You will have to remove the MIOM from the top of the power unit. Remove the steel tube from the shuttle valve fitting. Use a 1/4" union to attach a pressure gauge to the steel tube. DO NOT attach the gauge to the shuttle valve fitting. Use the pump run switch to run the pump while monitoring the pressure gauge. Pressure should be between 3400 PSI and 3600 PSI. |
DO NOT ATTEMPT WITHOUT A PRESSURE GUAGEIf pump pressure is below 3400 PSI or above 3600 PSI There is an adjustable relief set screw with a jam nut on the side of the pump block.Use the pump run switch to run the pump.
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Tiffin Allegro Bus 2017 45OPP Power Units