Operating Manual - Webshop, Gas Analysis Technology

22Take away conveying beltconnectors;and remove the old hose set from thee guides bythe hosePress the two contact pulleys and check whetherthe spring pressure isstill sufficient, if not,the contact springss have to bechanged;Put the new hose set with the hose connectors into the guides of the conveying belt ;NOTE!Only the usage of the original hoseset guarantees a perfect function.Never lubricate the hose.Before mounting the pump check all parts for impurity and clean ifnecessary.Put the conveying belt with the new hoseinto the dovetail guide of the pump body;Press conveying belt at the recessed grips and simultaneouslyturn the S-boltanticlockwiseuntil it snaps;Switch on pump.16.1.2 CHANGE OF CONTACT PULLEYS AND SPRINGSTake offf the coolerof the mains;Unscrewthe nut ofthe pump head (span of the jaw 5,5);Draw the pump head out of the motor shaft; Now thedriver canbe taken out of the pump headand is ready for maintenance.To remove the springs (4 pcs.) of the driver is possible without the aid ofany tools. Thereforepress the spring together andtake it out of the groove in the driver respectivelyout of theboring in the axle. Now the roller bearingaxle can be dismounted and the contact pulleys areready for change.Remounting in reverse order.NOTE!While mounting pay attention to the fit of ‘rotational axis ­ driver’. .Usegenuine spare partsonly!16.1.3 CLEANING THEPUMP HEADWhen changing flexible tube or other parts, inspect all partsfor dirt before assembling thepump head and clean them if necessary.Clean the parts with a dry cloth as far as possible.Solvents should not be used asthey canattack the plastics and synthetic rubber parts. If a compressedair line is available, blow out theparts with pressuree air.CARE!Aggressive sample is possible!Wear protective glassesanddisassembly,repair or cleaning!properprotectiveclothingduringGas sampling andgas conditioning technology3-4.20-ME