Model M115T Model M92
Minimum cross section of
air duct (per engine). 174 cm
2
(27 sq ins) 139 cm
2
(21.5 sq ins)
temperate climates temperate climates
348 cm
2
(54 sq ins) 277 cm
2
(42.9 sq ins)
for hot climates for hot climates
Exhaust
Exhaust gas ow 16.4 m
3
/min (579 ft
3
/min). 15.1 m
3
/min (533 ft
3
/min).
Maximum restriction
measured within(305 mm)
12” of turbocharger outlet. 10.2 kPa (3.0” Hg, 76 mm)
Recommended pipe bore
(wet exhaust). 88.9 mm (3.5”) 76 mm (3”)
Minimum rise from sea
water level to exhaust
outlet centreline. 203 mm (8.0”)
Lubricating System
Recommended lubricating
oil. AP1 CG4, ACEA E3
Sump capacity maximum 7 litres (12.3 pints)
Maximum installation
angle plus planing
angle for continuous
operation. 20
o
nose up
Oil pressure, in operating
speed range (steady state). 3.0 to 3.7 bar (43.5 to 54 Ibf/in
2
)
Low oil pressure
switch setting. 0.8 bar (12 Ibf/in
2
)
Electrical System
Alternator (insulated) Prestolite A127 40A (24V) or 70A (12V).
Starter type (earth return) Prestolite M127 - 12 volt only
Starter type (insulated) Prestolite S115 - 12 volt and 24 volt
Number of teeth in ywheel 126
Number of teeth on starter 10
Cold Start Limits
Minimum cold start
temperature (without aid). -10
o
C
Batteries for minimum 12 volt system - 1 off 12 volt 520 amp to BS3911
cold start 24 volt system - 2 off 12 volt 440 amp to BS3911
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