[cat60y]

Scope of tail shaft survey

Propeller to be withdrawn for inspection

• • 1. Visual inspection
    2. Crack detection test 
    3. Check threads for damage 
    4. Check tapered cone for roughness
    5. Scoring on liner
    6. Check bearing face and white metal
    7. Measurement of tailshaft external diameter to measure wear down.
    8. Stern tube analysis report ( check for water,chloride,metal, oil ageing)
    9. Seals to be check for condition and replace.

Poker gauge readings

1) Remove rope guard

2) Remove check and drain plug

3) Turn shaft to 0 marking on chrome liner flange

4) Screw the wear down gauge at top and bottom and note readings

5) Measure same at every dry dock

6) Propeller must not be remove

7) All unit of main engine to be in place.

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