Installation Manual

Data N38143
Page 72
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 .............................1.53 m (5 ft) to bottom of tank suction pipe.
Maximum fuel lift pump depression at inlet. ..............120 mm (4.72”) Hg
Fuel consumption at full power. ..... 6.7 l/hr (1.8 US galls/hr) .........7.4 l/hr (2.0 US galls/hr)
Air Intake
Combustion airow .........................1.8 m3/min (65 ft3/min)........... 2.2 m3/min (77 ft3/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)
Minimum cross section
of air duct (per engine) .................................135 cm
2
(21 sq ins) for hot climates.
.............................................................71 cm
2
(11 sq ins) for temperate climates.
Exhaust
Exhaust gas ow ...........................5.0 m3/min (175 ft3/min)........ 5.75 m3/min (203 ft3/min)
Maximum restriction measured
within (305 mm) 12” outlet ......................................... 10.2 kPa (3.0” Hg)
Recommended pipe bore (wet exhaust)....................... 63.5 mm (2.5”)
Recommended pipe bore (dry). ..................................... 40 mm (1.6”)
Minimum rise from sea water level
to exhaust outlet centreline........................................... 203 mm (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 390 kPa (45 to 57 psi)
Low oil pressure switch setting. .................................... 83kPa (12 psi)
Electrical System
Generator .........................................................................70A (12V)
Starter type .........................................................Magneti Marelli 12V 2.5 kW
Number of teeth in ywheel ...................................................126
Number of teeth on starter......................................................10
Cold Start Limits
Minimum cold start temperature (with aid). ..................... -15
O
C(5
O
F)
Batteries for min cold start ........................1 x 12 volt 540 Amp SAE (340 Amp IEC)