88Service Manual – SC6000 30 - Solution SystemDetergent Pumps• If the pumps appear to be operating (by touch or sound), but no fluid is flowing, it’s likely the diaphragmis damaged and the pump needs replacement• If neither pump is working, make sure the machine is properly configured for the EcoFlex option in thecontroller• If only one pump is working, swap the pump wires (pump 1 for 2) according to the wire color codes shownon page 84– If the same pump remains faulty, then you know the pump is faulty– If the other pump becomes faulty, then you know that the fault lies in the wiring between the pumpand the controllerRemoval and InstallationSolution SolenoidThe solution solenoid is located in the center of thescrub deck on the rearward side of the deck If thepurpose for servicing the solenoid is to clean the valveseat, you may choose to separate the top and bottomwhile still in the machine, as described in step 51 Close the manual shutoff valve located at thefront-right side of the solution tank2 Disconnect the electrical connector (B) from thetop of the solenoid3 Loosen the hose clamp (C) and remove thesolution supply hose (D) from the solenoid inlet4 Remove the two screws (E) that secure thesolenoid to the scrub deck frame, and lift thesolenoid upward to remove it from the outlet hose(F)5 If necessary, separate the upper and lower halvesof the solution solenoid by twisting the upper halfcounterclockwise This permits cleaning of thevalve seatBAECFD
