XAS185 CD7 Compressors 1. Scott Ellinger

PRODUCT FEATURES

Hard Hat Version Made from polyethylene material that does not dent or rust Removable side and end panels for easy service Rear mounted controls and discharge valves

The only metal part is the front baffle

Standard Version Steel construction Removable side and end panels for easy service Same rear mounted control panel

XAS 185 CD7 Product nomination and grouping Principle data Compressor systems: Compressor running conditions: Electrical system Instrument panel Air system Oil system Regulating system Electrical system Unload Load Blow-down

Product Nomination Oil Injected Compressors Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Engine supplier C : Caterpillar D : Deutz J : John Deere Y : Yanmar K : Kabota Working principle A : Single stage compressor R : Two stage compressor Product range X : Oil injected portable compressor Silencing : Un-silenced S : Silenced Prime mover d : diesel engine E : electric motor X A S 185 C d Capacity (FAD) Liter/sec CFM (US-version) Working pressure : standard pressure 102psi T : “ten” pressure 150psi H : high pressure 175psi

Nomination and grouping Principle Data Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel

Nomination and grouping Principle Data Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel

Nomination and grouping Compressor Systems Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel 4 major systems Air system Oil system Regulating system Electrical system This figure shows you the compressor systems and their parts. Basically, a compressors consists of three systems: the air system, the oil system and the regulating system. You can click on one of the three titles to find out more about that particular system.

Air system The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function.

Nomination and grouping Air System Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Air filter Unloading valve Compressor element Check valve Air receiver Minimum pressure nozzle Air outlet valve The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function.

Nomination and grouping Air Filter Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Air inlet Centrifugal separation Dust Filter element to compressor element Vacuum indicator 1310 0348 91 The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function.

Air Filter Filtration of the inlet air in 2 stages : Centrifugal dust separation Paper filter element Optional safety element Air filter vacuum indicator Safety Filter XAS 185 1310 0343 81 Comp 1310 0303 10 Eng

Nomination and grouping Unloading Valve Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Opens and closes the air inlet to the compressor element. Open position at load condition => Air consumption Closed position at no load condition => No air consumption. Valve is controlled by the regulating pressure. The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function.

Nomination and grouping Unloading Valve Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Regulating pressure Air inlet Spring loaded Vent Hole The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function. Integrated blow-down valve Valve

Nomination and grouping Unloading Valve Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel LOAD UNLOAD Regulating pressure The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function. Air inlet

Nomination and grouping Compressor Element Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Oil is injected into the air which is compressed to the final discharge pressure. The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function.

Nomination and grouping Compressor Element Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Oil Air/Oil Air inlet The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function.

Nomination and grouping Check Valve Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Check valve is integrated in the unloader for Series 7 compressors. Closed when the compressor is stopped. The air receiver is pressurized, which would result in a reverse air flow.  the check valve prevents this. The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function.

Nomination and grouping Check Valve Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Valve Part # 1615 7667 82 LOAD SHUT-DOWN Receiver pressure When compressor is shut-down Check valve The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function.

Nomination and grouping Air Receiver Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Air/Oil Centrifugal Separation Air outlet Separator Element The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function.

Minimum Pressure Nozzle Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel NOZZLE Guarantees a minimum pressure in the receiver tank (approx. 45 – 60 psi) Minimum pressure is required to guarantee a continuous oil supply to the element. The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function.

OIL SYSTEM The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function.

Nomination and grouping Oil System (old style) Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Air receiver Oil cooler Oil filter Compressor element Oil separator Scavenge line The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function.

Oil System (new style with TBV) Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Air receiver Oil cooler Oil filter/TBV Compressor element Oil separator Scavenge line The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function.

Nomination and grouping Air Receiver Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Oil flow Pressure The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function.

Nomination and grouping Oil Cooler Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Warm Oil Cooling air Cool Oil The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function. º Oil Temp Should Have A 40 F (22C) Drop Through The Cooler * Use Proper Oil and Filters

Nomination and grouping Oil Filter Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Dirty Oil Filtered Oil By-pass valve By pass valve opens at 36psi Ensures sufficient lubrication and cooling even if the filter gets clogged The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function. Part # 2914 5050 00

Nomination and grouping Compressor Element Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Oil Air/Oil Lubrication to the bearings Air inlet The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function. Scavenged oil

Oil Separator & Scavenge Line Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Centrifugal force removes about 85% of the oil Change of direction, about 99% of the oil Separator element, less than 3 ppm oil content Air/Oil Centrifugal separation Separator Element Oil Scavenge line When changing the separator element the retainer must be cleaned Also works as ground The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function.

Oil Separator Separator Element Part Number 2911 0068 00 Classic Reasons For Oil Carryover Over filled receiver Plugged scavenge line Wrong type of oil (no anti foam agent) Shut down with air outlet valves open Scavenge tube installed improperly Separator Element Part Number 2911 0068 00

REGULATING SYSTEM The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function.

Nomination and grouping Regulating System Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Regulating valve Unloading valve Speed regulator Blow-down valve Safety valve Regulating Valve Unloading Valve Speed Regulator Safety Valve The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function.

Nomination and grouping Regulating Valve Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Regulates the effective pressure in the air receiver Provides regulating pressure to : unloading valve => regulates the air inlet according the air requirements speed regulator => regulates the engine speed to reduce fuel consumption Regulating Valve Part Number 1615 7664 80 The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function.

Regulating Valve UNLOAD LOAD Adjusts Unload Pressure: Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel UNLOAD LOAD Adjusts Unload Pressure: *with outlet valve closed to 115psi Control Pressure Pressure Gauge To speed reg The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function. To unloading valve To blow down valve Scavenge line Receiver Pressure

Nomination and grouping Unloading Valve Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Opens and closes the air inlet to the compressor element. Open position when running loaded => Air requirements Closed position at no load condition => No air requirements The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function.

Nomination and grouping Unloading Valve Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel UNLOAD LOAD Regulated pressure Air Inlet The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function. Air inlet

Unloading Valve – Cut Away

Nomination and grouping Speed Regulator Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Regulates the engine speed in relation to the required air flow Unit will adjust the engine speed to match air demand Load condition : maximum engine speed Unload condition : minimum engine speed (Idle Speed) Speed Regulator Actuator part number 1310 0305 73 The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function.

Nomination and grouping Speed Regulator Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Orifice The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function. Control air Speed regulator extends to provide maximum throttle Retracts under no load to reduce throttle and save fuel

Nomination and grouping Blow Down Valve Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Integrated in the unloading valve Blows off the air receiver pressure once the compressor has shut-down => this is to depressurize the receiver tank The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function.

Nomination and grouping Blow Down Valve Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel LOAD / UNLOAD BLOW-DOWN Blow-off receiver pressure Receiver pressure Receiver Pressure The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function. blow-down valve

Nomination and grouping Safety Valve Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Protects the compressor and engine. Blows off the air receiver pressure when it exceeds the preset value. XAS 185 CD - 150 PSI The following slides explain how the regulating system of the XA(H)S 146-186 works. They will give you an overview of the different parts and their function.

Compressor Running Conditions Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Major running conditions : UNLOAD Receiver tank pressurized, no air being used LOAD Receiver tank pressurized, air is being used BLOW-DOWN Machine stopped, blow-off of receiver pressure There are four states the compressor can be in: lo-load, unload, load and blow down. Each condition is explained in detail in the following pages.

Electrical System

Nomination and grouping Electrical System Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel 12 Volts Dc Alternator has built in voltage regulator B+ Positive to recharge battery B- Ground W Frequency for tachometer (if equipped) D+ Ground when alternator is turning less than 650RPM 12 Volts when turning more than 650RPM

Nomination and grouping Electrical System Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel Starting system cuts-out starter motor when engine is running Safety shut-downs Compressor : Compressor element outlet temperature (248ºF/120 C) Engine : Coolant temperature (221ºF/105 C) Oil pressure (17psi) Low fuel level (5%) Alternator not charging Fail safe as a loose wire will result in a shut-down Good electrical contacts are important

Electrical System / Std Unit Nomination and grouping Principle data Compressor systems Running conditions Electrical system Instrument panel

Control Panel Ignition Switch General Alarm Lamp Comp Temp Lamp 32. Vision Atlas Copco’s vision is to be first in mind and first in choice of our customers. That includes products as well as services related to the “use of products”. When we are the first supplier that customers and prospects think of, and the one they buy from, then we are the leader in that business. We strive to maintain global leadership status in areas such as air and gas compression, air treatment, industrial manufacturing, the automotive after-market, rock excavation, light construction and demolition, and repair and maintenance. We also want to be a leader in the equipment rental industry in selected regions. We measure our vision and follow-up on customer shares. Ignition Switch General Alarm Lamp Comp Temp Lamp

Control panel is Mounted at the rear of the unit More visible and user friendly

10 AMP Circuit Breaker Behind Control Panel Working Pressure Compressor temp Hour Meter Test / Cold Start Fuel Gage 10 AMP Circuit Breaker Behind Control Panel General alarm Ignition Switch

Service Kits XAS 185 CD Kit number Designation 2911 0051 00 Unloader 0665 0999 54 Piston Seal 2911 0068 00 Oil separator

Preventive Maintenance Kits 54. Atlas Copco in Brief The Atlas Copco Group is a global industrial group of companies developing, manufacturing, and marketing products and services to a wide range of customers and end-users. A world leader, the Group provides compressed air and gas equipment, generators, construction and mining equipment, assembly systems, electric and pneumatic tools, and related services and equipment rental. The Atlas Copco Group owns well-known brands such as Atlas Copco, RSC, Prime Energy, Chicago Pneumatic. The head office is in Stockholm, Sweden. The Group has approximately 27 000 employees in some 70 countries. In 2003, the Group reached revenues of MSEK 44 619 with 98% of revenues outside Sweden.

Maintenance DAILY Check engine oil level Check compressor oil level Check air filter vacuum indicator Empty air filter dust trap

Maintenance 50 HOURS Check battery terminals and charge Check tire pressure / re-torque wheel lug nuts Check drawbar bolts Check for leaks in the air, fuel, and oil system Check engine minimum / maximum speeds Lubricate door hinges / locks / etc.

Maintenance Perform 50 hour maintenance plus: 250 HOURS Change engine oil and filter Clean the oil cooler / radiator Clean fuel tank Change fuel filters

Maintenance 500 Hours/Annually Perform the 250 hour maintenance plus: Change compressor oil and filter Replace the air filter elements

Perform 500 hour maintenance plus: 1000 Hours/Annually Perform 500 hour maintenance plus: Adjust valves on engine Replace Air oil separator Test safety valve Test operation of engine and compressor safety switches and relays Repack or Grease wheel bearings

Special Torque values Wheel nuts 59 lb.ft (+7-0) Axle - beams 59 lb.ft (+/-7) Drawbar - axle 59 lb.ft (+/-7) Drawbar - bottom 59 lb.ft (+/-7) Towing eye - drawbar 59 lb.ft (+/-7) Lifting eye - flywheel housing 151 lb.ft (+15/-0) Engine - drive housing (M12) 59 lb.ft (+/-7) Engine - drive housing (M14) 92 lb.ft (+/-7) Compressor - drive housing 59 lb.ft (+/-4) Safety switches 26 lb.ft (+/-4)

Contact Numbers Main Number Atlas Copco Technical Support 800-732-6762 Option 3 Ed Kukfisz – Compressors – Supervisor 281-542-2562 direct & 832-385-4697 mobile Andrew Stevenson – Compressors: Low Pressure 720-479-2486 direct & 404-751-6717 mobile Andrew Calendar – Compressors: High Pressure 720-479-2487 direct & 404-242-6203 mobile Scott Ellinger – Compressors 720-479-2476 direct & 720-375-1795 mobile Robert Walsh – Generators – Supervisor 803-487-0256 direct (mobile) Will Hudson – Generators/Compressors 800-732-6762 Ext. 12920 & 832-454-8123 mobile Brandon Hobbs – Hydraulic Attachments /Handheld Construction Tools – Supervisor 303-287-8822 direct & 913-424-4039 mobile Al Eckenfels – Hydraulic Attachments/Handheld Construction Tools 800-760-4049

Committed to sustainable productivity.