Snap-on 20 Gallon Air Compressor

User Manual & Installation Guide

20 Gallon Capacity

Installation Guide

Tools Needed:

  • Adjustable wrench
  • Level
  • Screwdrivers (flat and Phillips)
  • Pipe wrench
  • Tape measure
  • Air hose fittings

Step-by-Step Installation

  1. Choose Installation Location: Select a clean, dry, well-ventilated location with adequate clearance for maintenance on a solid, level floor.
  2. Remove Shipping Materials: Remove all shipping bolts, brackets, and packaging materials from the air compressor.
  3. Check Oil Level: Verify the compressor oil level is at the proper mark on the sight glass before first use.
  4. Electrical Connection: Connect to a properly grounded 240V, 60Hz, dedicated circuit. Use appropriate wire gauge for distance from panel.
  5. Air System Setup: Install air filter on intake, connect air hose to outlet using appropriate fittings, and install pressure regulator if required.
  6. Drain Setup: Ensure automatic tank drain is functioning or install manual drain valve in accessible location.
  7. Test Run: Run the compressor through a complete cycle to check for leaks, proper pressure buildup, and safety valve operation.
Warning: All installations must be performed by a qualified technician to ensure proper operation and maintain warranty coverage. Ensure proper ventilation to prevent carbon monoxide buildup.

Specifications

Model Series SCP200G
Type Vertical Tank Air Compressor
Color Snap-on Red / Black
Tank Capacity 20 Gallons
Noise Level 78 dB
Control Type Pressure Switch with Gauge
Motor Power 2.5 HP
Air Delivery 7.5 CFM at 90 PSI
Max Pressure 175 PSI
Power Requirements 240V, 60Hz, 15A
Dimensions (HxWxD) 50 x 24 x 24 inches
Weight 185 lbs
Pump Type Oil-lubricated twin cylinder

Warranty Information

  • Full Warranty: 2 years parts and labor
  • Tank Warranty: Lifetime limited warranty
  • Pump Warranty: 3 years on compressor pump
  • Additional Coverage: Optional extended warranty available

For warranty service, contact Snap-on Customer Service at 1-877-762-7662 or visit Snap-on.com

Key Features

Industrial-Grade Pump

Features a cast iron twin-cylinder pump with large bore design for maximum air delivery and extended duty cycles with minimal maintenance requirements.

ASME Certified Tank

20-gallon ASME certified air tank with lifetime warranty, featuring corrosion-resistant interior coating and safety valve for maximum durability and safety.

Thermal Overload Protection

Built-in thermal overload protection automatically shuts off the motor if it overheats, preventing damage and extending motor life.

Low Oil Shutdown

Automatic low oil shutdown system protects the pump from damage by stopping operation when oil levels fall below safe operating limits.

Dual Voltage Capability

Configured for 240V operation with capability for 120V conversion (kit sold separately) for flexible installation options.

Quick Recovery Time

Rapid recovery time from 90 to 175 PSI ensures consistent air supply for continuous tool operation in professional environments.

Performance Specifications

Air Delivery

7.5 CFM at 90 PSI for continuous operation of most air tools

Duty Cycle

50% duty cycle at 90 PSI for professional workshop use

Startup Time

0 to 175 PSI in under 3 minutes for quick readiness

Tank Safety

175 PSI working pressure with 250 PSI burst pressure rating

Motor Efficiency

2.5 HP induction motor with high starting torque

Noise Control

78 dB operation with vibration isolation mounts

Troubleshooting

Problem Possible Cause Solution
Compressor won't start Power issue, pressure switch fault, thermal overload Check power supply, reset thermal overload, check pressure switch
Low air pressure Air leak, worn piston rings, intake filter clogged Check for leaks, inspect piston rings, clean/replace air filter
Excessive noise/vibration Loose components, worn bearings, improper mounting Tighten all fasteners, check bearings, ensure proper mounting
Oil in air lines Overfilled oil, worn piston rings, faulty separator Check oil level, inspect rings, replace separator if needed
Motor overheats Low voltage, restricted ventilation, excessive cycling Check voltage, ensure proper ventilation, reduce demand
Slow pressure buildup Worn valves, leaking check valve, intake restriction Inspect valves, check check valve, clean intake

Maintenance Codes & Indicators

  • Red Oil Light: Low oil level - Check and add compressor oil immediately
  • Thermal Overload: Motor overheated - Allow to cool, check ventilation
  • Pressure Switch Clicking: Normal operation - Indicates pressure regulation
  • Safety Valve Release: Overpressure condition - Check pressure switch operation
  • Excessive Condensation: Drain tank more frequently - Install auto-drain if needed
  • Belt Squeal: Loose or worn belt - Adjust tension or replace belt

Manual Downloads

Current Model Manuals

SCP200G

20 Gallon Vertical Compressor

SCP200GH

20 Gallon Horizontal Compressor

SCP200GO

20 Gallon Oil-Free Compressor

SCP200GP

20 Gallon Portable Compressor

Popular Previous Models

SCP150G

15 Gallon Vertical Compressor

SCP300G

30 Gallon Stationary Compressor

SCP200GX

20 Gallon Extreme Duty

SCP200GL

20 Gallon Low Noise Model

Note: For models not listed here, please visit the Snap-on Support Website for complete documentation and technical bulletins.