PVA MR1 Owner's Manual
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PVA MR1 Owner's Manual

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WHERE
PRECISION
DRIVES
PRODUCTION
MR1
Owner's Manual
Revision A

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  • Page 1 WHERE PRECISION DRIVES PRODUCTION Owner’s Manual Revision A...
  • Page 2 MR1 Manual This document is based on information available at the time of its publication. While efforts have been made to ensure the contents of this manual are accurate, the information contained herein does not purport to cover all specific details or variations in hardware, or to provide for every possible contingency in connection with installation, operation, or maintenance.

  • Page 3: Table Of Contents

    Disassembly ..........................11 Assembly Instructions ......................16 Install Clamp ........................21 Fill the Fluid Distribution Block ................... 22 Install the MR1 ......................... 23 Technical Specifications ..................26 Troubleshooting ....................27 Damaged Pump Gasket ......................28 Calling Technical Support ....................30 Notes ........................

  • Page 4: Introduction

    Before you operate this system, read the operation and setup manual. This will help you to become familiar with the product and ensure successful operation. If any questions or problems arise, contact PVA’s Technical Support department. PVA Contact Information Main Office...

  • Page 5: Safety

    MR1 Manual Safety Certain warning symbols are affixed to the machine and correspond to notations in this manual. Before operating the system, identify these warning labels and read the notices described below. Not all labels may be used on any specific system.
  • Page 6 MR1 Manual Do not smoke near the machine. Always have a fire extinguisher available for emergency use. Before performing any repairs or maintenance to the system, turn off power and lock out the power disconnect switch. Warning notices are used to emphasize that hazardous voltages, current, temperatures, or other conditions that could cause personal injury exist in this equipment or may be associated with its use.

  • Page 7: Theory Of Operation

    MR1 Manual Theory of Operation The MR1 is a servo-controlled piston dispenser for processing single component materials. Personal Protective Equipment Operators must use eye protection because material contents are under pressure. Always wear gloves when handling materials and solvents. Refer to MSDS sheets on the material being dispensed for other precautions.

  • Page 8: Setup

    MR1 Manual Setup Before you operate the MR1 metered piston dispenser, read and understand this manual. This information is for safety and correct operation of the pump. This manual provides the information needed to operate, repair, and troubleshoot. Overview The MR2 metered piston dispenser is constructed from three main components.

  • Page 9: Operation

    Remove the Pump 1. Before you remove the MR1 from the material supply system, use the purge button to dispense until the piston is all the way down. 2. Engage the workcell Emergency Stop button and turn the air pressure to 0 psi.

  • Page 10: Figure 3: Shoulder And Socket Bolts

    MR1 Manual WARNING: Keep the MR1 upright until all fluid is removed from the oil window or oil will spill from the oil window. See Figure 17: Oil Window. 5. To remove the fluid section from the drive assembly, remove the airlines.

  • Page 11: Disassembly

    MR1 Manual 9. Remove the breather vent from the metering body and remove the lubrication fluid from the oil window. Figure 5: Breather Vent Disassembly 1. Turn the wing screw counterclockwise to loosen it. Remove the clamp and fitting. Do not lose the clamp adaptor seals.

  • Page 12: Figure 8: Remove Air Section From Fluid Section

    MR1 Manual 3. Remove the air section from the fluid section. Figure 8: Remove Air Section from Fluid Section 4. The gasket is the black mat under the air body. Remove the gasket and clean it. Figure 9: Remove Gasket 5.

  • Page 13: Figure 11: Remove Socket Head Bolts

    MR1 Manual 6. If there is any material inside the pump, push the metering piston all the way down to remove it. 7. Use a 3 mm hex wrench to remove the four socket head bolts from the fluid distribution block.

  • Page 14: Figure 14: Remove Metering Piston From Metering Sleeve

    MR1 Manual 10. Remove the metering piston from the metering sleeve. Figure 14: Remove Metering Piston from Metering Sleeve 11. Place an adjustable wrench on the flat part of the metering piston. Figure 15: Adjustable Wrench on Flats 12. Use a flathead screwdriver to turn the screw counterclockwise and remove the lip seal screw.

  • Page 15: Figure 17: Lip Seal Screw, Teflon Washer, Metering Piston Disassembled

    MR1 Manual 13. Separate the metering piston, washer, lip seal, and screw. Figure 17: Lip Seal Screw, Teflon Washer, Metering Piston Disassembled 14. Use a 2.5 mm hex wrench to remove the six button head screws from oil window. Clean any remaining oil or material from the oil window.

  • Page 16: Assembly Instructions

    MR1 Manual Assembly Instructions 1. Put the pump gasket on the air section. Figure 19: Place Pump Gasket on Air Section 2. Place the air section on the fluid section. Make sure that the air ports and fluid inlet are on the same side.

  • Page 17: Figure 21: Install Socket Head Bolts On Air Section

    MR1 Manual 3. Lay the air and fluid sections flat. Use a 3 mm hex wrench to install the six socket head bolts onto the air section. Tighten the bolts in a cross pattern until tight. Figure 21: Install Socket Head Bolts on Air Section 4.

  • Page 18: Figure 23: Metering Sleeve With O-Rings Installed

    MR1 Manual 8. Apply silicone grease to the O-rings and install one in each end of the metering sleeve. Figure 23: Metering Sleeve with O-rings Installed 9. Carefully install the metering sleeve into the metering body. Figure 24: Install Metering Sleeve into Metering Body...

  • Page 19: Figure 25: Install Metering Piston

    MR1 Manual 10. Install the metering piston into the metering sleeve. Figure 25: Install Metering Piston 11. Push the metering piston through the metering body with your finger. The end of the piston will come through the top of the metering body.

  • Page 20: Figure 27: Install M4X80 Bolts

    MR1 Manual 12. Align the air and fluid body pins with the metering body. 13. Install two M4x80 bolts on top of the air fluid distribution body and two M4x40 bolts on the bottom. Figure 27: Install M4x80 bolts 14. Use an adjustable wrench install the needle.

  • Page 21: Install Clamp

    MR1 Manual Install Clamp 1. Install any air or material ports. 2. Install the clamp adapter seal. Figure 29: Clamp Adapter Seal 3. Install the clamp elbow. Figure 30: Clamp Elbow Installed 4. Install the clamp. Turn the wing screw until it is tight.

  • Page 22: Fill The Fluid Distribution Block

    MR1 Manual 5. Install the clamp adapter seal. Figure 32: Clamp Adapter Seal 6. Install the clamp adapter. 7. Install the clamp. Turn the wing screw until it is tight. Fill the Fluid Distribution Block 1. To fill the fluid distribution block with lubrication fluid, use an adjustable wrench to remove the breather vent.

  • Page 23: Install The Mr1

    3. Keep the pump upright. Install the breather vent and tighten with an adjustable wrench. Do not overtighten. Install the MR1 1. Use a 3 mm hex wrench to install the four socket head bolts to the fluid assembly mount plate.

  • Page 24: Figure 36: Install Shoulder Bolts

    MR1 Manual 2. Use a 3 mm hex wrench to install the four shoulder bolts to the fluid assembly mount plate. Figure 36: Install Shoulder Bolts 3. Use a 4 mm hex wrench to install the four mounting bolts. Figure 37: Install Mounting Bolts 4.

  • Page 25: Figure 38: Mr1 With Cover

    MR1 Manual 5. Install the cover and install the cover screws. Figure 38: MR1 with Cover 6. Install the MR1 in the workstation or the workcell, as necessary. Page 25 of 33 Revision A March 2020...

  • Page 26: Technical Specifications

    MR1 Manual Technical Specifications Weight Approximately 6.8 kg (15 lbs) Material inlet 3/4’’ Sanitary Fitting Material outlet ¼’’ NPT Table 2: Technical Specifications Page 26 of 33 Revision A March 2020...

  • Page 27: Troubleshooting

    MR1 Manual Troubleshooting This section is designed to help solve problems before you call PVA. Refer to this section if a mechanical or electrical problem occurs. Troubleshooting Problem Possible Cause Corrective Action Lubrication fluid is discolored Opaque fluid is a sign of failed...

  • Page 28: Damaged Pump Gasket

    MR1 Manual Damaged Pump Gasket If material leaks from between the air body and metering sleeve, on the side of the pump, the pump gasket is worn. To replace the pump gasket, do the steps below: 1. Use a 3 mm hex wrench to remove six socket head bolts from the air section.
  • Page 29 MR1 Manual 4. Examine the pump gasket for any cracks or signs of wear on the side that was facing the metering sleeve. If the pump gasket is worn, it will be necessary to replace. DO NOT flip the pump gasket over or you can damage the pump.

  • Page 30: Calling Technical Support

    Technical Support is always available to help. The phone number is +1 (844) 734-0209 or you can email cs@pva.net to create a support ticket. Before you contact PVA, have the following information: 1. Record all the information on the OIT when the error occurred, include any error messages that may appear.

  • Page 31: Notes

    MR1 Manual Notes Page 31 of 33 Revision A March 2020...

  • Page 32: Warranty

    Unauthorized repair or modification of the enclosed product, and/or the use of spare parts not directly obtained from PVA (or from factory authorized dealers) will void all warranties.

  • Page 33: Table Of Figures

    Figure 36: Install Shoulder Bolts ......................... 24 Figure 37: Install Mounting Bolts ......................... 24 Figure 38: MR1 with Cover ............................ 25 Figure 39: Remove Bolts from Air Section ......................28 Figure 40: Remove Air Section from Fluid Section ..................28 Figure 41: Remove Gasket ............................

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