Ruggerini RY 70 - Valves, Characteristics; Valves, Guide Insertion; Valves, Guides and Housings

29
17-04-2003
01
15-01-2004
DATE
COMPILER TECO/ATI
REG. CODE
1-5302-467
MODEL N°
50707
DATE OF ISSUE
REVISION
ENDORSED
VIII
30
29
28
DISASSEMBLY/REASSEMBLY
Valves, characteristics
Valves, guides and housings
1 Intake guide
2 Exhaust guide
Dimensions (mm) for RY 70-75-103-110
A = 40
B = 31
C = 11.000-11.018
D = 11.040-11.055
Dimensions (mm) for RY 50
A = 35
B = 30
C = 10.000-10.020
D = 10.040-10.055
Note: Valve guides with outer diameters increased by 0.5 mm are
also available as spares. In this case, housing C must be
increased by 0.5 mm for assembly purposes.
Valves, guide insertion
Heat the block to a temperature of 160°-180°
Force the guides, considering distance A and B in relation to the
block surface.
Dimensions (mm) for RY 70-75-103-110
A = 25.8-26.2
B = 34.8-35.2
Dimensions (mm) for RY 50
A = 23.8-24.2
B = 28.8-29.2
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