Northern Lights OL1276, Руководство оператора

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OL1276 03/10
24
L1276A & L1276A2 Marine Diesel Engines
Rating High Output Medium Duty Continuous Duty
RPM 2100 1900 1800
Engine
Cylinders 6 6 6
Displacement 766 cu in (12.5
l
) 766 cu in (12.5
l
) 766 cu in (12.5
l
)
Operating Cycle 4 4 4
Bore 5.0 in (127 mm) 5.0 in (127 mm) 5.0 in (127 mm)
Stroke 6.5 in (165 mm) 6.5 in (165 mm) 6.5 in (165 mm)
Crankshaft HP 1 525 425 340
Crankshaft kW 3 389 315 252
Voltage (24 V optional) 12 V Standard 12 V Standard 12 V Standard
Fuel Consumption
@ 1400 RPM 6.6 gph (24.9 lph) 7.3 gph (27.6 lph) 4.9 gph (18.5 lph)
@ 1600 RPM 9.6 gph (36.2 lph) 10.6 gph (40.0 lph) 7.4 gph (27.8 lph)
@ 1800 RPM 13.3 gph (50.2 lph) 14.8 gph (55.8 lph) 10.7 gph (40.5 lph)
@ 2100 RPM 21.2 gph (80.4 lph) 17.3 gph (65.4 lph) 14.9 gph (56.4 lph)
Cooling
Fresh Water Circulating Pump 85 gpm (277 lpm) 77 gpm (244 lpm) 73 gpm (232 lpm)
Heat Rejection to Jacket Water 17,122 BTU/min 13,550 BTU/min 11,940 BTU/min
Cooling (Heat Exchanger)
Raw Water Intake 3 in (75 mm) 3 in (75 mm) 3 in (75 mm)
Raw Water Discharge Diameter 3 in (75 mm) 3 in (75 mm) 3 in (75 mm)
Raw Water Pump Flow 99.0 gpm (374 lpm) 95.0 gpm (359 lpm) 92.0 gpm (348 lpm)
Raw Water Max. Suction Head 39 in (1 m) 39 in (1 m) 39 in (1 m)
Max. Raw Water Temp. at Inlet 86 0 F (30 0 C) 86 0 F (30 0 C) 86 0 F (30 0 C)
Cooling (Keel Cooled)
Water Hose Inside Diameter 3 in (75 mm) 3 in (75 mm) 3 in (75 mm)
Keel Cooler Head Diameter 2" NPT(3" hose barb) 2" NPT(3" hose barb) 2" NPT(3" hose barb)
Skin Cooler, Aluminum 68 ft 2 (6.4 m 2 ) 57 ft 2 (5.4 m 2 ) 49 ft 2 (4.6 m 2 )
Skin Cooler, Steel 225 ft 2 (21.3 m 2 ) 187 ft 2 (17.7 m 2 ) 162 ft 2 (15.3 m 2 )
Air
Engine Air Consumption 1025 f 3 /min (29.0 m 3 /min) 800 f 3 /min (23.0 m 3 /min) 725 f 3 /min (20.4 m 3 /min)
Exhaust Gas Flow 2525 f 3 /min (71.4 m 3 /min) 2000 f 3 /min (56.6 m 3 /min) 1775 f 3 /min (50.5 m 3 /min)
Max. Exhaust Gas Temperature 826 0 F (461 0 C) 869 0 F (465 0 C) 878 0 F (470 0 C)
Max. Exhaust Back Pressure 30 in (760 mm) H
2
0 30 in (760 mm) H
2
0 30 in (760 mm)
H
2
0
Fuel & Oil
Min. Fuel Suction Line 0.5 in (12 mm) 0.5 in (12 mm) 0.5 in (12 mm)
Min. Fuel Return Line 0.375 in (10 mm ) 0.375 in (10 mm) 0.375 (10 mm)
Max. Fuel Pump Head 39 in (1 m) 39 in (1 m) 39 in (1 m)
Crankcase Oil Capacity 44 qts (42 ltr) 44 qts (42 ltr) 44 qts (42 ltr)
Gear, PTO, & Engine Angle
Engine Rotation (facing fl ywheel) Counter-Clockwise Counter-Clockwise Counter-Clockwise
Std. Flywheel Hsg. Size (Opt. Size) SAE 1, 14" (SAE 0, 18") SAE 1, 14" (SAE 0, 18") SAE 1, 14" (SAE 0, 18")
Std. Front PTO Size (Opt. Size) SAE 4, 10" (SAE 3, 11.5") SAE 4, 10" (SAE 3, 11.5") SAE 4, 10" (SAE 3, 11.5")
Max. Installed Operating Angle 12 0 front up only 12 0 front up only 12 0 front up only
Dimensional Data 2
Length 69.94 in (1776 mm) 69.94 in (1776 mm) 69.94 in (1776 mm)
Width 36.48 in (927 mm) 36.48 in (927 mm) 36.48 in (927 mm)
Height 46.02 in (1169 mm) 46.02 in (1169 mm) 46.02 in (1169 mm)
Keeled Cooled Weight w/o gear 3138 lbs (1424 kg) 3138 lbs (1424 kg) 3138 lbs (1424 kg)
Heat Exchanged Weight w/o gear 3255 lbs (1477 kg) 3255 lbs (1477 kg) 3255 lbs (1477 kg)
1. Based on SAE J816b.
2. Speci
fi cation subject to change without notice. Contact Alaska Diesel Electric for updates.
3. Based on EN ISO 8665: 2006
Speci fi cations
Updated 5-27-09 & 6-10-09