Installation Guide
Tools Needed:
- Torque wrench set
- Air pressure gauge
- Socket set (metric/standard)
- Level
- Pipe thread sealant
- Compressor oil
Step-by-Step Installation
- Site Preparation: Select a clean, dry, well-ventilated location with adequate space for maintenance access and proper airflow.
- Foundation Requirements: Ensure concrete foundation meets minimum thickness requirements (6 inches minimum) and is perfectly level.
- Uncrating and Positioning: Remove all shipping materials and position compressor using appropriate lifting equipment.
- Electrical Connection: Connect to proper power supply per local electrical codes. Verify voltage and phase requirements.
- Air System Connection: Install proper air lines with minimum pressure drop. Include shut-off valves and drain legs.
- Oil System Check: Verify proper oil level and fill with recommended compressor oil if necessary.
- Initial Startup: Perform pre-start checklist, then initiate first run while monitoring all systems.
Specifications
| Model Series | SULLAIR 75-300 HP Industrial Series |
| Compressor Type | Rotary Screw Air Compressor |
| Drive Type | Direct Drive / Gear Drive |
| Capacity Range | 75-300 HP |
| Operating Pressure | 100-175 PSIG |
| Air Delivery | 300-1500 CFM |
| Control System | Microprocessor Control with Touch Display |
| Sound Level | 70-85 dBA |
| Power Requirements | 460V, 60Hz, 3 Phase |
| Dimensions (LxWxH) | Varies by model (90-180" x 48-72" x 72-96") |
| Weight | 2,500-8,000 lbs |
| Oil Capacity | 10-40 Gallons |
Warranty Information
- Standard Warranty: 2 years parts and labor
- Air End Warranty: 5 years on rotary screw air end
- Extended Coverage: Optional maintenance agreements available
For warranty service, contact Sullair Customer Service at 1-800-225-7437 or visit Sullair.com
Parts Catalog
Air End Assembly
Complete rotary screw air end assembly including male and female rotors, bearings, seals, and housing. Available for all HP ranges.
Filtration System
Air intake filters, oil filters, air/oil separators, and aftercoolers. High-efficiency elements for maximum compressor protection.
Control System Components
Microprocessor controllers, pressure sensors, temperature sensors, and safety switches for precise compressor control.
Cooling System
Oil coolers, aftercoolers, fan assemblies, and thermostatic valves for optimal operating temperatures.
Motor and Drive Components
Electric motors, couplings, drive belts, and gear assemblies for reliable power transmission.
Valve and Regulator Kits
Minimum pressure valves, blowdown valves, unloading valves, and pressure regulators for system control.
Common Replacement Parts
Oil Filters
High-capacity spin-on oil filters with anti-drainback valves
Air Filters
Two-stage air intake filters with pre-filters and main elements
Separator Elements
Coalescing separator elements for efficient oil separation
Bearings
Precision angular contact bearings for air end assemblies
Seal Kits
Complete shaft seal kits for air end rebuilds
Gaskets
Full gasket sets for all compressor models
Maintenance Guide
| Problem | Possible Cause | Solution |
|---|---|---|
| Compressor won't start | Power issue, safety switch tripped, controller fault | Check power supply, reset safety switches, check controller diagnostics |
| High operating temperature | Dirty cooler, low oil level, faulty thermostatic valve | Clean coolers, check oil level, replace thermostatic valve |
| Low air pressure | Air leaks, worn air end, faulty pressure valve | Check for leaks, inspect air end, test pressure valve |
| Excessive oil carryover | Worn separator, overfilled oil, high oil temperature | Replace separator element, check oil level, verify cooling |
| Unusual noises | Worn bearings, loose components, cavitation | Inspect bearings, tighten components, check suction conditions |
| High vibration | Misalignment, worn couplings, unbalanced rotor | Check alignment, inspect couplings, balance rotor assembly |
Maintenance Schedule
- Daily: Check oil level, drain condensate, inspect for leaks
- Weekly: Clean air intake, check belt tension, verify pressures
- Monthly: Test safety valves, clean coolers, check alignment
- Quarterly: Change oil, replace filters, inspect electrical connections
- Annually: Complete overhaul, bearing inspection, performance test
- 8000 Hours: Major service including air end inspection
Manual Downloads
Current Model Manuals
SULLAIR 75HP
75HP Rotary Screw Compressor
SULLAIR 100HP
100HP Industrial Compressor
SULLAIR 150HP
150HP Stationary Compressor
SULLAIR 200HP
200HP Heavy Duty Compressor
Popular Previous Models
SULLAIR 60HP
60HP Industrial Compressor
SULLAIR 125HP
125HP Rotary Screw Unit
SULLAIR 175HP
175HP Stationary Plant
SULLAIR 250HP
250HP Heavy Industrial