070.550-IOM (JUN 2016)
Page 24
NGC GAS ROTARY SCREW COMPRESSOR
MAINTENANCE
DRIVE TRAIN ALIGNMENT
Ambient Temperature at Time of Alignment ___________________
Oil Separator Temp. at Time of Alignment _________
Engine Coupling Type _________________ Size _______________
Distance Between Coupling Hub Faces ____________
Soft Foot Check
OK as Found
Shimming Required
Amount of Shims used to Correct ________________
Indicator Readings in
in./1000
mm
Indicator Clamped to
Engine
Compressor
Indicator Readings Facing Compressor
Engine
Magnetic Center Checked
Marked
N/A
Compressor Coupling Hub Runout ____________________________
Motor Coupling Hub Runout _____________________
Initial Cold Alignment
Initial Hot Alignment
Final Hot Alignment
Face
Rim
Face
Rim
Face
Rim
Thickness of Shims Added
Thickness of Shims Added
Thickness of Shims Added
OPERATING LOG SHEET
Date
Time
Hour Meter Reading
Equip. Room Temp.
Suction Pressure
Suction Temperature
Suction Superheat
Discharge Pressure
Discharge Temperature
Corresponding Temperature
Oil Pressure
Oil Temperature
Oil Filter Pressure Drop
Separator Temperature
Slide Valve Position
Volume Ratio (VI)
Motor Amps / FLA %
Capacity Control Setpoint
Oil Level
Oil Added
Seal Leakage (Drops/Min.)