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Priming Systems
Waterous Company 125 Hardman Avenue South, South St. Paul, Minnesota 55075 USA (651) 450−5000
All content in this instruction is property of the Waterous Company. Instructions subject to change without notice.
All content in this instruction is property of the Waterous Company. Instructions subject to change without notice.
All content in this instruction is property of the Waterous Company. Instructions subject to change without notice.
Priming Systems Installation
Table of Contents
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Instructions subject to change without notice.
Operation & Maintenance
Form No.
Section
F−1031
2312
Illustrations
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Issue Date
Rev. Date
10/07/94
02/27/06
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Tables
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Table of Contents
Related Manuals for Waterous VPE
Summary of Contents for Waterous VPE
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Page 1: Table Of Contents
Instructions subject to change without notice. All content in this instruction is property of the Waterous Company. Instructions subject to change without notice. All content in this instruction is property of the Waterous Company. Instructions subject to change without notice. -
Page 2: Principals Of Operation
A Waterous priming system consists of a priming pump and a priming valve. The priming pump draws air out of the centrifu- gal pump through the priming valve. The priming valve must be open when priming the pump and then closed when the pump is fully primed (pumping water with all air removed). -
Page 3: Rotary Vane Priming Pump − Vpe And Vpes
Rotary vane priming pumps are available separately mounted (model VPES) or transmission mounted (model VPE). The VPE and VPES models are driven by an electric motor. The VPE and VPES models each contain one eccentric rotor with three vanes that slide in and out of the rotor. -
Page 4: Rotary Vane Priming Pump − Vpo And Vpos
Rotary Vane Priming Pump − VPO, VPOS Models Rotary vane priming pumps are available separately mounted (model VPOS) or transmission mounted (model VPO). The VPO and VPOS models are driv- en by an electric motor. The VPO and VPOS models each contain one eccentric rotor with four vanes that slide in and out of the rotor. As the rotor turns, air is drawn from the priming valve inlet due to the vacuum created behind the priming pump. -
Page 5: Priming Valve
Priming Valve The valve consists of a stainless steel sliding plunger in a bronze valve body that contains three inlet ports and an outlet. A rubber insert in the plunger is forced against the seat in the body when the valve is closed, assuring a tight seal between the inlets and the outlet. A relief groove in the valve body connects one inlet port to the area behind the plunger. -
Page 6: Manual−Electric Priming Valve
Figure 7. Solenoid−Actuated Priming Valve Figure 8. Manual−Electric Priming Valve Switch Cover from DPL82083 from DPL82083 This valve is identical to the manual−electric valve except the switch on the This valve has a switch on one end enclosed in a housing. As the valve is end of the valve is replaced with a solenoid. -
Page 7: Operating Instructions
Operating Instructions Models VPE, VPES, VPO, VPOS (Electric Operation) 1. Close discharge valves, drain valves and all other openings. 4. Operate priming pump until it discharges a solid stream of water through its discharge outlet. 2. Make sure all intake connections are tight. -
Page 8: Maintenance Instructions
A vent hole is located in the elbow on top of the priming tank to break the sy- phon and stop the flow of lubricant after priming. The hole should be kept open On VPE models, if maximum vacuum falls below 22 In. Hg., readjust rotor end at all times, but do not enlarge it. -
Page 9: Service Suggestions
3. Check that the correct cable size is used (see Table 1 and Table 2). required tight fit. Replacement of damaged parts is usually required. 4. Check for proper grounding of the motor. On newer VPE and VPO models, 7. Check for primer motor function in the following manner: there is a ground stud on the side of the motor that should be connected with a ground cable to the truck chassis. - Page 10 8. If the priming motor operated with jumper connected between center Figure 9. Solenoid Solenoid Solenoid (small) and hot terminals of solenoid, control switch or switch wiring may “COLD” Center (Small) Center (Small) “HOT” be defective. To check switch, connect a jumper to its terminals. If priming Terminal Terminal (24V Motor) Terminal (12V Motor)
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Page 11: Wiring Diagrams
− − Figure 12. Wiring Diagram − Models VPE, VPES, VPO, VPOS, HHE and HHEB Priming Pumps IL2124 On 24V primers, there is an extra #10 stud on the solenoid. Make sure it is wired to the 5/16 ground stud on the motor frame. The 5/16 ground stud, on both 12V and 24V models, should be connected to the truck chassis.
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