Usage:
3412, 3408 and 3406 Industrial, Marine and Truck Engines
A 5P7333 Tool Group is now available for the repair of loose bridge dowels on the cylinder heads of the above engines (Illustration 1). The dowel holes are drilled and machined larger and then a 5P7324 Plug is installed (Illustration 2). The plug is then drilled and machined so the bridge dowels can be installed.
Illustration 1. Components of 5P7333 Tool Group.
Illustration 2. Install 5P7324 Plug in bridge dowel hole.
Illustration 3. Fixture installed on cylinder head for the repair of loose bridge dowels.
It is our recommendation that the cylinder head be removed from the engine when this repair is made. This will prevent contamination from chips and make it easier to control speeds and feeds if a drill press is used.
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- 1. 0.531" (13.49 mm) diameter core drill.
- 2. 0.422" (10.72 mm) diameter drill.
- 3. 5P2406 Driver.
- 4. 5P3021 Lifter Bracket.
- 5. Two 6" or 8" C-clamps.
- 1. 0.531" (13.49 mm) diameter core drill.
Use Special Instruction Form SMHS7072 to make the repairs to loose bridge dowels on 3400 Series Engines.