Installation Guide
Tools Needed:
- Adjustable wrench set
- Pressure gauge
- Screwdrivers (flat and Phillips)
- Pipe thread sealant
- Level
- Air hose fittings
Step-by-Step Installation
- Choose Installation Location: Select a clean, dry, well-ventilated area with adequate clearance for maintenance access.
- Prepare the Surface: Place on a solid, level concrete floor. Use vibration pads if installing on wood surfaces.
- Electrical Connection: Connect to appropriate power source (120V or 240V depending on model). Ensure proper grounding.
- Air System Setup: Install air filter/regulator, connect air hose using appropriate fittings with thread sealant.
- Check Oil Level: For oil-lubricated models, check and fill with proper compressor oil to recommended level.
- Pressure Settings: Set cut-in and cut-out pressure according to manufacturer specifications.
- Initial Test Run: Run compressor without load for 10 minutes to break in, then check for leaks and proper operation.
Specifications
| Model Series | Craftsman Professional Series |
| Type | Single Stage / Two Stage Air Compressors |
| Tank Capacity | 20-80 Gallon (Various Models) |
| Horsepower | 1.5 HP - 5.0 HP |
| Maximum Pressure | 125 PSI - 175 PSI |
| CFM at 90 PSI | 4.0 - 18.0 CFM |
| Motor Type | Induction Motor, Belt Driven |
| Pump Type | Cast Iron, Oil-Lubricated |
| Power Requirements | 120V/15A or 240V/20A |
| Noise Level | 70-85 dB |
| Dimensions (Typical) | 24" x 24" x 50" (20 Gallon) |
| Weight | 150-400 lbs |
Warranty Information
- Full Warranty: 1 year parts and labor
- Pump Warranty: 2 years on cast iron pump
- Tank Warranty: Lifetime limited warranty
- Extended Coverage: Available through Sears Protection Plans
For warranty service, contact Craftsman Customer Service at 1-888-331-4569 or visit Craftsman.com
Key Features
ASME Certified Tanks
All Craftsman air compressor tanks are ASME certified for safety and durability, with corrosion-resistant interiors for long service life.
Cast Iron Construction
Heavy-duty cast iron pumps and cylinders provide superior heat dissipation, longer life, and quieter operation compared to aluminum pumps.
Low Amp Draw Motors
Specially designed motors provide high starting torque with low amp draw, preventing circuit breaker trips and allowing operation on standard circuits.
Thermal Overload Protection
Built-in thermal overload protection automatically shuts off the motor if it overheats, preventing damage and ensuring safety.
Oil-Free Options
Select models feature oil-free pumps that require no maintenance and are ideal for applications where oil contamination is a concern.
Quick Recovery Time
High-efficiency pumps provide quick tank recovery, maintaining consistent air pressure for continuous tool operation.
Application Guide
Finishing Tools
Spray guns, nailers (4-6 CFM at 90 PSI)
General Workshop
Impact wrenches, ratchets (4-8 CFM at 90 PSI)
Heavy Duty
Sanders, grinders (8-12 CFM at 90 PSI)
Industrial
Sandblasters, drills (12+ CFM at 90 PSI)
Automotive
Lifts, tire changers (5-10 CFM at 90 PSI)
HVAC
Cleaning, testing (3-7 CFM at 90 PSI)
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Compressor won't start | Power issue, pressure switch, thermal overload | Check power supply, reset overload, check pressure switch |
| Low pressure output | Leaks, worn rings, intake filter clogged | Check for leaks, replace rings, clean/replace air filter |
| Excessive noise/vibration | Loose components, worn bearings, unbalanced pulley | Tighten all fasteners, check bearings, balance pulley |
| Overheating | Dirty fins, low oil, restricted ventilation | Clean cooling fins, check oil level, improve ventilation |
| Oil in air lines | Overfilled oil, worn piston rings | Drain excess oil, replace piston rings |
| Slow tank fill | Leaking check valve, worn valves, belt slippage | Replace check valve, service pump valves, adjust belt tension |
Maintenance Schedule
- Daily: Drain moisture from tank, check oil level
- Weekly: Check belt tension, inspect for leaks
- Monthly: Clean air filter, check safety valve
- Quarterly: Change oil (oil-lubricated models)
- Annually: Replace air filter, inspect valves
- As Needed: Check and tighten all fasteners
Manual Downloads
Professional Series Manuals
CMEC6150K
15 Gallon 1.5 HP Pancake
CMXECXA022024
20 Gallon 2.0 HP Vertical
CMEC6250
25 Gallon 2.5 HP Hot Dog
CMXECXA033060
30 Gallon 3.0 HP Vertical
Industrial Series Manuals
CMEC6800
60 Gallon 5.0 HP Two Stage
CMXECXA053080
80 Gallon 5.0 HP Industrial
CMEC6275
27 Gallon 2.0 HP Oil-Free
CMXECXA023330
33 Gallon 2.0 HP Horizontal