Installation Guide
Tools Needed:
- Adjustable wrench set
- Socket set
- Screwdrivers (flat and Phillips)
- Pipe wrench
- Level
- Teflon tape
Step-by-Step Installation
- Choose Installation Location: Select a clean, dry, well-ventilated area with adequate clearance for maintenance and operation.
- Prepare Foundation: Ensure the compressor is placed on a solid, level concrete floor capable of supporting its weight.
- Check Oil Level: Verify the compressor oil is at the proper level before initial startup.
- Electrical Connection: Connect to appropriate power supply (see specifications). Ensure proper grounding and circuit protection.
- Air System Connection: Install air lines using proper fittings. Include a shut-off valve near the compressor outlet.
- Drain Installation: Connect condensate drain line to tank drain valve if automatic drain is installed.
- Pressure Settings: Verify pressure switch cut-in and cut-out settings are correct for your application.
- Initial Startup: Run the compressor without load for 30 minutes to break in the pump.
Specifications
| Model Number | IR185 |
| Type | Reciprocating Piston Air Compressor |
| Configuration | Two-Stage, Air-Cooled |
| Horsepower | 5 HP |
| Air Delivery (CFM) | 18.1 CFM at 175 PSI |
| Maximum Pressure | 175 PSI |
| Tank Capacity | 60 Gallons |
| Motor Type | TEFC (Totally Enclosed Fan Cooled) |
| Power Requirements | 230V, Single Phase, 60Hz |
| Amperage | 22.5 Amps |
| Dimensions (LxWxH) | 54 x 24 x 48 inches |
| Weight | 385 lbs |
| Noise Level | 78 dB(A) |
Warranty Information
- Full Warranty: 2 years parts and labor
- Pump Warranty: 5 years on compressor pump
- Tank Warranty: Lifetime limited warranty on ASME tank
- Additional Coverage: Optional extended service plans available
For warranty service, contact Ingersoll Rand Customer Service at 1-800-847-4041 or visit ingersollrand.com
Key Features
Two-Stage Compression
Provides greater efficiency and higher pressure capabilities than single-stage compressors, delivering more air with less energy consumption.
Iron Cylinder Construction
Durable cast iron cylinders provide superior heat dissipation and longer service life compared to aluminum construction.
ASME Certified Tank
60-gallon ASME certified air tank with lifetime warranty ensures safety and reliability under continuous operation.
Pressure Lubricated Pump
Full pressure lubrication system ensures proper oil distribution to all moving parts, reducing wear and extending pump life.
Thermal Overload Protection
Built-in thermal overload protection prevents motor damage from overheating during extended operation or high ambient temperatures.
Low Oil Shutdown
Automatic shutdown feature activates when oil level drops below safe operating minimum, preventing pump damage.
Control System Features
Magnetic Starter
Heavy-duty magnetic starter with overload protection for reliable motor starting and operation.
Pressure Switch
Adjustable pressure switch with unloader valve for automatic compressor cycling between cut-in and cut-out pressures.
Check Valve
Prevents backflow of compressed air from tank to pump when compressor is off, reducing restart load.
Safety Valve
ASME certified safety relief valve automatically releases pressure if system exceeds maximum safe operating pressure.
Drain Valve
Easy-access ball valve for manual tank draining, with optional automatic drain kit available.
Pressure Gauge
Dual gauges display tank pressure and regulated outlet pressure for precise tool operation.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Compressor won't start | Power issue, pressure switch fault, thermal overload tripped | Check power supply, reset overload, verify pressure switch operation |
| Low air pressure output | Air leaks, intake filter clogged, worn valves | Check for leaks, clean/replace intake filter, inspect valve plates |
| Excessive noise/vibration | Loose mounting bolts, worn bearings, piston slap | Tighten all bolts, check bearings, inspect piston clearance |
| Overheating | Dirty cooling fins, low oil, restricted ventilation | Clean cooling fins, check oil level, ensure adequate ventilation |
| Oil in air lines | Worn piston rings, overfilled oil, wrong oil type | Check piston rings, drain to proper level, use recommended oil |
| Excessive cycling | Air leaks, worn check valve, incorrect pressure settings | Find and repair leaks, replace check valve, adjust pressure switch |
Common Error Indicators
- Red Oil Light: Low oil level - Check and add oil immediately
- Thermal Overload Trip: Motor overheating - Allow to cool, check ventilation
- Pressure Switch Failure: Compressor won't cycle - Check/adjust pressure settings
- Unusual Knocking: Worn bearings or connecting rod - Immediate service required
- Excessive Blow-by: Worn piston rings - Compression test needed
- Safety Valve Release: Pressure switch malfunction - Do not reset, contact service
Manual Downloads
IR 185 Series Manuals
IR185-60
5HP 60-Gallon Stationary
IR185V-60
5HP 60-Gallon Vertical
IR185-80
5HP 80-Gallon Stationary
IR185-60P
5HP 60-Gallon Package
Related Models & Accessories
IR2475
7.5HP Two-Stage Compressor
IR-30
3HP Single-Stage Compressor
IR-AUTO-DRAIN
Automatic Tank Drain Kit
IR-FILTER-KIT
Air Line Filter/Regulator Kit