Connecting Rod; Connecting Rod, Piston Pin; Connecting Rod Alignement; Crankshaft End Play - Kohler KD225 Workshop Manual

Water-cooled, indirect injection
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8
DISASSEMBLY/REASSEMBLY
51
52
53
54
- 36 -
When remounting the big-end bearings, remember to thorou-
ghly clean the parts and generously lubricate them to prevent
seizure when the engine is started up for the first time

Connecting rod

Demount the connecting rod and proceed with the following inspec-
tions.
The big-end cap and big-end bear the same numbers.
When remounting, mount the cap from the same side as in C of the
figure.
Tighten the KD 225 bolts to a 23 Nm torque value.
Tighten the bolts to a 30 Nm torque value for KD 315-350-400-440.

Connecting rod, piston pin

A
9
9
B
D
B (
D -
)
B (
D -
)
Note: The connecting rod has no insert bearings. See fig. 62 for
connecting rod big end diameter.

Connecting rod alignement

Use a dial gauge as shown in the figure.
Check that axes are aligned using the piston pin; axial misalignment
A = 0.015; limit 0.03 mm.

Crankshaft end play

Secure the engine to a metal base or table. Use a dial indicator with
column and magnetic base plate. Place the stylus on the crankshaft.
Move the driving shaft back and forth on the flywheel side.
End play should be 0.05 - 0.25 mm; it is not adjustable.
KD 225_315_350_400_440 Workshop Manual_cod. ED0053029330_1° ed_ rev. 00
225
315
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This manual is also suitable for:

Kd315Kd350Kd400Kd440

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