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7. SURVEY— Scope of Work: Perform this step before beginning steps 8 thru 12. Read and familiarize yourself with the theory of operations sheet and wiring instructions for the VP1000 Vapor Pump. The installation of the pump is on the sheet metal shelf over the junction box, with the pump cover facing the "A" side of the dispenser, see photo E. This is the side that the vapor tubes from the out port of the Wayne-VACTM vacuum pumps are connected to a vapor tee mounted at the base of the dispenser, see photo F. From this survey, you will have an indication of where the vapor plumbing fittings need to go and where the holes need to be drilled in the adjoining sheet metal to allow the vapor pipes from the pump to pass through to the hydraulics compartment. Notice also in the electrical junction box, on the bottom right side, there is a potted conduit nipple which contains the Wayne-VACTM wiring harness (for pump on "A" side) that you will remove to install the Healy potted conduit nipple, See Section 11. CAUTION: ALL POWER TO DISPENSER UNDER MODIFICATION SHOULD BE COMPLETELY DISCONNECTED AND CAPPED OFF AT JUNCTION BOX TO AVOID UNINTENTIONAL FEEDBACK FROM OTHER DISPENSERS!! 1�i f f I .I Photo E Photo F 8. WAYNE-VACTm REMOVAL: ❑ Disconnect and lockout the power to the dispenser. ❑ Open the dispenser cabinet doors as specified in section 6 above. ❑ Close the vapor recovery (Stage II Vapor return line) impact valve. If there is no impact valve, be sure to have proper plugs or caps available to plug the Stage II line before disconnecting the Wayne-VACTM equipment. ❑ Unscrew the flare nuts holding the vapor tube into the inlet of both VAC pumps, see photo G. ❑ Unscrew the flare nuts from the vapor port of both outlet castings and remove the vapor tubes, see photo H. ❑ Remove the 3/8" NPT x 3/8" flare elbow fittings from both outlet castings, see photo H. 8-B CARE Approved IBM 8-Wayne Harmony Series(Assist)-Executive Orders VR-281 and VR-282