261-9507 WIRING GP-SENSOR -LIFT, TILT POSITION S/N A7A1-UP CUSTOM PART OF 2Q-8761 LIFT AR 988H WHEEL LOADER

ELECTRICAL AND STARTING SYSTEM

WIRING GP

0. 261-9507 WIRING GP-
1. 163-3997 WIRING GP-

POWER TRAIN

AXLE GP

2. 137-8833 AXLE AR-FI
3. 137-8832 AXLE AR-OS
4. 137-8862 AXLE GP-FI
5. 137-8834 AXLE GP-OS

TRANSMISSION GP

6. 230-6317 CASE & PAR

CONTROL GP-TRANSMISSION HYD

7. 230-6318 CONTROL GP

COOLER GP

8. 257-7815 COOLER & F
9. 259-8449 COOLER AR-
0. INFORMATION

WHEEL LOADER 988H WHEEL LOADER A7A
988H Wheel Loader A7A00001-UP (MACHINE) POWERED BY C18 Engine SEBP5751 988H A7A (2011)

ELECTRICAL AND STARTING SYSTEM

WIRING GP

255-7139 WIRING GP-SENSOR

261-8025 WIRING GP-SENSOR

261-9507 WIRING GP-SENSOR

163-3997 WIRING GP-SHUTOFF

261-9434 COVER GP-ELECTRONICS BAY

#SEBP57510300

261-9507: WIRING GP-SENSOR

WIRING GP-SENSOR

261-9507 WIRING GP-SENSOR -LIFT, TILT POSITION
S/N A7A1-UP
CUSTOM
PART OF 2Q-8761 LIFT AR

i05800765 SEBP5751

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Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4V-1939	[12]	CLAMP
2.	107-4749	[6]	PLATE
3.	243-5499	[1]	PLATE AS
4.	261-9509	[1]	HARNESS AS-SENSOR (LIFT, TILT POSITION)
5.	115-3071	[1]	CLIP AS-CONNECTING (6-PIN)
6.	4D-7735	[1]	CLIP
7.	4D-7794	[4]	CLIP
8.	5P-9085	[1]	CLIP (LOOP)
9.	7X-2534 M	[2]	BOLT (M6X1X50-MM)
10.	8T-4121	[4]	WASHER-HARD (11X21X2.5-MM THK)
11.	8T-4137 M	[3]	BOLT (M10X1.5X20-MM)
12.	8T-4189 M	[1]	BOLT (M8X1.25X20-MM)
13.	8T-4136 M	[1]	BOLT (M10X1.5X25-MM)
14.	8T-4224	[1]	WASHER-HARD (8.8X16X2-MM THK)
15.	9X-2480 M	[10]	BOLT (M6X1X45-MM)
16.	9X-8256	[12]	WASHER (6.6X12X2-MM THK)
	M		METRIC PART

#SEBP57510301

163-3997: WIRING GP-SHUTOFF

WIRING GP-SHUTOFF

163-3997 WIRING GP-SHUTOFF -GROUND LEVEL
S/N A7A1-UP
PART OF 329-7442, 329-7443 BUMPER AR-REAR

i04489929 SEBP5751

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Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3E-5169	[1]	GUARD-SWITCH
2.	119-7837	[1]	PLATE
3.	124-7649	[1]	PLATE-INSTRUCTION (STAIRWAY LIGHT, SHUTDOWN)
4.	353-4515	[1]	SWITCH GP-TOGGLE (GROUND LEVEL ENGINE SHUTDOWN)
	102-8803	[1]	KIT-RECEPTACLE (3-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	8T-8729	[3]	PIN-CONNECTOR (16-GA TO 18-GA)
5.	301-2979	[1]	SWITCH GP-TOGGLE (STAIRWAY ACCESS LIGHTS)
	102-8804	[1]	KIT-RECEPTACLE (4-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	8T-8729	[3]	PIN-CONNECTOR (16-GA TO 18-GA)

#SEBP57510302

137-8833: AXLE AR-FIXED

AXLE AR-FIXED

137-8833 AXLE AR-FIXED -FRONT
S/N A7A1-UP
PART OF 225-5455 POWER TRAIN AR

i04455682 SEBP5751

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Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
137-8862 Y	[1]	AXLE GP-FIXED (FRONT)
161-9275 Y	[2]	BRAKE GP-SERVICE
137-8851 Y	[1]	DIFFERENTIAL & BEVEL GEAR GP
125-1358 Y	[1]	LINES GP-SERVICE BRAKE (AXLE, FRONT)
192-0822 Y	[2]	WHEEL & FINAL DRIVE GP
R		REMANUFACTURED PART MAY BE AVAILABLE
Y		SEPARATE ILLUSTRATION

#SEBP57510303

137-8832: AXLE AR-OSCILLATING

AXLE AR-OSCILLATING

137-8832 AXLE AR-OSCILLATING -REAR
S/N A7A1-UP
PART OF 225-5455 POWER TRAIN AR

i04444071 SEBP5751

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Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
137-8834 Y	[1]	AXLE GP-OSCILLATING (REAR)
161-9275 Y	[2]	BRAKE GP-SERVICE
137-8851 Y	[1]	DIFFERENTIAL & BEVEL GEAR GP
125-1355 Y	[1]	LINES GP-SERVICE BRAKE (AXLE, REAR)
192-0822 Y	[2]	WHEEL & FINAL DRIVE GP
R		REMANUFACTURED PART MAY BE AVAILABLE
Y		SEPARATE ILLUSTRATION

#SEBP57510304

137-8862: AXLE GP-FIXED

AXLE GP-FIXED

137-8862 AXLE GP-FIXED -FRONT
S/N A7A1-UP
PART OF 137-8833 AXLE AR-FIXED

i04456504 SEBP5751

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Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	137-8836	[2]	SHAFT-AXLE
2.	200-0820	[1]	HOUSING AS
	6M-1622	[2]	DOWEL
3.	164-4180	[2]	PLUG AS
			(EACH INCLUDES)
	9S-4181	[1]	PLUG (1-5/16-12-THD)
	7M-8485	[1]	SEAL-O-RING
4.	165-4929	[1]	PLUG AS-MAGNETIC
	5P-4484	[1]	PLUG-MAGNETIC
	7M-8485	[1]	SEAL-O-RING
5.	1T-0479	[2]	RING-RETAINING
6.	173-9684 M	[50]	BOLT (M24X3X100-MM)
7.	5P-6604	[50]	WASHER-HARD (25.4X40X5-MM THK)
	M		METRIC PART

#SEBP57510305

137-8834: AXLE GP-OSCILLATING

AXLE GP-OSCILLATING

137-8834 AXLE GP-OSCILLATING -REAR
S/N A7A1-UP
PART OF 137-8832 AXLE AR-OSCILLATING

i04456496 SEBP5751

1378834 AXLE GP-OSCILLATING Parts scheme

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Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	222-1549	[1]	HOUSING-AXLE
2.	9M-6097	[3]	SEAL-O-RING
3.	220-6043	[2]	BUSHING
4.	331-6210	[1]	SUPPORT-TRUNNION
5.	2D-6533	[1]	SEAL-O-RING
6.	5S-0085	[2]	BEARING-THRUST
7.	164-4175	[1]	PLATE-THRUST
8.	164-4156	[1]	COVER
9.	137-8836	[2]	SHAFT-AXLE
10.	1K-6853	[2]	FITTING-PRESSURE RELIEF
11.	5P-6604	[50]	WASHER-HARD (25.4X40X5-MM THK)
12.	9S-4181	[1]	PLUG (1-5/16-12-THD)
13.	7M-8485	[3]	SEAL-O-RING
14.	5P-4484	[1]	PLUG-MAGNETIC
15.	173-9684 M	[50]	BOLT (M24X3X100-MM)
16.	6M-1622	[4]	DOWEL
17.	1T-0479	[2]	RING-RETAINING
18.	119-4258	[1]	RETAINER-BEARING
19.	209-6694	[1]	TRUNNION
20.	160-8510 M	[54]	BOLT-SELF-LOCKING (M20X2.5X60-MM)
21.	8T-3282	[54]	WASHER-HARD (22X35X3.5-MM THK)
22.	331-6206	[1]	SUPPORT-TRUNNION
23.	8T-0441 M	[12]	BOLT (M10X1.5X45-MM)
24.	8T-4121	[12]	WASHER-HARD (11X21X2.5-MM THK)
25.	9S-4205	[1]	PLUG
	M		METRIC PART

#SEBP57510306

230-6317: CASE & PARTS GP-PLANETARY

CASE & PARTS GP-PLANETARY

230-6317 CASE & PARTS GP-PLANETARY
S/N WLD1-UP; DRT1-UP
PART OF 230-6315, 261-0667 TRANSMISSION AR

i04456531 SEBP5751

2306317 CASE & PARTS GP-PLANETARY Parts scheme

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Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	231-5295	[1]	CASE AS-TRANSMISSION
	1A-2223	[2]	DOWEL
2.	0S-1587	[2]	BOLT (1/2-13X1.75-IN)
3.	5P-2587	[1]	SEAL-O-RING
4.	5P-8245	[2]	WASHER-HARD (13.5X25.5X3-MM THK)
5.	1U-8846 B		SEALANT-GASKET
	B		USE AS REQUIRED

#SEBP57510307

230-6318: CONTROL GP-TRANSMISSION HYD

CONTROL GP-TRANSMISSION HYD

230-6318 CONTROL GP-TRANSMISSION HYD
S/N WLD1-UP; DRT1-UP
PART OF 230-6315, 261-0667 TRANSMISSION AR

i04456533 SEBP5751

2306318 CONTROL GP-TRANSMISSION HYD Parts scheme

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Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3S-2093 C	[8]	STRAP-CABLE
2.	6D-7889	[6]	SEAL-O-RING
3.	6V-0852	[6]	CAP-DUST
4.	118-7226	[1]	SENSOR GP-TEMPERATURE (TRANSMISSION OIL)
5.	125-2706	[1]	PLATE AS
6.	145-9959	[1]	BRACKET AS
7.	231-3529	[1]	HARNESS AS-TRANSMISSION (CONTROL)
	155-2260	[1]	KIT-CONNECTING PLUG (3-PIN)
	155-2255	[1]	KIT-CONNECTING PLUG (12-PIN)
	155-2270	[8]	KIT-CONNECTING PLUG (2-PIN)
	155-2274	[1]	KIT-CONNECTING PLUG (6-PIN)
			(EACH PLUG KIT INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
8.	231-4779	[1]	COVER
9.	231-4780	[6]	SLEEVE
10.	231-8900	[1]	TUBE AS
11.	470-8492	[1]	GASKET
12.	244-3114 Y	[6]	VALVE GP-MODULATING (24-VOLT)(TRANSMISSION CLUTCH)
13.	295-1145 CY	[1]	VALVE GP-TRANSMISSION CONTROL
14.	124-0174	[1]	CLIP (LOOP)
15.	130-5300	[3]	CLIP
16.	132-5789 C	[5]	CLIP (LADDER)
17.	164-6877	[1]	ELBOW AS
	3J-1907	[1]	SEAL-O-RING
	030-7947	[1]	ELBOW
18.	165-4930	[1]	TEE AS
	3J-1907	[1]	SEAL-O-RING
	6M-6853	[1]	TEE-O-RING
19.	3J-1907	[1]	SEAL-O-RING
20.	5P-6718	[12]	SEAL-O-RING
21.	6K-9194	[1]	ELBOW
22.	6V-3303 M	[4]	BOLT (M16X2X60-MM)
23.	6V-5839 C	[15]	WASHER (11X21X2.5-MM THK)
24.	6V-5842 M	[16]	BOLT (M10X1.5X40-MM)
25.	7B-1597	[1]	CLIP
26.	8T-4121 C	[3]	WASHER-HARD (11X21X2.5-MM THK)
27.	8T-4136 CM	[1]	BOLT (M10X1.5X25-MM)
28.	8T-4137 M	[2]	BOLT (M10X1.5X20-MM)
29.	8T-4994	[1]	WASHER-HARD (20X36.5X3.5-MM THK)
30.	8T-6869 M	[12]	BOLT (M8X1.25X60-MM)
31.	8T-9397	[1]	BOLT (3/4-10X1.25-IN)
32.	9M-1974 C	[12]	WASHER-HARD (8.8X16X2-MM THK)
33.	9X-8268	[4]	WASHER (17.5X30X3.5-MM THK)
	C		CHANGE FROM PREVIOUS TYPE
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP57510308

257-7815: COOLER & FAN GP-AXLE OIL

COOLER & FAN GP-AXLE OIL

257-7815 COOLER & FAN GP-AXLE OIL
S/N A7A1-UP
PART OF 257-7805 COOLER GP-AXLE OIL

i04482969 SEBP5751

2577815 COOLER & FAN GP-AXLE OIL Parts scheme

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Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6S-6251	[4]	MOUNT
2.	9T-5134	[1]	VALVE-CHECK (AXLE OIL COOLER FILTER BYPASS)
3.	138-2237	[1]	SHROUD AS
4.	138-2238	[1]	GUARD AS
5.	138-2239 Y	[1]	FAN GP-SUCTION (AXLE OIL COOLER)
6.	173-6706	[1]	BAR
7.	173-6753	[1]	CORE AS-AXLE OIL COOLER
8.	176-6448 Y	[1]	VALVE GP-CHECK (AXLE OIL COOLER FILTER BYPASS)
9.	178-1602	[1]	MOTOR GP-GEAR (AXLE OIL COOLER FAN)
10.	194-1497	[1]	TEE AS
	3D-2824	[1]	SEAL-O-RING
	6V-9746	[1]	SEAL-O-RING
	8T-8900	[1]	TEE-O-RING PORT
11.	202-3702	[2]	ELBOW AS
			(EACH INCLUDES)
	3D-2824	[1]	SEAL-O-RING
	6V-9007	[1]	ELBOW
	6V-9746	[1]	SEAL-O-RING
12.	216-4884	[2]	BRACKET AS
13.	216-4889	[1]	SUPPORT AS
14.	230-3633 Y	[2]	FILTER GP-OIL (FUEL)(AXLE OIL COOLER)
15.	246-4547	[1]	TUBE AS
16.	246-4548	[1]	TUBE AS
17.	246-4552	[1]	BRACKET
18.	246-4553	[2]	PLATE
19.	257-7809	[1]	TUBE AS
20.	291-4392	[1]	TUBE AS
21.	291-4397	[1]	TUBE AS
22.	301-0104	[1]	TUBE AS
23.	301-0105	[1]	TUBE AS
24.	8E-9733 I	[1]	HOSE AS
25.	148-8326	[1]	CONNECTOR AS
	3J-7354	[1]	SEAL-O-RING
	6V-8397	[1]	SEAL-O-RING
	6V-9872	[1]	CONNECTOR
26.	148-8335	[1]	CONNECTOR AS
	5K-9090	[1]	SEAL-O-RING
	6V-8635	[1]	CONNECTOR
	7M-8485	[1]	SEAL-O-RING
27.	148-8339	[1]	CONNECTOR AS
	6V-8716	[1]	CONNECTOR (STRAIGHT)
	6V-9746	[1]	SEAL-O-RING
	7M-8485	[1]	SEAL-O-RING
28.	148-8352	[1]	ELBOW AS
	5K-9090	[1]	SEAL-O-RING
	6V-9854	[1]	ELBOW (SWIVEL)
29.	148-8360	[1]	ELBOW AS
	6V-9182	[1]	ELBOW
	6V-9746	[1]	SEAL-O-RING
	7M-8485	[1]	SEAL-O-RING
30.	148-8362	[2]	ELBOW AS
			(EACH INCLUDES)
	3D-2824	[1]	SEAL-O-RING
	5K-9090	[1]	SEAL-O-RING
	8T-6684	[1]	ELBOW
31.	148-8376	[3]	ELBOW AS
			(EACH INCLUDES)
	6V-8983	[1]	ELBOW
	6V-9746	[2]	SEAL-O-RING
32.	148-8417	[1]	REDUCER AS
	6V-8397	[1]	SEAL-O-RING
	6V-8941	[1]	REDUCER
33.	148-8442	[2]	TEE AS
			(EACH INCLUDES)
	6V-9746	[2]	SEAL-O-RING
	7M-8485	[1]	SEAL-O-RING
	8T-1685	[1]	TEE
34.	150-4049	[1]	ELBOW AS
	6V-9746	[1]	SEAL-O-RING
	7M-8485	[1]	SEAL-O-RING
	8T-4149	[1]	ELBOW
35.	155-7328	[1]	ELBOW AS
	5P-7701	[1]	SEAL-O-RING
	6V-9008	[1]	ELBOW
	8C-3093	[1]	SEAL-O-RING
36.	2H-3926	[3]	LOCKWASHER
37.	2P-1293	[3]	LOCKNUT (1-3/16-12-THD)
38.	5P-1076	[4]	WASHER-HARD (13.5X30X4-MM THK)
39.	5P-4116	[8]	WASHER-HARD (8.8X20.5X2-MM THK)
40.	7X-0618	[4]	WASHER-HARD (13.5X40X5-MM THK)
41.	7X-7729	[8]	WASHER (11X25X3-MM THK)
42.	8T-4121	[10]	WASHER-HARD (11X21X2.5-MM THK)
43.	8T-4136 M	[16]	BOLT (M10X1.5X25-MM)
44.	8T-4139 M	[8]	BOLT (M12X1.75X30-MM)
45.	8T-4183 M	[2]	BOLT (M12X1.75X40-MM)
46.	8T-4189 M	[8]	BOLT (M8X1.25X20-MM)
47.	8T-4194 M	[4]	BOLT (M12X1.75X50-MM)
48.	101-7404 M	[2]	BOLT-SOCKET HEAD (M10X1.5X30-MM)
49.	8T-4223	[6]	WASHER-HARD (13.5X25.5X3-MM THK)
50.	8T-4224	[1]	WASHER-HARD (8.8X16X2-MM THK)
51.	8T-7547 M	[1]	BOLT (M8X1.25X30-MM)
52.	9X-6580	[1]	NUT (1-3/16-12-THD)
53.	5P-5755 D		SEAL (0.5-M)
53A.	5P-5755 D		SEAL (0.6-M)
54.	5P-5639 D		SEAL (0.7-M)
54A.	5P-5639 D		SEAL (0.6-M EACH)
	D		ORDER BY THE METER
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP57510309

259-8449: COOLER AR-AXLE OIL

COOLER AR-AXLE OIL

259-8449 COOLER AR-AXLE OIL
S/N A7A1-UP
PART OF 441-9891 CONFIGURATION AR, 441-9890, 443-0025 CONVERSION AR-MACHINE, 379-3389 DISTRIBUTION AR, 457-3748 OPTION AR-ENGINE

i04477966 SEBP5751

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Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
257-7805 Y	[1]	COOLER GP-AXLE OIL
315-8930 Y	[1]	LINES GP-AXLE OIL COOLER (FRONT)
345-3960 Y	[1]	LINES GP-AXLE OIL COOLER (REAR)
246-4555 Y	[1]	LINES GP-AXLE OIL COOLER FAN
Y		SEPARATE ILLUSTRATION

Information:

ELECTRICAL AND STARTING SYSTEM

WIRING GP

Operation and Maintenance Manual

Battery or Battery Cable - Inspect/Replace
988H Wheel Loader

Circuit Breakers - Reset
988H Wheel Loader

Battery Disconnect Switch
988H Wheel Loader

Fuses - Replace
988H Wheel Loader

Special Instruction

Cross-Reference for Electrical Connectors {7553}
Cross-Reference for Electrical Connectors {7553}

Circuit Breaker Harness Assembly {1420}
Circuit Breaker Harness Assembly {1420}

Guidelines for Routing and Installing Wire Harness Assemblies {1408, 7553}
Guidelines for Routing and Installing Wire Harness Assemblies {1408, 7553}

Repair Procedure for Damaged Harness Wiring {1408}
Repair Procedure for Damaged Harness Wiring {1408}

Installation Procedure for Product Link PL421 Retrofit{7606}
Installation Procedure for Product Link PL421 Retrofit{7606}

Installation Procedure for the 192-7805 Seat Compressor Harness{1408, 7312, 7324}
Installation Procedure for the 192-7805 Seat Compressor Harness{1408, 7312, 7324}

DRCP Connector Repair Service Instruction {1408, 7553}
DRCP Connector Repair Service Instruction {1408, 7553}

Procedure for Installing Case Drain Monitoring System Is Now Available for Certain 988H Large Wheel Loaders {1408, 5057, 5091, 5264, 7490, 7610, 7620}
Procedure for Installing Case Drain Monitoring System Is Now Available for Certain 988H Large Wheel Loaders {1408, 5057, 5091, 5264, 7490, 7610, 7620}

Procedure to Service Boot on the Single Axis Lever (SAL) Handle Control Group of Certain Cat® Products {5063, 5705, 5734}
Procedure to Service Boot on the Single Axis Lever (SAL) Handle Control Group of Certain Cat^® Products {5063, 5705, 5734}

Technical Information Bulletin

Wrong Resistor May be Installed into 176-9668 Instrument Console Gp on Certain Excavators and Wheel Loaders {1408, 1437, 6129}
Wrong Resistor May be Installed into 176-9668 Instrument Console Gp on Certain Excavators and Wheel Loaders {1408, 1437, 6129}

Specifications

Electrical Ground Stud
C15 and C18 Engines for Caterpillar Built Machines

Temperature Sensor (Axle Oil)
988H Wheel Loader Power Train

STIC Control
988H Wheel Loader Power Train

Pressure Switch (Brake Accumulator Charge)
988H Wheel Loader Braking System

Pressure Sensor (Lift Cylinder Head End Oil) (Lift Cylinder Rod End Oil)
988H Wheel Loader Electrohydraulic System

Pressure Sensor (Automatic Lubrication)
988H, 988K, 990H, 990K, 992G, 992K, 993K, and 994K Wheel Loaders, and 854K Wheel Dozers Automatic Lubrication System (Hydraulic Actuated System)

Pressure Sensor (Implement Pump Oil)
988H Wheel Loader Electrohydraulic System

Temperature Sensor (Hydraulic Oil)
988H Wheel Loader Electrohydraulic System

Temperature Sensor (Torque Converter Oil) (Transmission Lubrication Oil)
988H Wheel Loader Power Train

Speed Sensor (Torque Converter Output)
988H Wheel Loader Power Train

Electronic Control Wiring Group
C15 and C18 Engines for Caterpillar Built Machines

Tool Operating Manual

Using the U5MK1110 Ampseal Connector Kit for Wiring Harness Repairs on Perkins Engines{0374, 0599, 0701, 0709}
Using the U5MK1110 Ampseal Connector Kit for Wiring Harness Repairs on Perkins Engines{0374, 0599, 0701, 0709}

Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}
Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}

Systems Operation

Senders
Caterpillar Monitoring System

Switches
Caterpillar Monitoring System

Sensors
Caterpillar Monitoring System