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Boat Maintenance Guides, Videos & Tips — Straight from the Engine Room
Impeller removal, engine room maintenance, boat tool guides, and how-to videos — built by a mechanic who's actually done the work.
Impeller Removal on Generator in a Box | ImpelPro
Why Every Boater Needs the ImpelPro Tool
Pro Tips for Safe and Efficient Impeller Replacement
Content created by Eddie Protzeller, marine mechanic and inventor of ImpelPro.
Blog Posts
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Feb 117 min read
How to Change Racor Fuel Filters the Right Way — No Mess, No Air in the System | ImpelPro
Learn how to change Racor fuel filters without spills or air in the system. Step-by-step guide to proper draining, filling, and clean fuel system maintenance.
Apr 14
Detroit Diesel 12V92 Impeller Removal — Full Pull, Clean & Reinstall (Large Puller) | ImpelPro
Step-by-step Detroit Diesel 12V92 impeller removal, inspection, cleaning, and reinstall. Learn the correct method to avoid damage and ensure a clean pull.
Mar 26
Cummins Onan Generator Impeller Removal — No Room, No Hose Removal, Clean Pull | ImpelPro
Learn how to remove a Cummins Onan generator impeller in tight spaces without removing hoses. See a clean pull method with minimal clearance and no damage.
Mar 22
Impeller Removal Behind a Heat Exchanger Bracket — Tight Engine Room, One-Handed Pull | ImpelPro
Learn how to remove a marine impeller in a tight engine room with limited access. See a one-handed method for clean, controlled impeller removal without damage.
Mar 18
What a Failed Pump Seal Does to Your Generator in a Box (And How to Catch It Early) | ImpelPro
See how a failed raw water pump seal caused major saltwater corrosion inside a generator enclosure and how engine room inspections catch it early.
Mar 14
How to Replace an Impeller on a Marine Generator (Step-by-Step Tight Space Walkthrough) | ImpelPro
Learn how to replace an impeller on a marine generator step-by-step. Full walkthrough of seawater pump service, inspection, and system bleeding.
Mar 12
How to Remove a Stuck Marine Impeller on a Scania 6SY | Full Start-to-Finish Service
Learn how to remove a stuck marine impeller from a Scania 6SY engine. Step-by-step cooling system service from a marine mechanic.
Mar 10
How to Reinstall a Large Marine Impeller Without Losing Your Mind (Detroit Diesel 12V92 Example)
Learn how to reinstall a large marine impeller correctly. Step-by-step lubrication, spline alignment, keyed installation tips, and why you should never use a mallet.
Mar 1
Why Professional Marine Mechanics Don’t Improvise Boat Impeller Removal
Discover why improvised impeller removal damages pumps and wastes billable hours — and how a bearing-driven marine impeller puller fixes it.
Feb 24
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