tender for major overhauling ofid/fd/pa/seal air fans of unit no-9 of 250 mw, dtps htps, kasimpur, aligarh - overhaullingof id fans:- 2 checking/replacement of thrust pads and de/nde side bearings. 3 replacement ofimpeller/shaft. 4 servicing of igv. 5 replacement of liner blades. 6 overhauling of hydraulic couplings. 7 alignment of hydraulic coupling with motor andfan. 8 replacement of impeller sealing ring. 9 repairing of impeller sealing ring. 10 replacement of mechanical seal/bearing/replacement of cartridge of lube oil pump. 11 checking/servicing of lube oil system. 12 servicing of duct blower. 13 cleaning of impeller and impeller casing. 14 servicing of hydraulic coupling oil cooler. 15 cleaning of conical cover plate. 16 checking/servicing of inlet and outlet gate 17 overhaulling of fd fans:- 18 checking/servicing/changing of oil sealof de/nde side bearing. 19 changing/servicing of impeller servomotor. 20 dismantling/checking/mounting of shaft with bearing assembly. 21 checking/servicing of damper. 22 checking/servicing of lube oil system. 23 checking/servicing of lube oil pump. 24 coupling and alignment of fan with motor. 25 assembly of the blade and the adjusting lever. 26 removal/changing of the rotor assembly. 27 dismantling and assembly of the blades. 28 checking/changing of blade shaft bearing. 29 cleaning of duct including suction chamber and diffuser. 30 arresting leakage/replacement of expansion piece(outlet) 31 servicing of lube oil cooler 32 overhaulling of pa fans:- 33 checking/servicing/changing of oil sealof de/nde side bearing. 34 changing/servicing of impeller servomotor. 35 removal/changing ofrotor assembly. 36 dismantling and assembly of the blades. 37 checking/servicing of blade shaft bearing 38 dismantling/checking/ mounting of shaft bearing assembly. 39 assembly of the blade and the adjusting lever. 40 coupling and alignment of fan with motor. 41 checking/servicing of lube oil system. 42 checking/servicing of lube oil pump. 43 checking/servicing of outlet gate. 44 cleaning of duct including suction chamber and diffuser. 45 arresting leakage/replacement of expansion piece(outlet) 46 checking/changing of blade shaft bearing. 47 servicing of lube oil cooler 48 overhaullingof seal air fans:- 49 performing alignment with motor 50 replacement/checkingof nde bearing. 51 replacement/checkingof de bearing 52 cleaning/servicingof suction filter. 53 replacement/repairing/static balancing of impeller. 54 servicing of suction valve/suction damper. 55 service of hoist & duct repairing 56 servicing of fd/pa fan hoist(capacity:- 3.5 ton) 57 servicing of fd/pa fan hoist(capacity:- 12.5 ton) 58 servicing of id fan hoist(capacity:- 12.5 ton) 59 repairing of id/fd/pa/seal air fans duct