Northern Lights NL944T2 Parts Manual
P944
For Models: L944D, M944W, NL944D2, M30CW,
M944T, NL944T2, and M38CR2
PARTS CATALOG
Marine Generators | Marine Diesel Engines | Land-Based Generators
— CALIFORNIA —
Proposition 65 Warning:
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.
Northern Lights
4420 14th Avenue N.W.
Seattle, WA 98107
Tel: (206) 789-3880
Fax: (206) 782-5455
Copyright ©2008 Alaska Diesel Electric, Inc.
All rights reserved. Northern Lights™, and
the Northern Lights logo are trademarks of
Alaska Diesel Electric, Inc.
Printed in U.S.A.
PART NO.: P944 12/08
PARTS CATALOG
for Models L944D, M944W, NL944D2, M30CW,
M944T, NL944T2, and M38CR2
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
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 ........................................... 28
GROUP 2 - INTAKE & EXHAUST SYSTEM
Intake Manifold ....................................... 1 - 3
Air Filter & Mounting ..................................4 - 8
Air Filter & Connector ........................................9
Exhaust Manifold ................................ 10 - 12
Turbocharger & Mtg. ............................ 14 - 15
Turbocharger Assembly. ........................ 16 - 17
Wet Exhaust Elbow ............................... 18 - 19
Dry Exhaust Elbow ............................... 20 - 21
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
Keel Cooling Outlet ..................................... 10
Fan ............................................................. 11
GROUP 4 - FUEL SYSTEM
Fuel System Assembly ............................. 0 - 5
Injection Pump ......................................... 6 - 7
Double Wall Fuel Lines .................................. 8
Fuel Filter ..................................................... 9
Fuel Lines ................................................... 10
USCG Fuel Lines ....................... 11 - 12, 14 - 15
Push-on Fuel Lines .......................................... 13
Fuel Feed Pump ................................... 16 - 17
Fuel Injector ............................................. 18 - 21
Throttle ............................................................ 22
GROUP 5 - ELECTRICAL SYSTEM
Engine ................................................... 0 - 21
Starter ................................................. 22 - 25
Alternator Mounting ............................. 26 - 29
Alternator Assembly ............................. 30 - 31
Stop Solenoid & Mounting ........................... 32
Relay Panel & Relay Board ..................... 33 - 34
Drive Belt ................................................... 35
Belt Guard ........................................... 36 - 43
Control Panels ...................................... 44 - 49
Speed Switch & Magnetic Pick-up .................. 50
GROUP 6 - GASKET SETS
Gasket Sets .................................................... 0 - 3
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 - 7
GROUP 9 - ACCESSORIES
GROUP 9 - & OPTIONAL EQUIPMENT
PTO Adapter ............................................ 0 - 1
Electric Clutch .............................................. 2
Low Coolant Level Switch/ Gauge .................. 3
Raw Water Flow Switch ................................. 4
Low Oil Level Switch/ Gauge ......................... 5
Proprietary Information
This publication is the sole property of Alaska Diesel Electric, Inc.
It may not be reproduced in whole or part without the expressed written permission of Alaska Diesel Electric, Inc.
© Alaska Diesel Electric, Inc. 2008. All rights reserved. Litho U.S.A. Publication number: P944 12/08
P944 12/08
I
Model Designation
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:
L, M, NL C W T
L - Northern Lights Propulsion engine
M - Northern Lights Marine generator set
NL - Northern Lights Industrial generator
set
L944D
M944W
Northern Lights propulsion engine from a
=
944 engine.
Northern Lights marine diesel generator
=
set with a 944 engine and a PX-332K2
generator end.
Serial Numbers
C - Commercial
set
M30CW
M944T
M38CR2
Designates a
new winding in
generator
Northern Lights commercial diesel
=
generator set with a 944 engine and an
UCI224 or PX-332K2 generator end.
Northern Lights marine diesel generator
=
set with a 944 engine and an LX-E 34E
generator end, turbocharged.
Northern Lights commercial diesel
=
generator set with a 944 engine and a
Newage generator end, turbocharged.
T - Turbocharged
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 (gure 1).
Please have your generator set serial number ready when you call in for service or parts.
Generator End Serial Number
Figure 1. Generator Set Serial Number Plate
P944 12/08
II
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.
1
ELECTRICAL SYSTEM
ALTERNATOR ASSEMBLY: M - NL844
4
6
5
KEY PART NUMBER QTY. DESCRIPTION SERIALNUMBER
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 -
7 8 9
10
3
2
13
11
P844 06/96
5 - 2
14
12
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 ts.
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 identication. 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: a Arrows always point toward the front of the engine.
P944 12/08
III
GROUP 1 – ENGINE
Cylinder Block
L-M-NL944, M30CW
Dwg. #32B0710
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
P944 12/08
1 - 0
GROUP 1 – ENGINE
Cylinder Block
M-NL944T, M38CR2
Dwg. #32B0710a
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
P944 12/08
1 - 1
GROUP 1 – ENGINE
Flywheel Housing SAE #4
L-M944, M30CW
Dwg. #32B1209
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 -
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GROUP 1 – ENGINE
Flywheel Housing SAE #3
M944T, NL944D2, NL944T, & M38CR2
Dwg. #32B1209a
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 -
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GROUP 1 – ENGINE
Crankshaft, Pulley, and Flywheel
L-M-NL944, M30CW
Dwg. #32B2016, 32B2111
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 32A2111011 1 Flywheel Assembly SAE #10, L-M944, M30CW
32A2100051 1 Flywheel Assembly SAE #11-1/2, NL944D2
8 32A2100900 1 Ring Gear (122 Teeth) 9 F103512035 4 Bolt 10 F251512000 4 Lock Washer -
P944 12/08
(includes key 8) -
(includes key 8) -
1 - 4
GROUP 1 – ENGINE
Crankshaft, Pulley, and Flywheel
M-NL944T, M38CR2
Dwg. #32B2016, 32B2111
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
8 32A2100900 1 Ring Gear (122 Teeth) 9 F103512035 4 Bolt 10 F251512000 4 Lock Washer -
P944 12/08
(includes key 8) -
1 - 5
GROUP 1 – ENGINE
Main Bearing
Dwg. #32B0903
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 -
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GROUP 1 – ENGINE
Notes
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1 - 7
GROUP 1 – ENGINE
Piston & Connecting Rod
P944 12/08
1 - 8
Dwgs. 32B1905 & 32B1718
GROUP 1 – ENGINE
Piston & Connecting Rod
KEY PART NUMBER QTY DESCRIPTION SERIAL NUMBER
1 32A1710100 4 Piston, Standard L-NL944D, M944, & M30CW 32A1710200 4 Piston, Oversize 0.25 mm
32A1710300 4 Piston, Oversize 0.50 mm
32A1704500 4 Piston, Standard
M-NL944T, M38CR2 -
32A1704600 4 Piston, Oversize 0.25 mm
32A1704700 4 Piston, Oversize 0.50 mm
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
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
L-NL944D, M944, & M30CW -
L-NL944D, M944, & M30CW -
M-NL944T, M38CR2 -
M-NL944T, M38CR2 -
(includes keys 6- 9) -
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1 - 9
GROUP 1 – ENGINE
Timing Gear Cover
L-M-NL944, M30CW
Dwg. #32B1107
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
8 0601613140 1 O-ring 9 F180508065 4 Bolt with Washer 10 32A1104010 1 Seal Assembly -
(M30CW & NL944D) -
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GROUP 1 – ENGINE
Timing Gear Cover
M-NL944T, M38CR2
Dwg. #32B1107
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
8 0601613140 1 O-ring 9 MF241266 5 Bolt with Washer 10 32A1104010 1 Seal Assembly -
(M38CR2 & NL944T) -
P944 12/08
1 - 11
GROUP 1 – ENGINE
Timing Gear
M-L944, M30CW
Dwg. #32B2304
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 -
P944 12/08
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GROUP 1 – ENGINE
Timing Gear
M-NL944T, M38CR2
Dwg. #32B2304
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 -
P944 12/08
1 - 13
GROUP 1 – ENGINE
Camshaft
Dwg. #32B0504
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
MF241251 2 Bolt with Washer
L-M-NL944, M30CW -
L-M-NL944T, M38CR2 -
5 32A0502101 8 Tappet 6 32A0513100 8 Push Rod 7 32A2301100 1 Camshaft Gear
32A2301101 1 Camshaft Gear
L-M-NL944, M30CW -
L-M-NL944T, M38CR2 -
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1 - 14
GROUP 1 – ENGINE
Oil Pump and Pick-up
Dwg. #32B3503 & 32B3504
KEY PART NUMBER QTY DESCRIPTION SERIAL NUMBER
1 32A3516101 1 Oil Pick-up 2 F315002000 1 O-ring 3 F180508016 2 Bolt with washer MF241251 2 Bolt with washer
4 32A3510012 1 Oil Pump Assembly 5 32A3500600 1 O-ring 6 F180508020 4 Bolt with washer MF240053 4 Bolt with washer
7 F232010000 1 Jam Nut 8 F251510000 1 Spring Washer 9 32A3512101 1 Oil Pump Gear -
(M944T) -
(M944T) -
P944 12/08
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GROUP 1 – ENGINE
Side Cover and Relief Valve
Dwgs. # 32B3906 & 32B3606
KEY PART NUMBER QTY DESCRIPTION SERIAL NUMBER
1 32A3901100 1 Cover 2 32A3911200 1 Gasket 3 F180508016 14 Bolt with washer 4 32A3605012 1 Relief Valve Assembly 5 3434000700 1 Gasket -
P944 12/08
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GROUP 1 – ENGINE
Relief Valve
M-NL944T, M38CR2
Dwgs. # 32B3906a
KEY PART NUMBER QTY DESCRIPTION SERIAL NUMBER
1 32A3605012 1 Relief Valve Assembly 2 3434000700 1 Gasket 3 32A3610010 1 Safety Valve Assembly 4 F420218000 1 Gasket -
P944 12/08
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GROUP 1 – ENGINE
Oil Filter
32B4006
KEY PART NUMBER QTY DESCRIPTION SERIAL NUMBER
1 24-01201 1 Oil Filter 2 32A4001100 1 Union
32A4001101 1 Union
L-M-NL944, M30CW -
L-M-NL944T, M38CR2 -
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GROUP 1 – ENGINE
Oil Pan and Dipstick
Dwg. #: 32B1306
KEY PART NUMBER QTY DESCRIPTION SERIAL NUMBER
1 32A1300011 1 Oil Pan (includes keys 2 & 3) 2 MD050316 ** Plug, M14 x 1.5 3 MD050317 ** Gasket 4 F180508016 24 Bolt with washer MF240051 24 Bolt with washer
5 32A4205100 1 Dipstick -
**As required
(M944T) -
P944 12/08
1 - 19
GROUP 1 – ENGINE
Oil Drain Hose
A-11229 / B-9066
KEY PART NUMBER QTY DESCRIPTION SERIAL NUMBER
1 21-54901 1 Male Elbow, 900 Steel M14 x 1.5 x 3/8- 37T 2 18-71201 1 Hose Assembly 1/2” I.D. x 19- 1/2” 3 21-00003 1 Cap, Hex Head Brass 1/2 NPT 4 23-72003 1 Bracket, Oil Drain Hose Support
23-75415 1 Bracket, Oil Drain Hose Support
5 19-00010 1 Hose Clamp
(with PTO) -
P944 12/08
(without PTO) -
(with PTO) -
1 - 20
GROUP 1 – ENGINE
Oil Drain Hose M944T
A-12291 / B-9525
KEY PART NUMBER QTY DESCRIPTION SERIAL NUMBER
1 21-54901 1 Male Elbow, 900 Steel M14 x 1.5 x 3/8- 37T 2 18-71204 1 Hose Assembly 3/8” I.D. x 14” 3 21-00606 1 Male Elbow 90
0
Steel 3/8 NPT x 3/8- 37T 4 23-71201 1 Shut-off Ball Valve, Brass 3/8 NPT 5 21-31003 1 Plug, Hex Head Brass 3/8 NPT -
P944 12/08
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GROUP 1 – ENGINE
Cylinder Head
32B0106
KEY PART NUMBER QTY DESCRIPTION SERIAL NUMBER
1 32A0111020 1 Cylinder Head Assembly (without turbocharger, includes keys 2-10) -
32A0126020 1 Cylinder Head Assembly
(with turbocharger, includes keys 2-10) -
2 0482622000 12 Expansion Plug 3 0482622500 7 Expansion Plug 4 32A0101600 8 Valve Guide 5 32A0103100 4 Valve Seat, Intake 6 32A0103200 4 Valve Seat, Exhaust 7 1 Plug
(Not available separately) -
8 MM316248 1 Plug, M16 x 1.5 9 15-01001 1 Sealing Washer, Copper M16 10 32A0301100 4 Combustion Chamber
11 32A0102204 1 Head Gasket
32A0112300 1 Head Gasket
(without turbocharger) -
(with turbocharger) -
(without turbocharger) -
12 32A0101400 17 Head Bolt -
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GROUP 1 – ENGINE
Notes
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GROUP 1 – ENGINE
Valve Train
L-M944, M30CW
P944 12/08
1 - 24
32B0410
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