398-7457 VALVE GP-PUMP CONTROL -FLOW COMPENSATOR PART OF 423-0097 PUMP GP-MAIN HYDRAULIC ALSO AN ATTACHMENT 305.5E2

HYDRAULIC SYSTEM

PUMP GP

0. 398-7457 VALVE GP-P

MOTOR GP

1. 470-9605 VALVE GP-R

IMPLEMENTS

BOOM GP

2. 455-0364 BOOM AR
3. 425-2720 BOOM GP

MOUNTING GP

4. 438-2592 BRACKET GP

LINES GP-GREASE

5. 102-3135 LINES GP-G

LINKAGE GP

6. 431-4506 LINKAGE AR
7. 333-6224 LINKAGE GP

STICK GP

8. 455-0421 STICK AR-H
9. 425-2810 STICK GP-H
0. INFORMATION

MINI HYD EXCAVATOR 305.5E2 MINI HYD EXCAVATOR WE2
305.5E2 Mini Hydraulic Excavator WE200001-UP (MACHINE) POWERED BY C2.4 Engine SEBP7625 305.5E2 WE2 (2015)

HYDRAULIC SYSTEM

PUMP GP

425-2961 PUMP & MTG GP-MAIN HYDRAULIC

423-0097 PUMP GP-MAIN HYDRAULIC

376-0900 ROTATING GP-PUMP

398-7457 VALVE GP-PUMP CONTROL

#SEBP76250210

398-7457: VALVE GP-PUMP CONTROL

VALVE GP-PUMP CONTROL

398-7457 VALVE GP-PUMP CONTROL -FLOW COMPENSATOR
PART OF 423-0097 PUMP GP-MAIN HYDRAULIC
ALSO AN ATTACHMENT

i04958263 SEBP7625

3987457 VALVE GP-PUMP CONTROL Parts scheme

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Parts for your 305.5E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8T-8442 M	[4]	BOLT-SOCKET HEAD (M6X1X30-MM)
2.	280-7870	[1]	GASKET
3.	6E-6528 J	[2]	SEAL
4.	9S-8002	[1]	PLUG (7/16-20-THD)
5.	3J-7354	[1]	SEAL-O-RING
6.	033-6043 J	[1]	SEAL-O-RING
7.	6V-6339 J	[1]	SEAL-O-RING
8.	213-9803	[1]	PLUG-ORIFICE

			AVAILABLE REPAIR KIT(S):
	293-8350 J	[1]	KIT-SEAL (FLOW COMPENSATOR)
			(ALSO INCLUDES O-RINGS & BACKUP RINGS)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART

#SEBP76250211

470-9605: VALVE GP-RELIEF

VALVE GP-RELIEF

470-9605 VALVE GP-RELIEF -SWING MOTOR
PART OF 467-3080 MOTOR GP-PISTON
ALSO AN ATTACHMENT

i06177693 SEBP7625

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Parts for your 305.5E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	095-1582 J	[1]	SEAL-O-RING
2.	095-1585 J	[1]	SEAL-O-RING
3.	095-1590 J	[1]	SEAL-O-RING
4.	095-1595 J	[1]	SEAL-O-RING
5.	095-1781 J	[2]	RING

			PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY

			AVAILABLE REPAIR KIT(S):
	J	[1]	KIT-SEAL
	J		KIT MARKED J SERVICES PART(S) MARKED J

#SEBP76250212

455-0364: BOOM AR

BOOM AR

455-0364 BOOM AR
PART OF 471-5650 COMMON AR
ALSO AN ATTACHMENT

i05879004 SEBP7625

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Parts for your 305.5E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
425-2720 Y	[1]	BOOM GP
425-2913 Y	[1]	CYLINDER GP-BOOM
431-4490 Y	[1]	GUARD GP-CYLINDER (BOOM)
425-2873 Y	[1]	LAMP GP-FLOOD (BOOM)
102-3135 Y	[1]	LINES GP-GREASE
Y		SEPARATE ILLUSTRATION

#SEBP76250213

425-2720: BOOM GP

BOOM GP

425-2720 BOOM GP
PART OF 455-0364 BOOM AR
ALSO AN ATTACHMENT

i05425708 SEBP7625

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Parts for your 305.5E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3B-8485	[2]	ELBOW
2.	093-0065 B	[1]	SHIM (1-MM THK)
	093-0097 B	[1]	SHIM (2-MM THK)
	133-2717 B	[2]	SHIM (0.5-MM THK)
3.	8T-4222	[3]	WASHER-PLATED (11X32X2.5-MM THK)
4.	093-1433	[2]	SEAL-LIP TYPE
5.	8T-4137 M	[4]	BOLT (M10X1.5X20-MM)
6.	150-5689 B	[3]	SHIM (1-MM THK)
	150-5699 B	[1]	SHIM (0.6-MM THK)
7.	7X-0632	[1]	WASHER-HARD (11X36X6-MM THK)
8.	211-9749 B	[2]	SHIM (1-MM THK)
	211-9750 B	[4]	SHIM (0.5-MM THK)
9.	438-2634	[1]	PIN AS
10.	392-6242	[1]	PIN AS
11.	425-2721	[1]	BOOM & BEARING AS
11A.	398-9801	[4]	BEARING
12.	425-2722	[1]	PIN AS
13.	438-2632	[1]	PIN AS
	B		USE AS REQUIRED
	M		METRIC PART

#SEBP76250214

438-2592: BRACKET GP-MOUNTING

BRACKET GP-MOUNTING

438-2592 BRACKET GP-MOUNTING
PART OF 471-5651 CHASSIS AR
ALSO AN ATTACHMENT

i05425752 SEBP7625

4382592 BRACKET GP-MOUNTING Parts scheme

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Parts for your 305.5E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	438-2593	[1]	BRACKET AS
2.	5P-1076	[4]	WASHER-HARD (13.5X30X4-MM THK)
3.	8T-4192 M	[4]	BOLT (M12X1.75X25-MM)
	M		METRIC PART

#SEBP76250215

102-3135: LINES GP-GREASE

LINES GP-GREASE

102-3135 LINES GP-GREASE
PART OF 455-0364 BOOM AR
ALSO AN ATTACHMENT

i04556674 SEBP7625

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Parts for your 305.5E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	115-2897 I	[1]	HOSE AS
2.	3B-8489	[1]	FITTING-GREASE (1/8-27 PTF)
	I		REFER TO HYDRAULIC INFORMATION SYSTEM

#SEBP76250216

431-4506: LINKAGE AR-BUCKET

LINKAGE AR-BUCKET

431-4506 LINKAGE AR-BUCKET
PART OF 471-5650 COMMON AR
ALSO AN ATTACHMENT

i05426542 SEBP7625

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Parts for your 305.5E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
425-2914 Y	[1]	CYLINDER GP-BUCKET
425-2973 Y	[1]	LINES GP-BUCKET CYLINDER
333-6224 Y	[1]	LINKAGE GP-BUCKET
Y		SEPARATE ILLUSTRATION

#SEBP76250217

333-6224: LINKAGE GP-BUCKET

LINKAGE GP-BUCKET

333-6224 LINKAGE GP-BUCKET
PART OF 431-4506 LINKAGE AR-BUCKET
ALSO AN ATTACHMENT

i04941233 SEBP7625

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Parts for your 305.5E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3B-8489	[3]	FITTING-GREASE (1/8-27 PTF)
2.	125-4641	[4]	SEAL-O-RING
3.	176-8464 B	[3]	SHIM (0.5-MM THK)
4.	176-8465 B	[6]	SHIM (1-MM THK)
6.	431-4523	[1]	LINK
7.	431-4524	[1]	LINK AS
8.	388-2824	[1]	LINK & BEARING AS
8A.	398-9804	[4]	BEARING
	093-1430	[6]	SEAL-LIP TYPE
9.	392-6244	[2]	PIN
10.	392-6245	[1]	PIN
11.	392-6246	[1]	PIN
13.	8T-4133 M	[4]	NUT (M10X1.5-THD)
15.	8T-4176 M	[2]	BOLT (M12X1.75X90-MM)
16.	8T-4244 M	[4]	NUT (M12X1.75-THD)
17.	8T-6685 M	[2]	BOLT (M10X1.5X110-MM)
	B		USE AS REQUIRED
	M		METRIC PART

#SEBP76250218

455-0421: STICK AR-HOE

STICK AR-HOE

455-0421 STICK AR-HOE
PART OF 471-5650 COMMON AR
ALSO AN ATTACHMENT

i05931590 SEBP7625

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Parts for your 305.5E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
455-0419 Y	[1]	CYLINDER GP-STICK
425-2970 Y	[1]	LINES GP-STICK
425-2810 Y	[1]	STICK GP-HOE
Y		SEPARATE ILLUSTRATION

#SEBP76250219

425-2810: STICK GP-HOE

STICK GP-HOE

425-2810 STICK GP-HOE
PART OF 455-0421 STICK AR-HOE
ALSO AN ATTACHMENT

i05423551 SEBP7625

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Parts for your 305.5E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3B-8489	[2]	FITTING-GREASE (1/8-27 PTF)
2.	093-1430	[4]	SEAL-LIP TYPE
3.	150-5689 B	[5]	SHIM (1-MM THK)
	150-5699 B	[2]	SHIM (0.6-MM THK)
4.	150-5697	[2]	SEAL-LIP TYPE
5.	8T-4222	[3]	WASHER-PLATED (11X32X2.5-MM THK)
6.	425-2811	[1]	STICK & BEARING AS
6A.	398-9802	[2]	BEARING
6B.	398-9803	[4]	BEARING
7.	438-2631	[1]	PIN AS
8.	438-2633	[1]	PIN AS
9.	438-2635	[1]	PIN AS
10.	176-8464 B	[1]	SHIM (0.5-MM THK)
	176-8465 B	[2]	SHIM (1-MM THK)
11.	8T-4137 M	[3]	BOLT (M10X1.5X20-MM)
	B		USE AS REQUIRED
	M		METRIC PART

Information:

HYDRAULIC SYSTEM

PUMP GP

Special Instruction

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}

Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}

Technical Information Bulletin

The Hydraulic Pump May Leak Oil From The Pump Shaft On Certain Mini Hydraulic Excavators {5070, 5073}
The Hydraulic Pump May Leak Oil From The Pump Shaft On Certain Mini Hydraulic Excavators {5070, 5073}

Specifications

Pump Control Valve
305.5E2 Mini Hydraulic Excavator Machine System Specifications

Main Hydraulic Pump
305.5E2 Mini Hydraulic Excavator Machine System Specifications

Main Hydraulic Pump Mounting
305.5E2 Mini Hydraulic Excavator Machine System Specifications

Systems Operation

Main Hydraulic Pump
305.5E2 Mini Hydraulic Excavator Hydraulic System

Pump Control (Main Hydraulic)
305.5E2 Mini Hydraulic Excavator Hydraulic System

Reuse And Salvage Guidelines

Vane Type Hydraulic Pumps {5055}
Vane Type Hydraulic Pumps {5055}

Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}

Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}

Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}

Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}

General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}

Testing and Adjusting

Main Hydraulic Pump Air - Purge
305.5E2 Mini Hydraulic Excavator Hydraulic System

Main Pump (Flow) - Test
305.5E2 Mini Hydraulic Excavator Hydraulic System

Swing Speed and Overswing on Level Ground - Check
305.5E2 Mini Hydraulic Excavator Hydraulic System

Swing Speed and Swing Drift on a Slope - Check
305.5E2 Mini Hydraulic Excavator Hydraulic System

Pump Control (Output Flow) - Adjust
305.5E2 Mini Hydraulic Excavator Hydraulic System

Cutoff Pressure (Main Pump) - Test and Adjust
305.5E2 Mini Hydraulic Excavator Hydraulic System

Bench Test Procedures

Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Gear Pumps {5073}

Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Vane Pumps {5055}

Bench Test Procedure for Hydraulic Piston Pumps {5070}
Bench Test Procedure for Hydraulic Piston Pumps {5070}

Disassembly and Assembly

Engine and Main Hydraulic Pump - Remove and Install
303.5E2 CR, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Engine Supplement

Service Magazine

New Dowel Pins in the Flywheel Housing Assembly Are Now Used on Certain Mini Hydraulic Excavators {1157, 5070}
New Dowel Pins in the Flywheel Housing Assembly Are Now Used on Certain Mini Hydraulic Excavators {1157, 5070}

Caterpillar Parts SIS Catalog 305.5E2 :

470-9642 VALVE GP-PILOT

467-3071 VALVE GP-PILOT

467-3066 VALVE GP-PILOT

417-1097 VALVE GP-PILOT

416-2292 VALVE GP-PILOT

398-7019 VALVE GP-PILOT

330-4626 VALVE GP-PILOT

470-9605 VALVE GP-RELIEF

455-0364 BOOM AR

425-2720 BOOM GP

438-2592 BRACKET GP-MOUNTING

102-3135 LINES GP-GREASE

431-4506 LINKAGE AR-BUCKET

333-6224 LINKAGE GP-BUCKET

455-0421 STICK AR-HOE