302  AO2000 CONTINUOUS GAS ANALYZERS  |  OI/AO2000-EN REV. B 
 
 
 
Requisite material 
 
Qty. Description 
  For sample cell removal: 
1  Hexagonal wrench 4 mm 
1  Hexagonal wrench 3 mm 
1  Crosshead screw driver 4,5 mm 
1  Small flat nose pliers 
2  Plugs for sealing the sample gas tubing 
  For disassembly and assembly of the sample cell: 
1  Plug for sealing the sample cell 
1  Open-end wrench 25 mm for sample cell with nominal length 216 mm 
1  Open-end wrench 30 mm for sample cell with nominal length 216 mm 
2  Open-end wrenches 30 mm for sample cells with other nominal lengths 
1 Vise 
1 "Vacuum pen" 
1  Small pair of tweezers 
    Soft paper towels 
  For cleaning the sample cell and the sample gas tubing: 
1  Circular brush with plastic bristles, diameter approx. 20 mm 
2 Spray bottles 
    Neutral detergent, deionized water, ethanol 
    Oil- and dust-free (instrument) air or nitrogen 
  For the seal integrity test (positive pressure method): 
1  Pressure gauge, measuring range p
e
 = 0 to 400 hPa 
1  T-piece with shut-off valve 
1  Hose, inside diameter 4 mm, length approx. 0.5 m 
2 Hose clamps 
    Oil- and dust-free (instrument) air or nitrogen 
Replacement parts required 
 
Qty. Description  Part No. 
2  O-ring seals 22.1x1.6 FFKM70  650 505 
2  O-ring seals 28x2 FKM80  650 519 
2  Windows of calcium fluoride 25.2x4  598 216 
2  Vent plugs for sample gas tubing A 5.2 LDPE  456 894 
2  Plugs for sample gas tubing    402 541