North Star 157305 Owner's Manual

Also see for 157305: Installation, operation and maintenance manual Installation, operation and maintenance manual Owner's manual Installation, operation and maintenance manual Instructions for setup

MEI 10-9-12 22Figure 17• Attach high-pressure hose(s) to machine’s high-pressure water outlet. Do not hook up the spraygun.• Place other end of high-pressure hose(s) in the 5-gallon bucket.• Attach a short length of garden hose to gardenhose inlet on the pump.• Prime pump by filling short garden hose withwater (a funnel will work), then placing end ofhose in the bucket.• Run pressure washer in cold mode for 1 to 3hours, recirculating the cleaning solution.• Dispose of cleaning solution where it is notharmful to animals or the environment.• Flush with fresh water and clean inlet strainerwhen finished.Inspect and Clean Flow SwitchMineral build-up and/or debris within the flow switch canoccur and may affect burner operation if not periodicallycleaned. Mineral build-up and/or debris can stop themovement of the shuttle inside the flow switch body.The shuttle movement actuates a switch inside the flowswitch housing which allows the burner to fire duringspray mode. The burner will not fire if the shuttle doesnot move.• Disconnect swivel fitting from elbow to the inlet ofthe coil.• Disconnect the whole flow switch assemblyincluding the swivel and removable outlet fittingwhere brass body connects to hose or teedepending on model.• Unthread removable outlet fitting with the swivelstill attached from the flow switch assembly.Figure 18 – Flow Switch• Remove shuttle.• Clean inside of brass flow switch body and shuttlewith water and a soft brush.• Insert shuttle into brass flow switch in orientationshown in Figure 19.Note: Aligning the male tabs on the shuttle tothe female guides inside the brass flow switchbody can be difficult since the shuttle ismagnetic.• Thread removable outlet fitting with swivel stillattached into flow switch assembly.• Thread brass flow switch body onto the incomingwater flow source (hose or tee) depending onmodel.• Reconnect swivel fitting to inlet of the coil.Figure 19RemovableoutletfittingBrass bodySwivelfittingShuttle AlignmentShuttlemaletabsShuttleSwivelFitting RemovableOutletFitting Flow SwitchAssemblyBrass FlowSwitch Bodyfemale guides