Bids Are Invited For Repair And Overhauling Service - Rate Contract For Routines On Kta Series Cummins Das In Vessels; Any Other Suitable Brand; No; Buyer Premises 1 Carry Out A, B And C Checks 6000H1 Fuel System(A) Clean And Calibrate Injectors And R, visakhapatnam-Andhra Pradesh

Bids Are Invited For Repair and Overhauling Service - RATE CONTRACT FOR ROUTINES ON KTA SERIES CUMMINS DAS IN VESSELS; ANY OTHER SUITABLE BRAND; No; Buyer Premises 1 Carry out A, B and C checks 6000H1 Fuel System(a) Clean and calibrate injectors and record test pressures in service log. Also 2 change injector inlet screen. (b) Replace rocker cover gaskets. (c) Adjust valve tappet dearances within limits and record in service log (d) Replace fuel pump filter (screen and magnet) (e) Calibrate PT fuel pump and record in service log 6000H2 3 Air system (a) Clean turbocharger, compressor wheel and diffuser (b) Check turbo charger radiallend bearing clearance in-situ. Note: Renew Oring and Teflon Gasket when turbocharger is opened for checking clearances. 6000H3 Check turbo charger radiallend bearing clearance in-situ on removal of inletiexhaust pipes. Note: Renew O ring and Teflon Gasket whenever TIC is opened for checking clearances, SRE 4 Charge Air Cooler & Fresh Water Cooler: (a) Clean the internal passages of Charge Ar Cooler and Fresh water cooler coolant side using Restore Plus as laid down in operating manual.(b) Renew coolant in the system (c) Inspect Charge Air Cooler air side and if required dean using hot water and pressure test up to 2kg/cm2.6000H4 5 Other Maintenance (a) Clean Engine with solvent. (b) Carryout flushing through of coolant system as per JC 6000H5 6. Check thickness of vibration damper at 0, 90, 180 and 270 Degree positions. Replace damper if variation of the 4 readings exceeds 0.010 inch (0.25mm) or exceeds max allowable thickness. Checks to be undertaken in coupled condition 6000H6 7 Check crank end clearances with a dial indicator, attaching against damper Min 0.13 mm. Max-0.51 mm 6000H8 8 Tighten mounting bolts/mut as required 6000H9 9 Undertake alignment checks between the generator and engine and restore radialiaxial initial alignment to 25% of the max limit SR2 Check torque tightening of coupling innerlouter members as specified in the manual for DAs fitted with Hoiset (Reynolds) or Centamax couplings. In case of Vulcan couplings, check for cracks on rubiber and if wear mark does not exceed limits. Check lightness of adaptor plate bolts (coupling bolts) SR4 10 Carry out A,B,C.D and SR Checks 12000H1 KTA50G3 Inspect Holset/Vulcan/Contamas flexible coupling and torque tighten innerfouter members. Check rubber blocks/disc for deterioration. Renew if necessary 12000H4 Undertake alignment checks between the generator and engine and restore radialliaxial initial alignment to 25% of the max Imit 12000H5. Renew Rubber vibration dampers where fitted. 12000H6 11 Offer performance assessment trials on extemal load tank to OTTT/ETMA and vibration tmals to MTU Crankcase blowby/engine smoke condition is also to be recorded along with all other performance parameters. Trial teams to forward recommendations. 12000H2 12 Undertake random inspection of two representative liners and bearings of the engine. Inspect other liners/bearings incase deteriorated. Following inspection and examination cylinders to be carried out -(a) Gauging and inspection of one liner from each bank for corrosion/pitting post extraction. (b) Gauging of connecting rod big and bearing clearances and examination Total Quantity :

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