Wednesday, December 18, 2019

Sperry BME X-band PM unit water ingress

There are few occasions whereby PM unit ingress with water and after a prolong period, the PM unit causes system to behave abnormal due to system 12Vdc has been pull down.
Please see PM unit after dismantle.
https://drive.google.com/uc?export=view&id=10IrKpxpgStovyZ_J6I6666T7KSnWtXUN

Friday, December 6, 2019

Hatteland monitor JH23T12 FUD-AA1-AOAA Reason for failing

Hatteland monitor was one of the type approved marine grade monitor in the market. Why do hatteland monitor fail to work after few years of continuous operation on ship?  One of the main reason was the HRX cable connect between the LCD screen and the control board, insulation breakdown causing shorting internally. Please see cable responsible for causing monitor to fail.
https://drive.google.com/uc?export=view&id=1kC6bsdX3cbtYnA6YTiZgK-o4ANY_xo-Thttps://drive.google.com/uc?export=view&id=1_jsqggmgyhdXqL_w7lsQuAuXr-FkB6JD

Tuesday, August 20, 2019

Dismantle sperry BME motor

Using hand to rotate the motor found not rotating smoothly. Dismantle the motor and found 6 pieces of bearing/gear inside.Top 3 pieces of bearing/gear, bottom 3 pieces of bearing/gear. Please see photos 
below:
 https://drive.google.com/uc?export=view&id=11AcGsstToTkRLR9Zz8qEPvR2gP7o-HxG
https://drive.google.com/uc?export=view&id=1cNCXbSDkcV3_ZRhnbZ9nDoPIUa30VYH7

Sperry Marine BME X-Band Motor Diagnostic

It was reported that radar stop turning during transmission. Checked scanner on/off switch it was in on position. Go to scanner and open up the upmast gearbox with build in transceiver. Heard a squirking sound from motor drive pcb. Carry out replacement of both motor and motor drive pcb. Checked the motor drive pcb and found two transistors holder melted. Two transistors were damage as well. Open the motor and found the 6 coils , 2 were darken. See photos below :https://drive.google.com/uc?export=view&id=1_lRvp-Jf6xbxAn3m-bZepp8j7Am-L2Be
https://drive.google.com/uc?export=view&id=1kSzFi-4pDp89k_aQ09gZ2ygBi8ex8-bx

Friday, March 8, 2019

Commissioning and Installing Danelec DM100 SVDR on board a Cargo Vessel

This cargo vessel equipped with Rutter SVDR. We are task to replace the old SVDR with Danelec DM100 SVDR. Attend on board and found most of the mounting has already done by crew.
This include Capsule at Monkey Island and all internal and external microphones were mounted.
Cables has been run between microphone and DAU(Data Acquisition Unit). All sensors including GPS, AIS, Gyro, Speed log. BAU(Bridge Alarm Unit) has been mounted as well. Checked software version 1.20. Upgrade software from V1.20 to V1.21. Connect sperry vmft X-band radar image to SVDR for image captured at resolution of 1920 x 1200. VHF found Skanti and remove the old interface to relocate near DAU. Run a short cable between DAU and VHF. Tested SVDR recording VHF signal properly. 

Monday, February 18, 2019

JRC ECDIS parts for sale

We are please to offer JRC ECDIS spare parts in good working condition.
It was installed on one multipurpose cargo vessel, as only one 19' JRC ECDIS onboard, We have removed the old JRC ecdis and replaced with a Danelec DM700 ECDIS master and backup station.
Crew was happy to use the new ECDIS run on Linux system.
The Old JRC ECDIS we decided to recycle the old JRC parts for reuse to hope help the environment go green and less waste. At the same time contribute some small gain for our company.
Anyone interested can contact me for quotation. The JRC ECDIS parts were all tested in good working condition before dismantle.

JRC ECDIS: AC-DC PSU

JRC ECDIS : Battery for PSU CBD-1831

JRC ECDIS : Gyro I/F board CMJ-462E

JRC ECDIS : Ethernet Card CDC-1339

  JRC ECDIS : Ethernet card CDJ-2373

JRC ECDIS : Motherboard with CPU & RAM HR100

JRC ECDIS : Processor PSU eNSP-300P-S20-11S

JRC ECDIS : PSU NBD-904

JRC ECDIS : Terminal Board 2130

JRC ECDIS : Back Plane motherboard CQC-1219