Tender For corrigendum : tender for supply of spares for air blowers of daes d d - spares for air blowers of daes d d - 65 ac impeller , 65 ac bearing housing , 65 ac bearing cover drive shaft , 65 ac oil level indicator , 65 ac gear side plate , 65 ac oil securing disc gear side , 65 ac gear cover , 65 ac lip oil seal , 65 ac key , 65 ac external circlip , 65 ac check nut