bids are invited for repair and overhauling service - deck crane; palfinger; no; buyer premises plant oil level switch to be check after drain the hydraulic oil from reservoir tank. hydraulic oil oil replacement of hydraulic reservoir c hydraulic reservoir check for any external leakages form reservoir avoid rain water saturation on surface area. oil level sight glass to be check condition filters & breather check status of filter clogging, replace as per refit routine. system working pressure check max oil pressure and record oil pressure observed during functionality checks. take corrective action if required. hydraulic control unit (main control valve) check functionality of operating lever of main control valve and solenoid coils for remote operation. take corrective action if malfunctioning. hydraulic hoses to be replaced all defective hoses. pipes connections checks for any loose connection & external leakages. take corrective action to arrest same total quantity :