DISASSEMBLY AND REASSEMBLY <5M/T>


caution Do not apply the grease filled in the universal joint (journal bearing and journal) to the centre bearing.




Disassembly steps
<<A>>
 >>C<<
 1.
 Snap ring


2.
 Grease nipple
<<B>>
 >>B<<
 3.
 Journal bearing

>>B<<
 4.
 Journal


5.
 Sleeve yoke


6.
 Rear propeller shaft


7.
 Flange yoke
<<C>>
 >>A<<
 8.
 Centre yoke
<<D>>
 >>A<<
 9.
 Centre bearing assembly


10.
 Front propeller shaft

DISASSEMBLY SERVICE POINTS

<<A>> SNAP RING REMOVAL

Make mating marks on the flange yoke and propeller shaft. Then, remove the snap rings.

<<B>> JOURNAL BEARING REMOVAL
caution Do not tap the journal bearings to remove them, as this will upset the balance of the propeller shaft.

1.Use the following special tools to press in the journal bearing on one side, and take out the journal bearing on the opposite side.

  • Universal joint remover and installer (MB990840)
  • Collar (MB991410)
2.Insert the special tools into the other side and press the journal to remove the first journal bearing that was pushed.

<<C>> CENTRE YOKE REMOVAL

Make mating marks on the centre yoke and propeller shaft, and then remove the centre yoke.

<<D>>CENTRE BEARING ASSEMBLY REMOVAL

After removing the rubber mount, use special tool side bearing puller (MB990810) to remove the centre bearing assembly.

REASSEMBLY SERVICE POINTS

>>A<<CENTRE BEARING ASSEMBLY/CENTRE YOKE INSTALLATION

1.Set the centre bearing assembly to the propeller shaft.
2.Install, lining up the mating marks on the centre yoke and the propeller shaft.
3.While tightening the nut, install the centre bearing assembly with the centre yoke.

>>B<< JOURNAL/JOURNAL BEARING INSTALLATION
caution Be careful when pressing the journal bearings. If they are pressed at an angle, the inside of the journal bearings will be damaged.

1.Use special tool universal joint remover and installer (MB990840) to press the journal bearing into the centre yoke, sleeve yoke or flange yoke until the snap ring groove is fully visible.

2.Use the following special tools to press the opposite side journal bearing into the yoke.

  • Universal joint remover and installer (MB990840)
  • Collar (MB991410)

3.Align the mating marks on the yoke and propeller shaft, and install the propeller shaft journal bearings.

>>C<< SNAP RING INSTALLATION

1.Install a snap ring to one side of the journal.

2.Use the following special tools at the opposite side of the installed snap ring to press in the journal bearing toward the snap ring.

  • Universal joint remover and installer (MB990840)
  • Collar (MB991410)
caution Always use snap rings of equal thickness on both sides.

3.Install the snap ring on the opposite side, and measure the clearance of the snap ring groove with a thickness gauge.
Standard value (A): 0.06 mm or less
4.If the clearance exceeds the standard value, adjust by changing the thickness of the snap ring.
Thickness type 1 (mm)
 Thickness type 2 (mm)
 Identification colour
1.28
 1.50
 -
1.31
 1.55
 Yellow
1.34
 1.60
 Blue
1.37
 1.65
 Purple
1.40
 -
 Brown
-
 1.70
 Black
-
 1.75
 Grey
-
 1.80
 Brown
-
 1.85
 Blue
-
 1.90
 -