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Wärtsilä Italy, Service
Subject Engine type Ref. Date Document No. DLC Issue Page
Exhaust Gas Waste ZA40S WIT-S 01.07.2003 P-ZA40S.0005.GB 150 00 1/3Gate Valve
Wärtsilä Italia SpA Bagnoli della Rosandra, 334 Telephone : +39 040 319 5000Service 34018 San Dorligo Della Valle (TS) ITALY Fax : +39 040 319 5647
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Exhaust Gas Waste Gate Valve
1 IntroductionThe purpose of this Spare Part Notice is to assist you in the EWG MK5 upgradingprocess. Refer to Technical Bulletin ZAS-41.
2 Application fieldThis Spare Part Notice concerns all Sulzer ZA40S L and V version engines.
3 Up-grading kitThe following kits have been arranged according to the existing EWG. Moreover, theupgrade of existing EWG is also available as MK5 complete set.
3.1 MK5 complete set Qty
KS83600 MK5 – constant nominal speed above 80& load 1 /bankKS83600 MK5 – variable speed above 80% load 1 /bankKS83600 MK5 – for special application only 1 /bank
3.2 Up-grading kits from MK2 to MK5 Qty
3.2.1 Spare Parts to be newly suppliedBalance Piston 1/bankCylinder Bush 1/bank
Piston 1/bank
Piston Ring Gas Tight 1/bankCover 1/bankAdjusting Plate 1/bank
Elastic Screw 1/bankHexagon Head Bolt 1/bankHexagon Nut 1/bankHexagon Nut 2/bankHexagon Thin Nut 2/bankHeat Resistant Tension Washer 1/bankHexagon Head Bolt 4/bank
Wärtsilä Italy, Service
Subject Engine type Ref. Date Document No. DLC Issue Page
Exhaust Gas Waste ZA40S WIT-S 01.07.2003 P-ZA40S.0005.GB 150 00 2/3Gate Valve
Wärtsilä Italia SpA Bagnoli della Rosandra, 334 Telephone : +39 040 319 5000Service 34018 San Dorligo Della Valle (TS) ITALY Fax : +39 040 319 5647
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Compression Spring (Constant Speed Application) 1/bankCompression Spring (Variable Speed Application) 1/bankCompression Spring (Special Application – Refer to WIT TS) 1/bank
3.2.2 Existing Parts to be machinedHousing to be machined 1/bank
Guide Bush to be machined 1/bank
Clamping Ring to be machined 1/bank
All other parts remain unchanged from existing Waste Gate drawing
3.3 Up-grading kits from MK3 to MK5 Qty
3.3.1 Spare Parts to be newly suppliedBalance Piston 1/bankCylinder Bush 1/bank
Piston 1/bank
Piston Ring Gas Tight 1/bankCover 1/bankAdjusting Plate 1/bank
Elastic Screw 1/bankHexagon Nut 1/bankHexagon Nut 2/bankCompression Spring (Constant Speed Application) 1/bankCompression Spring (Variable Speed Application) 1/bankCompression Spring (Special Application – Refer to WIT TS) 1/bank
3.3.2 Existing Parts to be machinedHousing to be machined 1/bank
Guide Bush to be machined 1/bank
Clamping Ring to be machined 1/bank
All other parts remain unchanged from existing Waste Gate drawing
Wärtsilä Italy, Service
Subject Engine type Ref. Date Document No. DLC Issue Page
Exhaust Gas Waste ZA40S WIT-S 01.07.2003 P-ZA40S.0005.GB 150 00 3/3Gate Valve
Wärtsilä Italia SpA Bagnoli della Rosandra, 334 Telephone : +39 040 319 5000Service 34018 San Dorligo Della Valle (TS) ITALY Fax : +39 040 319 5647
pm^ob=m^oqklqf`b
3.4 Up-grading kits from MK4 to MK5 Qty
3.4.1 Spare Parts to be newly suppliedBalance Piston 1/bankCylinder Bush 1/bankCompression Spring (Constant Speed Application) 1/bankCompression Spring (Variable Speed Application) 1/bankCompression Spring (Special Application – Refer to WIT TS) 1/bank
3.4.2 Existing Parts to be machinedHousing to be machined 1/bank
Guide Bush (to be machined 1/bank
All other parts remain unchanged from existing Waste Gate drawing
4 DistributionWärtsilä Italy Service Wärtsilä Service Network
Owners of engines concerned
