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Nippon Pusnes Mooring Winch Repairs
 

The tanker vessel is equipped with Nippon Pusnes Windlasses. The forward port Mooring Winch type NP-31164 developed a problem, the drum bearing bushes had worn out and had to be replaced. Alatas supplied new custom made bushes, a portable A-frame crane and rigging & lifting gear. We dispatched our team of experienced deck machinery mechanics as riding crew to carry out in-situ repairs on the mooring winch shaft whilst the vessel was anchored at Singapore Outer Port Limit.


vessel
Port side mooring winch

Vessel

Port side mooring winch

Port side mooring winch
Removing warping drum

Port side mooring winch

Removing warping drum

Disengaged clutch coupling
Removed frame bracket

Disengaged clutch coupling

Removed frame bracket

Removed mooring winch
Port side bush of winch damage completely

Removed mooring winch

Port side bush of winch damage completely

Housing worn out and oval
Unable to install as it loosen in the housing

Housing worn out and oval

Unable to install as it loosen in the housing

New bushes are fabricated by Alatas in urgent
New bushes installed at winch (tight fit)

New bushes are fabricated by Alatas in urgent

New bushes installed at winch (tight fit)

Tested all grease holes for new bushes
Re-installed the winch.

Tested all grease holes for new bushes

Re-installed the winch.

Installation in progress
Testing the winch with Superintendents and Captain

Installation in progress

Testing the winch with Superintendents and Captain

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