Kohler KDI 1903M Workshop Manual page 104

8
+0.5 for a piston with an increased diameter of 0.50 mm;
+1 for a piston with an increased diameter of 1.00 mm;
If clearance between cylinder and piston is greater than
0,074 mm, the piston and seal rings must be replaced.
Important
•
Tab. 8.1b details the dimensional values of new
components only.
Tab. 8.1b
CYLINDERS
PISTON
(± 0.007 mm)
STD
+0.10
+0.50
+1.00
Important
•
With a feeler gauge, measure the clearance of the
seal ring in the respective seat (value L1, L2 e L3).
•
If the clearance does not comply with the values
shown in the Tab. 8.8, replace the seal rings and
the piston.
Tab 8.8
SEAL RINGS
U1 (L1)
U2 (L2)
U3 (L3)
EN 104
INFORMATION ABOUT OVERHAULING
Ø
Ø PISTON
(± 0.007
mm)
88.010 87.950
88.110 88.050
88.510 88.450
89.010 88.950
CLEARANCE VALUE (mm)
0.110 - 0.150
0.070 - 0.115
0.030 - 0.065
Fig 8.17
CLEARANCE
VALUE
(mm)
0.046 + 0.074
Fig 8.18 and 8.19