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ENGINE OIL HEATER INSTALL PSS12 & PSS20 This work instruction document explains and shows how to install the oil heater components on the WINCO PSS12 and PSS20 models. It replaces the previous instruction document, WINCO #15809-103 for these products. REQUIRED TOOLS •...
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4) Plug thermostat assembly into the receptacle above the battery charger as shown below. For the PSS12, this is located on the side of the control cabinet assembly. For the PSS20 models, the receptacle is located inside of the control box assembly, and the...
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5) Remove the oil drain plug from the opposite side of the oil drain valve using 16mm socket (or 5/8” socket for PSS20). For the PSS12 only, install provided adapter while using the washer from the oil plug with 11/16” socket.
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