Bissell HS-20 instruction manual Warranty Replacement and Adjustment

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Warranty

Products manufactured by Seller are warranted against defects in materials and workmanship for twelve (12) months from date of shipment thereof to Customer, and Seller’s liability under valid war- ranty claims is limited, at the option of Seller, to repair, replacement, or refund of an equitable portion of the purchase price of the Product. Items expendable in normal use are not covered by this warranty. All warranty replacement or repair of parts shall be limited to equipment malfunctions which, in the sole opinion of Seller, are due or traceable to defects in original materials or workman- ship. All obligations of Seller under this warranty shall cease in the event of abuse, accident, alter- ation, misuse, or neglect of the equipment. In-warranty repaired or replacement parts are warranted only for the remaining unexpired portion of the original warranty period applicable to the repaired or replaced parts. After expiration of the applicable warranty period, Customer shall be charged at the then current prices for parts, labor, and transportation.

Reasonable care must be used to avoid hazards. Seller expressly disclaims responsibility for loss or damage caused by use of its Products other than in accordance with proper operating procedures.

Except as stated herein, Seller makes no warranty, express or implied (either in fact or by operation of law), statutory or otherwise; and, except as stated herein, Seller shall have no liability under any warranty, express or implied (either in fact or by operation of law), statutory or otherwise. Statements made by any person, including representatives of Seller, which are inconsistent or in conflict with the terms of this warranty shall not be binding upon Seller unless reduced to writing and approved by an officer of Seller.

Warranty Replacement and Adjustment

All claims under warranty must be made promptly after occurrence of circumstances giving rise thereto, and must be received within the applicable warranty period by Seller or its authorized repre- sentative. Such claims should include the Product serial number, the date of shipment, and a full description of the circumstances giving rise to the claim. Before any Products are returned for repair and/or adjustment, written authorization from Seller or its authorized representative for the return and instructions as to how and where these Products should be returned must be obtained. Any Product returned to Seller for examination shall be prepaid via the means of transportation indicated as acceptable by Seller. Seller reserves the right to reject any warranty claim not promptly reported and any warranty claim on any item that has been altered or has been returned by non-acceptable means of transportation. When any Product is returned for examination and inspection, or for any other rea- son, Customer shall be responsible for all damage resulting from improper packing or handling, and for loss in transit, notwithstanding any defect or non-conformity in the Product, in all cases, Seller has the sole responsibility for determining the cause and nature of failure, and Seller’s determination with regard thereto shall be final.

If it is found that Seller’s Product has been returned without cause and is still serviceable, Customer will be notified and the Product returned at its expense; in addition, a charge for testing and examina- tion may be made on Products so returned.

3/5/97

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Contents HS-20 Diffusion Pump Sales and Service Offices Telephone Numbers Warranty Warranty Replacement and AdjustmentPage Page Iii Prohibited Action Explosion-Causing Condition Prohibited Action Result Page Vii Page Page Table of Contents Section Safety Considerations Section I InstallationList of Illustrations List of TablesOperating Specifications See Figure Installation GeneralModel Technical Specifications ASA Outline Drawing HS-20 Diffusion Pump, with ASA Flanges Cleaning a NEW Pump UnpackingInstallation Safety Considerations and Interlocks Utility and System ConnectionsVacuum Connections Cooling Water Connections See FigureCooling Water Connections Thermal Switches Initial Vacuum Test240/400/430/440/480 V Wiring Diagram HS-20 Diffusion Pump 415 V Wiring Diagram HS-20 Diffusion Pump Adding Pump Fluid Sight Glass Assembly START-UP Procedure OperationShutdown Procedure OperationMaintenance General Periodic InspectionMaintenance CleaningDisassembling and Reassembling the Cold CAP Refer to Figure Do not overtighten the screwExternal Fittings Cold Cap Assembly Disassembling the Jet Assembly Refer to Figure JET AssemblyDisassembling the Lower Jet Assembly Inch Jet Assembly Reassembling the Jet Assembly Maintenance Reassembling the Lower Jet AssemblyHeater Replacement Jet Coupling Tighten clamping nuts to 250 in.-lbs Maintenance Replaceable Parts Maintenance Outgassing Troubleshooting LeakagePoor Pump or System Performance Troubleshooting