DISASSEMBLY AND ASSEMBLY


caution The CFRP rear propeller shaft cannot be separated.

FRONT PROPELLER SHAFT

Disassembly steps


1.
 Grease nipple
<<A>>
 >>B<<
 2.
 Snap ring
<<B>>
 >>A<<
 3.
 Journal bearing


4.
 Journal


5.
 Flange yoke


6.
 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 special tool universal joint remover and installer (MB990840) to press in the journal bearing on one side, and take out the journal bearing on the opposite side.
2.Insert the special tool into the other side and press the journal to remove the first journal bearing that was pushed.

REASSEMBLY SERVICE POINTS

>>A<< 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 yoke until the snap ring groove is fully visible.

2.Use the special tool to press the opposite side journal bearing into the yoke.
3.Align the mating marks on the yoke and propeller shaft, and install the propeller shaft journal bearings.

>>B<< SNAP RING INSTALLATION
1.Install a snap ring to one side of the journal.

2.Use special tool universal joint remover and installer (MB990840) at the opposite side of the installed snap ring to press in the journal bearing toward the snap ring.

3.
caution Always use snap rings of equal thickness on both sides.
Install the snap ring on the opposite side, and measure the clearance of the snap ring groove with a feeler 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 mm
 Identification colour
1.28
 -
1.31
 Yellow
1.34
 Blue
1.37
 Purple