Northern Lights L944D, M944W, NL944D2, M30CW, M944T, NL944T2, and... User manual
P944
For Models: L944D, M944W, NL944D2, M30CW,
M944T, NL944T2, and M38CR2
PARTSCATALOG
Marine Generators | Marine Diesel Engines | Land-Based Generators
Diesel engine exhaust and some of its constitu-
ents are known to the State of California to cause
cancer, birth defects, and other reproductive harm.
— CALIFORNIA —
Proposition 65 Warning:
Northern Lights
4420 14th Avenue N.W.
Seattle, WA 98107
Tel: (206) 789-3880
Fax: (206) 782-5455
Copyright ©2013 Northern Lights, Inc.
All rights reserved. Northern Lights™, and
the Northern Lights logo are trademarks of
Northern Lights, Inc.
Printed in U.S.A.
PART NO.: P944 8/13
P944 8/13
GROUP 4 - FUEL SYSTEM
Fuel System Assembly............................. 0 - 7
Injection Pump.........................................8 - 9
Double Wall Fuel Lines................................10
Fuel Filter................................................... 11
Fuel Lines...................................................12
USCG Fuel Lines.......................13 - 14, 16 - 17
Push-on Fuel Lines.......................................... 15
Fuel Feed Pump ...................................18 - 19
Fuel Injector............................................. 20 - 23
Throttle ............................................................ 24
GROUP 5 - ELECTRICAL SYSTEM
Engine...................................................0 - 21
Starter .................................................22 - 25
Alternator Mounting.............................26 - 30
Alternator Assembly .............................31 - 33
Stop Solenoid & Mounting...........................34
Relay Panel & Relay Board..................... 35 - 36
Drive Belt...................................................37
Belt Guard...........................................38 - 45
Control Panels......................................46 - 51
Speed Switch & Magnetic Pick-up.................. 52
GROUP 6 - GASKET SETS
Gasket Sets....................................................0 - 7
GROUP 7 - GEAR & ADAPTER PARTS
Gear Attaching Parts.....................................0 - 1
GROUP 8 - FRAME & MOUNTING
Engine Lifting Eye ........................................0
Front Engine Mounting Brackets..................1 - 2
Base Frame..............................................3 - 8
GROUP 9 - ACCESSORIES
GROUP 9 - & OPTIONAL EQUIPMENT
PTO Adapter............................................0 - 2
Electric Clutch .............................................. 3
Low Coolant Level Switch/ Gauge..................4
Raw Water Flow Switch................................. 5
Low Oil Level Switch/ Gauge....................6 - 8
GROUP 1 - ENGINE
Cylinder Block ........................................0 - 1
Flywheel Housing ....................................2 - 3
Crankshaft, Pulley, and Flywheel ...............4 - 5
Main Bearing......................................................6
Piston & Connecting Rod.............................8 - 9
Timing Gear & Cover ...........................10 - 13
Camshaft ....................................................14
Oil Pump & Pick-up ........................................ 15
Side Cover & Relief Valve....................... 16 - 17
Oil Filter........................................................... 18
Oil Pan & Dipstick........................................... 19
Oil Drain Hose......................................... 20 - 21
Cylinder Head.................................................. 22
Valve Train............................................... 24 - 27
Rocker Arm Cover & Crankcase Breather ...... 28
GROUP 2 - INTAKE & EXHAUST SYSTEM
Intake Manifold .......................................1 - 3
Air Filter & Mounting ..................................4 - 9
Air Filter & Connector........................................6
Exhaust Manifold ................................12 - 14
Turbocharger & Mtg.............................16 - 17
Turbocharger Assembly.........................18 - 19
Wet Exhaust Elbow...............................20 - 21
Dry Exhaust Elbow...............................22 - 23
GROUP 3 - COOLING
Expansion Tank & Thermostat Housing......0 - 1
Heat Exchanger & Mounting.......................... 2
Heat Exchanger Assembly.............................. 3
Thermostat Housing.......................................4
Coolant Pump ..........................................5 - 6
Raw Water Pump & Mounting...................7 - 8
Raw Water Pump Detail.................................9
Oil Cooler............................................10 - 11
Keel Cooling Outlet.....................................12
Fan.............................................................13
Proprietary Information
This publication is the sole property of Northern Lights, Inc.
It may not be reproduced in whole or part without the expressed written permission of Northern Lights, Inc.
© Northern Lights, Inc. 2012. All rights reserved. Litho U.S.A. Publication number: P944 8/13
I
Please read thoroughly before aempting to use this manual:
Table of Contents....................................................................................................................................... I
Model Designation & Serial Numbers.........................................................................................................II
Reading a Parts Page................................................................................................................................ III
Table of Contents
PARTS CATALOG
for Models L944D, M944W, NL944D2, M30CW,
M944T, NL944T2, and M38CR2
P944 8/13
Model Designation
II
L, M, NL C W T
L- Northern Lights Propulsion engine
M- Northern Lights Marine generator set
NL - Northern Lights Industrial generator
set
C- Commercial
set
Northern Lights marine diesel generator
set with a 944 engine and a PX-332K2
generator end.
M944W
NORTHERN LIGHTS
Northern Lights generator sets have two serial numbers. One serial number is for the generator end, and it is
found on the Generator End Data Plate. One is for the generator set and it looks like the below (figure 1).
Please have your generator set serial number ready when you call in for service or parts.
MODELS INCLUDED
This manual covers the operating instructions for:
L944D, M944W, NL944D2, M30CW, M944T, NL944T2, and M38CR2
Model Numbers
Model numbers give the unit's application, block model, aspiration, and RPM:
Serial Numbers
Generator End Serial Number
=
Designates a
new winding in
generator
Northern Lights commercial diesel
generator set with a 944 engine and an
UCI224 or PX-332K2 generator end.
M30CW =
Figure 1. Generator Set Serial Number Plate
Northern Lights propulsion engine from a
944 engine.
L944D =
T - Turbocharged
Northern Lights marine diesel generator
set with a 944 engine and an LX-E 34E
generator end, turbocharged.
M944T =
Northern Lights commercial diesel
generator set with a 944 engine and a
Newage generator end, turbocharged.
M38CR2 =
P944 8/13
REFERENCES:
1. Grouping section title. 7. Quantity of parts used.
2. Model designation of equipment that uses parts 8. Description of each component part.
listed on this page. 9. Serial number of unit the part fits.
3. Title and description of assembly. 10. Assembly or kit designated by Key 0 or ••/•.
4. Drawing numbers that correspond to key 11. Grouping index number.
column numbers for parts identification. 12. Page number within the grouping index.
5. Key column for locating parts shown on drawing. 13. Manual title.
6. Part number. 14. Page publication date.
NOTE: Arrows always point toward the front of the engine.
III
ELECTRICAL SYSTEM
1
Reading a Parts Page
IMPORTANT:
Before selecting parts, be sure that you are choosing parts from the correct page.
Check the model designation at the page top.
Do not use this illustration for parts purchasing.
42
3
5
7 8 9
P844 06/96
5 - 2
0 185046210 1 Alternator Assembly -
1 185446219 1 Flywheel, complete -
2 185446217 1 Plate, complete -
3 185716200 1 Plate -
4 185446218 1 Stator, complete -
5 040126210 2 Bearing -
6 020210010 1 Nut -
7 027100010 1 Spring washer -
8 026100010 1 Washer -
9 185446220 1 Clamp -
10 015140408 1 Screw -
11 015140425 2 Screw -
12 199236510 1 Collar -
6
ALTERNATOR ASSEMBLY: M - NL844
14
12
11
13
10
KEY PART NUMBER QTY. DESCRIPTION SERIALNUMBER
P944 8/13
GROUP 1 – ENGINE
Cylinder Block
KEY PART NUMBER QTY DESCRIPTION SERIAL NUMBER
•• 32A0721010 1 Cylinder Block Assembly (includes keys 1- 16) -
1 0482623500 10 Expansion Plug -
2 4 Bearing Cap* -
3 1 Bearing Cap, Rear* -
4 32A0702600 10 Bolt, Bearing Cap -
5 0482621800 6 Expansion Plug -
6 3 Plug* -
7 MS661142 1 Plug, Tapered -
8 3430702100 1 Plug, Cam -
9 32A0701501 2 Dowel Pin -
10 F284612000 2 Dowel Pin -
11 F284605000 2 Dowel Pin -
12 F285004008 6 Spring Pin -
13 MS661140 6 Plug, Tapered -
14 0560501410 1 Bushing -
15 32A2303500 1 Idler Shaft -
16 MD000269 1 Plug, Tapered -
17 32A0711700 2 Side Seal -
*
Part unavailable separately
Dwg. #32B0710
1 - 0
L-M-NL944, M30CW
P944 8/13
GROUP 1 – ENGINE
Cylinder Block
KEY PART NUMBER QTY DESCRIPTION SERIAL NUMBER
•• 32A0744010 1 Cylinder Block Assembly (includes keys 1- 16) -
1 0482623500 10 Expansion Plug -
2 4 Bearing Cap* -
3 1 Bearing Cap, Rear* -
4 32A0702600 10 Bolt, Bearing Cap -
5 0482621800 5 Expansion Plug -
6 3 Plug* -
7 MS661142 1 Plug, Tapered -
8 3430702100 1 Plug, Cam -
9 32A0701500 2 Dowel Pin -
10 MF472446 2 Dowel Pin -
11 F284605000 2 Dowel Pin -
12 F285004008 6 Spring Pin -
13 MS661140 7 Plug, Tapered -
14 0560501410 1 Bushing -
15 32A2303500 1 Idler Shaft -
16 MD000269 1 Plug, Tapered -
17 0482790170 2 Plug, Tapered -
18 32A0701800 4 Check Valve -
*
Part unavailable separately
Dwg. #32B0710a
1 - 1
M-NL944T, M38CR2
P944 8/13
GROUP 1 – ENGINE
Flywheel Housing SAE #4
KEY PART NUMBER QTY DESCRIPTION SERIAL NUMBER
1 32A1200100 1 Flywheel Housing SAE #4 -
2 32A0714201 1 Rear Gasket -
3 F180510025 10 Bolt with washer -
4 F180510030 2 Bolt with washer -
5 3440711090 1 Rear Main Seal (Repair type) -
3440703700 1 Rear Main Seal -
6 13-05001 2 Stud, M10 x 1.5 x 25 mm (37 mm LOA) -
7 14-00811 2 Nut, M10 x 1.5 -
8 15-00802 2 Lock Washer M10 -
9 MD001404 1 Drain Plug -
10 MD00312 1 Gasket -
Dwg. #32B1209
1 - 2
L-M944, M30CW
P944 8/13
GROUP 1 – ENGINE
Flywheel Housing SAE #3
KEY PART NUMBER QTY DESCRIPTION SERIAL NUMBER
1 32B1200301 1 Flywheel Housing SAE #3 -
2 32A0714201 1 Gasket -
3 MF241282 10 Bolt with washer -
4 MF241284 2 Bolt with washer -
5 3440711090 1 Rear Main Seal -
6 13-05001 2 Stud, M10 x 1.5 x 25 mm (37 mm LOA) -
7 14-00811 2 Nut, M10 x 1.5 -
8 15-00802 2 Lock Washer M10 -
9 MD001404 1 Drain Plug -
10 MD000312 1 Gasket -
11 MM316248 1 Drain Plug -
12 3063625901 1 Gasket -
Dwg. #32B1209a
1 - 3
M944T, NL944D2, NL944T, & M38CR2
P944 8/13
1 - 4
GROUP 1 – ENGINE
Crankshaft, Pulley, and Flywheel
KEY PART NUMBER QTY DESCRIPTION SERIAL NUMBER
1 32A2000014 1 Crankshaft Assembly (includes keys 2-5) -
2 F284610000 2 Dowel Pin -
3 F287007022 2 Woodruff Key -
4 32A2300101 1 Gear -
5 32A2002901 1 Nut -
6 32A2002101 1 Pulley -
7 32A2104050 1
Flywheel Assembly SAE #10, L-M944, M30CW (includes key 8) former # 32A2111011
-
32A2100051 1 Flywheel Assembly SAE #11-1/2, NL944D2 (includes key 8) -
8 32A2100900 1 Ring Gear (#11-1/2 Flywheel - 122 Teeth) -
3062161300 1 Ring Gear (#10 Flywheel - 113 Teeth) -
9 F103512035 4 Bolt -
10 F251512000 4 Lock Washer -
Dwg. #32B2016, 32B2111
L944D - M944 - M30CW - NL944D
revised 12-29-11
P944 8/13
1 - 5
GROUP 1 – ENGINE
Crankshaft, Pulley, and Flywheel
KEY PART NUMBER QTY DESCRIPTION SERIAL NUMBER
1 32A2000052 1 Crankshaft Assembly (includes keys 2-5) -
2 F284610000 2 Dowel Pin -
3 F287007022 2 Woodruff Key -
4 32A2300301 1 Gear -
5 32A2002901 1 Nut -
6 32A2002203 1 Pulley -
7 32A2100051 1 Flywheel Assembly SAE #11-1/2 (includes key 8) -
8 32A2100900 1 Ring Gear (122 Teeth) -
9 F103512035 4 Bolt -
10 F251512000 4 Lock Washer -
Dwg. #32B2016, 32B2111
M-NL944T, M38CR2
P944 8/13
1 - 6
GROUP 1 – ENGINE
Main Bearing
KEY PART NUMBER QTY DESCRIPTION SERIAL NUMBER
1 32A09-00010 1 Main Bearing Set, Standard -
32A09-00020 1 Main Bearing Set, Undersize 0.25 mm -
32A09-00030 1 Main Bearing Set, Undersize 0.50 mm -
32A09-00040 1 Main Bearing Set, Undersize 0.75 mm -
2 32B09-08101 3 Thrust Bearing, Standard -
32B09-08201 3 Thrust Bearing, Oversize 0.15 mm -
32B09-08301 3 Thrust Bearing, Oversize 0.30 mm -
Dwg. #32B0903
P944 8/13
GROUP 1 – ENGINE
Notes
1 - 7
P944 8/13
1 - 8
Dwgs. 32B1905 & 32B1718
GROUP 1 – ENGINE
Piston & Connecting Rod
P944 8/13
KEY PART NUMBER QTY DESCRIPTION SERIAL NUMBER
1 32A1710100 4 Piston, Standard L-NL944D, M944, & M30CW -
32A1710200 4 Piston, Oversize 0.25 mm L-NL944D, M944, & M30CW -
32A1710300 4 Piston, Oversize 0.50 mm L-NL944D, M944, & M30CW -
32A1704500 4 Piston, Standard
M-NL944T, M38CR2 -
32A1704600 4 Piston, Oversize 0.25 mm M-NL944T, M38CR2 -
32A1704700 4 Piston, Oversize 0.50 mm M-NL944T, M38CR2 -
2 32A1702010 4 Ring Set, Piston, Standard -
32A1702020 4 Ring Set, Piston, Oversize 0.25 mm -
32A1702030 4 Ring Set, Piston, Oversize 0.50 mm -
3 32A1708300 4 Piston Pin -
4 F320203000 8 Snap Ring -
5 32A1900012 4 Connecting Rod Assembly
(includes keys 6- 8) -
6 32A1900400 8 Bolt -
7 3061910501 8 Nut -
8 32A1900501 4 Bushing -
9 32A1909011 1 Bearing Set, Standard -
32A1909021 1 Bearing Set, Undersize 0.25 -
32A1909031 1 Bearing Set, Undersize 0.50 -
32A1909041 1 Bearing Set, Undersize 0.75
1 - 9
GROUP 1 – ENGINE
Piston & Connecting Rod
revised 4-18-12
P944 8/13
1 - 10
KEY PART NUMBER QTY DESCRIPTION SERIAL NUMBER
1 32A1103100 1 Front Plate -
2 32A1100105 1 Timing Gear Cover -
3 32A0704100 1 Gasket -
4 F180508016 5 Bolt with Washer -
5 32A1100200 1 Gasket -
6 F180508055 13 Bolt with Washer -
7 32A1101100 1 Cover
(M30CW & NL944D) -
8 0601613140 1 O-ring -
9 F180508065 4 Bolt with Washer -
10 32A1104010 1 Seal Assembly -
Dwg. #32B1107
GROUP 1 – ENGINE
Timing Gear Cover
L-M-NL944, M30CW
P944 8/13
1 - 11
KEY PART NUMBER QTY DESCRIPTION SERIAL NUMBER
1 32A1113100 1 Front Plate -
2 32A1110100 1 Timing Gear Cover -
3 32A0704100 1 Gasket -
4 MF241251 5 Bolt with Washer -
5 32A1100200 1 Gasket -
6 MF241264 13 Bolt with Washer -
7 32A1101100 1 Cover
(M38CR2 & NL944T) -
8 0601613140 1 O-ring -
9 MF241266 5 Bolt with Washer -
10 32A1104010 1 Seal Assembly -
Dwg. #32B1107
GROUP 1 – ENGINE
Timing Gear Cover
M-NL944T, M38CR2
P944 8/13
1 - 12
GROUP 1 – ENGINE
Timing Gear
KEY PART NUMBER QTY DESCRIPTION SERIAL NUMBER
1 32A2301100 1 Camshaft Gear -
2 32A2312301 1 Injection Pump Gear -
3 32A2303010 1 Idler Gear Assembly -
4 3432300801 1 Thrust Plate -
5 F180510020 1 Bolt with Washer -
6 32A3512101 1 Oil Pump Gear -
7 32A2300101 1 Crankshaft Gear -
Dwg. #32B2304
M-L944, M30CW
P944 8/13
1 - 13
GROUP 1 – ENGINE
Timing Gear
KEY PART NUMBER QTY DESCRIPTION SERIAL NUMBER
1 32A2301101 1 Camshaft Gear -
2 32A2305200 1 Injection Pump Gear -
3 32A2303040 1 Idler Gear Assembly -
4 3432300801 1 Thrust Plate -
5 MF241280 1 Bolt with Washer -
6 32A3512101 1 Oil Pump Gear -
7 32A2300301 1 Crankshaft Gear -
Dwg. #32B2304
M-NL944T, M38CR2
P944 8/13
1 - 14
KEY PART NUMBER QTY DESCRIPTION SERIAL NUMBER
1 32A0500101 1 Camshaft L-M-NL944, M30CW -
32A0505101 1 Camshaft
M-NL944T, M38CR2 -
2 F287007022 1 Woodruff Key -
3 3040531403 1 Thrust Plate -
4 F180508016 2 Bolt with Washer L-M-NL944, M30CW -
MF241251 2 Bolt with Washer L-M-NL944T, M38CR2 -
5 32A0502101 8 Tappet -
6 32A0513100 8 Push Rod -
7 32A2301100 1 Camshaft Gear L-M-NL944, M30CW -
32A2301101 1 Camshaft Gear
L-M-NL944T, M38CR2 -
Dwg. #32B0504
GROUP 1 – ENGINE
Camshaft
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