HANLA SERVICE CENTRE

 

VESSEL : PL3700 PRESSURE TRANSMITTER

PORT :  SINGAPORE

JOBNO :20151011

EQUIPMENT :  REMOTE SOUNDING SYSTEM / FIXED GAS SYSTEM

DATE : 12/10/2015

MAKE : HANLA |  ENRAF | HONEYWELL

MODEL : PL 3700
​ The PL3700 family of pressure transmitters includes submersible, flange-mounted, and manifold sensors that measure level in tanks (service tanks, ballast tanks, slop and water) and the pressure on cargo lines. In addition, it also includes an atmospheric pressure sensor for level calculations. All transmitters feature a ceramic, capacitive sensor that ensures best-in-class reliability and corrosion resistance. ​​​​ Application in Hanla Draft, Water Ballast Tank and Cargo tanks.

ITEM

DESCRIPTION / REMARKS :

1

JOB DESCRIPTION :

 

aa. HGS-100 :- To check fixed gas sampling system

bb. PL 3700 :- To check faulty WBT and Draft Remote gauging.

 

2

HGS-100 INSPECTION OF FIXED GAS SYSTEM

 

Inspected the system, found all the setting parameters and configurations corrupted.

 

hsg-100 panel

 

 

3

RECONFIGURE SETTINGS

 

Proceed to carry out reconfiguration and reset all channels one by one.

 

hgs-100 calibration

 

Found several alarms persist.

 

Troubleshoot and found 02 nos sampling pumps faulty.

 

* System cannot be tested further to see if there are any other issues until pumps are renewed.

 

* Note system is not operational.

 

 

 

 

 

 

 

4

PL 3700 WBT AND DRAFT GAUGE

 

Check reported faulty Tank Gauges.

WBT 1P, 6P, APT  (P/S) and 04 Nos draft gauges erratic readings .

 

pl3700

 

TROUBLESHOOT AND FOUND

 

Tank No

Faults

 

WBT 1 P  

PCB faulty.

 

6 P  

Sensor Faulty

 

APT P/S 

PCB Faulty

 

Draft FWD

Sensor and PCB Faulty

 

Draft AFT  

PCB Faulty

 

Draft P/S 

Erratic reading

 

 

 

 

 

5

RECTIFICATION

 

#1 WBT (P)

 

Swapped 6 P WBT PCB to 1P , configured settings. Working in Order.

 

pl3700 calibration

 

Draft Mid P / S:

 

Adjust and calibrated. Tested working satisfactory.

 

pl3700 service

6

RECOMENDATION /REQUIRED SPARES:

 

 

Tank No

Parts required

Qty

WBT 1 P  

PCB

1 Set

6 P  

PCB and Sensor

1 Set Ea

APT P/S 

PCB

1 Set

Draft FWD

PCB  and Sensor 

1 Set Ea

Draft AFT  

PCB

1 Set

Fixed gas system

Sampling pumps

02 Nos

 

PCB   – 06 Nos

SENSOR– 02 Nos

Samplimg pump for Fiexd Gas Sampling System – 02 Nos

 

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