LASER SIGHTING OF STERN TUBE & ON- SITE MACHINING OF BEARING SEAT 

2. The following procedure was followed:

• Line- bore stern tube measurements of shaft line, with laser.
• Set up, alignment and machining of aft stern tube housing.
• Line- bore stern tube measurements of shaft line, after machining.
• Calibration check of machined bearing seat, after machining. 

LASER SIGHTING OF STERN TUBE & IN- SITU MACHINING 

1. The following procedure was followed in both shaft lines:

• Line- bore stern tube measurements of shaft line, with laser.
• Set up, alignment and machining of aft stern tube housing.
• Set up, alignment and machining of fwd stern tube housing.
• Line- bore stern tube measurements of shaft line, after machining.
• Calibration check of machined housings, after machining. 

ALIGNMENT OF M/E CAMSHAFT BEARING POCKETS 

Engine type : KAWASAKI MAN 40/54, Standard Ø 124 mm.

• Alignment of newly installed block part camshaft pockets based on the existing part.
• Check of Cylinder - Crankshaft verticality.

MEGA YACHT STERN TUBE & V -BRACKET ALIGNMENT CHECK

Standard Ø 200 mm

• Laser alignment check before and after line boring.

D/G MAIN BEARING POCKETS LINE BORING

Engine type : YANMAR T240L-SX, Standard Ø 212 mm

• Alignment check before and after line boring.

M/E MAIN BEARING POCKETS LINE BORING

Engine type : KAWASAKI MAN 40/54, Standard Ø 385 mm.

• Alignment check before and after line boring.