Piston Protrusion Check - Kohler KD225 Workshop Manual
Water-cooled, indirect injection
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Also See for KD225:
- Owner's manual (140 pages) ,
- Owner's manual (160 pages) ,
- Use & maintenance (160 pages)
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48
49
Piston
protusion
Thickness
0
3 ,
5
1
÷
0
4 ,
5
0
0
4 ,
5
0
÷
0
5 ,
5
0
0
5 ,
5
0
÷
0
6 ,
5
0
0
6 ,
5
0
÷
0
7 ,
5
0
For KD 315 with injection pump P.no 6590.259
Piston
protusion
Thickness
0
3 ,
6
5
÷
0
4 ,
5
0
0
4 ,
5
0
÷
0
5 ,
5
0
0
5 ,
5
0
÷
0
6 ,
5
0
0
6 ,
5
0
÷
0
7 ,
5
0
For KD 315 with injection pump P.no 6590.281
Piston
protusion
Thickness
0
3 ,
6
5
÷
0
4 ,
0
0
0
4 ,
0
0
÷
0
5 ,
0
0
0
5 ,
0
0
÷
0
6 ,
0
0
0
6 ,
0
0
÷
0
7 ,
0
0
KD 225_315_350_400_440 Workshop Manual_cod. ED0053029330_1° ed_ rev. 00
50
Head gasket (mm)
For KD 225
Gasket
Number
of notches
0
0
9 ,
1 notch
1
2 notches
1
1 ,
1
2 ,
3 notches
Gasket
Number
of notches
0
0
9 ,
1 notch
1
2 notches
1
1 ,
3 notches
1
2 ,
Gasket
Number
of notches
0
0
9 ,
1 notch
1
2 notches
1
1 ,
3 notches
1
2 ,
DISASSEMBLY/REASSEMBLY
Piston protrusion check
To calculate the right thickness for the gasket, the protrusion between
the piston and the cylinder head surface must be measured.
Use a dial indicator with base plate. Reset to zero while resting on a
surface plate, then position against the cylinder head base plane as
shown in the diagram, so that the dial indicator rod rests against the
piston. Now take the reading.
Repeat the operation in the other three points (going crosswise) and
take the readings.
Calculate the average of these four readings to get the precise
measurement of the protrusion between the piston and the cylinder
head base plane.
Choose the appropriate gasket according to the following table.
Only remove the head gasket from its protective wrapping just
before assembly.
See page 26 when tightening the cylinder head
Having chosen the required thickness, mount the gasket as shown in
the figure (see letter A).
Find the number of notches in zone B to find the thickness of the ga-
sket when the cylinder head is mounted.
The gasket thickness given in the table is the one obtained with the
gasket mounted and the head torqued.
Piston
protusion
0
3 ,
6
5
÷
0
5 ,
0
0
0
5 ,
0
0
÷
0
6 ,
0
0
0
6 ,
0
0
÷
0
7 ,
0
0
Piston
protusion
0
4 ,
1
0
÷
0
5 ,
0
0
0
5 ,
1
0
÷
0
6 ,
0
0
0
6 ,
1
0
÷
0
7 ,
0
0
Piston
protusion
0
4 ,
1
0
÷
0
5 ,
0
0
0
5 ,
1
0
÷
0
6 ,
0
0
0
6 ,
1
0
÷
0
7 ,
0
0
For KD 350
Gasket
Number
Thickness
of notches
1
0
1
1 ,
1 notch
1
2 ,
2 notches
For KD 400
Gasket
Number
Thickness
of notches
1
0
1
1 ,
1 notch
1
2 ,
2 notches
For KD 440
Gasket
Number
Thickness
of notches
1
0
1
1 ,
1 notch
1
2 ,
2 notches
8
- 35 -
- Quick Links:
- Characteristics Kd 400_440
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