Austro Engine GmbH
Service Information Rudolf-Diesel-Strasse 11
A-2700 Wiener Neustadt
No. SI-E4-001/2 Tel: +43 2622 23000
FAX: +43 2622 23000-2711
SERVICE INFORMATION
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1. BASIC INFORMATION
1.1. SUBJECT
Life Time and TBO extension
1.2. ENGINES AFFECTED
Type: E4 Engine
Model: E4
Serial Number: all
1.3. REASON
Austro Engine GmbH has successfully completed a further TBO extension program. This Service
Information summarizes the new scheduled maintenance intervals and new TBO of the engine
model E4 to 1800 hrs.
First Issue Date Rev. No. Revision Date Page
16 Apr 2012 2 22 Apr 2015 1-2
© 2015 by Austro Engine GmbH – AUSTRIA – www.austroengine.at
Austro Engine GmbH
Service Information Rudolf-Diesel-Strasse 11
A-2700 Wiener Neustadt
No. SI-E4-001/2 Tel: +43 2622 23000
FAX: +43 2622 23000-2711
1.4. INFORMATION
Austro Engine GmbH has revised the E4 Maintenance Manual – E4.08.04 to revision 25 with the
following new component Check & Change intervals and new engine TBO.
PREVIOUS NEW
Check Change Check Change
Two Mass Flywheel 300h --- 600h ---
Alternator 300h --- 300h ---
EECU --- 1.500h --- 1.800h
Gearbox --- 1.500h --- 1.800h
V-Ribbed Belt 100h 1.500h 100h --- *)
High Pressure Pump --- 600h --- 600h
1000h on demand
Timing Chain 1000h on demand
1500h on demand
TBO 1.500h 1.800h
Table 1: new Check & Change intervals and new TBO
*) The change interval is removed. The V-Ribbed Belt has to be replaced on demand but
at the latest every 5 years.
There is no modification or special procedure necessary to adept the new TBO on the
engine.
2. REMARKS
NOTE: SI are used only:
o To distribute information from Austro Engine GmbH to our customers.
o To distribute applicable information/documents from our suppliers to our customers with
additional information.
First Issue Date Rev. No. Revision Date Page
16 Apr 2012 2 22 Apr 2015 2-2
© 2015 by Austro Engine GmbH – AUSTRIA – www.austroengine.at
