EasyManuals Logo

Atlas Copco GA90C Instruction Book

Atlas Copco GA90C
44 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #29 background imageLoading...
Page #29 background image
2920 1381 02
27
Instruction book
Period 2) Running See See notes Operation
hours 2) section below table
Daily Before starting
“— 3.2 - Check oil level (Gl)
During operation
“— 3.4/7.1 - Check readings on display
“— - Check that condensate is discharged (Daa) during loading
“— 3.4 - Check oil level (Gl)
“— 3.4 - Check air filter service indicator (VI)
—— 3.3 - Regulate cooling water flow (water-cooled compressors)
After stopping
—— 3.6 - Drain condensate (Dma)
3-monthly 5.3 3 Operate safety valve (SV)
500 5.2 - Check coolers (Co/Ca) and condenser of dryer; clean if necessary
500 5.1 1 Remove air filter element (AF). Clean by air jet and inspect
“— - Remove, dismantle and clean float valve of condensate trap (MTa)
“— 10 Check for possible leakages
“— 7 Carry out a LED/display test
Yearly 5.3 - Have safety valve (SV) tested
“— 8 Have the temperature shut-down function tested
“— - Have the operation of the electrical interlockings, motor breakers, etc.
tested by an electrician
2000 6 Check restrictors (Rf1, Rf2) for cleanness
4000 4.6/5.1 - Replace air filter element (AF)
4000 4.3/4.4/4.6 4 If Atlas Copco Roto-injectfluid is used, change oil and oil filters
For GA 7.5-8-10 bar and 100-125-150 psi
1000 4.3/4.4 - If oil as specified in section 4.3.2 is used, change oil and oil filter
For GA 13 bar and 175 psi
500 4.3/4.4 - If oil as specified in section 4.3.2 is used, change oil and oil filter
“— 9 Have all flexibles/flexible joints inspected
—— 4.1 - Re-grease bearings of drive motor as specified
2-yearly 8000 5 Have oil separator (OS) replaced
Notes
1. More frequently when operating in a dusty atmosphere. Replace damaged or heavily contaminated elements.
2. Use genuine Atlas Copco filters.
3. By unscrewing the cap one or two turns and retightening it or by pulling the valve lifting lever.
4. Recommended oil: Atlas Copco Roto-injectfluid. For the change interval in extreme conditions of temperature, humidity or
cooling air, consult Atlas Copco.
5. Or when the pressure drop over the separator exceeds 1 bar. See section 3.4.1 to call up this value. Check the pressure drop
when the compressor is running loaded and preferably with a stable working pressure.
6. One restrictor (Rf2-Fig. 1.6) is located in the oil scavenging line, the other (Rf1) upstream of oil stop valve (Vs).
7. Consult the User manual for Elektronikon regulator, section Test submenu.
8. Consult the User Manual for the Elektronikon regulator before modifying the temperature protection settings, section Modify
settings submenu.

Table of Contents

Other manuals for Atlas Copco GA90C

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Atlas Copco GA90C and is the answer not in the manual?

Atlas Copco GA90C Specifications

General IconGeneral
BrandAtlas Copco
ModelGA90C
CategoryAir Compressor
LanguageEnglish

Related product manuals