Installation Manual
Data N38143
Page 74
Pipe size:
• Supply - Outside diameter ......................................... 7.9 mm (0.315”)
• Supply - Bore ...........................................................6.53 mm (0.257”)
• Return - Outside diameter .......................................... 6.3 mm (0.25”)
• Return - Bore ............................................................ 4.93 mm (0.194”)
Maximum lift pump lift .............................. 1.8m (6 ft) to bottom of tank suction pipe.
Maximum fuel lift pump depression at inlet. ................ 127 mm (5”) Hg
Fuel consumption at full power. ..... 9.4 l/hr (2.5 US galls/hr) ........13.6 l/hr (3.6 US galls/hr)
Air Intake
Combustion airow .........................2.64m
3
/min (93 ft
3
/min) ...........3.19m
3
/min (112 ft
3
/min)
Maximum engine compartment air temperature. ........... 60
O
C (140
O
F)
Maximum air temperature at engine inlet. ..................... 52
O
C (126
O
F)
Ventilation - maximum engine
room depression. ....................................................125mm H
2
O (5 in H
2
O)
Suggested ventilation airow
including combustion air. .........................................18.6m
3
/min (657ft
3
/in)
Minimum cross section
of air duct (per engine) .................................200 cm
2
(31 sq ins) for hot climates.
............................................................103 cm
2
(16 sq ins) for temperate climates.
Exhaust
Exhaust gas ow .......................... 7.54 m
3
/min (266 ft
3
/min) ........ 9.09 m
3
/min (321 ft
3
/min)
Maximum restriction measured
within (305 mm) 12” outlet ...........................................6 kPa (1.76” Hg)
Recommended pipe bore (wet exhaust)....................... 76.2mm (3.0”)
Recommended pipe bore (dry). ..................................... 60mm (2.36”)
Minimum rise from sea water level
to exhaust outlet centreline............................................203mm (8.0”)
Lubricating System
Recommended lubricating oil. ................................AP1 CD/SE CCMC D4
Sump capacity maximum ..................................... 15 litres (4 US galls/min)
Normal operating angles .............................. 25
O
from horizontal in any direction
Oil pressure, in operating
speed range (steady state). ................................310 to 390kPa (45 to 57psi)
Low oil pressure switch setting. .................................... 83kPa (12 psi)
Electrical System
Generator ................................................ Prestolite AS128 90A (24V) or 55A (12V)
Starter type ...................................................................Prestolite S115
Number of teeth in ywheel ...................................................126
Number of teeth on starter......................................................10
Cold Start Limits
Minimum cold start temperature (with aid). .......................-15C(5F)
Batteries for min cold start a qty of 2 12V 315 Amps to BS3911 or 2 off - 12V, 535 amps to SAE J537