What to do if my Varian Water Pump has poor pump or system performance?
If your Varian Water Pump exhibits poor performance, several factors could be responsible: * Leaks in the system, whether virtual or real: You should locate and repair any leaks. * High process gas load: Measure the gas load and eliminate the cause. * System dirty: Clean the system to reduce outgassing.
What causes high forepressure in a Varian Water Pump?
High forepressure in your Varian Water Pump can be attributed to a few potential issues: a leak in the foreline, poor mechanical pump performance, or breakdown of mechanical pump fluid. To resolve this, check for leaks in the foreline, assess the mechanical pump's performance, and inspect the mechanical pump fluid for any signs of breakdown.
Why is my Varian Water Pump outgassing?
Outgassing in your Varian Water Pump may be due to a high process gas load. Measure the gas load and eliminate the cause.
How to fix poor ultimate pressure in Varian Water Pump?
If you're experiencing poor ultimate pressure with your Varian Water Pump, it could be due to contaminated pump fluid. Examine and clean the pump, then replace the fluid.
What to do if Varian Water Pump fluid is outgassing?
If the fluid in your Varian Water Pump is outgassing, condition the fluid by operating the pump for a few hours.
What causes high chamber forepressure in Varian Water Pump?
High chamber forepressure can be caused by a leak in the foreline, poor mechanical pump performance, breakdown of pump fluid, and incorrect valve operation. To resolve this, check for a leak in the foreline, poor mechanical pump performance, breakdown of pump fluid, and incorrect valve operation.
What to do if Varian Water Pump won't start?
If your Varian Water Pump won't start, safety circuits or protective devices might be preventing the contactor from staying closed. Check utilities, flow switches, interlocks, and thermostat operation.
What to do if there is inadequate cooling water flow in Varian Water Pump?
If you're experiencing inadequate cooling water flow in your Varian Water Pump, check the water pressure and inspect the tubing for obstructions and backpressure.
What to do if there is excessive or too cold cooling water in Varian Water Pump?
If you notice excessive or too cold cooling water in your Varian Water Pump, check the temperature and adjust the flow.
What to do if there is water in the quick-cool coil of Varian Water Pump?
If there is water in the quick-cool coil of your Varian Water Pump, check and remove the cause.
General| Brand | Varian |
|---|---|
| Model | HS-20 |
| Category | Water Pump |
| Language | English |
Provides key telephone and FAX numbers for Varian sales and service offices globally.
Outlines the process for making and handling warranty claims and product returns.
Explains the meaning and usage of warning and caution symbols in the manual.
Lists and describes potential hazards during operation and installation with corrective actions.
Initial inspection and familiarization with the manual before installation.
Lists the technical specifications for the HS-20 diffusion pump.
Details the physical dimensions, materials, and weight of the HS-20 diffusion pump.
Procedures for unpacking and cleaning the diffusion pump before installation.
Guidelines for connecting vacuum, cooling water, electrical systems, and safety interlocks.
Instructions and precautions for filling the diffusion pump with operating fluid.
Step-by-step guide for safely starting up the diffusion pump.
Step-by-step guide for safely shutting down the diffusion pump.
General advice on performing periodic checks for trouble-free operation.
Recommended checks for the diffusion pump's condition and fluid level.
Instructions for cleaning the diffusion pump when fluid deterioration occurs.
Detailed steps for taking apart and putting back together the cold cap assembly.
Information on the HS-20 jet assembly subassemblies and disassembly/reassembly.
Step-by-step instructions for replacing the diffusion pump's heating elements.
A comprehensive list of part numbers and descriptions for replaceable components.
Identifying common locations for leaks and their impact on performance.
Understanding and estimating gas load due to outgassing in high-vacuum systems.
Common faults, probable causes, and corrective actions for performance issues.
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