Kohler KDW 502 User Manual

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KD 702_1003_1404 Workshop Manual_cod. ED0053029340_1° ed_
6
86
85
84
A B C
39,5÷40,0 7,005÷7,020 6,960÷6,990
A B C D E
36,4÷36,6 11,045÷11,054 11,000÷11,018 5,80÷6,20 9,75÷9,85
Valve, specications
Exhaust valve A
Shaft and head are made of 2 different materials.
2 Welded joint
3 Chromium-plated joint
4 Portion made of: ......... X 45 Cr Si 8 UNI 3992
5 Portion made of:
......... X 70 Cr Mn NI N 216 UNI 3992
Intake valve B
Material: X 45 Cr Si 8 UNI 3992
1 = Chromium-plated joint
Valve guides and valve guide housings
Both intake and exhasut valve guides are identical dimensionally
and are made from phosphoric gray iron with a pearlitic matrix:
Dimensions (mm):
Note: Valve guides are supplied in nished form, further
machining is prohibited.
Valve guides with outside diameter B increased by 0.5
mm. are available.
Valve guide insertion
Fit the guides with a punch taking account of value A in relation
to the cylinder head surface.
Dimensions (mm):
Clearance (mm):
(B-C) = 0,015÷0,050 (B- C) limite usura = 0,10
Disassembly / Reassembly
702-1003-1404
a
1
D
30,20 45° 30' ÷ 45‘ 45'
702-1003-1404
a
1
C
34,40 60° 30' ÷ 60‘ 45'

Kohler KDW 502 Specifications

General

Brand	Kohler
Model	KDW 502
Category	Engine
Language	English