Quincy Compressor has been providing reliable, high-quality premium performance air compressor products for nearly 100 years. In addition to continually producing the most innovative products in our industry, a key reason for our longevity is our willingness to provide the best possible service to our customers. Whether you need the latest instruction manual, a performance data sheet or 24-hour emergency service, Quincy compressor is committed to customer support. For help with a Quincy Compressor product or service, please make a choice from the list below:
At Quincy Compressor safety is not only a primary concern, but a faithfully performed practice. Beginning with the design stage, safety is built into every Quincy compressor. It is the inten tion of this manual to pass along the “safety first” concept to you by providing safety precautions throughout its pages. Quincy Compressor is continuously looking for opportunities to provide our customers and potential customers with the industry’s most transparent testing and publishing standards. To this end, Quincy has decided to be an early adopter and is the first in the industry to test and publish according to the United States DOE Energy Conservation. Manual before attempting to operate or perform maintenance on this compressor. Fill Out & Return Warranty Registration Card Located Inside Manual No. 50219-10 8 October 2000 Edition Quincy QR-25® Series Model 390 Parts Manual Record of Change 108. Rotary: QSI Series. QSI 50 QSI 100 QSI 200 QSI 50-400 hp Premium Industrial Compressors. Quincy Compressor provides you with the industry’s most reliable direct drive air compressor on the market. Robust airends, and multiple option configurations ensure that a QSI is the correct solution for.
Sales & Service
Quincy offers an extensive network of authorized distributors across the United States and around the world. Our distributors have the knowledge and expertise to assist you with everything from choosing the best air compressor system design for your applications to providing valuable tips for keeping your air compressor in peak operating condition.
Our distributors can also serve as your one-stop source for air compressor replacement parts. And should your unit need repairs, your local Quincy distributor can get the job done quickly and affordably, while keeping costly downtime to a minimum. You’ll come to view your distributor as a trusted advisor.
Find a Dealer
Instruction Manuals
While all Quincy Compressor models are designed for simple operation, they are highly complex, technical machines that are not necessarily easy to understand. That’s why we offer a wide assortment of air compressor manuals that include everything you need to know about our products.
Review any Quincy Compressor manual to find air compressor diagrams, technical specifications, specific product features and benefits, easy-to-follow operating instructions and much more. A “must-have” for any Quincy Compressor owner is the “All Quincy Products” brochure that provides a wealth of valuable information about our entire product line.
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Performance Data Sheets
All applicable Quincy Compressor air compressors feature performance data sheets that include lots of relevant technical data about each model. You can download the performance data sheets at no cost.
Download a Performance Data Sheet
Material Safety Data Sheets (MSDS)
Safety is of utmost importance in any industry, and the air compressor industry is no exception. That’s why we provide our customers with easy access to material safety data sheets (MSDS) where applicable. MSDS sheets provide detailed information regarding hazard identification, appropriate first aid and firefighting measures, and how to protect your workers against the accidental release of toxic substances.
You’ll also learn the appropriate steps for safe handling and storage of lubricants and other potentially hazardous materials. As with our performance data sheets, you can download MSDS materials for free.
Download a Data Sheet
Parts Books
You’re bound to need replacement parts for your Quincy air compressor at some point. Our air compressor parts books are your one-stop resource for all of your parts needs. You can quickly locate the right part for your compressor, as well as obtain parts ordering information.
Find a Parts Book
Contact Us With Questions About Any of Our Air Compressor Guides
Feel free to contact your local authorized Quincy Compressor dealer if you have questions about any of our air compressor manuals. And if you can’t find the information you need, just let us known and we’ll be happy to assist you.
Quincy Qsi 235 Parts Manual
Having the right air compressor spare parts on hand can ensure a fast solution to a compressor repair issue, which can keep unproductive downtime to a minimum. Our spare parts and consumables inventory includes air/oil separator elements, inlet air filter elements and oil filter elements for our reciprocating and rotary screw models.
- Air/Oil Separator Elements
- Inlet Air Filter Elements
- Oil Filter Elements
Quincy 235 Air Compressor Manual
Genuine replacement parts
We carry a huge assortment of genuine replacement parts for rotary screw, reciprocating and oil-free compressors. You’ll find everything from compressor pump parts to belts, motors, gauges, valves and much more. You can always depend on the quality of a genuine Quincy replacement part.
- Actuators
- Bearings
- Belts
- Bumpers
- Bushings
- Connecting Rods
- Couplings
- Dessicant (Q Sorb)
- Gaskets/Seals
- Gauges
- Motors
- O-Rings
- Piston Rings/Rods
- Rotors
- Shims
- Springs
- Valves
Air compressor pump rebuild kit
Our rebuild kits contain all the internal and external parts you need to reconstruct a damaged or failing air compressor pump. Rebuilding a pump can prevent the costs associated with purchasing and brand-new product and can also help to extend compressor life.
Quincy 235 Air Compressor
Getting air compressor parts you need is as easy as contacting the authorized Quincy Compressor dealer in your local area.
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Only Quincy fluids and oils are approved for use in Quincy Compressors and Vacuum Pumps. These high-performance products have also been field tested and approved for use in other OEM brands of compressors.