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Spray With Release Agent Only a very light spray is needed. Cut off the protruding ends 25 mm (1 inch) from the engine bed plate.ġ2 7. Trim Ends of Foam Check to ensure that the damming is not twisted and is firmly in place. A 6 mm (1/4 inch) press fit on the foam work best on soft foam.ġ1 6. The foam should fit tightly between the steel to prevent the Chockfast from leaking.

Open-cell foam allows air to escape through it.ġ0 Insert Foam Dam A wood stick is a good tool for inserting foam. Open-cell foam is best but neoprene can also be used. Insert Foam Dam Insert flexible damming along the back and on either side of the chock. It is also very important to remove all burrs and welding slag.ĩ 5. Clean Thoroughly Clean all surfaces of oil, grease, millscale, paint, and rust so that Chockfast makes complete contact with the foundation and bedplate. Pre-condition the Chockfast Pre-condition the Chockfast Resin and hardener by storing it at 20 o C to 25 o C (68 o F to 77 o F) for at least 12 hours before use to ensure the epoxy will mix well and pour easily.Ĩ 4. Gather Materials Supplied by ITW PRC Chockfast Orange Open-cell Foam Release Agent Jiffy Mixing Blades Non-melt Grease Strip Caulking / Putty PRT-51 Solvent Supplied by Shipyard 1/2 Drill Motor Metal Dams Safety Glasses Disposable Vinyl Gloves Surface Thermometer Foam-backed Tapeħ 3. Determine the total volume of all chocks including the overpour areas and subtracting the volume taken up by the bolts.ĥ Order Chockfast Early Be sure to have at least 10% more Chockfast Orange than required in case of spills, leaks, etc. Determine Chock Volume Before the chocking job starts, develop a Chocking Plan. 1 Chocks, Chocking and CHOCKFAST - Marine Chock Installation - Presented by ITW Philadelphia ResinsĢ Presentation Outline Basic Chocking Procedure Special Chocking Situations Some Chocking Do s & Don ts For More Informationģ Basic Chocking Procedure How to Chock a Marine Engine Step-by-StepĤ 1.

Philadelphia watch case company serial number 4316614