tender for procurement of spares, repairing works and technical supervisory services for overhauling of centrifigal compressor # 4 , engg spares , impeller first stage, p/n: aap1793842-03607 , pinion bearing insert l.s, p/n: aaa3793904-3500 , air /oil seal for stage-1 of compressor model : ta3000, p/n: aap1793907-03001 , impeller for second stage, p/n: aap1793841-03607 , impeller for third stage, p/n: aap1793840-03607 , pinion bearing insert h.s, p/n: aaa3793904-3600 , air /oil seal for stage-2 of compressor model : ta3000 , air /oil seal for stage-3 of compressor model : ta3000 , duplex pair, bearing, ball angular, part no: 19 2855920550 , bull gear oil seal, p/n: aap3793949-02001 , screw for diffuser (i stage) part no : p090219000048 , screw for diffuser (ii & iii stage) part no : p090219000037 , zinc spray, p/n: 5677868712 , kit service i/cooler / product code: 2855901150 , bearing housing lock key, p/n : aap0901848 - 01022 , main oil pump coupling, p/n : aap1402070 - 00254 , auxiliary oil pump coupling, p/n : aap1402070 - 00249 , repairing of high speed rotor assembly of centrifugal air compressor of ta3000 model , repairing of low speed rotor assembly of centrifugal air compressor (model: ta3000) , reconditioning of stage 1 inlet shroud with ss304 sleeve and contour machining , reconditioning of stage 2 inlet shroud with ss304 sleeve and contour machining , reconditioning of stage 3 inlet shroud with ss304 sleeve and contour machining , technical supervisory services for overhauling of centrifugal air compressors - model ta 3000