Kohler KDI 2504TM

INFORMATION ABOUT OVERHAULING
8
109
EN
8.6.2 Valve seats check
Thoroughly clean the valves and their seats with.
Measure indentation
B
of each valve with regard to the cylinder
head surface
C
, which is to be a
MIN
of 0.60 mm and
MAX
of
0.85 mm.
The
B MAX
indentation allowed on worn components is 1.10
mm.
If the measured value does not correspond with the values
indicated, replace the worn component.
Important
•
The seats must be worked after driving to reach value B,
go to a rectification workshop for such operations.
8.6.3 Valve springs
Using a dynamometer, subject the spring to two different forces
(in Tab. 8.9) and check that the length of the spring corresponds
to the values indicated in the table.
(
*1)
The code
ED0057551850-S
is installed from
S/N 4418801760
Tab 8.9
WEIGHT (kg)
LENGHT (mm)
ED0057552810-S
ED0057551850-S
(*1)
0
0
Z
48.34
13.5
20.4
Z1
30.00
19.5
29.8
Z2
22.00
Fig 8.21
F
ig 8.22