E4-031/1 Austro Engine GmbH Rudolf-Diesel-Strasse 11 A-2700 Wiener Neustadt Tel: +43 2622 23000 FAX: +43 2622 23000-2711
First Issue Date Rev. No. Revision Date Page 14 Jun 2021 1 01 07 2021 14-23 © 2021 by Austro Engine GmbH – AUSTRIA – www.austroengine.at
2.2.2 Accomplishment Instruction for p/n E4A-50-000-BHY
Make sure that the working area is clean.
Use clean gloves.
Make sure that no sand or dirt goes into the engine.
1. Replace the engine oil filter according to Maintenance Manual, Ch. 79. Visually examine the used Oil Filter for contamination and metal abrasion. If an abnormal condition is found (metal shavings exceeding 1.5 mm; concentratio n of particles; clogged filter), please contact Austro Engine for further instructions.
2. Remove the oil sump according to Maintenance Manual Ch.79, steps as required.
3. Remove the oil pump according to following steps:
Fig. 3B After removal of the oil sump
Fig. 4B Loosen two screws [01] that attach the chain cover [02] to the oil pump and remove the chain cover.
[02] [01]
Mandatory Service Bulletin No. MSB-E4-031/1 Austro Engine GmbH Rudolf-Diesel-Strasse 11 A-2700 Wiener Neustadt Tel: +43 2622 23000 FAX: +43 2622 23000-2711
First Issue Date Rev. No. Revision Date Page 14 Jun 2021 1 01 07 2021 15-23 © 2021 by Austro Engine GmbH – AUSTRIA – www.austroengine.at
Fig. 5B Remove the screw [03] that attaches the oil pump to the oil repellent.
Fig. 6B
Fig. 7B
Remove three screws [04] that attach the oil pump to the crankcase.
[03] [04] [04]
Mandatory Service Bulletin No. MSB-E4-031/1 Austro Engine GmbH Rudolf-Diesel-Strasse 11 A-2700 Wiener Neustadt Tel: +43 2622 23000 FAX: +43 2622 23000-2711
First Issue Date Rev. No. Revision Date Page 14 Jun 2021 1 01 07 2021 16-23 © 2021 by Austro Engine GmbH – AUSTRIA – www.austroengine.at
Fig. 8B
Fig. 9B
Fig. 10B
Loosen the oil pump chain gear from the oil pump chain.
Remove the oil pump.
Examine the oil pump for blockage.
Make sure that the pump gears move freely when turned by hand.
Removed oil pump (E4A-50-000-BHY)
In case of a blocked, and/or partially blocked, and/or damaged oil pump, please contact Austro Engine for further instructions.
NOTE: Removed oil pump must be always returned to Austro Engine, including the engine flight hours recorded at the time of replacement.
[04]
Mandatory Service Bulletin No. MSB-E4-031/1 Austro Engine GmbH Rudolf-Diesel-Strasse 11 A-2700 Wiener Neustadt Tel: +43 2622 23000 FAX: +43 2622 23000-2711
First Issue Date Rev. No. Revision Date Page 14 Jun 2021 1 01 07 2021 17-23 © 2021 by Austro Engine GmbH – AUSTRIA – www.austroengine.at
Fig. 11B
Fig. 12B Make sure that the circlips [07] (E4A-50- 300-801) [08] (E4A-50-400-801) used to secure both plugs on the oil pump is in the correct position.
[07] [08]
Mandatory Service Bulletin No. MSB-E4-031/1 Austro Engine GmbH Rudolf-Diesel-Strasse 11 A-2700 Wiener Neustadt Tel: +43 2622 23000 FAX: +43 2622 23000-2711
First Issue Date Rev. No. Revision Date Page 14 Jun 2021 1 01 07 2021 18-23 © 2021 by Austro Engine GmbH – AUSTRIA – www.austroengine.at
Fig. 13B
Fig. 14B
Discard the O-Ring (OR_16x3-ACM 70) between the oil pump and the crankshaft housing.
Install a new O-Ring.
Make sure it is correctly fitted.
Fig. 15B
Install the oil pump chain.
Apply some approved engine oil (refer to the MM) on the chain before installation.
O-Ring
Mandatory Service Bulletin No. MSB-E4-031/1 Austro Engine GmbH Rudolf-Diesel-Strasse 11 A-2700 Wiener Neustadt Tel: +43 2622 23000 FAX: +43 2622 23000-2711
First Issue Date Rev. No. Revision Date Page 14 Jun 2021 1 01 07 2021 19-23 © 2021 by Austro Engine GmbH – AUSTRIA – www.austroengine.at
Fig. 16B
Fig. 17B
Fig. 18B
Install the oil pump with O-Ring and three screws [04] (M7x27 – 8.8 – DBL 9400.40) on the crankcase.
Apply Loctite 2701 or 278 on the thread and tighten with a torque of 14 Nm.
Install the screw [03] that attaches the oil pump to the oil repellent. Apply with Loctite 243 and torque it with 12 Nm.
[03]
Mandatory Service Bulletin No. MSB-E4-031/1 Austro Engine GmbH Rudolf-Diesel-Strasse 11 A-2700 Wiener Neustadt Tel: +43 2622 23000 FAX: +43 2622 23000-2711
First Issue Date Rev. No. Revision Date Page 14 Jun 2021 1 01 07 2021 20-23 © 2021 by Austro Engine GmbH – AUSTRIA – www.austroengine.at
Fig. 19B
Install the oil pump chain cover
Put the chain cover [02] in place on the oil pump and tighten the screws [01] (ISO8102-M6x20-10.9) (x2) with 12 Nm.
1. Install the Oil Sump according to the Maintenance Manual, Ch.79.
2. Replace the engine oil according to Maintenance Manual, Ch. 79.
3. Clean the working area.
4. Perform an Engine Ground Run. Refer to the Maintenance Manual, Ch.71.
5. Fill the completion form, §6 “Appendix” of the Service Bulletin
2.3. ILLUSTRATIONS None.
2.4. MASS (WEIGHT) Not affected.
2.5. APPROVAL STATEMENT The technical content of this document has been approved under the authority of DOA No.
EASA.21J.399.
[01] [02]
Mandatory Service Bulletin No. MSB-E4-031/1 Austro Engine GmbH Rudolf-Diesel-Strasse 11 A-2700 Wiener Neustadt Tel: +43 2622 23000 FAX: +43 2622 23000-2711
First Issue Date Rev. No. Revision Date Page 14 Jun 2021 1 01 07 2021 21-23 © 2021 by Austro Engine GmbH – AUSTRIA – www.austroengine.at
3. PLANNING INFORMATION
3.1. MATERIAL & AVAILABILITY Quantity Part Description p/n Part Number 1 oil pump SB Kit 1 oil filter SB Kit
7.5 l engine oil - 1 O-Ring (OR_16x3-ACM 70) 1 oil sump gasket (E4A-05-000-002 or E4A-05-000-003 as alternative)
Note: Use only engine oil listed in the Operation Manual Note: For the Consumable list, refer to the Maintenance Manual, Ch. 01.
3.2. SPECIAL TOOLS Number Description Dimensions 1 Engine stand - 2 Wrench - 3 Oil Filter Wrench - 4 Oil Drain Pan - 5 Oil Funnel - 6 Socket tool set - 7 Latex gloves - 8 Container min 8.5 l
3.3. LABOR EFFORT 16 hours
Mandatory Service Bulletin No. MSB-E4-031/1 Austro Engine GmbH Rudolf-Diesel-Strasse 11 A-2700 Wiener Neustadt Tel: +43 2622 23000 FAX: +43 2622 23000-2711
First Issue Date Rev. No. Revision Date Page 14 Jun 2021 1 01 07 2021 22-23 © 2021 by Austro Engine GmbH – AUSTRIA – www.austroengine.at
4. REMARKS
NOTE:
o All measures must be carried out by a certified engine station and certified engine mechanics.
o The accomplishment of the instructions shown under Section 2.2 must be confirmed in the respective engine log book.
o The accomplishment of the instructions must be carried out within the time of compliance according chapter 1.
o In c ase of doubt please contact the Austro Engine GmbH – After Sales Support (e-mail: service@austroengine.at; Tel: +43 2622 23000 2525).
o For credit information contact Austro Engine GmbH – After Sales Support (e-mail: service@austroengine.at; Tel: +43 2622 23000 2525)
5. EXPLANATORY NOTES
5.1. SYMBOL EXPLANATION
CAUTION: Disregarding these special instructions and safety measures can cause damage to the engine or other components.
NOTE: Additional note or instruction for better understanding of an instruction
Mandatory Service Bulletin No. MSB-E4-031/1 Austro Engine GmbH Rudolf-Diesel-Strasse 11 A-2700 Wiener Neustadt Tel: +43 2622 23000 FAX: +43 2622 23000-2711
First Issue Date Rev. No. Revision Date Page 14 Jun 2021 1 01 07 2021 23-23 © 2021 by Austro Engine GmbH – AUSTRIA – www.austroengine.at
6. APPENDIX
Service Bulletin Completion Notification Note:
Aircraft owner:
Aircraft Operator: If different from the owner Aircraft:
Aircraft Serial Number:
Aircraft Marks:
Engine (RH) S/N: For single engine a/c, fill only one row Engine (LH) S/N:
Flight Hours:
Service center: Company Name or reference of the person(s) performing the oil pump replacement Removed Oil pump S/N: Refer to the figure 1 to identify the correct serial number to be provided Re-installed Oil pump S/N:
Date, Name Signature NOTE: A scanned version of this form must be provided to service@austroengine.at NOTE: The original filled version of this form, must be packed with the removed oil pump, and provided to Austro Engine
Figure 1