b'Universal Cab Heater Installation Guide, ContinuedPRO TIP: Pre-lubricating the connections withMounting the Heater Assemblycoolant will aid in slipping the hose on. Dependent on model, the mounting brackets are Refilling the System either included in the box as on blower wheel Start with fresh new coolant recommend by themodels or the pancake fan models have integral slot vehicle manufacture. Always follow the OEMmounts built into the case. Mount the unit last, after manufactures method for refilling. Extra coolant willtesting the electrical connections and checking the be required to fill the heater and lines. system for leaks.Making Electrical Connections Important Note: For overhead mounting of the Start at the Battery or Main power supply and installcab heater (above the radiator) requires the heater the Inline Fuse holder with the fuse removed. Routehoses to be purged of air to prevent an air lock the (+) power line to the switch and then continuecondition. To do so, connect the hoses first and to the (+) connection on the cab heater fan. Thekeep the heater unit and hoses loose and below Black () lead on the cab heater fan needs to bethe level of the vehicles radiator, fill and purge then connected to chassis ground or the () negative sidepermanently mount afterwards. This allows the air of the battery. After all connections are properlybubble to naturally flow upwards. terminated and insulated install the fuse forIn vehicles not equipped with heater lines or ports testing. 14 GA wire is recommended. SEE Electricala cab heater can still installed with an optional Connections Figure 2. auxiliary inline pump (sold elsewhere) to provide the required coolant flow to the cab heater.American Cooling Solutions |Canton, SD, USA |www.americancoolingsolutions.com'