Cylinder Head - Kohler KDI 2504TM Workshop Manual

8
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)

8.6 Cylinder head

8.6.1 Flatness check
Put the cylinder head on a surface plate and, with a dial gauge,
check the flatness of surface C.
The MAX value of allowable irregularity of surface C is 0.10mm.
If the value is not observed, you are required to grind surface C.
The MAX removal allowed is 0.20 mm.
Important
•
Grinding is to be performed with sleeves A of the
injectors assembled.
EN 108
INFORMATION ABOUT OVERHAULING
CLEARANCE VALUE (mm)
0.110 - 0.150
0.070 - 0.115
0.030 - 0.065
Fig 8.18 and 8.19
Fig 8.20a - Fig 8.20b