Overhaul of Peiner-SMAG Grab  

One of our principal’s vessel has Smag Grab failure. Problem is grab is closing but opening automatically slowly. According to my investigations there is internal leakage or non-return valves problem. Vessel have spare grab cylinder seals but no have spare non-return valves.
However vessel no have special tools for dismantling cylinder. Special tools and grab.
your lucky if company give you a new complete cylinder..
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