Subsection 10 (BOTTOM END)
Inspecting the Crankcase
Check crankcase halves for cracks or other dam-
age. Replace if damaged.
Check MAG and PTO plain bearings for scoring or
other damages.
tmr2011-014-024_a
1. Plain bearing
Measure plain bearing inside diameter and com-
pare to PTO/MAG main journal diameters of crank-
shaft, refer to
CRANKSHAFT
in this subsection.
Replace if the measurements are out of specifi-
cation.
vmr2006-044-025_a
1. Plain bearing
2. Oil bore
A. Measure plain bearing inside diameter
MAIN BEARING INSIDE DIAMETER (PTO/MAG)
SERVICE LIMIT
42.100 mm (1.6575 in)
Replacing the Plain Bearing (Main)
Removing the Plain Bearing
NOTICE
Always properly support crankcase
halves when removing plain bearings. Dam-
age to crankcase halves may occur if this pro-
cedure is not performed correctly.
NOTE:
Always use a press for removal of plain
bearings.
Carefully press the plain bearings out from the
crankcase half from the inside towards the out-
side.
NOTE:
Place
an
appropriate
support
under
crankcase halves before removing plain bear-
ings.
REQUIRED TOOLS
CRANKCASE SUPPORT MAG/PTO
(P/N 529 036 031)
PLAIN BEARING
REMOVER/INSTALLER
(P/N 529 035 917)
NOTE:
During disassembly, make sure not to
damage the sealing surfaces of the crankcase
halves.
tmr2011-014-025_a
PRESS PLAIN BEARINGS OUTSIDE
1. Crankcase half
2. Plain bearing remover/installer
3. Crankcase support sleeve (P/N 529 036 031)
Installing the Plain Bearing
NOTICE
Unless otherwise instructed, never
use a hammer to install plain bearings. Aways
use a press.
14
vmr2016-421