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  • Users: MBGraham
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  1. MBGraham

    Frost protection of water service line to slab on grade building

    This concerns a proposed service water line from municipal supply to a residence location that is built on a slab-on-grade. This is in Ontario, Canada with lowest winter temperatures -18F or -27C. I have searched codes but not found answer to my question below: According to code, water line...
  2. MBGraham

    load on cabinet hinges

    We have new cabinet doors. They are quite wide and somewhat vulnerable. I am thinking about adding a brace to limit the opening to 90deg (hinges go to 105deg. It's been a long time since I did any structural engineering! What I would like to see, is a load diagram for situation shown in...
  3. MBGraham

    Coat/Paint aluminum alloy rims - or not?

    The alloy wheels on our '98 Mercedes had rims leaks. Cause was corrosion in a few spots in bead area. Originally rims were coated with some sort of paint that sanded easily but was well adhered. My first effort was to sand out the corrosion, roughen the surface and apply a 1-part polyurethane...
  4. MBGraham

    Cooling of ecu and other electronics

    On our 98 Mercedes E320 (*and other Mercedes of similar era) The ECU, transmission control unit and other electronic modules are housed under the hood in what they call an apparatus case. It is a closed compartment. At the very bottom under the other electronics and wiring, there is a small...
  5. MBGraham

    Rim tire leak repair

    The rims on my 98 Mercedes started to leak a few years back. I had the old tires removed. After cleaning off the rubber sealant, I found several areas where the aluminum had bubbled and corroded. The interior of these rims including the bead area were factory coated with a brown paint/coating...
  6. MBGraham

    Mounting Aftermarket Alloy Rims

    Job is to choose best lug bolts in order to install aftermarket alloy rims on a 98 Mercedes. - Original rims used 12x1.5mm 40mm shank lug bolts with R12 ball heads. Bolt protrusion 17mm, boltholes 13mm. - Aftermarket rims are thinner and require 26mm bolts to get same 17mm protrusion -...

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