Description

Atlas Copco XAMS 407 Cd, XAMS 850 CD7, XATS 377 Cd, XATS 800 CD7, XAHS 347 Cd 2008 User Manual

If you’re turning wrenches on any of these five Atlas Copco portable compressors and you don’t have the factory manual on the bench, you’re asking for a comeback. I’ve seen guys torque a compressor element with a generic spec and watch the seal walk out inside a hundred hours. This Atlas Copco XAMS 407 Cd, XAMS 850 CD7, XATS 377 Cd, XATS 800 CD7, XAHS 347 Cd 2008 User Manual is exactly what Atlas Copco issued to their own techs. 90 pages of procedures, torque tables, and warnings that keep you from making those expensive mistakes. Forget the aftermarket reprints—this is the original OEM print.

Safety Precautions: 6 Pages of Factory Warnings

Page 5 kicks off with the safety section you need to read before you even pull the battery disconnect. General precautions, transport and lifting hazards, operation risks, maintenance cautions, and tool application safety. There’s a specific section on what happens when you bypass the pressure relief valve—don’t be that guy. This manual tells you exactly which operations require two people and when you need to lock out the machine. Skipping these pages is a liability I don’t want on my floor. Atlas Copco took the time to write them, so should you.

Atlas Copco XAMS 407 Cd Manual: Control Panel and Starting Procedure

Starting on page 27, the Operating Instructions chapter walks you through parking, towing, and lifting—including the height adjustment procedure that catches most guys off guard. Then it dives into the Xc2002 control module. You get the menu overview, description of each parameter, and the exact sequence for starting, warming up, loading, and stopping. There’s a whole subsection on fault codes with diagnostic steps. If your XAMS 407 Cd isn’t building pressure, you’ll find the troubleshooting path here. No guesswork, no calling the dealer for a code list.

Does This Manual Cover Fuel System Priming?

Yes, and it’s in the Adjustments and Servicing Procedures section. You get the priming instructions for both the engine and the compressor fuel system, plus draining instructions if you need to purge the system. Atlas Copco includes the exact bleeding procedure so you don’t suck air into the injection pump. Pair this with the Manual Transmission section in your general knowledge if you’re working on a tow-behind setup; the towing instructions reference hitch loads and brake cable adjustment. Not every manual covers the brake cable audit procedure—this one does, with test steps.

Torque Values: General and Critical Specs

The Technical Specifications chapter lists general torque values and critical torque values. Critical torques apply to the compressor element, safety valve mounting, and oil filter housing—places where a few foot-pounds off can cause leaks or component failure. This is not the place for a “close-enough” attitude. Atlas Copco provides both grade 8.8 and grade 10.9 bolt torques in foot-pounds. If you’re rebuilding a compressor from these models, you need these numbers. The manual also includes altitude performance curves so you know how deration affects your output at elevation.

Preventive Maintenance Schedule: Follow the Factory Intervals

Maintenance starts on page [DATA NEEDED] with the liability statement, then goes straight into service paks and kits part numbers. The preventive maintenance schedule tells you every 250, 500, 1000, and 2000 hours what to check—oil level, oil filter, coolant, air filter element, separator element, and safety valve function. Oil specifications are model-specific: you need Atlas Copco compressor oil or an approved equivalent. Don’t mix oils; the manual warns against it. There’s a whole subsection on PARCOOL EG coolant handling and replacement. For battery care, they cover electrolyte levels, dry-charged battery activation, and recharging procedures. If you’ve ever wondered why your XATS 377 Cd won’t crank in cold weather, check the battery maintenance section.

Now, what about aftermarket manuals? Here’s the difference: this is the original Atlas Copco instruction manual, published May 2008. It contains the factory electrical system diagrams (page 22), the markings and information labels (page 26), and the parts subjected to Pressure Equipment Directive 97/23/EC. Aftermarket versions often omit the directive compliance lists or misprint torque values. I’ve seen one that swapped foot-pounds for inch-pounds on the compressor element bolts. Don’t trust that. Stick with the OEM source.

You’ll also find related manuals for other Atlas Copco models if you’re running a fleet. Check out the Atlas Copco XRY5 557 Cd, XRXS 567 Cd, XRXS 607 Cd 2010 User Manual for similar-tier compressors, or the Atlas Copco XAHS 146 Dd 2010 User Manual – Factory Specs for the next size down. The Atlas Copco XAHS 37 DD, XAHS 70 DD7, XAS 47 DD, XAS 90 DD7, XAS 57 DD 2010 User covers smaller portable units. And if you’re interested in broader vehicle systems, the Manual Transmission fundamentals apply to the compressor’s driveline components.

Does this manual cover the XAHS 347 Cd model?

Yes. The manual includes the XAHS 347 Cd alongside the XAMS and XATS models listed on the cover. All share the same engine (CAT C7) and control system.

What year was this manual published?

2008. It’s the Rev 01 print from May 2008.

How many pages is the manual?

90 pages of content, not counting blank sheets. The PDF is fully searchable with bookmarks for each section.

Does it include wiring diagrams for the electric system?

It covers the electric system starting on page 22 with descriptions of the control panel, battery switch, and Xc2002 module connectors. Full pin-out diagrams are not in this user manual—that’s in the service manual—but the operation and fault codes are included.

Bottom line: if you’re working on any of these five Atlas Copco compressors, get the real factory documentation. Don’t waste time with generic instructions that skip steps. Access the Factory Manual from AutoRepairManuals and keep it on your tablet or printed out at the bench. It’ll save you the headache of a blown seal and the cost of a rebuild you could have avoided.