Installation Guide
Tools Needed:
- Adjustable wrench
- Level
- Screwdrivers (flat and Phillips)
- Pliers
- Tape measure
Step-by-Step Installation
- Choose Installation Location: Select a well-ventilated area on a solid, level floor away from flammable materials and excessive moisture.
- Unpack and Inspect: Remove all packaging materials and inspect the compressor for any shipping damage.
- Check Oil Level: Verify the oil level in the pump crankcase and add recommended oil if necessary.
- Position the Compressor: Place the compressor on a stable surface, ensuring all four feet are firmly planted.
- Electrical Connection: Connect to a properly grounded 120V, 15A, AC only outlet with correct circuit protection. Do not use an extension cord.
- Connect Air Hose: Attach the air hose to the compressor outlet using appropriate fittings and thread sealant.
- Pressure Settings: Set the pressure regulator to the recommended PSI for your tools (typically 90-120 PSI).
- Test Run: Run the compressor without load for 10-15 minutes to break in the pump, then check for leaks and proper operation.
Specifications
| Model Number | 919 |
| Type | Single Stage, Oil-Lubricated |
| Horsepower | 1.5 HP |
| Tank Capacity | 6 Gallon |
| Max Pressure | 125 PSI |
| CFM at 90 PSI | 4.0 CFM |
| CFM at 40 PSI | 5.1 CFM |
| Noise Level | 78 dB |
| Voltage | 120V, 60Hz |
| Amperage | 15A |
| Dimensions (HxWxD) | 24 x 15 x 18 inches |
| Weight | 52 lbs |
| Pump Speed | 1725 RPM |
Warranty Information
- Full Warranty: 1 year parts and labor
- Pump Warranty: 2 years on compressor pump
- Tank Warranty: Lifetime limited warranty on ASME tank
- Additional Coverage: Optional extended warranty available
For warranty service, contact Craftsman Customer Service at 1-888-331-4569 or visit Craftsman.com
Key Features
Oil-Lubricated Pump
The oil-lubricated pump provides superior durability and longer life compared to oil-free models, with better heat dissipation and reduced wear on components.
ASME Certified Tank
The 6-gallon ASME certified tank meets rigorous safety standards and is built to withstand years of reliable service with proper maintenance.
Thermal Overload Protection
Built-in thermal overload protection automatically shuts off the motor if it overheats, preventing damage and ensuring safe operation.
Quick-Connect Coupler
The industrial-style quick-connect coupler allows for easy tool changes without tools, saving time and improving workflow efficiency.
Dual Pressure Gauges
Separate gauges for tank pressure and regulated output pressure provide precise control and monitoring of your air supply.
Low Amp Draw Motor
The 1.5 HP motor is designed for low amp draw, allowing operation on standard 15-amp household circuits without tripping breakers.
Recommended Applications
Nailing & Stapling
Ideal for finish nailers, brad nailers, and staplers for trim work and light construction
Inflating
Perfect for inflating tires, sports equipment, air mattresses, and pool toys
Spray Painting
Suitable for HVLP spray guns for small to medium painting projects
Air Tools
Powers impact wrenches, ratchets, and die grinders for automotive work
Cleaning
Provides air for cleaning dust from tools, electronics, and work areas
Air Brushing
Delivers consistent pressure for detailed airbrush work on models and artwork
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Compressor won't start | Power issue, pressure switch fault, thermal overload tripped | Check power supply, reset thermal overload, check pressure switch |
| Low pressure output | Leaks in system, worn piston rings, clogged intake filter | Check for air leaks, clean/replace intake filter, inspect piston rings |
| Excessive noise/vibration | Loose components, worn bearings, improper mounting | Tighten all fasteners, check motor bearings, ensure proper mounting |
| Oil in air lines | Overfilled oil, worn piston rings, wrong oil type | Check oil level, use correct compressor oil, inspect piston rings |
| Motor overheats | Restricted ventilation, excessive cycling, low voltage | Ensure proper ventilation, check for leaks, verify voltage |
| Slow recovery time | Intake filter clogged, leaking check valve, worn components | Clean intake filter, check valve operation, inspect wear components |
Maintenance Schedule
- Daily: Drain moisture from tank, check oil level
- Weekly: Inspect for leaks, check belt tension (if applicable)
- Monthly: Clean intake filter, check all fasteners
- Every 3 Months: Change oil (or per manufacturer recommendation)
- Every 6 Months: Inspect safety valve, check pressure switch
- Annually: Complete system inspection, replace air filter
Manual Downloads
Current Model Manuals
Model 919
6 Gallon Oil-Lubricated Compressor
Model 921
8 Gallon Oil-Free Compressor
Model 925
10 Gallon Portable Compressor
Model 930
15 Gallon Stationary Compressor
Popular Previous Models
Model 917
5 Gallon Pancake Compressor
Model 915
3 Gallon Hot Dog Compressor
Model 912
4 Gallon Twin Tank Compressor
Model 908
2 Gallon Portable Compressor