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VALCO MELTON EPP9 Manual

9:1 electronic piston pump
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Valco EPP9 Piston Pump
9:1 Electronic Piston Pump
Manual Number:
MS015
Revision Date:
1/2022

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Summary of Contents for VALCO MELTON EPP9

  • Page 1 Valco EPP9 Piston Pump 9:1 Electronic Piston Pump Manual Number: MS015 Revision Date: 1/2022...
  • Page 2 ©2022 Valco Melton All Rights Reserved This manual is provided with the Valco EPP9 Piston Pump and may be used only in accordance with the terms of purchase. No part of this manual may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, recording, or otherwise, without the prior written permission of Valco Cincinnati, Inc.
  • Page 3 Hortonwood 32 calle G, n. 34 Telford TF1 7YN 31160 Orcoyen England Navarra, Spain declares that the product: Product Name: EPP9 Piston Pump complies with the following Council Directives: Safety of Machinery: 2006/42/EC Low Voltage Equipment: 2014/35/EU EMC: 2014/30/EU Reduction of Hazardous Substances (RoHS):...
  • Page 5 Table of Contents Table of Contents ....................5 Section 1 - Introduction ..................7 Description of the Valco EPP9 Piston Pump ......................7 Section 2 - Safety and Use ..................9 Read Thoroughly Before Handling Equipment ......................9 Symbols ..................................9 Owner Responsibilities ..............................
  • Page 6 Section 9 - Specifications ..................31 Section 10 - Part Number List ................33 How to Order Parts ..............................33 EPP9 Piston Pump Assembly (561xx352) ........................34 Manifold/Solenoid Sub-assembly (561xx351) ......................37 EPP-9 Solenoid Gasket Orientation ....................... 38 Air Restrictor Assembly (561xx349) ...........................39 EPP9 Rebuild Kit (561xx355) .............................40...
  • Page 7 With the EPP9 Piston Pump, cycling is achieved electronically. Two Hall effect sensors are positioned close to the air cylinder. These are activated by a magnet attached to the piston. The switch signal is passed to an electronic control circuit mounted in the manifold that operates standard solenoid air valves.
  • Page 8 Section 1 - Introduction MS015 - EPP9 Piston Pump...
  • Page 9 MS015 - EPP9 Piston Pump Section 2 - Safety and Use Section 2 - Safety and Use Read Thoroughly Before Handling Equipment WARNING! Read and follow all safety precautions, warnings, cautions, and other recommendations in this manual. OTHERWISE, DEATH, PERSONAL INJURY OR EQUIPMENT DAMAGE COULD OCCUR.
  • Page 10 Do not use this equipment for anything other than its intended use. Do not modify, change, or alter the equipment in any way. If you are unsure of the intended use and the limitations of use for the equipment, contact your Valco Melton...
  • Page 11 Section 2 - Safety and Use Installation/Startup/Use Safety Information Valco Melton hot melt units, cold glue units, controllers, inspection systems and all related accessories have the following universal safety precautions (this is not intended to be an exhaustive list; follow all instructions and safety...
  • Page 12 MS015 - EPP9 Piston Pump Shut Down Safety Information Valco Melton hot melt units, cold glue units, controllers, inspection systems and all related accessories have the following universal safety precautions (this is not intended to be an exhaustive list; follow all instructions and safety...
  • Page 13 MS015 - EPP9 Piston Pump Section 2 - Safety and Use WARNING! People with respiratory problems (e.g., asthma, bronchitis, etc.) should not work in the vicinity of molten adhesive. RESPIRATORY PROBLEMS MAY BE AGGRAVATED BY THE FUMES. Do not wear a face mask when working around molten adhesive. THE MASK MAY TRAP THE FUMES AND DEATH OR PERSONAL INJURY COULD OCCUR.
  • Page 14 Section 2 - Safety and Use MS015 - EPP9 Piston Pump What to Do if Adhesive-Related Fire or Explosion Occurs During the heating and melting process, the surface of the adhesive will be exposed to air. The mixture of polymer fumes and air can catch fire if the hot melt is overheated.
  • Page 15 MS015 - EPP9 Piston Pump Section 2 - Safety and Use Hose Safety Information DO NOT Do not use bindings, wire Do use approved wrapping ties, or unapproved (P/N 775xx827), making fasteners around the sure the wrapping is slightly hoses.
  • Page 16 Section 2 - Safety and Use MS015 - EPP9 Piston Pump...
  • Page 17 MS015 - EPP9 Piston Pump Section 3 - General Wiring Guidelines Section 3 - General Wiring Guidelines Routing Low-Voltage Leads When routing low-voltage leads, follow these guidelines:  Do not route low-voltage leads in the same conduit as wires carrying a high-current load.
  • Page 18 Section 3 - General Wiring Guidelines MS015 - EPP9 Piston Pump...
  • Page 19 24V connector, to the control. The control does not currently, have the required hardware to receive this data, but this will be a future-expansion feature. ¾ NPT GLUE INLET Figure 4-1. Valco EPP9 Piston Pump Assembly...
  • Page 20 Section 4 - Basic Features MS015 - EPP9 Piston Pump Figure 4-2. EPP9 LED Identification Figure 4-3. Valco EPP9 Wall Mount...
  • Page 21 MS015 - EPP9 Piston Pump Section 5 - Installation Section 5 - Installation Power Connections The Valco EPP9 can be powered through either a 24-volt AC or DC remote power supply, or through any of the following Valco controls:  Flexoseal 350 ...
  • Page 22 When Slow Mode is active, the LED by the ‘turtle’ icon illuminates. 8. As long as the pump and lines are primed and adequate air pressure is supplied, the EPP9 pump will start and stop as the valve is opened and closed.
  • Page 23 Do not use filled adhesives! Fillers are usually clay, which will damage the pump shaft and seals severely. To operate the Valco EPP9 Piston Pump, follow these steps: 1. Ensure that the air regulator pressure setting is zero (0) psi.
  • Page 24 Section 6 - Operation MS015 - EPP9 Piston Pump Slow Mode On power-on, the Slow Mode solenoid will activate for 10 seconds while the pump fills and builds pressure. After the first 10 seconds, the Slow Mode solenoid will deactivate, and the pump will run normally.
  • Page 25 When cleaning the pump, keep the electrical control box enclosure closed. OTHERWISE, EQUIPMENT DAMAGE COULD OCCUR. To clean the exterior of the Valco EPP9 Piston Pump, follow these steps: 1. Turn off the main power. 2. Use a damp cloth and clean the pump and air motor with a mild soap-and-water solution.
  • Page 26 Section 7 - Maintenance MS015 - EPP9 Piston Pump Separating the Air Motor and the Pump 1. Remove the screws securing the air motor standoffs to the mounting flange. Bottom view Screws Screws Mounting Flange 2. Slide the pump down, and then sideways, to disengage it from the air motor.
  • Page 27 MS015 - EPP9 Piston Pump Section 7 - Maintenance Cleaning the Fluid Filter Large Fluid Filter Assembly (593xx535) Small Fluid Filter Assembly (593xx299)* filter body - 593xx298 filter body - 593xx532 filter screen, 50 mesh - 593xx020 filter screen, 50 mesh - 593xx029...
  • Page 28 Section 7 - Maintenance MS015 - EPP9 Piston Pump...
  • Page 29 MS015 - EPP9 Piston Pump Section 8 - Troubleshooting Section 8 - Troubleshooting This section contains troubleshooting procedures for the Valco EPP9 Piston Pump. Problem Possible Cause Possible Solution Pump will not start 1a. Electrical: -Power input LED out Check line fuse.
  • Page 30 Section 8 - Troubleshooting MS015 - EPP9 Piston Pump Problem Possible Cause Possible Solution Pump runs without Suction leakage Test and repair suction components. flow. Blocked suction line Check and clean suction strainer if used. Check installation. One or more check valves not Shut pump down and service the check seating properly.
  • Page 31 MS015 - EPP9 Piston Pump Section 9 - Specifications Section 9 - Specifications This section contains specifications for the Valco EPP9 Piston pump. Height: 23.8 inches (605 mm) Width: 6.9 inches (176 mm) Depth: 6.3 inches (160 mm) Weight: 30 lbs. (13.6 kg)
  • Page 32 Section 9 - Specifications MS015 - EPP9 Piston Pump...
  • Page 33 MS015 - EPP9 Piston Pump Section 10 - Part Number List Section 10 - Part Number List How to Order Parts To order parts, please contact your closest Valco office by mail, phone, or Email: Valco Cincinnati, Inc. 497 Circle Freeway Drive...
  • Page 34 Section 10 - Part Number List MS015 - EPP9 Piston Pump EPP9 Piston Pump Assembly (561xx352)
  • Page 35 MS015 - EPP9 Piston Pump Section 10 - Part Number List EPP9 Piston Pump Assembly (561xx352) - Continued...
  • Page 36 Section 10 - Part Number List MS015 - EPP9 Piston Pump EPP9 Piston Pump Assembly (561xx352) - Continued Item Description Part Number MANIFOLD/PCB/SOLENOID SUB-ASSY 561XX351 CYLINDER, AIR 782XX653 ASSEMBLY, SEAL CARTRIDGE 561XX350 O-RING 745XX005 FLANGE, MOUNTING 561XX344 CHECK, LOWER 561XX336...
  • Page 37 MS015 - EPP9 Piston Pump Section 10 - Part Number List Manifold/Solenoid Sub-assembly (561xx351) Item Description Part Number SOLENOID 411XX931 ASSEMBLY, AIR RESTRICTOR 561XX349 MUFFLER 411XX661 Only replaceable components are shown. CAUTION! When removing the valve for maintenance or troubleshooting, make sure the EPP-9 solenoid “EPP-9 Solenoid Gasket Orientation“...
  • Page 38 Section 10 - Part Number List MS015 - EPP9 Piston Pump EPP-9 Solenoid Gasket Orientation The EPP-9 pump solenoid (411XX931) is supplied with a gasket. If the valve needs to be removed in the field (i.e. for replacement or troubleshooting), the gasket needs to be oriented correctly (see below).
  • Page 39 MS015 - EPP9 Piston Pump Section 10 - Part Number List Air Restrictor Assembly (561xx349) Item Description Part Number CAP, BACKSTOP 561XX335 BACKSTOP, AIR RESTRICTOR 561XX332 TUBE, AIR RESTRICTOR 561XX333 PLUNGER, AIR RESTRICTOR 561XX334 O-RING 745XX007 O-RING 745XX089 O-RING 745XX028...
  • Page 40 Section 10 - Part Number List MS015 - EPP9 Piston Pump EPP9 Rebuild Kit (561xx355) The seal cartridge can only be installed in one direction, as there is a lip.
  • Page 41 MS015 - EPP9 Piston Pump Section 10 - Part Number List EPP9 Rebuild Kit (561xx355) - Continued Item Description Part Number ASSEMBLY, SEAL CARTRIDGE 561XX350 O-RING 745XX005 SPRING 783XX385 SEAL, PISTON 746XX271 BALL, CERAMIC 561XX247 BALL, CERAMIC 561XX307 RING, SNAP...
  • Page 42 Section 10 - Part Number List MS015 - EPP9 Piston Pump Air Cylinder Rebuild Kit (561xx354)
  • Page 43 MS015 - EPP9 Piston Pump Section 10 - Part Number List Pump Wall Mount Assembly (561xx109) without pop safety (requires high pressure hose)
  • Page 44 Section 10 - Part Number List MS015 - EPP9 Piston Pump Pump Wall Mount Assembly (561xx109) - Continued Item Description Part No. WALL MOUNTING BRACKET 580XX410 ADAPTER-PIPE; SWIVEL 792XX347 FLUID FILTER ASSY LRG 50 MESH 593XX535 PIPE TEE,96718023 792XX006 BUSHING REDUCER 1/2 X 1/4NPTSS...
  • Page 45 MS015 - EPP9 Piston Pump Section 10 - Part Number List Pump Wall Mount Assembly (561xx152) with pop safety (150 psi max, no pressure hose required) 999xc561-04.dwg...
  • Page 46 Section 10 - Part Number List MS015 - EPP9 Piston Pump Pump Wall Mount Assembly (561xx152) - Continued Item Description Part No. WALL MOUNTING BRACKET 580XX410 ADAPTER-PIPE; SWIVEL 792XX347 FLUID FILTER ASSY LRG 50 MESH 593XX535 PIPE TEE,96718023 792XX006 BUSHING REDUCER 1/2 X 1/4NPTSS...
  • Page 47 MS015 - EPP9 Piston Pump Section 10 - Part Number List Miscellaneous Power Supply Cables Part No. Description 030xx594 13-foot (4.0 m) connector cable, M12 5-pin connector both ends 030xx604 20-foot (6.0 m) (field-wireable) 030xx604 20-foot (6.0 m) connector cable (field-wireable) 030xx596 33-foot (10.0 m) connector cable (field-wireable)
  • Page 48 Section 10 - Part Number List MS015 - EPP9 Piston Pump...
  • Page 49 MS015 - EPP9 Piston Pump Section 11 - Warranty Section 11 - Warranty Warranty Information Valco Cincinnati, Inc. warrants its equipment worldwide against defects in material and workmanship as outlined in this section. Liability of the company is limited to repair of the product, or replacement of any part shown to be defective, and does not extend to defects caused by accidents, misuse, abuse, neglect, tampering or deterioration by corrosion.
  • Page 50 Section 11 - Warranty MS015 - EPP9 Piston Pump...
  • Page 51 MS015 - EPP9 Piston Pump Section 12 - Service Section 12 - Service If a problem with your system persists, contact a ValcoMelton Technical Support representative. If your need is urgent, we encourage you to contact our corporate office in Cincinnati, Ohio, U.S.A. at (513) 874-6550. If the problem cannot be resolved, Valco Cincinnati, Inc.
  • Page 52 Section 12 - Service MS015 - EPP9 Piston Pump...
  • Page 53 MS015 - EPP9 Piston Pump Appendix A - Charts Appendix A - Charts...
  • Page 54 Appendix A - Charts MS015 - EPP9 Piston Pump...