Metal locking of Engine Block by Experienced Technicians

An engine block of Wartsila 18V32 was reported damaged by South American power plant due to failure of connecting rod. The engine was just out of warranty and the cost of bare engine block quoted was exorbitant with the delivery time 9 months.

RA Power Solutions technicians have successfully undertaken the repair of damaged engine block of Wartsila 18V32 by metal locking and metal stitching process. The block was repaired while it was on the foundation and without disassembly of crankshaft and major components. The damaged portion was measuring 72 inches X 42 inches approx.

Metal locking and metal stitching is executed by experienced engineers having record of repairing engine block and major engine components exceeding more than 1300 numbers in last 40 years.

 A cost effective, quick in response and sincerity are the main advantages of getting repairs done by RA Power Solutions.

For more details regarding Metal Stitching/Metal Locking in Low Price, email us your query on info@rapowersolutions.com

An engine block of Wartsila 18V32 was reported damaged by South American power plant due to failure of connecting rod. The engine was just out of warranty and the cost of bare engine block quoted was exorbitant with the delivery time 9 months. RA Power Solutions technicians have successfully undertaken the repair of damaged engine … Continue reading “Metal locking of Engine Block by Experienced Technicians”

Metal Stitching and Thread Repair Inserts

RA Power Solutions was informed by one of our client regarding damage of cam case cover of MAN diesel engine on board a vessel sailing near China.

The details including photographs were examined and it was observed while the cam case cover was broken in to pieces the threads on the engine body and the dowel pin were also damaged.

Cracked Housing of Engine Block
Cracked Housing of Engine Block
Broken Area
Broken Area
Damaged Upper Threads
Damaged Upper Threads

 

 

 

 

 

RA Power Solutions deputed their team of technicians on board the vessel and they executed the repair of engine block, cam case cover sitting area by following procedure:

I) The broken bolt which remained  inside the thread hole was drilled out.

II) The damaged threads on cam cover sitting area on entablature was removed by drilling new blind holes, suiting the new M12 Helicoil thread inserts.

III) Re-tap holes for the new M12 Helicoil thread inserts was done carefully.

IV) New M12 Helicoil thread inserts were installed in the engine frame/ entablature.

V) The 2 guide pins for the roller guide housing were removed taking due precaution.

VI) New roller guide housing was installed, with correct M12 hexagon bolts  and including the newly introduced 10 mm washers.

VII) After final alignment of the roller guide housing, the bolts were  tightened with the correct tightening torque.

VIII) Finally the two ø8 mm guide pin holes were drilled in both roller guide housing and engine frame and afterwards newguide pins were installed

repair of Threads on Engine Block Under Process
repair of Threads on Engine Block Under Process
Repair of Thread Hole by Metal Stitching
Repair of Thread Hole by Metal Stitching

 

 

 

 

 

 

 

The repair of threads by thread repair inserts (helicoil inserts) proved to be successful as the engine is performing satisfactory and no oil leakage is observed. The shipping company owners were asked to replace the complete engine block by the manufacturers as per them it was not possible to execute this kind of repairs.

Damaged Thread Hole Under Metal Stitching and Metal Locking
Damaged Thread Hole Under Metal Stitching and Metal Locking
Metal Stitching of Bottom Area of Threaded Hole to Give Extra Strength
Metal Stitching of Bottom Area of Threaded Hole to Give Extra Strength

 

 

 

 

 

 

The above job was successfully executed by a team of experienced and dedicated team of RA Power solutions.

Cam Cover Sitting Area of Engine Block After Repair
Cam Cover Sitting Area of Engine Block After Repair

The author is Mr. Raj Shahani Managing Director of RA Power Solutions having experience of almost four decades of working on high capacity diesel engines, turbines and rotary equipments. The company specializes in executing the repairs i.e. metal stitching/metal locking, grinding and repair of crank shafts, rebabbitting of bearings, connecting rod reconditioning, overhauling of Engines which have serious problem  resulting to the immense saving to the owners.

Email Us on rajshahani@rapowersolutions.com, info@rapowersolutions.com

Phone: +91-124-4378292
+91-9213604692

RA Power Solutions was informed by one of our client regarding damage of cam case cover of MAN diesel engine on board a vessel sailing near China. The details including photographs were examined and it was observed while the cam case cover was broken in to pieces the threads on the engine body and the … Continue reading “Metal Stitching and Thread Repair Inserts”