Related Manuals for PICARRO A2000
Summary of Contents for PICARRO A2000
- Page 1 Maintenance Guide A2000 Pump Rebuild for Picarro Analyzers Picarro Inc. 3105 Patrick Henry Drive Santa Clara, CA 95054, USA Phone: +1 408 962 3900 • Fax +1 408 962 3200 www.picarro.com Document Number 40-0085 Revision A...
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Page 2: Picarro Notices
DISCLAIMER AND RESERVATION OF RIGHTS Picarro has prepared this manual solely for the information and use by its customers as a guide for the selection, installation, operation, and maintenance of the products described. -
Page 3: Contact Information
Contact Information Please contact Picarro for questions regarding specific applications and additional information. General Technical Support: Email: support@picarro.com Phone: + 1 408 962 3991 European Technical Support: Email: support@picarro.com Phone: +31 85 888 1650 Customer Service: Email: orders@picarro.com Phone: + 1 408 962 3992 A2000 Pump Maintenance P/N 40-0085 Rev. -
Page 4: Table Of Contents
Table of Contents Table of Contents Picarro Notices ......................2 Contact Information ...................... 3 Table of Contents ......................4 List of Figures ....................... 5 Introduction ......................6 Applicability ....................6 Symptoms Indicating Pump Rebuild is Required ........... 6 Pump Service Overview ................. 7 Safety ........................ -
Page 5: List Of Figures
Figure 23: Turn Pump Over and Service Lower Head ..........21 Figure 24: Install Handle ....................22 Figure 25: Tighten Transfer Tube Connections ............. 22 Figure 26: Cap Vacuum Inlet for Operational Quick Check ........... 23 Figure 27: Vacuum Measurement Meter ............... 24 A2000 Pump Maintenance P/N 40-0085 Rev. A... -
Page 6: Introduction
G2000, L2000, and PI2000 Picarro analyzers. Symptoms Indicating Pump Rebuild is Required The A2000 pump valves and diaphragms are parts that can wear out over time. The following symptoms may indicate the need to perform a pump maintenance by replacing the valves and diaphragms: •... -
Page 7: Pump Service Overview
2. Head Cover 6. Washer(s) 3. Diaphragm Clamping Disc 7. Connecting Rod (with square head screw) 8. Pump Housing 4. Diaphragm (Replaceable Part) 9. Transfer Tube Figure 1: Pump Service Components (Housing Cover Removed) A2000 Pump Maintenance P/N 40-0085 Rev. A... -
Page 8: Safety
WARNING may have been in contact with the pump. Service only one side of the pump at a time to avoid mixing parts. CAUTION P/N 40-0085 Rev. A A2000 Pump Maintenance... -
Page 9: System Shutdown And Preparation
To shut down instrument if analyzer software does not respond to a normal Shut down attempt from the UI: Open the Diagnostics folder and double-click the Stop Instrument icon. Select “Turn of analyzer in current state”. A2000 Pump Maintenance P/N 40-0085 Rev. A... -
Page 10: Disconnections Prior To Pump Servicing
Figure 3: Shutting Down Analyzer from Stop Instrument Icon Disconnections Prior to Pump Servicing Disconnect the pump from the analyzer. Disconnect the AC power cable from the pump. Move the pump to an area appropriate for service. P/N 40-0085 Rev. A A2000 Pump Maintenance... -
Page 11: Pump Service
• Pump Rebuild Kit (part number S2009) This can be ordered directly from Picarro and includes 4 diaphragms, 8 valves, and a 46 mm diaphragm key. These parts may also come as part of a preventive maintenance kit. Figure 4: Pump Rebuild Kit S2009 •... -
Page 12: Disassembly
Figure 5: Loosen Transfer Tube Nut Using the 5 mm Allen wrench, remove the two screws at the base of the pump handle and then remove the handle. Transfer Tube Figure 6: Remove the Handle P/N 40-0085 Rev. A A2000 Pump Maintenance... -
Page 13: Figure 7: Pump Cover Removal
Valves Figure 8: Housing Cover and Valve Removal Remove the valves and dispose of them. Remove the head covers, keeping their orientation on the bench consistent with their orientation in the pump. A2000 Pump Maintenance P/N 40-0085 Rev. A... -
Page 14: Figure 9: Remove Head Covers From Housing
CAUTION 10. Place the diaphragm removal tool around the diaphragm, seating it against the flats of the diaphragm support disc located under the diaphragm. P/N 40-0085 Rev. A A2000 Pump Maintenance... -
Page 15: Figure 11 Lift Edges Of Diaphragm And Insert Removal Tool
12. Firmly turn the tool counter-clockwise to release the diaphragm assembly. Tab on diaphragm removal tool (2 places) Ensure tabs “snap” into housing recess prior to loosening. Figure 11 Lift Edges of Diaphragm and Insert Removal Tool A2000 Pump Maintenance P/N 40-0085 Rev. A... -
Page 16: Figure 12: Support All Diaphragm Assembly Parts During Removal
14. Disassemble the Clamping Disc, Diaphragm, Support Disc, and Washer(s). (You may have to pry the Support Disc from the diaphragm underside.) Diaphragm Clamping Disc Diaphragm Support Disc Washer(s) Figure 13: Separating Diaphragm Assembly P/N 40-0085 Rev. A A2000 Pump Maintenance... -
Page 17: Reassembly
Push the assembly into the diaphragm removal tool, keeping all square holes aligned. This may take some practice. Figure 15: Preparing for Reinstallation Place the washer(s) onto the assembly. A2000 Pump Maintenance P/N 40-0085 Rev. A... -
Page 18: Figure 16: Washer(S) Added - Ready For Installation
This orientation will aid in preventing parts from falling into the housing during diaphragm installation. Connecting Figure 17: Aligning for Installation Carefully rethread the assembly into the pump connecting rod. Once fully seated, firmly tighten the diaphragm assembly, then remove the tool. P/N 40-0085 Rev. A A2000 Pump Maintenance... -
Page 19: Figure 18: Tighten Assembly Firmly
Figure 19: Press Around Diaphragm to Smooth Down Repeat all the above steps for the second diaphragm. 10. Install the head covers over the two diaphragms. A2000 Pump Maintenance P/N 40-0085 Rev. A... -
Page 20: Figure 20: Install Head Covers
Valves (Lobes facing each other) Figure 21: Valves Installed – Lobe Facing Lobe 12. Install the housing cover, reconnecting the transfer hose onto its barbed fitting, then install and tighten the six screws. P/N 40-0085 Rev. A A2000 Pump Maintenance... -
Page 21: Repeat Service For Lower Pump Head
Flip the pump over and repeat the same service steps for the lower pump head. Figure 23: Turn Pump Over and Service Lower Head Once the lower head diaphragms and valves are replaced perform reassembly and testing in the next section. A2000 Pump Maintenance P/N 40-0085 Rev. A... -
Page 22: Reassembly And Quick Test
Reinstall the handle (facing away from the inlet connection). Figure 24: Install Handle Using 13 mm wrench, tighten the transfer tube nuts. Do not overtighten; the nuts are plastic. Figure 25: Tighten Transfer Tube Connections P/N 40-0085 Rev. A A2000 Pump Maintenance... -
Page 23: Figure 26: Cap Vacuum Inlet For Operational Quick Check
In case of an unusual noise, switch off pump immediately and check clamping disc positions. Cap Inlet Figure 26: Cap Vacuum Inlet for Operational Quick Check A2000 Pump Maintenance P/N 40-0085 Rev. A... -
Page 24: Checking The Ultimate Vacuum
If the ultimate vacuum is not achieved after the break-in period, check transfer tube connectors at pump heads for leaks. If necessary, recheck valve seats and pump chambers. P/N 40-0085 Rev. A A2000 Pump Maintenance...
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