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Instruction Manual
for AC Compressors
English
XAS 185 CD7 T4
Engine Caterpillar C2.2

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Summary of Contents for Atlas Copco XAS 185 CD7 T4

  • Page 1 Instruction Manual for AC Compressors English XAS 185 CD7 T4 Engine Caterpillar C2.2...
  • Page 3 Instruction Manual for AC Compressor XAS 185 CD7 T4 Original instructions Printed matter Nr 1310 3013 76 ATLAS COPCO - PORTABLE ENERGY DIVISION 06/2014 www.atlascopco.com...
  • Page 4 Neglecting maintenance or making changes to the setup of the machine can result in major hazards, including fire risk. While every effort has been made to ensure that the information in this manual is correct, Atlas Copco does not assume responsibility for possible errors.
  • Page 5: Table Of Contents

    Preface Table of contents 4.2.1 Check Shutdown Switches ........27 4.3 Lubrication oils ..........27 Please read the following instructions carefully before 4.3.1 Check Engine Oil Level ........28 starting to use your compressor. Safety precautions for portable 4.3.2 Check Compressor Oil Level ......28 compressor ..........7 It is a solid, safe and reliable machine, built according to 4.3.3...
  • Page 6 - 6 -...
  • Page 7: Safety Precautions For Portable Compressor

    1 The owner is responsible for maintaining the unit in a The policy of Atlas Copco is to provide the users of their 10 Never operate a machine or equipment beyond its rated safe operating condition. Unit parts and accessories equipment with safe, reliable and efficient products.
  • Page 8: Safety During Use And Operation

    22 When performing any operation involving heat, flames - Apply safety chains to tow vehicle. equipment. Finally a wire mesh hose can be fixed over or sparks on a machine, the surrounding components 2 If the unit is to be backed up by the towing vehicle, the hose ends to dampen the blast in case a connection shall first be screened with non-flammable material.
  • Page 9: Safety During Maintenance And Repair

    - all hoses and/or pipes inside the unit are in good condition, 10 Before clearing the unit for use after maintenance or wire or electrical component. Plastic covering of secure and not rubbing, overhaul, check that operating pressures, temperatures handles is for comfort and grip only. They are not and speeds are correct and that the control and intended to act as insulation if such is not clearly - there are no fuel, oil or coolant leaks,- all fasteners are tight...
  • Page 10: Ether Fuel Systems

    Ether fuel Systems 3 National legislation requirements with respect to re- below 70 dB(A): no action needs to be taken, inspection must be complied with. above 70 dB(A): noise-protective devices should be Ether fuel systems are used for diesel cold starting. 4 No welding or heat treatment of any kind is permitted provided for people continuously being present in the 1 1 Do not use ether as a starting aid in conjunction with...
  • Page 11 the lifting force is applied at an angle to its load axis. 11 For maximum safety and efficiency of the lifting apparatus all lifting members shall be applied as near to perpendicular as possible. If required, a lifting beam shall be applied between hoist, and load. 12 When heavy parts are being lifted with a hoist, it is strictly forbidden to dwell or pass under the load or in the space which is liable to be hit if the load or part of...
  • Page 12: Leading Particulars

    Leading particulars Description of Safety Pictograms Used in General description Compressor oil system this Manual The oil is boosted by air pressure. The system has no oil pump. The oil is removed from the air, in the air/oil vessel first by centrifugal force, second through the oil separator This symbol draws your attention to element.
  • Page 13 The compressor is furnished with a data plate located on the front, drivers side of the unit showing the compressor type, serial number, maximum final pressure and normal working pressure. PORTABLE AIR COMPRESSOR MANUFACTURED BY/FABRIQUE PAR: ATLAS COPCO COMPRESSORS LLC MODEL PRODUCT NUMBER MAX. FINAL PRESSURE, PSIG MANUFACTURED DATE...
  • Page 14: Main Parts

    Main Parts - 14 -...
  • Page 15 Reference Name Reference Name Alternator Primary Fuel Filter Air Filter (Compressor element) FPco Compressor Oil Filling Plug Air Filter (Engine) Lifting Bale Air Outlet Valves Muffler Air Receiver Minimum Pressure Nozzle Battery Oil Cooler Blow Off Valve Oil Filter (Compressor) Compressor Element Oil Filter (Engine) Dip Stick Engine Oil...
  • Page 16 Compressor regulating system (Load Condition) - 16 -...
  • Page 17 Reference Name Reference Name Air Filter Compressor Compressor Oil Feeling Plug Air Filter Engine Minimum Pressure Nozzle Air Filter Element Oil Cooler Air Receiver Oil Filter (Compressor) Air Outlet Valve Oil Separator Blow Down valve Regulating Valve By-Pass Valve Oil Filter Safety Cartridge Compressor Element Scavenge Line...
  • Page 18: Air Flow

    Air flow Oil system Continuous regulating system The system comprises: The system comprises: The system comprises: AR/OS Air receiver/oil separator Regulating valve Air filter RV/UA Regulation Valve/Unloader Valve Unloader Valve AR/OS Air receiver/oil separator Oil cooler Speed regulator Compressor element Oil filter UA/UV Unloader assembly with unloader valve...
  • Page 19 corresponding unloading pressure of approx. 21.75 psi (1.5 bar) above the normal working pressure. When the air consumption is resumed, the unloader valve gradually opens the air intake and the speed regulator increases the engine speed. The construction of the regulating valve is such that any increase (decrease) of the air receiver pressure above the pre-set valve opening pressure results in a proportional increase (decrease) of the control pressure to the...
  • Page 20: Electric System

    Electric system CIRCUIT DIAGRAM - 20 -...
  • Page 21 Reference Name Circuit Breaker 15A Alternator Battery Temperature Alarm Lamp General Alarm Lamp Air inlet Preheat Starter Motor Solenoid K1-K5 Relay Starter Motor Hour Meter Fuel Level Gauge Contact Switch (Off-On-Override-Start) Temperature Switch (Engine) Oil Pressure Switch (Engine) test Lamp Temperature Switch (Compressor) Low Fuel Level Switch Fuel Level Sender...
  • Page 22: Description

    DESCRIPTION Take-over relay K2 is excited simultaneously with H1 and contact K2 closes (30-87). Operation of the electric circuit in detail Thermo contact S5 cools off and closes, K1 excited again and Start button S1 position 1: contact K1 changes over (87a-87). However, lamp H1 remains on across line 9 and contact K2 (30-87).
  • Page 23: Operating Instructions

    Retorque the all drawbar attachment bolts to their DRAWBAR PREPARATIONS FOR TOWING specified value after 5-10 hours of use. Atlas Copco XAS 185 compressors may be supplied to a Note: the pivoting feature of the drawbar is for customer with a folded drawbar. The drawbar is shipping purposes only.
  • Page 24: Parking Instructions

    PARKING INSTRUCTIONS Before Starting When parking a compressor, secure prop (1) or nose wheel to support the compressor in a level position. Place the If the compressor is to be connected to a compressor as level as possible; however, it can be common compressed air system, fit an operated temporarily in an out-of-level position not appropriate check valve between...
  • Page 25: Starting/Stopping

    8. Check the air filter service indicator (VI). If the red part shows completely, service or replace the filter element. Reset the indicator. 9. Open an air outlet valve (AV) to allow air flow to the atmosphere. Starting/Stopping Before starting, first operate the circuit breaker button (Fl) H1,H2 located on the back of the control panel cover.
  • Page 26: Maintenance

    Maintenance Use of Service Paks Preventive Maintenance Schedule For For engine maintenance refer to Engine Operation Manual. The Compressor Service Paks include all genuine parts needed for normal The maintenance schedule has to be seen as a guideline for maintenance of both compressor and engine. Service Paks The schedule contains a summary of the maintenance units operating in a duty environment typical to minimize downtime and keep your maintenance budget...
  • Page 27: Check Shutdown Switches

    Between 18°F and 104°F 15W-40 (1) Additional equipment is needed to run the compressor below 18°F. Please contact Atlas Copco for more information about Cold Weather Packages Operation of compressor in ambient temperatures lower than 18°F (-8°C) without the correct type of oil will void your warranty and may result in element failure and/or fire.
  • Page 28: Check Engine Oil Level

    Check that the pressure is released by opening green range. Add oil via the oil fill plug (FP) if necessary. In this case, contact Atlas Copco. an air outlet valve (AV). Screw out filler plug (FP) Before removing oil filler plug, ensure that...
  • Page 29: Cleaning Coolers

    Remove any dirt from the coolers with a fiber brush. Never use a wire brush or metal RECHARGING A BATTERY To purchase service paks contact your local Atlas Copco objects. representative. Before and after charging a battery, always check the When cleaning by air jet, blow air through the cooler in electrolyte level in each cell;...
  • Page 30: Adjustments And Servicing Procedures

    Adjustments and Servicing Procedures Adjustment of the Continuous Regulating System - 30 -...
  • Page 31: Air Filter Engine/Compressor

    Safety cartridge (Optional) lating valve by fixing the locknut. Filter housing Vacuator valve Recommendations The Atlas Copco air filters are specially designed for the application. The use of non- genuine air filters may lead to severe damage of engine and/or compressor element.
  • Page 32: Air Receiver

    Air Receiver Fuel System The air receiver is tested according to official standards. Regularly have inspections carried out in conformity with local regulations. Replacing the filter element: 1. Unscrew the final filter element from the adapter head. 2. Clean the adapter head sealing surface. Lightly oil the gasket of the new element and screw the latter onto the header until the gasket is properly seated, then tighten with both hands.
  • Page 33: Problem Solving

    Problem Solving Problem Solving Chart Make sure that the wires are not damaged and that they are engine, be sure of the polarity and connect the batter- clamped tight to their terminals. ies positive to positive, negative to negative. Use the chart on the following pages to help solve Never operate the engine without the main or voltage mechanical problems.
  • Page 34 Engine does not run at maximum speed. d. Check the maximum speed, service the fuel filter. e. Oil separator element (OS) clogged. e. Have element removed and inspected by an Atlas Copco Service representative. 12. No air output. a. Drive coupling broken.
  • Page 35 16. Air and oil expelled from air filter after a.Unloader valve defective, a. Repair valve. stopping. b. Wrong oil type with no foam-retarding additives. b. Consult Atlas Copco. 17. Compressor overheating. a. Insufficient compressor cooling, a. Relocate compressor for adequate ventilation. b. Oil cooler (OC) clogged externally.
  • Page 36: Technical Specifications

    Technical Specifications Settings of Shutdown Switches and Safety Valve Maximum loading speed and reference conditions 1,2). 1. Reference conditions as specified are measured at the air inlet grating outside the Compressor XAS 185 CD7 canopy: °F -Air intake pressure (absolute) 1 bar (14.5 psi) Temperature safety switch trip point °C -Air intake temperature 20°C (68°F)
  • Page 37 Engine: Dimensions PE Canopy Steel Canopy Overall length (including towbar) 3226 3200 Overall width 1626 1524 Overall height 1549 1448 2330 2400 Gross weight (wet), approximately 1059 1091 2170 2240 Gross weight (dry), approximately 1018 Technical Information Sound pressure level dB(A) at 23ft <76 at 7m (23 ft) approximately...
  • Page 38: Maintenance Log

    Maintenance Log Compressor Customer..................................................Serial number..................................................... Service hours Maintenance action Date By initials - 38 -...
  • Page 39 Maintenance Log Compressor Customer..................................................Serial number..................................................... Service hours Maintenance action Date By initials - 39 -...
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