Kohler KDI 1903 TCR

173
EN
8.3 Tappets and tappet housings
8.3.1 Tappets check
Use a surface plate and a dial gauge as shown in
Fig. 8.7
.
Check the perpendicularity of the plate
C
, making the tappet
D
rotate in the direction of the arrow.
The
MAX
value of wear allowed is
0.02 mm
.
With a gauge, check the length of value
A and B (Tab. 8.4)
. The
MAX
value of wear allowed is
0.08 mm
.
Fig 8.7
8.3.2 Tappet housing check
Use an internal dial gauge to measure the diameter of the tappet
housings
X
.
Use value of
A
detected
(Par. 8.3.1)
to calculate the clearance
value (
Tab. 8.4
).
If the clearance values are not observed, replace the worn
component.
Important

Tab. 8.4 T appets and t appet housing size.
REF.
DIMENSIONS (mm)
CLEARANCE VALUE (mm)
A
11.966 - 11.984
0.060 - 0.105
X
12.000 - 12.018
B
46.5 ± 0.2
---
Fig 8.8