30
DATE
22.12.2003
COMPILER TECO/ATI
REG. CODE
1-5302-467
MODEL N°
50707
DATE OF ISSUE
06-95
REVISION 05
ENDORSED
31
32
33 34
VIII
522DL51053-513DL51044-004DL51
A530,6÷020,6040,7÷520,7
B000,6÷589,5000,7÷589,6000,7÷589,6
)B-A(050,0÷020,0550,0÷520,0
etimil)B-A(41,0
522DL51053-513DL51044-004DL51
A
15,23÷05,2310,73÷00,7310,93÷00,93
B
26,23÷06,2321,73÷01,7321,93÷01,93
C
15,82÷05,8210,33÷00,3310,53÷00,53
D
26,82÷06,8221,33÷01,3321,53÷01,53
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-finished, they must not be
machined after having been inserted.
Valve seat lapping
After cutting valve seats, lap valve seats with fine lapping compound.
The sealing surface S should not exceed 2 mm.
Lowering valve for 15 LD 225-315-350 (D = 0.55÷0.85 mm).
Lowering valve for 15 LD 400-440 (D = 0.35÷0.65 mm).
Wear limit 1.5 mm.
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