Installation Guide
Tools Needed:
- Adjustable wrench set
- Pipe thread sealant
- Air pressure gauge
- Level
- Screwdrivers (flat and Phillips)
- Teflon tape
Step-by-Step Installation
- Choose Installation Location: Select a clean, dry, well-ventilated area with adequate space for maintenance access and proper air circulation.
- Prepare Foundation: Ensure a solid, level concrete foundation that can support the compressor's weight and vibration.
- Electrical Connection: Connect to appropriate power supply (see specifications). All electrical work must comply with local codes.
- Air System Setup: Install proper air filtration, regulators, and lubricators in the air line system.
- Drain Installation: Connect condensate drain line to proper drainage system according to local regulations.
- Pressure Testing: Perform initial pressure test without load to check for leaks in connections.
- Initial Startup: Follow startup procedure in manual, checking oil levels and belt tension before operation.
Specifications
| Model Series | SCP185G |
| Type | Two-Stage Industrial Air Compressor |
| Horsepower | 5 HP |
| Tank Capacity | 80 Gallon Vertical |
| Maximum Pressure | 175 PSI |
| CFM at 90 PSI | 18.5 CFM |
| CFM at 175 PSI | 16.2 CFM |
| Motor Type | TEFC (Totally Enclosed Fan Cooled) |
| Power Requirements | 230V, Single Phase, 60Hz, 24A |
| Pump RPM | 1020 RPM |
| Noise Level | 78 dB at 1 meter |
| Dimensions (HxWxD) | 72 x 30 x 30 inches |
| Weight | 425 lbs |
Warranty Information
- Full Warranty: 2 years parts and labor
- Pump Warranty: 5 years on compressor pump
- Tank Warranty: Lifetime on ASME certified tank
- Additional Coverage: Optional extended service plans available
For warranty service, contact Snap-on Customer Service at 1-877-762-7662 or visit Snap-on.com
Key Features
Two-Stage Pump Design
Advanced two-stage compression provides higher efficiency, cooler operation, and longer pump life compared to single-stage compressors.
ASME Certified Tank
Heavy-duty 80-gallon ASME certified air tank with lifetime warranty, built to withstand industrial use and pressure cycling.
Magnetic Starter
Industrial-grade magnetic starter with overload protection ensures reliable motor starting and protection against voltage fluctuations.
Pressure Control System
Precision pressure switch with automatic shut-off and adjustable cut-in/cut-out pressures for optimal performance.
Thermal Overload Protection
Built-in thermal overload protection prevents motor damage from overheating during extended operation.
Low Oil Shutdown
Automatic shutdown system activates when oil levels drop below safe operating limits, preventing pump damage.
Performance Specifications
Air Delivery
18.5 CFM at 90 PSI for continuous tool operation
Duty Cycle
100% duty cycle capable of continuous operation
Recovery Time
Full tank recovery from 90 to 175 PSI in 2.5 minutes
Oil Capacity
64 oz synthetic compressor oil capacity
Belt Drive
Dual V-belt drive system for smooth power transmission
Cooling System
Large finned intercooler and aftercooler for efficient heat dissipation
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Compressor won't start | Power issue, pressure switch fault, thermal overload tripped | Check power supply, reset overload, inspect pressure switch |
| Low air pressure output | Air leaks, worn valves, incorrect belt tension | Check for leaks, inspect valves, adjust belt tension |
| Excessive noise/vibration | Loose mounting, worn bearings, piston slap | Tighten mounting bolts, check bearings, inspect pistons |
| Overheating | Dirty cooling fins, low oil, restricted ventilation | Clean cooling fins, check oil level, improve ventilation |
| Oil in air lines | Worn piston rings, overfilled oil, faulty separator | Check piston rings, adjust oil level, replace separator |
| Frequent cycling | Air leaks, large demand, faulty check valve | Locate and repair leaks, check system demand, replace check valve |
Error Codes & Indicators
- Red Light - Thermal Overload: Motor overheated - Allow to cool, check ventilation
- Yellow Light - Low Oil: Oil level below minimum - Check and add oil immediately
- Flashing Green - Pressure Switch Error: Pressure switch malfunction - Inspect and replace if needed
- Continuous Beep - High Temperature: System overheating - Shut down and investigate cause
- Intermittent Beep - Maintenance Due: Scheduled maintenance required - Perform oil change and inspection
- No Power - Circuit Breaker: Electrical issue - Check breaker and wiring connections
Manual Downloads
Current Model Manuals
SCP185G
5HP 80-Gallon Two-Stage
SCP245G
7.5HP 80-Gallon Industrial
SCP605G
10HP 120-Gallon Commercial
SCP80V
3HP 60-Gallon Vertical
Popular Previous Models
SCP707V
7.5HP 80-Gallon Vertical
SCP60V
5HP 60-Gallon Single Stage
SCP40H
3HP 30-Gallon Horizontal
SCP20P
2HP 20-Gallon Portable