Tenders Are Invited For Repair, Maintenance And Associated Services Related To Marine And Other Equipment – Conversion Of The Auxiliary Diesel And Hydraulic System Of The Floating Grabs Gründling And Streber
Tenders Are Invited For Repair, Maintenance And Associated Services Related To Marine And Other Equipment – Conversion Of The Auxiliary Diesel And Hydraulic System Of The Floating Grabs Gründling And Streber
Repair, Maintenance And Associated Services Related To Marine And Other Equipment – Conversion Of The Auxiliary Diesel And Hydraulic System Of The Floating Grabs Gründling And Streber. The Wsa Danube Mdk Uses Two Identical Floating Grabs (Sg), Gudgeon And Nerd, To Maintain The Federal Waterway. The Ships Are Stationed As Follows: - Sg Gründling In The Outskirts Of Passau - Sg Streber In The Outskirts Of Regensburg The Technical Components Of The Generator And Hydraulic System Are To Be Renewed And Converted. The Reason For The Measure Is That The Theoretical Service Life Of The Auxiliary Diesel And Control System Has Been Exceeded. In Connection With The Measure, A System Improvement Is Also Sought. In The Past, High Oil Temperatures Resulted From High Use Of Hydraulic Systems, The Decisive Factor Being The Use Of The Pile System. The Installed Oil Cooler Is Located In The Engine Room And Heats The Air There Extremely. The Engine Room Fans Therefore Run Permanently At Maximum Power And Require An Increased Power Requirement, Which Can Hardly Be Provided By The Auxiliary Diesel And Generator When The Hydraulic System Is Heavily Used, Which Can Lead To The Combustion Engine Stalling And Thus Putting The Ship In An Unsafe Condition. To Solve The Problem Described, The System Should Be Converted As Follows: - Mechanically Separate The Hydraulics And Generator - A Separate Generator On The Foundation Of The Auxiliary Diesel - Two Compact Hydraulic Units - Installed In The Foredeck For The Pile System, Hammer Head Coupling And Combination Winches Bow - And Installed In The Engine Room For Adjustable Helm, Masts, Combination Tacks Rear - Moving The Oil Cooler To The Deck The New Combustion Engine Must Comply With The Exhaust Gas Regulations Of The Meet Es-Trin. Emergency Operation Of The Hydraulic Systems Is Ensured By A 24 V Emergency Pump, Which Is Powered By The On-Board Electrical System. According To Es-Trin Specifications. A Biodegradable Oil Is Used As Hydraulic Oil Even After The Conversion. The Hydraulic System Is Designed As A Load Sensing System. A Scheduled Hydraulic Hose Change According To Dguv Specifications Is Carried Out For The Entire Sg Gründling And Streber.
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