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And one last time! If you are interested in doing this same conversion and would like to purchase the custom FMC specific bracket, contact either Stephen or Eric and we will give you specifics. Stephen has the brackets and Eric the instructions! We will combine them for you! I am very, very pleased with this unit's performance. With the seven cylinders, it is very, very smooth with absoulutely NO belt vibration or "hopping" as was the case with the York. On the way home the auto AC would have frozen me out of the coach if I hadn't turned the heater on. The cool life is good again! | And another view from above the valve cover. Note that Sanden compressors come in different displacements and port orientation and number of pistons/cylinders. A unit with ports that came out of the compressor head/cap to the right was test fitted and with the custom bracket, there was plenty of clearance so that configuratation should work as well. When purchasing a compressor, ensure that it is one that will fit this application. | A view of the completed installaton from the engine compartment door. The alternator was locked into position after the slack was taken out of the belts and then the belts tightened from this side. This arrangement provides much better access and ease of tensioning the alternator/compressor belts. It's all right in front of you. Aren't you jealous! | Another view showing the routing of the low pressure hose from the corner down and up to the accumulator. The accumulator has a service port (with black dust cover) on it so that pressures can be checked and freon added. A service port will be added to the high pressure discharge line later. |
A view of the corner of the coach showing the two low pressure lines (one from each evaporator inside the coach) coming together at the low pressure shutoff switch and the combined flow exiting down and over to the accumulator. | To the left of the compressor and attached to the side of the radiator is a unit that is not part of the original installation, but was felt to be very important so it was added. It is an accumulator in the low pressure intake line. It's purpose is to protect the compressor from damage should some liquid freon exist in the intake line. Shoud liguid get into the compressor, it could very possibly cause it to self destruct as liquid doesn't compress and the compressor would end it's days. That would not be good! | This shows the completed installation with the wiring for the clutch completed. Please note that we stayed with r-12 for long term savings due to 10% lower hp requirements and 5% higher cooling capacity. To do so we had to change the oil that came in the compressor to the correct oil for r-12 prior to installing the unit. | Here you see the installed compressor. Belt pulley alignment (checked with a straight edge between the compressor and the alternator) was tweaked by shimming between the bracket arms and the compressor ears. The low pressure hose comes in from the left and the high pressure discharge hose is attached with a 90 degree fitting and exits to the top. Two service/shutoff valves are attached to the compressor itself. |
Here you see the initial fitting. The bolts that attach the bracket to the original bracket are in place and the belts are on the pulley. In this case the orignial belts were able to be used, but slightly longer belts would be better. | Another view. Four bolts will attach the new bracket to the original bracket. With the two studs that attach to the braces, that adds up to six attachment bolts. Secure is good! | Another view of the bracket showing it resting on the original bracket in the position in which it will be secured. | The new bracket has been slid into position. To the right you can see the two bolt holes that will provide the pivoting attachment for the new compressor. To the left are the sloted attachment arms. Yes, the bracket provides for belt tensioning. The dual belts operate both the compressor and the alternator. |
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