M/T Mainshaft Assembly Clearance Inspection

  1. Measure the clearance between 4th gear (A) and the distance collar (B) with a dial indicator (C).
    • If the clearance is more than the service limit, go to Step 5 .
    • If the clearance is within the service limit, go to Step 7 .
    Standard:
    0.06−0.16 mm (0.002−0.006 in.)
    Service Limit:
    0.25 mm (0.010 in.)