Valve Guides And Valve Guide Housings; Valve Guide Insertion; Dimensions And Clearance Between Guides And Valves - Kohler KD 625/2 Workshop Manual
Air-cooled, direct injection
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Also See for KD 625/2:
- Use & maintenance (160 pages) ,
- Owner's manual (136 pages) ,
- Specifications (4 pages)
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KD 625-2 Workshop Manual_cod. ED0053029380_1° ed_ rev. 00
Disassembly / Reassembly
Valve guides and valve guide housings
Starting from engine No. 2883619 intake and exhaust valve guides are
both made of phosphoric cast iron.
Components:
1 = Exhaust valve guide
2 = Intake valve guide
Ref.
A
B
C
D
Valve
guides with outside diameter increased by 0.5 mm. are also
available;in such cases valve guide bore C shouid also be increased
by 0.5 mm.
Valve guide insertion
Heat cylinder head up to 160÷180°C
Press guides considering the A and B distances from the head plane.
Ref.
A
B
Dimensions and clearance between guides and valves
Dimensions
Ref.
(mm)
A
8
0 ,
2
5
÷
8
0 ,
4
* 0
B
7
9 ,
8
5
÷
8
0 ,
0
0
* with driven guide.
Dimensions (mm)
4
2
0 .
4
8
1
4
0 .
0
0
÷
1
4
0 .
1
8
1
4
0 .
4
5
÷
1
4
0 .
5
6
Dimensions (mm)
3
0
8 ,
0
÷
3
1
2 ,
0
2
4
8 ,
0
÷
2
5
2 ,
0
Clearance
Limit value
(mm)
(mm)
0
0 ,
2
5
÷
0
0 ,
5
5
0
1 ,
5
4
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