Installation and operating manual GC-Unit 1. General information This manual gives instructions on installation of the Hydraulic Control Station together with maintenance recommendations and shall be read carefully before installation is started. It is in the responsibility of the installer to ensure that the work is carried out in a satisfactorily manner, approved materials are used and that the installation meets applicable rules and regulations.
Installation and operating manual GC-Unit 3. Safety instruction • Be aware of the fact that the stem with related components (hand wheel) on the QCV will fall down very rapidly by spring force at closing of the valve. • Avoid injury by always secure the release system when work is carried out on the valve.
Installation and operating manual GC-Unit 6.1 Header tank When a system has a quick closing valve or more placed above the GC unit there is a need of a header tank to avoid empting the system of oil. The oil level glass (4) is replaced with an angel fitting for connection with the higher located tank.
Installation and operating manual GC-Unit 7. Storing and Transport • The GC-unit shall be stored indoors well protected from dust and moisture. • Long time storing must be done in warm warehouses to avoid corrosion on unprotected surfaces. • Plastic protection covers fitted to pipe connection threads (6) are not to be removed until pipe assembly.
Installation and operating manual GC-Unit 9.2 Cabinet installation, for cabinet mounted GC-units only The cabinet is fixed to the bulkhead or wall by screws in the holes in the back of the cabinet. Cabinet Back and right view New version Old version Cabinet size Cabinet size...
Installation and operating manual GC-Unit 10. Putting into operation • Put the lever (2) of the GC25B unit upright position until they are fixed by the clamp. • Fill the reservoir (5) with oil until the oil level is on top of the indicating glass (4). •...
When operating with Meson Quick closing valves the lever should be subjected to a pulling force of 375N at a distance of 35mm from the edge of the lever to ensure actuation of the Meson release unit. When pulling the lever the operator will feel the piston moving and stopping when the valve is actuated which can occur at lower forces than 360N.
Installation and operating manual GC-Unit Attention! When testing the system, be sure that the closing of valves will not cause any disturbance for the function of the ship. 14. Troubleshooting scheme Article no: 74504 Revision: 9 11 (12)
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