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Type 6 F/G/H-Versions Blow-By System Upgrade

Type 6 F/G/H-Versions Blow-By System Upgrade

  • Increase Uptime
  • Lifetime & Services Interval Extension
  • Lower Operating Costs

Upgrade of the Blow-By System of your Jenbacher* Type 6 gas engines to the latest version with exchangeable filter cartridge can offer extended maintenance intervals at lower service cost.

Type 6 F/G/H-Versions Blow-By System Upgrade

Make sure this upgrade is compatible with your engine:

What can this upgrade do for you?

  • Extended service intervals. Up to 6 times longer intervals between scheduled services. This is the result of an increased filter surface and an advanced filtration media as well as the use of the pre-separation system.

  • Lower service costs. More cost-efficient service and simpler maintenance work, enabled through the new exchangeable cartridge and extended service intervals.

  • Increase uptime. Due to a simpler, faster maintenance procedure and extended service intervals.

  • Lower inventory, logistic, and disposal cost. As only the filter insert, not the complete filter vessel, need to be exchanged. Weight and required storage space for spare parts are significantly reduced.

How we get you there?

Exchangeable blow-by filter element introduced for more cost efficient service and simpler maintenance work, allows a replacement of the cartridge only, so the casing of the filter remains in place. The upgrade can be applied any time, ideally during a scheduled service.

Light package. This reduced bundle of measures is available for gas engines J612, J616 and J620 with blow-by system generation 1. The blow-by filter assembly with filter cartridge allows a replacement of the insert only, so the casing of the filter remains in place. The conversion includes one filter vessel with removable vessel lid.

Full package. This complete bundle of measures is available for gas engines J612, J616, J620 and J624 with blow-by system generation 1. The blow-by filter assembly with filter cartridge includes two filter vessels for J612/616/620 and four filter vessels for J624 with removable vessel lid. Additionally a pre-separator system with a wire mesh separation element removes coarse oil droplets from the blow-by flow.

Upgrade Versions

Light Package

(*Gen. 1 to Gen. 3)

Full Package

(*Gen. 2 to Gen. 3)

Full Package

(*Gen. 1 to Gen. 3)

Blow-by filter system with filter cartridge
Main components:
- Light Package: 1 vessel for J612/616/620
- Full Packages: 2 x for J612/616/620 and 4 x for J624
- Exchangeable filter element
- New hoses and clamps
- New filter holder
- Adapted filter insulation
Oil drain system
Pre-separator system with a wire mesh separation element. Already Mounted
Adaption of the gas mixer rings** Optional Optional Optional
Advanced air filter system*** Optional Already mounted Optional
OEM documentation update

** The gas mixer/venturi ring is recommended in case an engine faces high CCP (crankcase pressure) issues, due to operating conditions, engine aging etc.

*** Engine versions with earlier air filter systems, manufactured before 2010 or design number J G484, need to be retrofitted to the advanced air filter system.

Upgrade applicable for all Type 6 F/G/H-Versions.

Why Jenbacher Services?

Enhanced Efficiency and Lower Lifecycle Costs

Bringing proven outcomes across the life cycle of your engines means greater engine efficiency, reduced fuel usage and optimized maintenance intervals via our Conversions, Modifications & Upgrades offerings.

Lower Emissions

Emissions can be reduced with exhaust gas aftertreatment systems for example, oxidation or SCR catalysts, helping to meet emission regulations.


Best combined with your next service event or overhaul, our upgrades use only certified OEM parts for and are always based on your specific applications.

Controls and Asset Performance Management

Manage, monitor and control your engine. Our Controls simplify proactive maintenance planning and with myPlant, you can remotely calculate plant performance every day, with real-time intelligence.


Your local power generation experts.

Jenbacher gas engines have been delivered in 100-plus countries.



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