OVERHAUL

Screw Compressor, Chiller & Blower

LOTO, incoming inspection, baseline data (amps, temps, pressure).
Disassembly of airend & auxiliaries; cleaning and dimensional checks.
Re-bearing, shaft-seal replacement, journals/bores inspection.
Rotor clearance setting; profile inspection; end-float verification.
Wear part renewal (gaskets, O-rings, valves as required).
Cooler cleaning, oil circuit flush; replace filters & separator.
Reassembly; alignment (coupling/belt tension).
Run test at load, leak check, ΔP/temperature trend, controller setpoints.
Deliverables: Overhaul report, parts list, run-test data, limited warranty.
Options: Dynamic balancing, heat-recovery kit, vibration baseline, oil analysis.

Refrigerant recovery (per regulation) and system open-up.
Compressor inspection/overhaul or replacement per OEM spec.
Heat-exchanger cleaning (chemical/mechanical), tube leak test.
Replace filter-drier, sight glass; TXV/EEV calibration.
Evacuation (deep vacuum), dehydration, recharge by weight/subcool.
Electrical/control panel inspection; sensor & safety calibration.
Pump/flow verification; insulation & condensate management.
Deliverables: Pressure/temperature log, superheat/subcool data, leak-test record, warranty.
Options: Glycol conversion, VSD on pumps/fans, water-treatment program.

Casing/impeller inspection, clearance check; rotor timing (Roots).
Bearing & seal replacement; gearbox inspection (if fitted).
Lube system flush, filter replacement; alignment/belt tension.
Dynamic balancing (turbo/impeller), run-in & performance check.
Deliverables: Clearance sheet, balancing report, run curve, warranty.