SERVICE
REPORT
ISO 9001:2008 ACCREDITED
JOB NO : 20110426
sales@raycontrol.com
Page 1 of 3
VESSEL:
PORT:SG
DATE:02/06/2011
MAKE:
JIANGNAN MARINE
EQUIPMENT:
WINCH HYDRAULICS SYSTEM
MODEL:8MBA-200-1-7G-BE
DEFECTS/REASON FOR CALL: TO
INSPECTION AND TROUBLESHOOT.
#
DESCRIPTION
REMARKS
INSPECTION:-
Received Winch Control
Block Valve.
1
Visual inspection found
corrosion on various
valves components and
parts.
FUNCTION TESTING:-
Hook up control block
with Hyd motor for shop
test.
2
Found control block
valve not working,
unable to move motor or
built up pressure.
_____________________________________________________________________________________
since 1981 and over 8000 jobs track records www.joblist.raycontrol.com
SERVICE
raycOntrol pte ltd
REPORT
7 TOH GUAN ROAD EAST #05-07 SINGAPORE
ISO 9001:2008 ACCREDITED
608599Tel:65630544 Fax:65600941
JOB NO : 20110426
sales@raycontrol.com
Company Reg No : 198602637N
Page 2 of 3
DISMANTLE and CHECKING
Complete dismantle and
checked all parts and
components.
3
Checked all external
double check valve,
relief, counterbalance,
Pressure Regulator,
Throttle valve
Satisfactory.
TROUBLESHOOTING:-
Reassemble and carried
out series of test
unsuccessfully.
Dismantle and inspected
all internal v/v block
4
channel. Found internal
shutter movement
incomplete. Repaired.
Reassembled all and
tested function
satisfactory.
_____________________________________________________________________________________
since 1981 and over 8000 jobs track records www.joblist.raycontrol.com
SERVICE
raycOntrol pte ltd
REPORT
7 TOH GUAN ROAD EAST #05-07 SINGAPORE
ISO 9001:2008 ACCREDITED
608599Tel:65630544 Fax:65600941
JOB NO : 20110426
sales@raycontrol.com
Company Reg No : 198602637N
Page 3 of 3
RENEW SEAL, SET ADJUST
AND CONFIGURE VALVE
Valve block type was
8MBA.
Hydraulic circuit dwg
5
received was 6MBA
and from vessel.
However configure valve
for P to T OPEN to tank
as per hydraulic
circuit received.
RECOMMENDATIONS:-
6
Much abrasion was found on the spool. Advise to renew
oil as likely contaminated.
Report by: -Gopkumar (Service engineer.)
_____________________________________________________________________________________
since 1981 and over 8000 jobs track records www.joblist.raycontrol.com
