Vacuum Pump Operation and Maintenance Instructions Models 1947970-3 CFM 1948121-5 CFM 1948122-9 CFM
TABLE OF CONTENTS Introduction.........................................................................................................3 Key Features .......................................................................................................4 Safety/Limited Warranty................................................................................5 Grounding Instructions ...................................................................................6 Quick Start Guide ..........................
INTRODUCTION KEY FEATURES It is important to read the entire instruction manual carefully for a complete understanding of the hilmor Vacuum Pump features, limitations and specifications before use. hilmor products are designed and manufactured to be used by trained and licensed technicians. Incorrect use may result in accidents, injuries or death. Refer to page 5 for safety precautions.
SAFETY/LIMITED WARRANTY SAFETY PRECAUTIONS: To prevent personal injury, please read the operating manual carefully and operate only as instructed by following the guidelines listed below. 1. Wear safety glasses, gloves and all other recommended safety gear when working with refrigerants. Contact with refrigerants may cause injury. Please see any warnings associated with refrigerants. 2. Confirm all associated devices are grounded correctly before energizing circuit to avoid electrical shock hazards. 3.
QUICK START GUIDE Add hilmor Vacuum Pump Oil until it has reached between the Min and Max levels on the sight glass. Plug hilmor Vacuum Pump into a power source. Connect hilmor Vacuum Pump to the system with evacuation hoses. Turn hilmor Vacuum Pump on. Open gas ballast, then close after pulling to approximately 3,000 microns. Pull vacuum to desired vacuum level. Blank off system at manifold or hilmor Valve Core Removal Tool.
PUMP COMPONENTS Inlet Tree Fitting TECHNICAL SPECIFICATIONS Hoist Points Blank-off Valve Electrical Housing Power Cord Oil Fill Port/Exhaust Fan Cover Oil Housing Sight Glass Motor Part Number 1947970 1948121 1948122 Model 3 CFM 5 CFM 9 CFM Ultimate Vacuum 25 microns 25 microns 25 microns Motor 1/3 HP 1/2 HP 1 HP Voltage 120v 120v 120v Frequency 60Hz 60Hz 60Hz Amps 4.5 7.5 5.
OPERATING INSTRUCTIONS PRIOR TO OPERATION: The hilmor Vacuum Pump motor is designed for 120 volts, plus or minus 10%. The single voltage motor is fully connected and ready for operation. 1. Check the voltage at the outlet to ensure it matches the specifications on the hilmor Vacuum Pump motor plate. Ensure that the power switch is in the off position before connecting the pump to a power source.
TROUBLESHOOTING Issue Failure to Achieve Proper Vacuum Oil Leaking Excess Oil Mist Failure to Start Potential Cause 2 3 4 Solution One of the unused inlet tree fitting caps is loose Tighten all caps securely O-ring inside of intake port cap is damaged Replace the O-ring Insufficient oil Add oil to proper level Pump oil is dirty or emulsified Change oil 14 13 12 11 10 System leak Check the system for leaks Incorrect model pump Choose the correct CFM for the system Oil reservoir seal is
301 Chestnut Street, East Longmeadow, MA 01028 hilmor.
