Northern Lights Lugger M673D, Operator'S Manual

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OM673 09/09
27
Northern Lights Marine Data
Model:
M673D M673M M673L
RPM 1800 1500 1800 1500 1800 1500
kW Rating
5.0 4.5 6.0 4.8 6.0 5.0
Frequency (Hz) 60 50 60 50 60 50
GENERAL INFORMATION
Cylinders
3 3 3 3 3 3
Displacement 41.1 in
3
41.1 in
3
41.1 in
3
41.1 in
3
46.4 in
3
46.4 in
3
(0.676 ltr) (0.676 ltr) (0.676 ltr) (0.676 ltr) (0.761 ltr) (0.761 ltr)
Cycle 4 4 4 4 4 4
Bore
2.64 in 2.64 in 2.64 in 2.64 in 2.64 in 2.64 in
(67 mm) (67 mm) (67 mm) (67 mm) (67 mm) (67 mm)
Stroke
2.52 in 2.52 in 2.52 in 2.52 in 2.83 in 2.83 in
(64 mm) (64 mm) (64 mm) (64 mm) (72 mm) (72 mm)
Rotation (facing fl ywheel)
CCW CCW CCW CCW CCW CCW
Compression Ratio 24:1 24:1 24:1 24:1 24:1 24:1
Crankcase Capacity w/ Oil Filter
3.0 qts 3.0 qts 3.0 qts 3.0 qts 3.4 qts 3.4 qts
(2.8 ltr) (2.8 ltr) (2.8 ltr) (2.8 ltr) (3.2 ltr) (3.2 ltr)
Aspiration
Natural Natural Natural Natural Natural Natural
Dry Weight / Complete Unit 352 lbs 352 lbs 355 lbs 355 lbs 350 lbs 350 lbs
(160 kg) (160 kg) (161 kg) (161 kg) (159 kg) (159 kg)
Height 19.6 in 19.6 in 19.46 in 19.46 in 20.25 in 20.25 in
(498 mm) (498 mm) (496 mm) (496 mm) (513 mm) (513 mm)
Width 17.2 in 17.2 in 17.2 in 17.2 in 17.2 in 17.2 in
(437 mm) (437 mm) (437 mm) (437 mm) (437 mm) (437 mm)
Length 26.9 in 26.9 in 27.1 in 27.1 in 27.1 in 27.1 in
(683 mm) (683 mm) (688 mm) (688 mm) (688 mm) (688 mm)
COOLING SYSTEM
Approximate Cooling System Capacity .5 gal .5 gal .5 gal .5 gal .5 gal .5 gal
(2 ltr) (2 ltr) (2 ltr) (2 ltr) (2 ltr) (2 ltr)
Minimum Through-Hull Diameter
0.75 in 0.75 in 0.75 in 0.75 in 0.75 in 0.75 in
(19 mm) (19 mm) (19 mm) (19 mm) (19 mm) (19 mm)
Raw Water Pump Inlet Hose I.D.
0.75 in 0.75 in 0.75 in 0.75 in 0.75 in 0.75 in
(19 mm) (19 mm) (19 mm) (19 mm) (19 mm) (19 mm)
Minimum Seawater Discharge
0.75 in 0.75 in 0.75 in 0.75 in 0.75 in 0.75 in
(19 mm) (19 mm) (19 mm) (19 mm) (19 mm) (19 mm)
Heat Rejection to Jacket Water 350 BTU/min 250 BTU/min 600 BTU/min 600 BTU/min 420 BTU/min 350 BTU/min
Fresh Water Pump Capacity
5.0 gal/min 4.2 gal/min 5.0 gal/min 4.1 gal/min 5.0 gal/min 4.2 gal/min
(18.92 ltr/min) (15.77 ltr/min) (18.92 ltr/min) (15.77 ltr/min) (18.92 ltr/min) (16 ltr/min)
Maximum Seawater Pump Suction Head
39 in 39 in 39 in 39 in 39 in 39 in
(1 m) (1 m) (1 m) (1 m) (1 m) (1 m)
Seawater Pump Capacity
8.0 gal/min 7.0 gal/min 9.0 gal/min 7.5 gal/min 8.0 gal/min 7.0 gal/min
(30 ltr/min) (26 ltr/min) (34 ltr/min) (28.4 ltr/min) (30 ltr/min) (26 ltr/min)
Keel Cooler Turbo Tube Length
4 ft 4 ft 4 ft 4 ft 4 ft 4 ft
(1.2 m) (1.2 m) (1.2 m) (1.2 m) (1.2 m) (1.2 m)
Keel Cooler Head Diameter
0.75 in NPT 0.75 in NPT 0.75 in NPT 0.75 in NPT 0.75 in NPT 0.75 in NPT
(19.1 mm) (19.1 mm) (19.1 mm) (19.1 mm) (19.1 mm) (19.1 mm)
Keel Cooler Water Hose I.D.
Discharge and Suction 1.0 in 1.0 in 1.0 in 1.0 in 1.0 in 1.0 in
(25 mm) (25 mm) (25 mm) (25 mm) (25 mm) (25 mm)