9Y0509 GOVERNOR & FUEL INJECTION PUMP GP-PART 4 OF 5 ENGINE S/N 79V15974-UP PART OF 9Y0502 & 9Y0512 GOVERNOR & FUEL INJECTION PUMPS 225

Special Instruction

Pos.	Part No	Qty	Parts name
1.	9F-6641	[4]	BOLT
2.	4N-2954	[1]	SLEEVE-CAMSHAFT
3.	4N-1132	[1]	BODY AS-TRANSFER PUMP
4.	8S-6814	[1]	PIN
5.	4N-1584	[1]	SEAL-LIP TYPE
6.	4N-0636	[1]	SEAL-LIP TYPE
7.	8H-9804	[1]	SHAFT-PUMP IDLER
8.	4N-0429	[1]	GEAR-PUMP (15 TEETH)
9.	4N-0406	[1]	GEAR-PUMP (10 TEETH)
10.	5M-6509	[1]	SEAL-O-RING
11.	4N-1767	[1]	VALVE-BYPASS
12.	4N-0605	[1]	SPRING

Pos.	Part No	Qty	Parts name
1.	4N-4276	[1]	SEAT-SPRING
2.	4N-6408	[1]	PISTON AS
3.	4N-6406	[1]	RING-SPACER
4.	4N-6404	[1]	RING-RETAINING
5.	4N-6407	[1]	SPOOL-DASHPOT
6.	6N-2517	[1]	SPRING-DASHPOT
7.	2W-8623	[1]	SEAT-SPRING
8.	4N-0434	[1]	RISER-GOVERNOR
9.	4N-2927	[2]	RACE-BEARING THRUST
	7M-7219	[1]	BEARING-THRUST
10.	4N-2953	[1]	RING-LOCK
11.	4N-3779	[1]	KEY-CAMSHAFT
12.	9N-3752	[1]	CAMSHAFT AS
	9N-3751	[1]	CAMSHAFT-FUEL PUMP
13.	8N-2663	[1]	CARRIER-WEIGHT
14.	8N-2662	[3]	BOLT-SOCKET HEAD
15.	4N-1723	[1]	SHIELD-CARRIER
16.	4N-0425	[3]	WEIGHT-GOVERNOR
17.	4N-0511	[3]	DOWEL
18.	4N-5482	[1]	SHAFT-WEIGHT CARRIAGE
19.	4N-9019	[1]	DOWEL
20.	9N-5822	[1]	WASHER-THRUST

Pos.	Part No	Qty	Parts name
1.	8N-5642 Y	[1]	GOV & FUEL INJ PUMP GP
2.	2M-5471	[2]	BOLT
3.	4N-8507	[1]	COVER
4.	6N-0509 Y	[1]	TORQUE CONTROL GP
5.	4F-7957	[4]	BOLT
6.	4N-0117	[1]	GASKET-SOLENOID
7.	4N-1591	[1]	COVER AS-SPRING
	6N-0411	[1]	COVER-TORQUE SPRING
	2P-3200	[1]	BOLT-WASHER HEAD
	1J-9671	[1]	SEAL-O-RING
8.	4B-2042	[1]	NUT
9.	8F-1326	[1]	WASHER
10.	1P-7326	[1]	WASHER
11.	6N-0412	[1]	SCREW AS-MACHINE
12.	3B-4501	[1]	LOCKWASHER
13.	3L-5987	[1]	COVER
	6L-5773	[1]	GASKET
14.	4N-0508	[1]	GASKET-COVER
15.	4N-0443	[1]	PIN-LOAD STOP
16.	9L-6508	[1]	SPRING (OUTER)
17.	4N-5663	[1]	SPRING (INNER)
18.	4N-0527	[1]	SPRING
	Y		SEPARATE ILLUSTRATION

Pos.	Part No	Qty	Parts name
1.	6N-9988 CY	[1]	SOLENOID GP-SHUT-OFF
2.	4N-9279	[1]	WIRE AS
3.	2W-1706 C	[1]	GASKET-SOLENOID
4.	4F-7957	[2]	BOLT
5.	030-6449 C	[1]	WIRE AS
6.	5P-5623 BD		WIRE (16 GA)
7.	2L-8076 C	[1]	TERMINAL
8.	2L-8077 C	[1]	TERMINAL
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE
	D		ORDER BY THE METER
	Y		SEPARATE ILLUSTRATION

Pos.	Part No	Qty	Parts name
1.	1P-6452	[2]	INSULATOR
2.	8M-9064	[1]	SHIM-SPRING
3.	4L-7124	[1]	BOLT
4.	4N-3882	[1]	CONTACT-STOP
5.	4N-3881	[1]	SCREW
6.	9M-1311	[1]	NUT-JAM
7.	4N-3884	[1]	WASHER-SPRING
8.	4N-3883	[1]	BAR-LOAD STOP
9.	4L-6458	[1]	NUT-FULL

Pos.	Part No	Qty	Parts name	Comments
1.	9L-6479	[1]	SPRING

Pos.	Part No	Qty	Parts name
1.	6N-9987 Y	[1]	SOLENOID GP-SHUT-OFF
2.	2W-1706 C	[1]	GASKET-SOLENOID
3.	030-6449	[1]	WIRE AS
4.	5P-5623 BD		WIRE (16 GA)
5.	2L-8076	[1]	TERMINAL
6.	2L-8077	[1]	TERMINAL
7.	4F-7957	[2]	BOLT
8.	1W-9070 C	[1]	DIODE AS
9.	9G-3186	[2]	TERMINAL-SPADE
	B		USE AS REQUIRED
	Y		SEPARATE ILLUSTRATION
	C		INDICATES CHANGE
	D		ORDER BY THE METER

Using The 6V4060 Engine Set Point Indicator Group{0781}
Using The 6V4060 Engine Set Point Indicator Group{0781}

"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}
"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}

Installation of Fuel Injection Pump and Governor Service Group{1286}
Installation of Fuel Injection Pump and Governor Service Group{1286}

Installation Of 5P4810 Bearing In Sleeve Metering Fuel Injection Pump Housing{1253}
Installation Of 5P4810 Bearing In Sleeve Metering Fuel Injection Pump Housing{1253}

Installation Of Short Block Group For 3208 Or Cylinder Block Service Group For 1100, 3100 And 3208 Engines{1201, 1203, 1286}
Installation Of Short Block Group For 3208 Or Cylinder Block Service Group For 1100, 3100 And 3208 Engines{1201, 1203, 1286}

Installation Of 8N628 Service Replacement Bearing For Rear Of Injection Pump Camshaft In Sleeve Metering Fuel Injection Pump Housing{1253}
Installation Of 8N628 Service Replacement Bearing For Rear Of Injection Pump Camshaft In Sleeve Metering Fuel Injection Pump Housing{1253}

Installation Of Governor Spring Guide{1264}
Installation Of Governor Spring Guide{1264}

Installation Of 8N628 Bearing{7551, 1253}
Installation Of 8N628 Bearing{7551, 1253}

Use Of FT1525 Alignment Pin, FT1526 Salvage Fixture And FT1698 Bearing Installation Tool For Reconditioning Of 3208 Governor Housings{1265, 1264}
Use Of FT1525 Alignment Pin, FT1526 Salvage Fixture And FT1698 Bearing Installation Tool For Reconditioning Of 3208 Governor Housings{1265, 1264}

Use Of 6V4068 Tool Group For Installation Of 9N5822 Thrust Washer{1253}
Use Of 6V4068 Tool Group For Installation Of 9N5822 Thrust Washer{1253}

Using the 6V7870 Fixture Group and 6V7872 Pliers{1250, 1251}
Using the 6V7870 Fixture Group and 6V7872 Pliers{1250, 1251}

Service Letter-NACD

The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits
The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits

Certain 9L9216 Plunger And Barrel Assemblies Need To Be Removed From Parts Stock
Certain 9L9216 Plunger And Barrel Assemblies Need To Be Removed From Parts Stock

Certain 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 And 1010060 Nozzles Assemblies Need To Be Removed From Parts Stock
Certain 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 And 1010060 Nozzles Assemblies Need To Be Removed From Parts Stock

The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits
The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits

Service Letter-Australia

The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits
The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits

Certain 9L9216 Plunger And Barrel Assemblies Need To Be Removed From Parts Stock
Certain 9L9216 Plunger And Barrel Assemblies Need To Be Removed From Parts Stock

Certain 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 And 1010060 Nozzles Assemblies Need To Be Removed From Parts Stock
Certain 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 And 1010060 Nozzles Assemblies Need To Be Removed From Parts Stock

The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits
The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits

Service Letter-CFEL

The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits
The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits

Certain 9L9216 Plunger And Barrel Assemblies Need To Be Removed From Parts Stock
Certain 9L9216 Plunger And Barrel Assemblies Need To Be Removed From Parts Stock

Certain 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 And 1010060 Nozzles Assemblies Need To Be Removed From Parts Stock
Certain 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 And 1010060 Nozzles Assemblies Need To Be Removed From Parts Stock

The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits
The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits

Service Letter-CSARL

The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits
The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits

Certain 9L9216 Plunger And Barrel Assemblies Need To Be Removed From Parts Stock
Certain 9L9216 Plunger And Barrel Assemblies Need To Be Removed From Parts Stock

Certain 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 And 1010060 Nozzles Assemblies Need To Be Removed From Parts Stock
Certain 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 And 1010060 Nozzles Assemblies Need To Be Removed From Parts Stock

The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits
The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits

Service Letter-Americas

The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits
The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits

Certain 9L9216 Plunger And Barrel Assemblies Need To Be Removed From Parts Stock
Certain 9L9216 Plunger And Barrel Assemblies Need To Be Removed From Parts Stock

Certain 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 And 1010060 Nozzles Assemblies Need To Be Removed From Parts Stock
Certain 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 And 1010060 Nozzles Assemblies Need To Be Removed From Parts Stock

The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits
The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits

Service Letter-Brazil

The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits
The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits

Certain 9L9216 Plunger And Barrel Assemblies Need To Be Removed From Parts Stock
Certain 9L9216 Plunger And Barrel Assemblies Need To Be Removed From Parts Stock

Certain 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 And 1010060 Nozzles Assemblies Need To Be Removed From Parts Stock
Certain 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 And 1010060 Nozzles Assemblies Need To Be Removed From Parts Stock

The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits
The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits

Service Letter-Truck/Ag/Marine

The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits
The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits

Certain 9L9216 Plunger And Barrel Assemblies Need To Be Removed From Parts Stock
Certain 9L9216 Plunger And Barrel Assemblies Need To Be Removed From Parts Stock

Certain 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 And 1010060 Nozzles Assemblies Need To Be Removed From Parts Stock
Certain 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 And 1010060 Nozzles Assemblies Need To Be Removed From Parts Stock

The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits
The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits

Specifications

Hydraulic Governor<BR> (8L9828)
4.5" BORE, V8 VEHICLE ENGINE (DIRECT INJECTION)

Fuel Injection Pump
3208 VEHICULAR ENGINE

Governor
3208 VEHICULAR ENGINE

Fuel Transfer Pump
3208 VEHICULAR ENGINE

Automatic Timing Advance Unit
3208 VEHICULAR ENGINE

Drive Gear For The Injection Pump
3208 VEHICULAR ENGINE

Service Letter-China

The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits
The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits

Certain 9L9216 Plunger And Barrel Assemblies Need To Be Removed From Parts Stock
Certain 9L9216 Plunger And Barrel Assemblies Need To Be Removed From Parts Stock

Certain 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 And 1010060 Nozzles Assemblies Need To Be Removed From Parts Stock
Certain 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 And 1010060 Nozzles Assemblies Need To Be Removed From Parts Stock

The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits
The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits

Service Letter-Asia

The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits
The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits

Certain 9L9216 Plunger And Barrel Assemblies Need To Be Removed From Parts Stock
Certain 9L9216 Plunger And Barrel Assemblies Need To Be Removed From Parts Stock

Certain 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 And 1010060 Nozzles Assemblies Need To Be Removed From Parts Stock
Certain 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 And 1010060 Nozzles Assemblies Need To Be Removed From Parts Stock

The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits
The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits

Service Letter-APD

The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits
The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits

Certain 9L9216 Plunger And Barrel Assemblies Need To Be Removed From Parts Stock
Certain 9L9216 Plunger And Barrel Assemblies Need To Be Removed From Parts Stock

Certain 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 And 1010060 Nozzles Assemblies Need To Be Removed From Parts Stock
Certain 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 And 1010060 Nozzles Assemblies Need To Be Removed From Parts Stock

The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits
The Fuel Injection Pumps Used On Certain Remanufactured 1160 And 3208 Engines Need To Be Inspected For Gummy Deposits

Disassembly and Assembly

Fuel Transfer Pump
225 EXCAVATOR ENGINE

Fuel Injection Pump Housing And Governor (Engines With Taper Drive for Fuel Injection Pump)
225 EXCAVATOR ENGINE

Fuel Injection Pump Housing And Governor (Engines With Bolt on Drive for Fuel Injection Pump)
225 EXCAVATOR ENGINE

Governor
225 EXCAVATOR ENGINE

Check Valve And Bypass Valve
SLEEVE METERING FUEL SYSTEM FOT 4.5" BORE V8 DIRECT INJECTIO

Fuel Injection Pumps
SLEEVE METERING FUEL SYSTEM FOT 4.5" BORE V8 DIRECT INJECTIO

Fuel Transfer Pump
SLEEVE METERING FUEL SYSTEM FOT 4.5" BORE V8 DIRECT INJECTIO

Fuel Injection Pump Housing And Governor
SLEEVE METERING FUEL SYSTEM FOT 4.5" BORE V8 DIRECT INJECTIO

Governor
SLEEVE METERING FUEL SYSTEM FOT 4.5" BORE V8 DIRECT INJECTIO

Fuel Injection Pump Housing
SLEEVE METERING FUEL SYSTEM FOT 4.5" BORE V8 DIRECT INJECTIO

Fuel Injection Pump Housing And Governor
SLEEVE METERING FUEL SYSTEM FOT 4.5" BORE V8 DIRECT INJECTIO

Service Magazine

Use The FT1525 Alignment Pin And FT1526 Fixture When Reconditioning Earlier 3208 Sleeve Metering Fuel Systems{0626,1264,1286}
1980/05/12

New Check Valve Used In Fuel Injection Pump Assembly{1251}
1980/05/26

1980 Caterpillar Remanufactured Products Catalog Is Now Available{0374}
1980/06/23

6V4163 Bit And 6V4164 Driver Now Available For Removal Of Bolts For Flyweight Carrier{0612,1264}
1981/02/23

6V2029 Fixture Group Available For Adjustment Of Air/Fuel Ratio Control {0626,1278,0652}
1981/03/23

Check All Settings When Fuel Injection Pump Group Is Installed{1286,1264,1251,1253}
1981/03/30

FT1632 Bolt Used During Removal Of Sleeve From Sleeve Metering Fuel System{0621,1251,1253}
1981/08/31

Thrust Washer Used In Pump Housing For Sleeve Metering Fuel System{1253,1286}
1981/08/31

Bent Lever For Fuel Shut-Off Solenoid Can Cause Low Engine Performance{1286,1259}
1982/02/01

New Gasket Used In Governor And Fuel Injection Pump Group{1259,1286}
1982/03/01

Make Set Point Measurements Easier With The 6V4060 Engine Set Point Indicator{0651}
1982/08/16

Modification Of 2P8315 Bracket Assembly{0652,1286}
1982/08/16

FT1698 Driver Can Be Used For Reconditioning Of Governor Housing{0626,0665,1264,1286}
1982/10/18

New Seal Used On Governor Control Shaft{1264,1265}
1982/11/22

Explanation Of Engine High Idle RPM And Correct Adjustment Of Engine Setpoint{1264}
1983/11/07

6V4163 Bit And 6V4164 Driver Now Available For Removal Of Bolts For Flyweight Carrier{0612,1264}
1983/12/05

Changes To Governor Control Group Help Prevent Control Cable Breakage{1265}
1984/02/20

New Fuel Injection Pumps, Fuel Injection Lines, Fuel Injection Nozzles, and Piston And Rod Groups Used On Some Engines{1000,1225,1251,1252,1254}
1984/08/13

Check Fuel Injection Nozzles In Overheated Engines{1254}
1985/09/02

Comparison Of Fuel Timing Tolerances For Field Settings{1250,1251,1281}
1985/10/28

Nylon Seals Used On Lockwire To Seal Critical Areas; Parts Service Seals Available For NACD Dealers{1257,1264}
1986/03/10

Improved Sleeve Bearing Used In Drive End Of Fuel Injection Pump Housing{1253}
1986/03/10

Incorrect Connection Of Battery Charger Can Open Circuit Breaker And Damage Woodward 2301 Governor Control{1400,1401,4450}
1986/03/24

Black Nylon Fuel Seals For Lockwire Available Only To NACD Dealers For Certain Customers{1257,1264}
1986/06/09

Changes Have Been Made To OT Microfiche (Fuel Setting And Related Information){1250,1251,1281}
1986/06/16

More Flexible Lockwire Used With Nylon Seals For Sealing Critical Areas{1257,1264}
1986/09/22

Nylon Seals Used On Lockwire To Seal Critical Areas; All Subsidiary Dealers Can Now Order Parts Service Seals {1257,1264}
1986/11/03

Drains In New Fuel Injection Pump Housing And Governor Housing Prevent Possible Corrosion And Freezing Damage{1286}
1977/03/07

Changes To The Injection Pump And The Fuel Setting{1251,1257}
1977/09/19

Use Correct Contact Point With Dial Indicator To Be Sure Of The Accuracy Of The Measurements Of Fuel Setting And Fuel Ratio Control Setting On Sleeve Metering Fuel Systems{0653,1250}
1977/09/26

Improved High Idle Display Of The 6V3100 And 8T5300/8T5301 Engine Timing Indicator Groups{0781}
1987/03/16

Orifice Reverse Flow Check Valve Used In Fuel Injection Pumps{1251,1254}
1987/11/23

Do Not Change Factory Fuel Or Speed Settings On Truck Engines Unless New Settings Are Certified Under Applicable EPA Regulations{0336,0337,1257}
1978/01/30

Do Not Use The 5B1401 Cleaning Tool Group To Clean The Orifice In Capsule-Type Fuel Injection Nozzles{0650,1254}
1978/04/24

Stronger Fuel Inlet Flanges Prevent Parts Damage And Keeps Air Out Of The Fuel System{1253}
1978/05/15

Improved Guide Pin For Fuel Injection Pump Lifters{1251}
1978/08/21

Use New 6V22 Tool Group To Make Replacement Of Worn Governor Spring Guides{0620}
1978/09/25

Modification To Rack Adjusting Tool Needed For Higher Rack Settings{0654,1257}
1978/10/16

A Washer With Closer Tolerances Is Now Used In The Governor And Fuel Pump Drive Group{1288,7462}
1978/11/20

Check Valve Added To Keep Air From Entering Fuel System {1264}
1988/10/03

New Sheet In Guard And Hood Group Protects Governor Control Cable From Heat {1265,7154}
1988/12/19

Improvements Made To Fuel Injection Pump And Governor Group{1253,1281,1286}
1979/03/05

Part Numbers Of Bearings To Use For Service Replacement In Fuel Injection Pump Housings For Sleeve Metering Fuel Systems; Correction To Special Instruction For Installation.{1253}
1979/05/07

9S8100 Tool Group Changed To Use With Fuel Transfer Pump Only{0622}
1979/05/28

Changes Made To 8S2243 And 8S4613 Wrenches Used On Fuel Injection Pumps{0612,1251}
1979/08/06

New Governor Housing Assembly Used In Governor And Fuel Injection Pump Group{1253,1264}
1979/08/27

Tee Handle Hexagonal Wrench In Rack Adjusting Tool Is Now Available For Parts Replacement
1979/09/10

Governor Springs For Sleeve Metering Fuel Systems {1264}
1990/05/21

New Throttle Shaft Bearing Sleeves Used In Governor Housing Assembly{1365}
1990/07/30

Dowel Hole Removed From 8N3946 Governor Housing Improves Service Life{1287}
1991/07/08

New Spring Used In Governor Control Groups{1265}
1992/04/20

Tamper Resistant Plugs And Tamper Resistant Bolts Used To Prevent Changes To Fuel Ratio Control (FRC) Setting{1278,1287}
1996/01/22

New Hold-Down Bolts For The Sleeve Metering Fuel System (SMFS) Governor Housing {1251}
1996/09/16

Improved Sleeve Metering Fuel System (SMFS) 8.5 mm (.34 in) Fuel Pump Plunger Eliminates Plunger And Sleeve Scuffing{1251}
1996/09/30

Improved Fuel Pump Plunger Helps Prevent Plunger And Sleeve Scuffing In Service 8.5 mm Fuel Injection Pump Assembly For Sleeve Metering Fuel System (SMFS) Governor And Fuel Injection Pump Groups{1251,1286}
1996/11/11

Part No	Qty	Parts name


6N-3749 Y	[1]	SOLENOID SHUT-OFF GROUP

		-OR-

9N-1068 Y	[1]	SOLENOID SHUT-OFF GROUP

		-OR-

6T-6121 Y	[1]	SOLENOID SHUT-OFF GROUP

		-OR-

7N-8883 Y	[1]	SOLENOID SHUT-OFF GROUP

		-OR-

6T-4750 Y	[1]	SOLENOID SHUT-OFF GROUP
Y		SEPARATE ILLUSTRATION

9Y0509 GOVERNOR & FUEL INJECTION PUMP GP-PART 4 OF 5 ENGINE S/N 79V15974-UP PART OF 9Y0502 & 9Y0512 GOVERNOR & FUEL INJECTION PUMPS 225

FUEL SYSTEM

9Y-0509: GOV & FUEL INJ PUMP GP

Parts for your 225 EXCAVATOR:

9Y-0509: GOV & FUEL INJ PUMP GP

Parts for your 225 EXCAVATOR:

8N-5652: GOV & FUEL INJ PUMP GP

Parts for your 225 EXCAVATOR:

9N-0683: SHUT-OFF GP-ELECTRICAL

Parts for your 225 EXCAVATOR:

6N-0509: TORQUE CONTROL GP

Parts for your 225 EXCAVATOR:

9N-1068: SOLENOID GP-SHUT-OFF

Parts for your 225 EXCAVATOR:

4N-9314: SHUT-OFF GP-ELECTRICAL

Parts for your 225 EXCAVATOR:

6N-9988: SOLENOID GP-SHUT-OFF

Parts for your 225 EXCAVATOR:

6N-9987: SOLENOID GP-SHUT-OFF

Parts for your 225 EXCAVATOR:

6N-9987: SOLENOID GP-SHUT-OFF

Parts for your 225 EXCAVATOR:

Information:

Caterpillar Parts SIS Catalog 225 :

Truck sale:

Part No	Qty	Parts name



7N-8884 Y	[1]	SOLENOID SHUT-OFF GROUP-24 VOLT

		-OR-

6T-4126 Y	[1]	SOLENOID SHUT-OFF GROUP-24 VOLT

		-OR-

6T-6122 Y	[1]	SOLENOID SHUT-OFF GROUP-24 VOLT
Y		SEPARATE ILLUSTRATION