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The compressor starts and 
stops more 
frequently than usual 

Large amount of condensate in air tank. 

Remove condensate. 

Air leak 

Apply soapy water to joints while the air 
compressor is pressurized. Look for air 
bubbles to identify the air leak. Tighten up 
connections that has air leak. Contact 
customer service if not able to resolve. 

The compressor does not 
switch on 
when pressure is under the 
minimum 
level and/or does not 
switch off at max. 
pressure 

Defective pressure switch 

Contact customer service 

The compressor gets very 
hot and/or 
uses a lot of oil 

Oil level incorrect 

Check oil level and make sure the correct 
amount of oil is in the compressor 

Wrong oil used in compressor 

Drain and refill with correct oil. 

Air leak 

Apply soapy water to joints while the air 
compressor is pressurized. Look for air 
bubbles to identify the air leak. Tighten up 
connections that has air leak. Contact 
customer service if not able to resolve. 

Air intake filter clogged 

Clean or replace the filter 

Outside air temperature too high 

Move air compressor to a cooler location 
or add ventilation. 

Compressor starts when no 
air is tapped 

Air leak 

Apply soapy water to joints while the air 
compressor is pressurized. Look for air 
bubbles to identify the air leak. Tighten up 
connections that has air leak. Contact 
customer service if not able to resolve. 

Compressor stops after 
working normally 

Thermal protection 

The motor incorporates automatic thermal 
protection which stops the compressor 
when the oil temperature is too high. The 
compressor can be restarted after approx 
50 minutes. 

Summary of Contents for ACWS Series

Page 1: ...ACWS Series Air Compressor User s Manual...

Page 2: ...products which have been repaired or modified without Newport s written approval or products subjected to unusual physical thermal or electrical stress improper installation misuse abuse accident or n...

Page 3: ...p 9 2 4 2 Initial air compressor set up 9 2 5 Operation 11 2 5 1 Turn on off air compressor 11 2 5 2 Adjusting the outlet pressure 11 2 5 3 Air compressor operations 11 3 Maintenance 12 3 1 Maintenanc...

Page 4: ...iv 5 Service Form 18...

Page 5: ...ures Figure 1 Remove rubber plug and install air intake filter 9 Figure 2 Remove rubber plug on the oil pipe 10 Figure 3 Add oil and check oil level 10 Figure 4 ACWS Parts 11 Figure 5 Outlet filter bo...

Page 6: ...rve these general warnings when operating or servicing this equipment Read the operating instructions and recommendations before using the compressor Make sure the compressor is kept upright at all ti...

Page 7: ...lectric shock do not expose to rain Store indoors Do not use to supply breathing air Drain Tank monthly after use Internal rust causes tank failure and explosion It may be necessary to do more often w...

Page 8: ...of the shipping restraints They are reusable and needed for the integrity of the system during shipment 2 2 Parts List Parts included with the ACWS compressor Compressor unit with air intake filter O...

Page 9: ...er cord to possible damage CAUTION Be careful about high heat or high humidity conditions as you will need to replace the filter and oil much more frequently 2 4 2 Initial air compressor set up WARNIN...

Page 10: ...ompressor Figure 3 Add oil and check oil level 5 Fill the tank with oil until the level is aligned with the red OIL mark on the sign next to the sight glass 6 Refit the rubber plug to the oil pipe to...

Page 11: ...nimum operating pressure 6 bar 90 psi at which point the compressor automatically switches on Figure 4 A CWS Parts 2 5 2 Adjusting the outlet pressure Outlet pressure can be adjusted using the knob on...

Page 12: ...cted in the air outlet filter Clean the compressor using a soft cloth Wipe off any oil or dirt Check compressor efficiency make sure all nuts and bolts are tight check for air leaks pressure hose wear...

Page 13: ...opriate place for draining purposes Use a container underneath the drain valve to prevent spilling Slightly tilt your ACWS Series air compressor forward and release the drain valve see Figure 4 open a...

Page 14: ...the compressor to pressurize the air tank then switch off the compressor Gently pull the ring at the end of the pressure relief valve to see if air is released If so your pressure relief valve is fun...

Page 15: ...r seal and its seat with a dry cloth Refit the seal and the valve cap If leakage persists replace the valve Broken starter relay Contact customer service Faulty condenser Contact customer service Comp...

Page 16: ...r Drain and refill with correct oil Air leak Apply soapy water to joints while the air compressor is pressurized Look for air bubbles to identify the air leak Tighten up connections that has air leak...

Page 17: ...l number 2 Purchase order number 3 Complete description of the problem If components are to be returned to Newport Corporation you will be given a Return Number which you should reference in your ship...

Page 18: ...ial or manufacturing date Description Reason for return of goods please list any specific problems Please Describe the Problem Attach additional sheets as necessary Where is the Equipment Installed fa...

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