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XAS136/186 Dd

12

2.5

A

IR FLOW

(

SEE

F

IG

. 2.3)

The system comprises:

AF

Air filter

AR/OS

Air receiver/oil separator

CE

Compressor element

UA/UV Unloader assembly with unloader valve

BDV

Blow-down valve

LV

Loading valve

Air drawn through the airfilter (AF

CE

) into the compressor element

(CE) is compressed. At the element outlet, compressed air and oil
pass into the air receiver/oil separator (AR/OS).

The check valve (CV) prevents blow-back of compressed air when
the compressor is stopped. In the air receiver/oil separator (AR/OS),
most of the oil is removed from the air/oil mixture; the remaining oil
is removed by the separator element.

The oil collects in the receiver and on the bottom of the separator
element.

The air leaves the receiver via a minimum pressure valve (MPV)
which prevents the receiver pressure from dropping below the
minimum working pressure (specified in section 8.3), even when the
air outlet valves are open. This ensures adequate oil injection and
prevents oil consumption.

A temperature switch (TS) and a working pressure gauge (PG) are
comprised in the system.

A blow-down valve (BDV) is fitted in the unloader assembly to
automatically depressurise the air receiver (AR) when the compressor
is stopped.

Fig. 2.3

VI

E

OC

F

TS

DP

CE

OF

SL

FP

SL

OLG

DP

AR

OS

FR

SV

VV

VI

VV

SR

RV

AF

AOV

CH

CE

CV

BDV

VH

UA

UV

NRV

MPV

BOV

AF

E

DP

LV

PG

C

OMPRESSOR

R

EGULATING

S

YSTEM

(L

OAD CONDITION

)

AF

CE

Air filter (compr. element)

AF

E

Air filter (engine)

AOV

Air Outlet Valves

AR

Air Receiver

BDV

Blow Down Valve

BOV

Blow Off Valve

CE

Compressor Element

CH

Coupling Housing

CV

Check Valve

DP

Drain Plug

E

Engine

F

Fan

FP

Filler Plug

FR

Flow Restrictor

LV

Loading Valve

MPV

Minimum Pressure Valve

NRV

Non Return Valve

OC

Oil Cooler

OF

Oil Filter

OLG

Oil Level Gauge

OS

Oil Separator

PG

Pressure Gauge

RV

Regulating Valve

SL

Scavenge Line

SR

Speed Regulator

SV

Safety Valve

TS

Temperature Switch

UA

Unloader Assembly

UV

Unloader Valve

VH

Vent Hole

VI

Vacuum Indicator

VV

Vacuator Valve

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Содержание XA186 Dd

Страница 1: ... 185 Instruktionsbog til mobile kompressorer 211 BÈ Ï Ô Ô ËÁÈÒÓ ÁÈ ÊÔÚËÙÔ Û Ì ÈÂÛÙ 237 Manual de instru es para compressores port teis 263 SiirrettŠvien kompressorin ohjekirja 289 Parts list Ð Onderdelenlijst Ð Liste de pi ces Ð Ersatzteilliste Ð Lista de las partes Ð Reservdelsfšrteckning Ð Listino parti di ricambio Ð Deleliste Ð Reservedelsliste Ð K Ù ÏÔÁÔ EÍ ÚÙËÌ ÙˆÓ Ð Lista de pe as Ð Osaluett...

Страница 2: ...XAS136 186 Dd 2 ...

Страница 3: ...utions for portable compressors 5 Ð Introduction 5 Ð General safety precautions 5 Ð Safety during use and operation 6 Ð Safety during maintenance and repair 6 Ð Tool applications safety 7 Ð Specific safety precautions 7 Ð Batteries 7 Ð Ether fuel systems 7 Ð Pressure vessels 7 Ð Safety valve 8 Ð Injury prevention 8 2 Leading particulars 9 2 1 Description of safety pictograms used in this manual 9 ...

Страница 4: ...ts and servicing procedures 21 5 1 Adjustment of the continuous regulating system 21 5 2 Air filter engine compressor 22 5 2 1 Main parts 22 5 2 2 Recommendations 22 5 2 3 Cleaning the dust trap 22 5 2 4 Replacing the air filter element 22 5 3 Air receiver 22 5 4 Safety valve 22 5 5 Fuel system 23 5 6 Brake option adjustment 23 5 6 1 Brake shoe adjustment 23 5 6 2 Test procedure of brake cable adj...

Страница 5: ...be attached to each of the isolating valves 8 Before a machine is being repaired steps shall be taken to prevent inadvertent starting In addition a warning sign bearing a legend such as ãwork in progress do not startÒ shall be attached to the starting equipment On engine driven units the battery shall be disconnected and removed or the terminals covered by insulating caps On electrically driven un...

Страница 6: ...outlet valve before connecting or disconnecting a hose Ascertain that a hose is fully depressurized before disconnecting it When blowing through a hose or air line ensure that the open end is held securely A free end will whip and may cause injury Never play with compressed air Never apply it to your skin or direct an air stream at people Never use it to clean dirt from your clothes When using it ...

Страница 7: ...e in batteries is a sulphuric acid solution which is fatal if it hits your eyes and which can cause burns if it contacts your skin Therefore be careful when handling batteries e g when checking the charge condition 2 Install a sign prohibiting fire open flame and smoking at the post where batteries are being charged 3 When batteries are being charged an explosive gas mixture forms in the cells and...

Страница 8: ...e necessary steps to eliminate the risk of personnel injury 7 Before lifting machines all loose parts which could be liable to fall down shall be removed or secured pivoting parts such as doors drawbars etc shall be safely immobilized 8 To lift heavy parts a hoist of ample capacity tested and approved according to local safety regulations shall be used 9 When lifting machinery or parts with one or...

Страница 9: ...y air receiver pressure when the compressor is stopped When the air consumption increases the air receiver pressure will decrease and vice versa This receiver pressure variation is sensed by the regulating valve which by means of control air to the unloader and engine speed regulator matches the air output to the air consumption The air receiver pressure is maintained between the pre selected work...

Страница 10: ...d PAROIL M Atlas Copco compressor oil Manual Read the instruction manual before working on the battery Atlas Copco engine oil SAE 15W40 PAROIL Inlet Outlet Compressor oil drain Read the instruction manual before starting 24h Service every 24 hours Warning Part under pressure Do not stand on outlet valves Lifting permitted diesel Use diesel fuel only Sound power level in accordance with Directive 8...

Страница 11: ... Fan FC1 Filler Cap engine oil FC2 Filler Cap fuel tank FC3 Filler Cap water FF1 Fuel Prefilter FF2 Fuel Filter FP1 Filler Plug compressor oil FT Fuel Tank IC Intercooler MPV Minimum Pressure Valve OC Oil Cooler OFCE Oil Filter compressor element OFE Oil Filter engine OLG Oil Level Gauge P Prop RV Regulating Valve S Starting Motor SV Safety Valve TB Towbar VICE Vacuum Indicator compressor element ...

Страница 12: ...when the air outlet valves are open This ensures adequate oil injection and prevents oil consumption A temperature switch TS and a working pressure gauge PG are comprised in the system A blow down valve BDV is fitted in the unloader assembly to automatically depressurise the air receiver AR when the compressor is stopped Fig 2 3 VI E OC F TS DP CE OF SL FP SL OLG DP AR OS FR SV VV VI VV SR RV AF A...

Страница 13: ...ed When the air consumption increases the air receiver pressure will decrease and vice versa This receiver pressure variation is sensed by the regulating valve which by means of control air to the unloader matches the air output to the air consumption The air receiver pressure is maintained between the pre selected working pressure and the corresponding unloading pressure When starting the compres...

Страница 14: ...sor is parked on sloping ground immobilise the compressor by placing wheel chocks available as option in front of or behind the wheels Locate the rear end of the compressor upwind See Fig 3 4 away from contaminated wind streams and walls Avoid recirculation of exhaust air from the engine This causes overheating and engine power decrease Fig 3 3 Parking position of jockey wheel Fig 3 4 Rear end of ...

Страница 15: ...l 3 Check the level of the compressor oil The pointer of oil level gauge OLG Fig 2 3 should register in the green range Add oil if necessary See section 4 3 for the oil to be used Before removing oil filler plug FP Fig 2 3 ensure that the pressure is released by opening an air outlet valve 4 Check that the fuel tank contains sufficient fuel Top up if necessary Consult the Engine Operation Manual f...

Страница 16: ... simply done by pushing the start button in the Ó0Ó position The control panel in addition indicates receiver pressure PG and accumulated operating hours P1 Fault situations and protective devices Also refer to Sect 6 Problem Solving Ð The starter motor is protected against prolonged starting or against attempts to start when the group is already running max cranking time 20 sec Ð A fault which oc...

Страница 17: ... oil filter Replace Replace Air filter elements 1 Replace Engine oil 3 4 Change Change Change Engine oil filter 3 Replace Replace Replace Fuel prefilter 3 Replace Replace Replace Fuel filter 3 Replace Replace Engine inlet and outlet valves 3 Adjust Adjust first adjustment Inspection by Atlas Copco Service technician 1 More frequently when operating in a dusty environment 5 Check additive concentra...

Страница 18: ...ineral oil If you want to use another brand of oil consult Atlas Copco for more information concerning the recommended oil and service intervals 4 4 OIL LEVEL CHECK Never mix oils of different brands or types Use only non toxic oils where there is a risk of inhaling delivered air 4 4 1 CHECK ENGINE OIL LEVEL Consult also the Engine Operation Manual for the oil specifications viscosity recommendati...

Страница 19: ...dirt drops into the system Oil the gasket of the new filter element Screw it into place until the gasket contacts its seat then tighten one half turn only 5 Fill the air receiver until the pointer of the oil level gauge 4 registers in the upper extremity of the green range Take care that no dirt drops into the system Reinstall and tighten the filler plug 6 Run the unit at no load for a few minutes...

Страница 20: ...manufacturer s instructions Apply with preference the slow charging method and adjust the charge current according to the following rule of thumb battery capacity in Ah divided by 20 gives safe charging current in Amp 4 7 4 BATTERY MAINTENANCE Ð Keep the battery clean and dry Ð Keep the electrolyte level at 10 to 15 mm above the plates or at the indicated level top up with distilled water only Ð K...

Страница 21: ...ew if necessary 4 Open an outlet valve AOV just enough to let the engine E run at maximum speed The working pressure must be Y bar e adjust if necessary with regulating valve RV see tabel Tabel X Y Z1 Ð Z2 bar bar bar bar XA S 8 3 7 8 1 Ð 8 5 XATS 12 10 3 11 7Ð 12 2 XAHS 13 4 12 13 2Ð 13 6 XAVS 15 5 14 15 3Ð 15 7 5 Check the engine maximum speed Adjust the maximum speed by means of adjusting eccen...

Страница 22: ...UST TRAP To remove dust from the dust trap pinch the vacuator valve 6 several times 5 2 4 REPLACING THE AIR FILTER ELEMENT 1 Release the snap clips 1 and remove the dust trap 2 Clean the trap 2 Remove the element 4 from the housing 5 3 Reassemble in reverse order of dismantling 4 Inspect and tighten all air intake connections 5 Reset the vacuum indicator Fig 5 3 Fig 5 3 Vacuum indicator 7 Air filt...

Страница 23: ...cable 4 Pin 4 mm 5 Plug Brake shoe adjustment re establishes the brake lining to drum clearance and compensates for lining wear Lift and support the compressor Make sure that all brakes are off overrunbrake and hand brake lever The brake cables must be free from tension Lock the swivel cams of the wheel brake from the outside by means of a pin 4 mm 4 through the hole as shown in Fig 5 5 Turn the a...

Страница 24: ...ting nut 4 Brake cable nut 5 Main brake cable 6 Equalizer 1 With the towing eye pulled out in the outmost position and the hand brake lever in the downward position Fig 5 8 loosen the lock nuts Fig 5 7 2 Turn adjusting nuts and brake cable nuts Fig 5 7 4 clockwise until there is no slack in the brake mechanism The equalizer Fig 5 7 6 must remain perpendicular to main brake cable Fig 5 7 5 2 Apply ...

Страница 25: ... XAS186 Dd XATS156 Dd XAHS146 Dd and XAVS136 Dd can be delivered with following options Vessel type EURO ASME Towing bar Adjustable with brakes A1 Fixed with brakes A2 Fixed without brakes Without towing bar Support without undercarriage Towing eyes Atlas Copco DIN Ball Italian NATO Towbar support Leg Jockey wheel Road signalisation Full B Air quality equipment Aftercooler water separator Aftercoo...

Страница 26: ...Unit Reference conditions 1 Absolute inlet pressure bar e 1 1 1 1 2 Relative air humidity 0 0 0 0 3 Air inlet temperature C 20 20 20 20 4 Nominal effective working pressure bar e 7 10 3 12 14 The inlet conditions are specified at the air inlet grating outside the canopy Limitations 1 Minimum effective receiver pressure bar e 4 4 4 4 2 Maximum effective receiver pressure compressor unloaded bar e 8...

Страница 27: ...17 American ANSI PTC9 Free air delivery volume flow rate 3 Air required for engine and compressor cooling combustion and for compression 4 with filter change 8 4 CONVERSION LIST OF SI UNITS INTO BRITISH UNITS 1 bar 14 504 psi 1 g 0 035 oz 1 kg 2 205 lb 1 km h 0 621 mile h 1 kW 1 341 hp UK and US 1 l 0 264 US gal 1 l 0 220 Imp gal UK 1 l 0 035 cu ft 1 m 3 281 ft 1 mm 0 039 in 1 m3 min 35 315 cfm 1 ...

Страница 28: ... 10A G1 Battery G2 Alternator K0 Starter solenoid K5 Auxiliary start relay K6 Cold start relay M1 Starter motor N4 Control module P1 Hourmeter P2 Glowplug S3 Compressor temperature switch S4 Engine temperature switch S5 Engine oil low pressure switch Y1 Fuel solenoid valve Fig 10 1 Circuit diagram Nr 9822 0893 12 ...

Страница 29: ...eratur ÂÚÌÔÎÚ Û Temperatura LŠmpštila P Atmospheric pressure Atmosferische druk Pression de lÕatmosphere AtmosphŠrischer Druck Presi n atmosfŽrica AtmosfŠrtryck Pressione atmosferica Atmosf re trykk Atmosf risk tryk AÙÌoÛÊ ÈÚÈÎË ÂÛË Press o atmosfŽrica Ilmanpaine 1013 899 795 701 616 540 0 0 10 10 20 30 40 50 1000 2000 3000 4000 5000 7bar e A m T C P mbar 1013 899 795 701 616 540 0 0 10 10 20 30 4...

Страница 30: ...eratur ÂÚÌÔÎÚ Û Temperatura LŠmpštila P Atmospheric pressure Atmosferische druk Pression de lÕatmosphere AtmosphŠrischer Druck Presi n atmosfŽrica AtmosfŠrtryck Pressione atmosferica Atmosf re trykk Atmosf risk tryk AÙÌoÛÊ ÈÚÈÎË ÂÛË Press o atmosfŽrica Ilmanpaine 1013 899 795 701 616 540 0 0 10 10 20 30 40 50 1000 2000 3000 4000 5000 12bar e A m T C P mbar 1013 899 795 701 616 540 0 0 10 10 20 30 ...

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