070.750-IOM2 (JUN 22)
Page 2
HPS 273 and 407 Rotary Screw Compressor
Installation - Operation - Maintenance
Indicates an imminently hazardous situation that, if not avoided, results in death or serious injury.
Indicates a potentially hazardous situation or practice that, if not avoided, results in death or
serious injury.
Safety precaution denitions
Indicates a potentially hazardous situation or practice that, if not avoided, results in damage to
equipment or minor injury.
Indicates an operating procedure, practice, or portion thereof, which is essential to highlight.
Table of Contents
General information
Introduction .....................................................................3
Design limitations .............................................................3
Job inspection ..................................................................3
Standard bare compressor ............................................... 3
Transit damage claims ...................................................... 3
Compressor identication ................................................ 3
Long-term storage ............................................................ 5
Preparing the compressor for storage ..........................5
Maintaining the compressor in storage ........................ 6
Description ........................................................................6
HPS 273 and 407 compressors .................................... 6
Compressor lubrication system ................................... 6
Oil pump, optional ........................................................7
Balance piston oil requirements and regulation ............7
Construction details ..........................................................8
Design limits .................................................................8
Vibration and sound data .................................................. 9
Installation
Outline dimensions .........................................................11
Holding charge and storage ............................................ 11
Rigging and handling .......................................................11
Lifting instructions ......................................................11
Foundation ......................................................................12
Motor mounting, for foot-mounted motor only ..............12
Compressor/motor coupling requirements .................12
Coupling alignment requirements,
for foot-mounted motor only ..................................... 13
Customer connections ....................................................13
Compressor oil ................................................................ 14
Oil system .......................................................................14
Oil pump .........................................................................14
Oil heaters: heating wires and insulation ....................... 14
Oil filters .........................................................................14
Oil cooling requirements ................................................. 14
Dehydration/evacuation test ...........................................15
Electrical installation .......................................................15
Compressor hydraulic system..........................................15
Operation
Operation and start-up instructions ............................... 17
Ambient temperature effect on compressor operation .. 17
Before starting up the compressor .................................17
Calibrating the linear transmitter ................................17
Using an external source of pressure ....................... 18
Initial start-up procedure ...............................................18
Normal start-up, shutdown, and standstill
procedures ................................................................ 18
Control system ................................................................ 19
Maintenance
General information .......................................................21
General maintenance .....................................................21
Changing oil ....................................................................21
Maintenance schedule .....................................................22
Maintenance program .................................................... 23
Vibration analysis ...........................................................23
Oil quality and analysis ...................................................23
Operating log .................................................................23
Troubleshooting guide .................................................... 23
Abnormal operation
analysis and correction ...........................................23
Troubleshooting the HPS 273 and 407 compressors ....... 24
Replacing the capacity linear transmitter: slide valve 24
Replacing a bare compressor ....................................24
Shutdown due to incorrect oil pressure, high stage
and booster ...............................................................24
Forms
Compressor prestart checklist .........................................25
Alignment log for electric motor driver ........................... 26
Drive train alignment ....................................................... 26
Operating log sheet ........................................................26
Vibration data sheet ........................................................27
Compressor port locations .............................................. 28
Warning
Caution
Danger
Notice