GENERAL Annual Maintenance works 2025 2026 Cherupuzha LI Scheme Annual Maintenance Contract for Cherupuzha Lift Irrigation Scheme for the year 2025 2026 in Kottathara Panchayath Kalpetta LAC General Electrical Work

OD239095/2025-2026:Dismantling the11-30 HP motor into stator and rotor, cleaning the windings attending minor repairs, re taping the coils if necessary, varnishing the coils with best quality insulation varnish,cleaning and greasing the bearings with good quality grease, heating the windings,reassembling, test running including scrapping, cleaning and painting with enamel paint.

OD239101/2025-2026:Dismantling the 5 HP Vaccum motor into stator and rotor, cleaning the the stator and rotor thoroughly using fresh water removing the sand and mud particles from core, coil etc and removing the water and moisture content using and heating the same for 6 days to get required IR value. cleaning the windings, cleaning with petrol, attending minor repairs, retaping the coils if necessary, varnishing the coils with best quality insulation varnish, cleaning and greasing the bearings with Lithium base grease, heating and baking the windings, reassembling, test running. Dismantling the 5 HP pump into parts, cleaning the impeller and case assembly thoroughly using fresh water removing the sand and mud particles etc cleaning and greasing the bearings with Lithium base grease, reassembling, test running.

OD239100/2025-2026:Dismantling the 11-30 HP starters by parts draining out the oil, cleaning the tank, terminal contacts, cutting, leveling and polishing the contacts, cleaning contacts wherever necessary,checking the tripping mechanism, replacing the damaged wires, attending minor repairs,cleaning the oil,(in case of oil starters ), refitting, resetting and making the starter in good working condition.

OD239098/2025-2026:Supply and Replacing of DE and NDE side motor bearing (N-314 roller & 6310Z ball bearing) suitable for 20 Hp motor and making the motor into running condition.

OD239096/2025-2026:Dismantling the 11-30 HP pump of motor pump set taking out the impeller shaft assembly,detaching impeller shaft assembly,Reconditioning the worn out shaft by welding ,mettaling ,cutting,grinding ,and dynamically balancing etc. refitting the same in pump

OD239097/2025-2026:Supply and Replacing of DE and NDE side Pump bearing (6408 N ) suitable for 20 Hp Pump and making the pump running condition.

OD239106/2025-2026:Supply and Replacing of DE and NDE side of 20 HP pump bearing 6308-2Z and making pump running condition.

OD239104/2025-2026: Supply and Replacing of Oil seal (40mmX62mmX10mm-2no's) &(35mm X50mmX10mm-2no's) suitable for 20 Hp Pump and making the pump running condition.

OD239107/2025-2026:Supply and replacing damaged BC-5 nylon coupling bush of size OD 32mm x ID 20mm and 30mm long