Problem Identification & Corrective Action Sl No. Problem Potential Cause Solution 1 Chain rises off from sprocket 1.Excess chain slack. 2.Excess wear at the bases of sprocket teeth. 3.Excess chain extension. 4.Foreign material stuck to the bases of sprocket teeth. 5.Reverse rotation of conveyor 6.Uneven chain tightening of chain 1.Adjust the amount of slack equally at both sides. 2.Carryout hard facing of the sprockets 3.Replace the elongated chain parts. 4.Remove the foreign material from the bases of the teeth. 5.Avoid reverse rotation of the conveyor when chain tightened is uneven 2 Chain separates poorly from the sprocket. 1.Sprocket misalignment. 2.Excess chain slack. 3.Excess wear at the bases of sprocket teeth. 4.Uneven chain tightening of chain 1-Adjust alignment. 2-Adjust the amount of slack.
Sl No. IBR Form No. Details of forms 1 I Memorandum for Boiler inspection or registration 2 II Issued by inspection authority during new construction 3 II A Issued by inspection authority during new construction for foreign code boilers 4 III Certificate of manufacture issued by constructor 5 III A Steam pipe line test certificate issued by manufacturer 6 III B Tubes test certificate issued by manufacturer 7 III C Test certificates for fittings & mountings (Valves,bend,elbow,tee etc) 8 III F Test certificates of casting & forging issued by manufacturer 9 V Boiler use provisional order issued by Boiler inspector authority 10 VI Certificate issued by directorate of steam boiler for boiler use 11 VII Inspecting authority (directorate of steam boiler) certif
