Northern Lights L944D, M944W, NL944D2, M30CW, M944T 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: [phone]
Fax: [phone]

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

PARTS CATALOG

for Models L944D, M944W, NL944D2, M30CW,

M944T, NL944T2, and M38CR2

Please read thoroughly before a empting 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 & 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 T ank & 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

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

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

Proprietary Information

This publication is the sole property of Northern Lights, Inc.

P944 8/13

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 (

fi 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 8/13

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

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 fi 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 identifi cation. 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.



13

11

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III

14

12

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

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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

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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

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

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GROUP 1 – ENGINE

Crankshaft, Pulley, and Flywheel

L944D - M944 - M30CW - NL944D

revised 12-29-11

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 32A2104050 1
32A2100051 1 Flywheel Assembly SAE #11-1/2, NL944D2
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 -

Flywheel Assembly SAE #10, L-M944, M30CW (includes key 8) former # 32A2111011

(includes key 8) -

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GROUP 1 – ENGINE

Crankshaft, Pulley, and Flywheel

M-NL944T, M38CR2

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 -

Dwg. #32B2016, 32B2111

(includes key 8) -

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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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GROUP 1 – ENGINE

Piston & Connecting Rod

Dwgs. 32B1905 & 32B1718

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revised 4-18-12

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- 8) -

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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

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 -

Dwg. #32B1107

(M38CR2 & NL944T) -

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GROUP 1 – ENGINE

Timing Gear

M-L944, M30CW

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 -

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Dwg. #32B2304

GROUP 1 – ENGINE

Timing Gear

M-NL944T, M38CR2

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

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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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GROUP 1 – ENGINE

Oil Pump and Pick-up

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 -

Dwg. #32B3503 & 32B3504

(M944T) -

(M944T) -

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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 -

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GROUP 1 – ENGINE

Relief Valve

M-NL944T, M38CR2

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 -

Dwgs. # 32B3906a

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GROUP 1 – ENGINE

Oil Filter

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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32B4006

GROUP 1 – ENGINE

Oil Pan and Dipstick

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 -

**

Dwg. #: 32B1306

(M944T) -

As required

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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) -

(without PTO) -
(with PTO) -

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GROUP 1 – ENGINE

Oil Drain Hose M944T

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
4 36-71201 1 Shut-off Ball Valve, Brass 3/8 NPT ­ 5 21-31003 1 Plug, Hex Head Brass 3/8 NPT -

A-12291 / B-9525

0

Steel 3/8 NPT x 3/8- 37T -

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GROUP 1 – ENGINE

Cylinder Head

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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32B0106

GROUP 1 – ENGINE

Notes

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GROUP 1 – ENGINE

Valve Train

L-M944, M30CW

32B0410

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