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PVA MR1, Owner'S Manual

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PVA MR1 Owner'S Manual Download Page 27

 

MR1 Manual 

 

Revision B 

/

 June 2021 

Page 27 of 33 

 

 

 

Troubleshooting  

217B

This section is designed to help solve problems before you call PVA. Refer to this section if 
a mechanical or electrical problem occurs. 

46B

Troubleshooting Problem 

 

47B

Possible Cause 

 

48B

Corrective Action 

 

49B

Lubrication fluid is discolored 

•

 

50B

Opaque fluid is a sign of failed 
lip seals 

•

 

51B

Replace the lip seals and the 
lubrication fluid 

52B

The metering piston does not 
refill 

•

 

53B

Material pressure is too low 

•

 

54B

Lip seal is damaged 

•

 

55B

Increase the material 
pressure 

•

 

56B

Replace the lip seal and 
replace the lubrication fluid 

57B

Material leaks from the pump 
body 

•

 

58B

The gasket is damaged 

•

 

59B

Replace the gasket 

60B

The pump does not shut off 

•

 

61B

The gasket is damaged 

•

 

62B

The piston has material 
contamination 

•

 

63B

Replace the gasket 

•

 

64B

Clean the piston 

65B

Material contamination  

•

 

66B

The gasket is damaged 

•

 

67B

Clean the fluid block, replace 
the pump gasket, replace the 
lubrication fluid 

68B

The material has air in it 

•

 

69B

Pump was not correctly 
purged 

•

 

70B

Purge the pump until the 

metering piston reaches its 
full travel, the machine may 
error out and all the pump to 
fully refill 

41B

Table 4: Troubleshooting 

 

 

 

 

 

 

 

Summary of Contents for MR1

Page 1: ...143B MR1 Owner s Manual Revision B WHERE PRECISION DRIVES PRODUCTION ...

Page 2: ...ent with respect to changes subsequently made 145BPrecision Valve and Automation Inc makes no representation or warranty expressed implied or statutory with respect to and assumes no responsibility for the accuracy completeness sufficiency or usefulness of the information contained herein No warranties of merchantability or fitness for purpose shall apply 146BThis document including the informatio...

Page 3: ...ment 7 Waste Disposal 7 Necessary Tools 7 Spare Parts Kit 7 Setup 8 Overview 8 Operation 9 Bleed the Pump 9 Shutdown 9 Remove the Pump 9 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 31 Warranty 32 Table of Figures 33 ...

Page 4: ...Drive 154BCohoes NY 12047 155BTel 1 518 371 2684 156BFax 1 518 371 2688 157BWebsite http www pva net 158BEmail info pva net 159BTechnical Support 160BTel 1 844 734 0209 161BEmail cs pva net Document History Revision Revision Date Reason for Changes REV B June 2021 Spare Parts Update REV A March 2020 Initial Release 234BNote All photographs and CAD model representations in this document are a gener...

Page 5: ...unit Never put hands or tools in areas with this symbol when the machine is in operation A dangerous condition may exist Read and understand the manuals provided with the unit before any repairs or maintenance is done Only a qualified individual should do service Use caution when there are pressurized vessels Find and repair any leaks immediately Always wear appropriate safety equipment when you w...

Page 6: ... hazardous voltages current temperatures or other conditions that could cause personal injury exist in this equipment or may be associated with its use Only qualified personnel should enter areas designated with this symbol Laser light source present Do not stare directly into the beam Do not use in the presence of highly reflective surfaces Pinch hazard from moving parts Avoid contact Hot surface...

Page 7: ...ensed for other precautions Waste Disposal 165BDispose of all used parts and materials in accordance with local laws and regulations Necessary Tools 166BPVA offers tools and cleaning accessories to maintain the MR1 167BPart Number 168BDescription 169B02506 170BHook and Pick Set 171BSoft jaw Pliers and or Vice 172BLubrication Fluid 173BSilicone Grease 174B2 5 mm and 3 mm T handle or Hex Key 175B90 ...

Page 8: ...w 177BThe MR2 metered piston dispenser is constructed from three main components 71BThe upper section of the pump is called the metering body it houses the carbide cylinder and piston 72BOn the front of the metering body is the oil window and fluid distribution block which are used to ensure the pistons function smoothly 73BThe lower section of the pump is called the metering sleeve which is cover...

Page 9: ...the air pressure in the system to zero 2 77BBleed the pressure out of the pump and install the nightcap Make sure to wipe off any excess material before screwing on nightcap Remove the Pump 1 78BBefore you remove the MR1 from the material supply system use the purge button to dispense until the piston is all the way down 2 79BEngage the workcell Emergency Stop button and turn the air pressure to 0...

Page 10: ...e the fluid section from the drive assembly remove the airlines 6 83BUse a 3 mm hex wrench to remove the four shoulder bolts from the fluid assembly mount plate 7 84BUse a 3 mm hex wrench to remove the four socket head bolts from the fluid assembly mount plate 181B 4BFigure 3 Shoulder and Socket Bolts 8 85BSeparate the pump from the drive assembly mount 182B 5BFigure 4 Remove Pump from Drive Assem...

Page 11: ...indow 183B 6BFigure 5 Breather Vent Disassembly 1 87BTurn the wing screw counterclockwise to loosen it Remove the clamp and fitting Do not lose the clamp adaptor seals 184B 7BFigure 6 Clamp and Sanitary Fitting Removed 2 88BUse a 3 mm hex wrench to remove the six socket head bolts from the air section 185B 8BFigure 7 Remove Bolts from Air Section ...

Page 12: ... Section 4 90BThe gasket is the black mat under the air body Remove the gasket and clean it 187B 10BFigure 9 Remove Gasket 5 91BExamine the gasket for any cracks or signs of wear on the side that faces the metering sleeve If the gasket is worn replace it DO NOT flip the gasket over or you can damage the pump 188B 11BFigure 10 Worn Pump Gasket ...

Page 13: ...to remove the four socket head bolts from the fluid distribution block 189B 12BFigure 11 Remove Socket Head Bolts 8 94BPull the fluid distribution block out of the metering body 190B 13BFigure 12 Separate Fluid Distribution Block from Metering Body 9 95BPull the metering sleeve out of the metering body to remove it 191B 14BFigure 13 Remove Metering Sleeve from Metering Body ...

Page 14: ...5BFigure 14 Remove Metering Piston from Metering Sleeve 11 97BPlace an adjustable wrench on the flat part of the metering piston 193B 16BFigure 15 Adjustable Wrench on Flats 12 98BUse a flathead screwdriver to turn the screw counterclockwise and remove the lip seal screw 194B 17BFigure 16 Remove Lip Seal Screw ...

Page 15: ...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 196B 19BFigure 18 Oil Window 15 101BClean all of the necessary parts 237BNote If threads are not cleaned properly the fittings will bind Ensure that threads are clean before proceeding with assembly 238BNote Do not leave material on any of the pump components ...

Page 16: ...ons 1 102BPut the pump gasket on the air section 197B 20BFigure 19 Place Pump Gasket on Air Section 2 103BPlace the air section on the fluid section Make sure that the air ports and fluid inlet are on the same side 198B 21BFigure 20 Align Air Ports and Fluid Inlets ...

Page 17: ...igure 21 Install Socket Head Bolts on Air Section 4 105BApply silicone grease to the O ring side of the lip seal 5 106BInstall the lip seal on the screw 6 107BInstall washer on top of the lip seal Apply pressure to push on the washer until it is fully engaged You will hear a small click 7 108BInstall the screw onto the metering piston Tighten the screw until it is fully engaged 200B 23BFigure 22 I...

Page 18: ...icone grease to the O rings and install one in each end of the metering sleeve 201B 24BFigure 23 Metering Sleeve with O rings Installed 9 110BCarefully install the metering sleeve into the metering body 202B 25BFigure 24 Install Metering Sleeve into Metering Body ...

Page 19: ...etering piston into the metering sleeve 203B 26BFigure 25 Install Metering Piston 11 112BPush the metering piston through the metering body with your finger The end of the piston will come through the top of the metering body 204B 27BFigure 26 Install Metering Piston ...

Page 20: ...nd fluid body pins with the metering body 13 114BInstall two M4x80 bolts on top of the air fluid distribution body and two M4x40 bolts on the bottom 205B 28BFigure 27 Install M4x80 bolts 14 115BUse an adjustable wrench install the needle 206B 29BFigure 28 Install Needle ...

Page 21: ...all any air or material ports 2 117BInstall the clamp adapter seal 207B 30BFigure 29 Clamp Adapter Seal 3 118BInstall the clamp elbow 208B 31BFigure 30 Clamp Elbow Installed 4 119BInstall the clamp Turn the wing screw until it is tight 209B 32BFigure 31 Install the Clamp ...

Page 22: ...32 Clamp Adapter Seal 6 121BInstall the clamp adapter 7 122BInstall the clamp Turn the wing screw until it is tight Fill the Fluid Distribution Block 1 123BTo fill the fluid distribution block with lubrication fluid use an adjustable wrench to remove the breather vent 211B 34BFigure 33 Breather Vent ...

Page 23: ...ll line on the oil window 212B 35BFigure 34 Fill Line 3 125BKeep the pump upright Install the breather vent and tighten with an adjustable wrench Do not overtighten Install the MR1 1 126BUse a 3 mm hex wrench to install the four socket head bolts to the fluid assembly mount plate 213B 36BFigure 35 Install Socket Bolts ...

Page 24: ... 3 mm hex wrench to install the four shoulder bolts to the fluid assembly mount plate 214B 37BFigure 36 Install Shoulder Bolts 3 128BUse a 4 mm hex wrench to install the four mounting bolts 215B 38BFigure 37 Install Mounting Bolts 4 129BInstall the air lines ...

Page 25: ...MR1 Manual Revision B June 2021 Page 25 of 33 5 130BInstall the cover and install the cover screws 216B 39BFigure 38 MR1 with Cover 6 131BInstall the MR1 in the workstation or the workcell as necessary ...

Page 26: ...MR1 Manual Revision B June 2021 Page 26 of 33 Technical Specifications Weight Approximately 6 8 kg 15 lbs Material inlet 3 4 Sanitary Fitting Material outlet NPT 40BTable 3 Technical Specifications ...

Page 27: ... seal is damaged 55BIncrease the material pressure 56BReplace the lip seal and replace the lubrication fluid 57BMaterial leaks from the pump body 58BThe gasket is damaged 59BReplace the gasket 60BThe pump does not shut off 61BThe gasket is damaged 62BThe piston has material contamination 63BReplace the gasket 64BClean the piston 65BMaterial contamination 66BThe gasket is damaged 67BClean the fluid...

Page 28: ...he pump gasket do the steps below 1 132BUse a 3 mm hex wrench to remove six socket head bolts from the air section 219B 42BFigure 39 Remove Bolts from Air Section 2 133BRemove the air section from the fluid section 220B 43BFigure 40 Remove Air Section from Fluid Section 3 134BThe pump gasket is the black mat under the air body Remove the pump gasket and clean it 221B 44BFigure 41 Remove Gasket ...

Page 29: ...ing 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 222B 45BFigure 9 Worn Pump Gasket 5 136BInstall the new pump gasket 6 137BInstall the air body 7 138BInstall the six socket head bolts Tighten them in a cross pattern 8 139BClean all material ...

Page 30: ...fore you contact PVA have the following information 1 140BRecord all the information on the OIT when the error occurred include any error messages that may appear 2 141BRecord the operation in progress when the module had the error when did it have problems what was it doing etc 3 142BIf the error was not serious attempt to repeat the error If the error does not repeat the problem may have been op...

Page 31: ...MR1 Manual Revision B June 2021 Page 31 of 33 Notes ...

Page 32: ...extend only to the original purchaser Third party warranty claims will not be honored at any time 228BPrior to returning a product for a warranty claim a return authorization must be obtained from PVA s Technical Support department Authorization will be issued either via the telephone facsimile or in writing upon your request 229BTo qualify as a valid warranty claim the defective product must be r...

Page 33: ...r Metering Piston Disassembled 15 256BFigure 18 Oil Window 15 257BFigure 19 Place Pump Gasket on Air Section 16 258BFigure 20 Align Air Ports and Fluid Inlets 16 259BFigure 21 Install Socket Head Bolts on Air Section 17 260BFigure 22 Install Lip Seal Washer Screw 17 261BFigure 23 Metering Sleeve with O rings Installed 18 262BFigure 24 Install Metering Sleeve into Metering Body 18 263BFigure 25 Ins...

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