Kohler KD400 - Dimensions And Clearance Between Guides And Valve Stems (MM); Valve Seat Lapping; Valves Seats And Valve Seat Bores

31
32
33 34
8
A
530,6÷020,6 040,7÷520,7
B
000,6÷589,5 000,7÷589,6 000,7÷589,6
)B-A(
050,0÷020,0 550,0÷520,0
)B-A(
41,0
400-440225 315-350
Clearance
Limit
- 30 -
A
15,23÷05,23 10,73÷00,73 10,93÷00,93
B
26,23÷06,23 21,73÷01,73 21,93÷01,93
C
15,82÷05,82 10,33÷00,33 10,53÷00,53
D
26,82÷06,82 21,33÷01,33 21,53÷01,53
225
315-350
400-440
DISASSEMBLY/REASSEMBLY
Dimensions and clearance between guides and valve stems (mm)
Valves seats and valve seat bores
Dimensions (mm)
Note : Since the seats are supplied pre-nished, they must not be
machinedafterhavingbeeninserted.
KD 225_315_350_400_440 Workshop Manual_cod. ED0053029330_1° ed_ rev.00
Valve seat lapping
Aftercuttingvalveseats,lapvalveseatswithnelappingcompound.
Thesealingsurface Sshouldnotexceed2mm.
LoweringvalveforKD225-315-350(D=0.55÷0.85mm).
LoweringvalveforKD400-440(D=0.35÷0.65mm).
Wearlimit1.5mm.