### MSB Service Bulletin
No. MSB-E4-007/3 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 22 Mar 2010 3 28 Nov 2012 1-5
© 2012 by Austro Engine GmbH – AUSTRIA – www.austroengine.at 

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## 1. BASIC INFORMATION

1.1. SUBJECT

Replacement of Waste Gate Controller



### 1.2. ENGINES AFFECTED

Type: E4 Engine

Serial numbers:

 E4-A-00001 to E4-A-00051 having waste gate controller E4A-41-120-000 Rev. 050 or lower installed.

 E4-B-00001 to E4-B-00279 having waste gate controller E4B-41-120-000 Rev. 000 or E4A-41-120-000 Rev. 050 or lower installed.



### 1.3. REASON

There have been cases where the rod of the Waste Gate Controller cracked. Therefore replacement with latest Waste Gate Controller design is necessary.



### 1.4. TIME OF COMPLIANCE

At next maintenance action from Date of 2 nd Revision, but not later than 100 operating hours or later than 30 th April 2013, whichever comes first.



### 1.5. CONCURRENT DOCUMENTS / REFERENCES

Maintenance Manual – Doc. No.: E4.08.04, latest effective issue



### 1.6. OTHER PUBLICATIONS AFFECTED

None.

### MSB Service Bulletin
No. MSB-E4-007/3 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 22 Mar 2010 3 28 Nov 2012 2-5
© 2012 by Austro Engine GmbH – AUSTRIA – www.austroengine.at



## 2. TECHNICAL DETAILS

2.1. ACCOMPLISHMENT / INSTRUCTIONS

Removal of installed Waste Gate Controller:

1. Disconnect Hose at the top of the Waste Gate Controller 2. Remove three M6 Bolts [02] 3. Remove Circlip [01] 4. Disconnect rod from waste gate lever and remove waste gate controller [03]

Install new Waste Gate Controller according to table section 3.1

1. Install the three M6 Bolts [02] and torque them with 7 Nm 2. Attach external pump to the top of the Waste Gate Controller and apply pressure till the rod starts to move 3. Connect rod to waste gate lever 4. Adjust Waste Gate Controller according to Engine Maintenance Manual E4.08.04, Chapter 81-00-32.

Note: For fixing of the rod on the waste gate lever use new circlip. 02

01 03

### MSB Service Bulletin
No. MSB-E4-007/3 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 22 Mar 2010 3 28 Nov 2012 3-5
© 2012 by Austro Engine GmbH – AUSTRIA – www.austroengine.at



### 2.2. ILLUSTRATIONS

None.



### 2.3. MASS (WEIGHT)

Not affected.



### 2.4. APPROVAL STATEMENT

The technical content of this document has been approved under the authority of DOA No. EASA.21J.399.



## 3. PLANNING INFORMATION

3.1. MATERIAL & AVAILABILITY

Amount Part Name Part Number Rev. Number
1 Waste Gate Controller E4A-41-120-000 070 or higher 1 Circlip DIN 6799-5 ---

For materials & availability please contact the Austro Engine GmbH – After Sales Support (e-mail: service@austroengine.at ; Tel: +43 2622 23000 2525)



### 3.2. SPECIAL TOOLS

Not applicable.



### 3.3. LABOR EFFORT

Approximately 30 minutes.



### 3.4. CREDIT

Materials as listed in section 3.1 and transportation costs of part if within warranty time period.

### MSB Service Bulletin
No. MSB-E4-007/3 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 22 Mar 2010 3 28 Nov 2012 4-5
© 2012 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 chapter 2.1 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 to chapter 1.4.

o In case 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

WARNING : Disregarding these safety rules can cause personal injury or even death.

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.



## 6. APPENDIX

Execution Report

### MSB Service Bulletin
No. MSB-E4-007/3 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 22 Mar 2010 3 28 Nov 2012 5-5
© 2012 by Austro Engine GmbH – AUSTRIA – www.austroengine.at 

## EXECUTION REPORT TO SERVICE BULLETIN MSB-E4-007/2

ENGINE DATA

Engine serial number: ____________________

Engine operating hours: ____________________

Date of exchange: ____________________

AIRCRAFT DATA

Aircraft serial number: ____________________

Aircraft registration: ____________________

____________________________________ Date, Name, Signature

Please submit the completed form to fax No.: +43(0)2622–23000–2709 or to the following email address: service@austroengine.at.