Kohler KDI 1903M Workshop Manual page 95

INFORMATION ABOUT OVERHAULING
Fig 8.1
8.2.2 Cylinder check
Position crankcase G onto a workbench.
With a dial gauge, measure the diameter in correspondence to points J-M-N (Fig. 8.2) lengthwise and
diagonally with regard to axis H of the crankshaft.
If ovalisation or wear detected in a single point in J-M-N is greater than +0.05 mm with regard to the
value in Tab. 8.1a, you are required to perform grinding operations on all cylinders F.
Refer to Tab. 8.1a to establish the clearance value of cylinders subjected to grinding operations.
Important
•
The grinding involved is of +0.20, +0.50 e + 1 mm.
•
Cylinder grinding operations must observe KOHLER SPECIFICATIONS - cod. ED0035612500.
•
Grinding must be strictly performed on all cylinders F.
Tab. 8.1a details the dimensional values of new components only.
• (1)
The increase of +0.20mm, may already be present on the engine.
• The increase of +0.20mm may already be present, no further adjustments can be made.
Tab 8.1a Grinding values
Ø CILINDER (± 0.007 mm)
PISTON
STD 88.010
(1) 88.210
+0.20
Ø PISTON (± 0.007 mm)
87.950
88.150
CLEARANCE VALUE (mm)
0.046 - 0.074
8
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