Ruggerini RY 70 - Timing Angles for Inspection (0.65-0.70 Valve Play); Timing Angles for Operation (0.15 Valve Play)

44
17-04-2003
01
15-01-2004
DATE
COMPILER TECO/ATI
REG. CODE
1-5302-584
MODEL N°
50871
DATE OF ISSUE
REVISION
ENDORSED
VIII
77
78
DISASSEMBLY/REASSEMBLY
Timing angles for operation (0.15 valve play).
For RY 50
αα
αα
α = 6° before A corresponding to 12 mm
ββ
ββ
β = 22° after B corresponding to 44 mm
γγ
γγ
γ = 58° before B corresponding to 116 mm
δδ
δδ
δ = 10° after A corresponding to 20 mm.
Values measured on the circumference of the flywheel D = 230 (one
degree corresponds to 2 mm).
For RY 70-75
αα
αα
α = 10° before A corresponding to 20.09 mm
ββ
ββ
β = 42° after B corresponding to 87.78 mm
γγ
γγ
γ = 58° before B corresponding to 121.22 mm
δδ
δδ
δ = 10° after A corresponding to 20.9 mm.
Values measured on the circumference of the flywheel D = 240 (one
degree corresponds to 2.09 mm).
Timing angles for inspection (0.65-0.70 valve play).
For RY 50
αα
αα
α = 7° after A corresponding to 14 mm
ββ
ββ
β = 9° after B corresponding to 18 mm
γγ
γγ
γ = 45° before B corresponding to 90 mm
δδ
δδ
δ = 3° before A corresponding to 6 mm.
Values measured on the circumference of the flywheel D = 230 (one
degree corresponds to 2 mm).
For RY 70-75
αα
αα
α = 1° after A corresponding to 2.09 mm
ββ
ββ
β = 31° after B corresponding to 64.79 mm
γγ
γγ
γ = 45° before B corresponding to 94.05 mm
δδ
δδ
δ = 3° before A corresponding to 6.27 mm.
Values measured on the circumference of the flywheel D = 240 (one
degree corresponds to 2.09 mm).