Samson 611 Mounting And Operating Instructions

Samson 611 Mounting And Operating Instructions Manual pdf 37 page image

EB 6116 EN 37Maintenance7 MaintenanceRisk of fatal injury due to the ignition of anexplosive atmosphere.Incorrect installation, operation or mainte-nance of the i/p converter in potentially ex-plosive atmospheres may lead to ignition ofthe atmosphere and cause death.Î The following regulations apply to instal-lation in hazardous areas: EN 60079-14(VDE 0165, Part 1).Î Installation, operation or maintenance ofthe i/p converter must only performed bypersonnel who has undergone specialtraining or instructions or who is autho-rized to work on explosion-protected de-vices in hazardous areas.The i/p converter requires no maintenance.Î See section 8 for troubleshooting.7.1 Cleaning the restrictorThe restrictor (see Fig. 18) is located insidethe enclosure. It can be accessed from theback of the device.1. Unscrew the screw plug (Ø10).2. Remove the restrictor.3. To remove blockages, take the filter outof the restrictor and clean or replace it.Component Order no.Filter 0550-0193Restriction includingfilter1390-01867.2 Cleaning pneumatic con-nectionsÎ Unscrew plastic-rimmed filters. Clean orrenew them (order no. 0550-0213).DANGER!RestrictorEXHAUST (venting)IP 54OUTPUTFig. 18: Restrictor at the back