FUEL SYSTEM
Specifications
12/05
6LY3 Service Manual
6-5
© 2007 Yanmar Marine International
SPECIFICATIONS
General
Rotation Direction Clockwise Viewed From Drive Side
Injection Order 1-4-2-6-3-5-1
Interval 60° ± 0.5
Drive System Gear
Lubrication System Forced lubrication
Fuel Cut Method Cutting by stop solenoid
Fuel
Injection
Pump
Cam Profile For Plunger AL12V220
Plunger Diameter / Lead Degree Ø11.0 mm (0.433 in.) / 55.35°
Lift to Port Close (No. 1 Plunger) 2.5 mm (0.098 in.) ± 0.05
Delivery Valve Retraction Volume 0 mm
3
/ st (CPV) (0 cu in.)
Adaptive Cutting 0 mm (0 in.)
Delivery Valve Opening Pressure 1.1 MPa (11.2 kgf / cm
2
) (159.441 psi)
Delivery Valve Spring Constant 24.8 N / mm (2.525 kgf / mm) (5.5 lb-ft)
Damping Valve —
Allowable Maximum Pump Speed 1850 rpm
Overflow Pressure 0.2 MPa (2.0 kgf / cm
2
) (29.007 psi)
Allowable Fuel Pressure 100 MPa (1020 kgf / cm
2
) (14503 psi)
Governor Governor Type Electronic control (PGS)
Feed Pump
Cam Profile Type AL50DFP39
Fuel Delivery 7.6 cm
3
/ revolution (0.463 cu. in.)
Delivery Pressure 0.23-0.37 MPa (2.3-3.8 kgf / cm
2
) (33.3-53.6 psi)
Suction Head 1.0 m (39.369 in)
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