Valves, Characteristics; Valves, Guides And Housings; Valves, Guide Insertion - Kohler KD225 Workshop Manual

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KD 225_315_350_400_440 Workshop Manual_cod. ED0053029330_1° ed_ rev. 00
DISASSEMBLY/REASSEMBLY

Valves, characteristics

Intake valve A
225
Base Material
1
D 3 1 4 , ÷ 3 1 6 ,
L 8 1 8 ,
a a a a a
Exhaust valve B - Stem and head are of two different materials
2
3
Base Material
4
Base Material
5
a a a a a

Valves, guides and housings

1 Intake guide
2 Exhaust guide
Dimensions (mm) for KD 315-350-400-440
A = 40
B = 31
C = 11.000-11.018
D = 11.040-11.055
Dimensions (mm) for KD 225
A = 35
B = 30
C = 10.000-10.020
D = 10.040-10.055
Note: Valve guides with outer diameters increased by 0.5 mm are
also available as spares. In this case, housing C must be in-
creased by 0.5 mm for assembly purposes.

Valves, guide insertion

Heat the block to a temperature of 160°-180°
Force the guides, considering distance A and B in relation to the block
surface.
Dimensions (mm) for KD 315-350-400-440
A = 25.8-26.2
B = 34.8-35.2
Dimensions (mm) for KD 225
A = 23.8-24.2
B = 28.8-29.2
315 - 350 400 - 440
X 4 5 C r S i 8 u n i 3 9 9 2
Chrome Plated
3 5 8 , ÷ 3 6 0 , 3
9 1 9
4 5 ° 3 5 ' ÷ 4 5 6 5 '
225 - 315 - 350 - 400 - 440
Weld Joint
Chrome Plated
- > - X 4 5 C r S i 8 U N I 3 9
- > - X 7 0 C r M n N i N 2 1 6 .
4 5 ° 3 5 ' ÷ 4 5 6 5 '
8
7 6 , ÷ 3 7 8 ,
2 0 , ÷ 9 2 4 ,
9 2
U N I 3 9 9 2
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