Section 03 787 RFI ENGINE
Subsection 04 (BOTTOM END)
F00D2CA
FIRST PASS
F00D2DA
SECOND PASS
Finish the cleaning with acetone.
CAUTION:
Be careful not to spray cleaner on
the painted surface of the engine. Do not wipe
with rags. Use a new clean hand towel only.
INSPECTION
Refer to table below to find bottom end dimension
specifications. For measurement procedures, re-
fer to ENGINE MEASUREMENT.
TOLERANCE
NEW PART
WEAR
LIMIT
MEASUREMENT
mm (in)
Crankshaft
deflection MAG
N.A.
0.05 (.020)
Crankshaft
deflection CENTER
N.A.
0.08 (.003)
Crankshaft
deflection PTO
N.A.
0.03 (.001)
Connecting rod big
end axial play
min. 0.230 (.008)
max. 0.617 (.024)
1.2 (.047)
Crankcase
Inspect plane surfaces for warpage. Small defor-
mation can be corrected by grinding surface with
a fine sandpaper. Install sandpaper on a surface
plate and rub part against oiled sand paper.
Bearing
Inspect crankshaft bearings
no. 4
. Check for cor-
rosion, scoring, pitting, chipping or other evidence
of wear. Make sure plastic cage is not melted.
Rotate and make sure they turn smoothly.
ASSEMBLY
Assembly is essentially the reverse of disassem-
bly procedures. However pay particular attention
to the following.
NOTE:
It is recommended to spray injection oil on
all moving parts when reassembling the engine.
Crankshaft End Bearings
Heat up the bearing(s) using the bearing heater
(P/N 529 035 969). This will expand bearings and
ease installation.
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smr2005-083
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