Checked and Repair (Exclude repair and renew spare part)

The parts of the draft gauge system are:

a. Sensor Area (Bow Thruster Room and Stern Thruster Room)

1. Pressure Transmitter/ Transducer Installation
2. Gate Valve
3. Differential Pressure Pipe Installation 

Sensor Area ( Bow Thruster Room)

b. Monitoring Area

1. MDU (Master Display Unit)
2. Barrier (Substation with I/O Module)

The number of sections in the draft gauge system

No	Parts	Qty.
1	Pressure Transmitter/ Transducer	4 unit	Fwd Left, Fwd Right, Port, Starboard
2	Gate Valve Control	4 unit	Fwd Left, Fwd Right, Port, Starboard
3	Differential Pressure Pipe Installation	4 set	Fwd Left, Fwd Right, Port, Starboard
4	MDU (Master Display Unit)	1 unit	Bridge
5	Substation with I/O Module ( barrier)	1 set	Bridge (for 4 unit input signal from Transducer

Pressure Transmitter Unit

Sections that must be checked

a. Pressure Transmitter 

• Pressure Transmitter calibration should be done, to ensure that the device is working properly. 

b. Gate Valve

• Checking function of gate valve to avoid clogging the drain hole. Because disfluencies can reduce the flow of water pressure. 

Pressure Transmitter Unit and Pipe Installation

c. Differential Pressure Pipe Installation

• Checking function of differential pressure pipe installation to avoid clogging the drain hole. Because disfluencies can reduce the flow of water pressure. 

d. MDU

Differential pressure Transmitter Pipe Installation

• Adjustment values ​​/ parameters are the same as the results of the calibration has been done. 
• Substation with I/O Module To ensure that the module is still processing the input from the transducer and feeding into the MDU.
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Combining alarm output vibration monitor to general alarm & excessive vibration trip

Equipment Specification:

• Brand: Shinkawa Sensor Technology , Inc.
• Vibration monitor :
• Input power supply : 86 to 264 VAC 
• Alarm output type : CH 1: 2 point (DANGER & ALERT) 
• Alarm reset (DANGER & ALERT ) : AUTO RESET 
• Alarm delay time (DANGER & ALERT) : 1 sec,3 sec & 6 sec 

Vibration monitor Shinkawa Sensor Technology , Inc

Problems occurred ( information from the owner / user ):

• Owner want to alarm vibration there are two stages 

1. First time of vibration increases. then give a signal & indicator 
2. Second time is more vibration while increasing. will automatically shut down the engine

Inspection results:

1. To run this system I have set up a control cable from the switch board to the turbine generator alarm panel
2. Add a one relay to transmit a signal to a general alarm and excessive vibration trip
3. Buzzer Turbine Generator Alarm panel does not work 
4. General Alarm system in T.G alarm panel , Not correct functioned.

Problem solving and result 

1. ALERT ALARM :

• Pulling the cable 2x1.5mm of vibration monitors to Turbine Generator Alarm Panel are use to signal indicators and general alarm 
• Set up a control cable for auxiliary contacts are used for general alarm 
• Fix the broken buzzer 

2. DANGER ALARM :

• Pulling the cable 2x1.5mm of vibration monitors to Turbine Generator Alarm Panel are use to signal indicators and general alarm 
• Installing the relay, which is used to send signals to the Turbine Generator Alarm Panel and Control Turbine Generator Panel (place : Turbine Generator)
• Set up a control cable for auxiliary contacts are used to setting up contact relay and power relay
• Connect the alarm output signal danger to EXCESSIVE VIBRATION TRIP in the control TG panel

3. T.G ALARM PANEL : 

• Correcting wiring General Alarm in the inside T.G Alarm Panel 
• Get you auxiliary contact of R1 R2 R3 R4 R5 R6 and incorporate in the terminal General Alarm.

Level Transmitter

Specification of Level Transmitter

Level Transmitter

• PTD 10-3622
• Range          : -1-0 MWG
• Max. Press. : 10MPA
• Output         : 8-10psi
• Supply          : 1,4BAR
• NANIWA EUREKA

Results of the inspections and the work to be performed of Level Transmitter

• External calibration must be performed.
• The operation of the level transmitter requires media liquid/oil separator tank, the water pressure min. 1, 4bar. And the readiness of the media to Pump water signal Control Room.

Air Gas Separator

Air Gas Separator

• NANIWA EUREKA

Results of the inspections and the work to be performed of Air Gas Separator

• Cleaning of dirt and mud at the bottom of the separator tank.
• The operation of the Gas-water separator requires readiness on installation in suction Non return COP and installation.

Float Valve

Float Valve

Results of the inspections and the work to be performed of Float Valve

• Purge valve holder
• Setting the position of the valve (to the middle).
• Purge valve and ensure the operational feasibility of the valve.

The operation of the Float Valve requires readiness of liquid/oil separator inside the tank and the pipe installation is vacuum drawn from pump is vacuum drawn, including the feasibility of Gate Valve is vacuum drawn.

Butterfly Valve

Results of the inspections and the work to be performed of Butterfly Valve

• Test the operational feasibility of the Butterfly Valve (Impropriety during the inspection required replacement/no repairs).
• Need to be clarified to scoope sub job overhauld/replacing the Butterfly Valve and the history that has been worked on.

Servo Cylinder

Results of the inspections and the work to be performed of Servo Cylinder

• Replacement Servo Cylinder cover.
• Examination of the operational feasibility of the piston.
• Operational readiness entails job Servo cylinder Butterfly valve, pressure water supply.

Power Positioner

Results of the inspections and the work to be performed of Power Positioner

• Setting the parameter positioned/calibration (output pressure to the valve position 4, 5psi on the butterfly valve should be closed and position the 5psi 13th, katub must be open).
• Operational readiness entails work Positioners Power Butterfly valve, pressure water supply.

Restrictor

Results of the inspections and the work to be performed of Restrictor

• Operational feasibility test restrictor
• (Impropriety during the inspection required replacement/no repairs).
• Operations readiness requires Restrictor from a job the Butterfly valve, pressure water supply.

Gate Valve

Results of the inspections and the work to be performed of Gate Valve

Gate Valve

• The eligibility examination function gate valve.
• (Impropriety during the inspection required replacement/no repairs).
• Need to be clarified to scoope sub job overhauld/replacing Gate Valve.
• Gate Valve operational readiness requires work in the area of the Pump Control Room and availability of water supply pressure in the pump control room.

Vacuum Pump

Results of the inspections and the work to be performed of Vacuum Pump

Vacuum Pump

• Results of inspections that the pump is vacuum drawn did not exist at the position.
• Need to be clarified to scoope sub job overhauld/replacing is vacuum drawn Pump and the history that has been worked on.
• Operational readiness is vacuum drawn Pump requires all employment-related system is vacuum drawn Stripping COP and the availability of water pressure supply, sea water pressure in pump room is vacuum drawn area.

Vacuum Transmitter

Results of the inspections and the work to be performed of Vacuum Transmitter

Vacuum Transmitter

• Results of Inspection that is vacuum drawn transmitter in the State regardless of the position should be.
• External calibration has to be done.
• Need to be clarified to scoope sub job overhauld/replacing Transmitters and is vacuum drawn history that has been worked on.
• The operation of the Transmitter is vacuum drawn requires preparedness work is vacuum drawn Pum unit and the availability of air pressure and water pressure on the sea area is vacuum drawn pump.

Electric Starter and Electric Motor

Results of the inspections and the work to be performed of Electric Starter and Electric Motor

Electric Starter and Electric Motor

• Results of Inspections that the Electric Starter and electric motor in the State regardless of the position should be.
• Need to be clarified to scoope sub job overhauld/replacing Electric Starter and Electric Motor and the history that has been worked on.
• Operation of the Electric starter and electric pump requires the readiness of all systems related to the Stripping System is vacuum drawn, the availability of air pressure and sea water pressure.

Pressure Switch

Results of the inspections and the work to be performed of Pressure Switch

• Examination of the feasibility of a function of the pressure switch.
• Setting parameters of pressure/external calibration
• (Impropriety during the inspection required replacement/no repairs).
• Operation of the pressure switch take the readiness of the electric motor, the air supply is vacuum drawn in area is vacuum drawn pump and electric power.

Air Switch On/Off

Results of the inspections and the work to be performed of Air Switch On/Off

Air Switch On/Off

• Examination of the feasibility of Water function On/Off switch (Impropriety during the inspection required replacement/no repairs).
• Operation On/Off switch Water requires the readiness of the air supply in the Pump control Room.

Air filter

Results of the inspections and the work to be performed of Air Filter

Air Filter

• Examination of the feasibility of water Filter function.
• (Impropriety during the inspection required replacement/no repairs).
• Water Filter requires operational readiness of the air supply in the Pump control Room.

Pneumatic Regulator

Results of the inspections and the work to be performed of Pneumatic Regulator

• Examination of the feasibility of Pneumatic Regulator function.
• (Impropriety during the inspection required replacement/no repairs).
• Pneumatic Regulators require operational readiness of the air supply in the Pump control Room.

Reduction Valve

Results of the inspections and the work to be performed of Reduction Valve

• The eligibility examination function Reduction Valve.
• (Impropriety during the inspection required replacement/no repairs).
• Operational Reduction Valve requires preparedness in the area of air supply Pump control Room.

Manometer

Results of the inspections and the work to be performed of Manometer

• Examination of the feasibility of the Manometer/function needs to be done external calibration
• (Impropriety during the inspection required replacement/no repairs).
• Operation On/Off switch Water requires the readiness of the air supply in the Pump control Room and Pump Room

Vacuum Indicator

Results of the inspections and the work to be performed of Vacuum Indicator

• The eligibility examination is vacuum drawn function Indicator/external calibration has to be done
• (Impropriety during the inspection required replacement/no repairs).
• Operational readiness Indicator is vacuum drawn requires water supply Pump control Room area and a pump room.

Auto Manual Indicator

Results of the inspections and the work to be performed of Auto Manual Indicator

• Examination eligibility Indicator Manual/functions need to be done external calibration
• (Impropriety during the inspection required replacement/no repairs).
• Operational Manual Auto Indicator requires preparedness in the area of air supply Pump control Room and area of the pump room.

Position Indicator

Results of the inspections and the work to be performed of

• Examination of the feasibility of the function Position Indicator/external calibration has to be done (Impropriety during the inspection required replacement/no repairs).
• Operational Position Indicator requires preparedness in the area of air supply Pump control Room and area of the pump room.

Low signal selector

Results of the inspections and the work to be performed of Low Indicator

• Examination of the feasibility of Low Signal selector/functions need to be done external calibration
• (Impropriety during the inspection required replacement/no repairs).
• Low signal selector requires the operational readiness of the air supply in the Pump control Room and area of the pump room.

Flushing tubing jobs

Level Restrictor-PCR 

Transmitter-PCR

Vacuum transmitter-PCR

Pressure switch-PCR

Tubing unit PCR

Tubing unit

1. Stripping System is vacuum drawn COPS in operational readiness and availability required
a. Supply air,
b. Supply of sea water (sea water),
c. Supply of electric power and the readiness of all the work mentioned above.

2. In normal use will appear the data material material that needs to be done it is because the replacement mode allows system emergence «problems in one equipment that relates directly or indirectly.

3. need a history for some work as follow:
a. Electric Motor,
b. Starter Motor,
c. Pump is vacuum drawn,
d. Gas Water separator,
e. Transmitter is vacuum drawn,
Because the results of the inspections have been carried out according to the work on the sub sections of work above.

4. Need knowing job readiness (readiness of schedule) are as follows:
a. Electric Motor,
b. Starter Motor,
c. Vacuum drawn Transmitter (which regardless, and it captures the material regardless)

5. due to the stripping system is vacuum drawn COPS, is joining the system and requires some step workmanship as well as readiness assistive media, as mentioned in point one then needs to appropriate work restrictions clarity has been divided into the above inspection points. In order not to appear a confusion in understanding scoope jobs.

6. Some equipment related to the system requires the calibration of the outside yard:
a. Level Transmitter
b. Power Butterfly Valve Positioners
c. Vacuum drawn Transmitter
d. Pressure Switch
e. The Manometer
f. Vacuum drawn Indicator
g. Auto Manual Indicator
h. Position Indicator