Yanmar 6LY3 series Service Manual page 229

Maintenance Standards
12/05
Item
Turbine Rotor Shaft
Bearings
Thrust Bearings
Seal Ring Insertion Parts
Play in Rotor Axial Direction
Play in Rotor Radial Direction
6LY3 Service Manual
Check Item
(A) Turbine shaft journal O.D.
(E) Turbine-Side Seal Ring Groove Width
(G1) Compressor-Side Seal Ring Groove Width
(G2) Compressor-Side Seal Ring Groove Width
Turbine Rotor Shaft Runout
(C) Floating Bearing I.D.
(D) Floating Bearing O.D.
(B) Floating Bearing Base I.D.
(J) Thrust Bearing Width
(K) Thrust Bushing Groove-to-Groove Dimension
(F) Turbine-Side (Bearing Housing)
(H1) Compressor-Side Seal Plate (Large)
(H2) Compressor-Side Seal Plate (Small)
© 2007 Yanmar Marine International
TURBOCHARGER
Limit of Use
12.280 mm (0.4835 in.)
1.630 mm (0.0642 in.)
Shaft on page 9-16
1.750 mm (0.0689 in.)
1.520 mm (0.0598 in.)
0.011 mm (0.0004 in.)
12.360 mm (0.4866 in.)
16.980 mm (0.6685 in.)
17.110 mm (0.6736 in.)
See Thrust Bearing
4.480 mm (0.1764 in.)
and Oil Thrower on
4.680 mm (0.1845 in.)
18.550 mm (0.7303 in.)
See Bearing Housing
16.050 mm (0.6319 in.)
14.050 mm (0.5531 in.)
Rotor Radial Play on
0.110 mm (0.0043 in.)
Rotor Axial Play on
0.215 mm (0.0084 in.)
Remarks
See Turbine Rotor
See Floating
Bearings on
page 9-17
page 9-16
on page 9-18
See Checking the
page 9-11
Maintenance
Standard
0.06 mm-0.09 mm
(0.002-0.003 in.)
See Checking the
page 9-10
Maintenance
Standard
0.11 mm-0.18 mm
(0.004-0.007 in.)
9-7