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Table of Contents
Related Manuals for Varian SD-301
Summarization of Contents
Safety Instructions
Unpacking Procedures
Instructions for safely unpacking the vacuum pump and checking for damage during transport.
Storage Guidelines
Recommendations for storing the pump to maintain reliability, including oil filling for extended periods.
Purges for Hazardous Gas Handling
All Pump Models Purge Use
Using dry nitrogen or inert gas for diluting flammable or contaminating gases in all pump models.
CP Models Specific Purges
Details on using gas ballast or a bubbler for purge operations in CP series pumps.
Purge Gas Flow Rate Setting
Start-up Purge Operation
Procedure for starting the pump with nitrogen purge at ultimate vacuum.
Stop Purge Operation
Procedure for operating the purge after stopping the pump to degas oil.
Operating Principle Overview
Lubrication and Oil Function
Explains the role of oil in lubricating components and managing heat in the pump.
Gas Ballast System
How the gas ballast injects neutral gas to prevent condensation of vapours.
Rotary Vane Pump Cycle
Vane Pumping Mechanism
Detailed explanation of the four stages of the rotary vane pumping cycle.
Two-Stage Pump Application
Pump Application Details
Information on where two-stage rotary vane pumps are best suited for low ultimate vacuum.
Pump Oil Regeneration
Pumping Condensable Vapours
Techniques for pumping condensable vapours, including hot pump operation.
Oil Selection Criteria
Choosing oil based on pump capacity, temperature, and gas ballast introduction.
Technical Characteristics and Product Range
Product Range Overview
General applications of Varian oil seal rotary vane pumps.
SD Series Pumps
Standard pumps for non-corrosive applications.
CD Series Pumps
Pumps suited for corrosive gases and R&D applications.
Recommended Lubricating Oils
Oil Selection Guide
Table of recommended VARIAN oils for different applications and their properties.
Initial Pump Start-up
Oil Filling Procedure
Steps for filling the pump with the correct type of oil.
Oil Level Checking
How to check the oil level using the sight glass for optimal performance.
Start-up Safety and Temperature
Preliminary Start-up Precautions
Essential safety checks and considerations before operating the pump.
Operating Temperature Guidelines
Recommended ambient and operating temperatures for the pump.
Start-up Operations and Checks
Oil Level Verification
Checking the oil level and ensuring the oil circuit is operating.
Pump Operation and Gas Ballast
Running the pump at ultimate vacuum and using gas ballast if needed.
Electrical Connections
Three-Phase Motor Connections
Wiring instructions for three-phase motors according to voltage ranges.
Single-Phase Motor Connections
Wiring instructions for single-phase motors including voltage selection.
Motor Protection and Electrical Safety
Connection and Protection Features
General recommendations for motor protection and electrical compliance.
Single-Phase Motor Specifics
Details on thermal circuit interruptors and voltage selector for single-phase motors.
Voltage Range Configuration
Procedure for changing the voltage range on single-phase motors.
Three-Phase Motor Specifications
Motor Electrical Data Tables
Summary tables of fuse and circuit breaker ratings for various motor types.
Mechanical Connections and Mounting
Frame Mounting and Vibration
Guidelines for mounting the pump on a frame using attachment holes and shock mounts.
Pump Ventilation Requirements
Ensuring adequate ventilation and minimum clearance around the pump.
Inlet and Exhaust Fittings
Information on pump inlet/exhaust orifices and connecting various line components.
Inlet and Exhaust Fitting Adjustments
Disassembling and Reassembling Fittings
Steps for changing the position of inlet and exhaust fittings.
General Maintenance Procedures
Maintenance Precautions
General safety advice before performing any maintenance operation.
Maintenance Frequency and Oil Draining
Oil Draining Procedure
Steps for safely draining contaminated oil from the pump.
Oil Flushing and Replacement
Oil Type Compatibility
Guidelines for changing oil types and compatibility between mineral and synthetic oils.
Compatible and Incompatible Oils
Information on which oil types can be mixed and which should not.
Pump Disassembly Steps
Exhaust Valve Cover Removal
Instructions for removing the exhaust valve cover and its components.
SD Pump Oil System Disassembly
Steps for disassembling the oil system of SD series pumps.
CD/CP Pump Oil System Disassembly
Steps for disassembling the oil system of CD and CP series pumps.
Pump Component Disassembly Details
Rear Flange Removal
Procedure for removing the rear flange from the pump.
HP Stator and Rotor Removal
Steps for removing the HP stator and rotor in two-stage pumps.
LP Stator and Rotor Removal
Steps for removing the LP stator and rotor in two-stage pumps.
Component Cleaning Procedures
Cleaning Metal Components
Guidelines for cleaning metal parts using various solvents.
Cleaning Sight Glass
Specific instructions for cleaning plastic and glass oil level sight glasses.
Shaft Seal Replacement
Extracting Shaft Seals
Method for safely extracting shaft seals from their housing.
Assembling Shaft Seals
Procedure for lubricating and assembling new shaft seals.
Pump Reassembly Sequence
Component Preparation for Reassembly
Preparing pump components and observing torque specifications for reassembly.
Median Flange Reassembly
Steps for reassembling the median flange, including checking lubrication holes.
Oil System Setting
Procedure for setting the oil system for SD series pumps.
Pump Reassembly Details
Oil Case and Gas Ballast Reassembly
Reassembling the oil case, gas ballast, and sight glass.
Motor Side Components Reassembly
Reassembling the seal holder and motor side components.
Tools and Consumable Products
Special Precautions for Maintenance
Warnings and precautions before performing pump maintenance.
Spare Parts Kits
Information on available seal kits, maintenance kits, and front seal replacement kits.
Recommended Tools List
List of recommended tools for pump maintenance and disassembly.
Returned Material Report Procedures
Reasons for Return
Checklist for specifying the reason for returning a product.
Failure Description
Detailed description of the suspected cause or nature of the product malfunction.
Returned Product Handling
Instructions for shipping returned products, including warranty compliance.
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