Installation Guide
Tools Needed:
- Adjustable wrench set
- Socket set
- Screwdrivers (flat and Phillips)
- Level
- Tape measure
- Pipe thread sealant
Step-by-Step Installation
- Choose Installation Location: Select a clean, dry, well-ventilated location with adequate space for maintenance access and proper air circulation.
- Foundation Preparation: Place compressor on a solid, level concrete floor or vibration-absorbing pads to minimize noise and vibration.
- Electrical Connection: Connect to appropriate power supply (see specifications). Ensure proper grounding and use correct wire gauge for distance.
- Air System Connection: Install air lines using appropriate fittings. Include a shut-off valve and drain valve in the system.
- Pressure Settings: Set cut-in and cut-out pressures according to requirements. Factory settings are typically 100-125 PSI.
- Oil Check: Verify proper oil level in compressor crankcase before initial startup.
- Initial Run Test: Run compressor through complete cycle to check for leaks, proper pressure buildup, and automatic shut-off.
Specifications
| Model | QT-54 |
| Type | Reciprocating Piston Air Compressor |
| Horsepower | 5.5 HP |
| Tank Capacity | 60 Gallons |
| Maximum Pressure | 175 PSI |
| CFM at 90 PSI | 18.1 CFM |
| CFM at 40 PSI | 21.5 CFM |
| Voltage | 230V Single Phase |
| Amperage | 24 Amps |
| Pump Type | Two-Stage |
| Dimensions (LxWxH) | 54 x 24 x 50 inches |
| Weight | 420 lbs |
| Noise Level | 78 dB |
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 Quincy Compressor at 1-800-874-0545 or visit QuincyCompressor.com
Key Features
Two-Stage Pump Design
The two-stage pump provides greater efficiency and cooler operation by compressing air in two steps, resulting in higher pressure with less heat generation.
ASME Certified Tank
60-gallon ASME certified tank with corrosion-resistant interior coating ensures safety and durability for long-term industrial use.
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 level, preventing pump damage.
Industrial-Grade Motor
5.5 HP industrial motor with high starting torque and thermal protection designed for continuous duty applications.
Performance Specifications
Air Delivery
18.1 CFM at 90 PSI for continuous tool operation
Duty Cycle
100% duty cycle capable of continuous operation
Recovery Time
Quick recovery from 100-125 PSI in under 2 minutes
Oil Capacity
1.5 quarts of compressor-specific oil
Pump Speed
Optimized 1020 RPM for balanced performance and longevity
Valve Design
Durable stainless steel valves for reliable sealing
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Compressor won't start | Power issue, pressure switch fault, thermal overload | Check power supply, reset thermal overload, test pressure switch |
| Low pressure output | Worn rings, leaking valves, intake filter clogged | Check compression, inspect valves, clean/replace air filter |
| Excessive noise/vibration | Loose components, worn bearings, improper mounting | Tighten all fasteners, check bearings, ensure proper installation |
| Oil in air lines | Worn piston rings, overfilled oil, wrong oil type | Check rings, adjust oil level, use correct compressor oil |
| Overheating | Dirty cooling fins, high ambient temperature, restricted airflow | Clean cooling surfaces, improve ventilation, check duty cycle |
| Frequent cycling | Air leaks, faulty check valve, undersized tank | Check for leaks, test check valve, verify system requirements |
Maintenance Codes & Indicators
- Red Indicator Light: Thermal overload - Allow compressor to cool, check ventilation
- Yellow Indicator Light: Low oil level - Check and add appropriate compressor oil
- Continuous Running: Air leak detected - Check system for leaks
- Failure to Build Pressure: Pump issue - Check valves, rings, and gaskets
- Excessive Condensation: Drain tank daily, check automatic drain function
- Unusual Knocking: Connecting rod or bearing issue - Immediate service required
Manual Downloads
QT Series Manuals
QT-54
5.5HP Two-Stage Compressor
QT-7.5
7.5HP Industrial Compressor
QT-10
10HP Heavy Duty Compressor
QT-15
15HP Commercial Compressor
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