225-4523 CYLINDER GP-BOOM S/N NNF1-UP; MEN1-UP 160-MM (6.3-IN) BORE X 1575-MM (62-IN) STROKE PART OF 225-4522 CYLINDER & SEAL GP-BOOM AN ATTACHMENT 349D

HYDRAULIC SYSTEM

CYLINDER GP

0. 225-4523 CYLINDER G
1. 266-8087 CYLINDER G
2. 389-1041 CYLINDER G
3. 225-4529 CYLINDER G
4. 225-4532 CYLINDER G
5. 274-2456 CYLINDER G
6. 274-2459 CYLINDER G
7. 293-7678 CYLINDER G
8. 357-9784 CYLINDER G
9. 358-8503 CYLINDER G
0. INFORMATION

EXCAVATOR 349D EXCAVATOR MEN
349D & 349D L Excavators MEN00001-UP (MACHINE) POWERED BY C13 Engine SEBP5660 349D MEN (2011)

HYDRAULIC SYSTEM

CYLINDER GP

301-6876 CYLINDER AR-HYDRAULIC

301-6877 CYLINDER AR-HYDRAULIC

225-4523 CYLINDER GP-BOOM

266-8087 CYLINDER GP-BOOM

389-1041 CYLINDER GP-BOOM

225-4529 CYLINDER GP-BUCKET

#SEBP56600800

225-4523: CYLINDER GP-BOOM

CYLINDER GP-BOOM

225-4523 CYLINDER GP-BOOM
S/N NNF1-UP; MEN1-UP
160-MM (6.3-IN) BORE X 1575-MM (62-IN) STROKE
PART OF 225-4522 CYLINDER & SEAL GP-BOOM
AN ATTACHMENT

i02215388 SEBP5660

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Parts for your 349D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9X-3604 J	[1]	SEAL AS
2.	123-2112 M	[1]	LOCKNUT-SPECIAL (M90X2-THD)
3.	126-2084	[1]	STOP
4.	191-3128 J	[1]	RING-SEAL
5.	225-4617	[1]	CYLINDER AS
5A.	228-5620	[1]	BUSHING
6.	234-4463	[1]	ROD AS
6A.	235-7527	[1]	BUSHING
7.	7Y-4941 J	[1]	RING-BACKUP
8.	7Y-4944	[1]	RING-RETAINING
9.	358-8528	[1]	HEAD
10.	333-8687 J	[1]	SEAL-BUFFER
11.	165-9291 J	[1]	SEAL-LIP TYPE
12.	185-0230 J	[2]	RING
13.	185-0231 J	[1]	RING
14.	185-0232	[1]	PISTON
15.	087-5550 J	[1]	RING-BACKUP
16.	095-1635 J	[1]	SEAL-O-RING
17.	114-0762	[1]	BUSHING
18.	333-8688 J	[1]	SEAL-U-CUP
19.	7Y-5239 M	[8]	BOLT-SOCKET HEAD (M24X3X100-MM)

			AVAILABLE REPAIR KIT(S):
	376-4336 J	[1]	KIT-SEAL (CYLINDER)(BOOM CYLINDER)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP56600801

266-8087: CYLINDER GP-BOOM

CYLINDER GP-BOOM

266-8087 CYLINDER GP-BOOM
S/N NNF1-UP; MEN1-UP
160-MM (6.3-IN) BORE X 1575-MM (62.0-IN) STROKE
PART OF 266-8086 CYLINDER & SEAL GP-BOOM
AN ATTACHMENT

i02505086 SEBP5660

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Parts for your 349D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7Y-4941 J	[1]	RING-BACKUP
2.	506-2321 J	[1]	SEAL AS
3.	123-2112 M	[1]	LOCKNUT-SPECIAL (M90X2-THD)
4.	389-1066	[1]	STOP
5.	165-9291 J	[1]	SEAL-LIP TYPE
6.	185-0231 J	[1]	RING
7.	358-8527	[1]	PISTON
8.	191-3128 J	[1]	RING-SEAL
9.	381-0454	[1]	CYLINDER AS
9A.	228-5620	[1]	BUSHING
10.	389-1056	[1]	ROD AS
10A.	235-7527	[1]	BUSHING
11.	259-0734 J	[1]	SEAL-U-CUP
12.	266-7957 J	[1]	SEAL-BUFFER
13.	266-7960 J	[1]	SEAL-O-RING
14.	7Y-4944	[1]	RING-RETAINING
15.	358-8528	[1]	HEAD
16.	185-0230 J	[2]	RING
17.	087-5550 J	[1]	RING-BACKUP
18.	114-0762	[1]	BUSHING
19.	7Y-5239 M	[8]	BOLT-SOCKET HEAD (M24X3X100-MM)

			AVAILABLE REPAIR KIT(S):
	525-3507 J	[1]	KIT-SEAL (BOOM CYLINDER)
	J		KIT MARKED J SERVICES PARTS(S) MARKED J
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP56600802

389-1041: CYLINDER GP-BOOM

CYLINDER GP-BOOM

389-1041 CYLINDER GP-BOOM
S/N NNF1-UP; MEN1-UP
160-MM (6.3-IN) BORE X 1575-MM (62-IN) STROKE
PART OF 225-4522 CYLINDER & SEAL GP-BOOM
AN ATTACHMENT

i05581949 SEBP5660

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Parts for your 349D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	123-2112 M	[1]	LOCKNUT-SPECIAL (M90X2-THD)
2.	191-3128 J	[1]	RING-SEAL
3.	333-8687 J	[1]	SEAL-BUFFER
4.	358-8527	[1]	PISTON
5.	358-8528	[1]	HEAD
6.	381-0454	[1]	CYLINDER AS
6A.	228-5620	[1]	BUSHING
7.	389-1056	[1]	ROD AS
7A.	235-7527	[1]	BUSHING
8.	389-1066	[1]	STOP
9.	087-5550 J	[1]	RING-BACKUP
10.	095-1635 J	[1]	SEAL-O-RING
11.	114-0762	[1]	BUSHING
12.	165-9291 J	[1]	SEAL-LIP TYPE
13.	185-0230 J	[2]	RING
14.	185-0231 J	[1]	RING
15.	333-8688 J	[1]	SEAL-U-CUP
16.	7Y-4941 J	[1]	RING-BACKUP
17.	7Y-4944	[1]	RING-RETAINING
18.	7Y-5239 M	[8]	BOLT-SOCKET HEAD (M24X3X100-MM)
19.	506-2321 J	[1]	SEAL AS

			AVAILABLE REPAIR KIT(S):
	518-5139 J	[1]	KIT-SEAL (BOOM CYLINDER)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP56600803

225-4529: CYLINDER GP-BUCKET

CYLINDER GP-BUCKET

225-4529 CYLINDER GP-BUCKET
S/N NNF1-UP; MEN1-UP
160-MM (6.3-IN) BORE X 1356-MM (53.4-IN) STROKE
PART OF 225-4528 CYLINDER & SEAL GP-BUCKET
AN ATTACHMENT

i02212142 SEBP5660

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Parts for your 349D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	118-3936	[1]	CYLINDER AS
1A.	087-5533	[1]	BUSHING
2.	123-2112 M	[1]	LOCKNUT-SPECIAL (M90X2-THD)
3.	185-0230 J	[2]	RING
4.	9X-3604 J	[1]	SEAL AS
5.	185-0231 J	[1]	RING
6.	185-0232	[1]	PISTON
7.	095-1635 J	[1]	SEAL-O-RING
8.	087-5550 J	[1]	RING-BACKUP
9.	7Y-4944	[1]	RING-RETAINING
10.	114-0762	[1]	BUSHING
11.	333-8687 J	[1]	SEAL-BUFFER
12.	358-8528	[1]	HEAD
13.	7Y-5239 M	[8]	BOLT-SOCKET HEAD (M24X3X100-MM)
14.	333-8688 J	[1]	SEAL-U-CUP
15.	7Y-4941 J	[1]	RING-BACKUP
16.	165-9291 J	[1]	SEAL-LIP TYPE
17.	247-8904	[1]	ROD AS
17A.	087-5548	[1]	BUSHING

			AVAILABLE REPAIR KIT(S):
	333-8750 J	[1]	KIT-SEAL (BUCKET CYLINDER)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP56600804

225-4532: CYLINDER GP-BUCKET

CYLINDER GP-BUCKET

225-4532 CYLINDER GP-BUCKET
S/N NNF1-UP; MEN1-UP
170-MM (6.7-IN) BORE X 1396-MM (55-IN) STROKE
PART OF 225-4531 CYLINDER & SEAL GP-BUCKET
AN ATTACHMENT

i02210981 SEBP5660

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Parts for your 349D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	358-8521	[1]	HEAD
2.	7Y-4956 M	[1]	LOCKNUT (M90X2-THD)
3.	9X-3607 J	[1]	SEAL AS
4.	358-8514	[1]	ROD AS
4A.	4I-1520	[1]	BUSHING
5.	234-4516	[1]	CYLINDER AS
5A.	087-5379	[1]	BUSHING
6.	7Y-4941 J	[1]	RING-BACKUP
7.	7Y-4944	[1]	RING-RETAINING
8.	333-8687 J	[1]	SEAL-BUFFER
9.	165-9291 J	[1]	SEAL-LIP TYPE
10.	358-8525	[1]	PISTON
11.	191-5604 J	[2]	RING
12.	191-5605 J	[1]	RING
13.	095-1726 J	[1]	SEAL-O-RING
14.	114-0761	[1]	BUSHING
15.	333-8688 J	[1]	SEAL-U-CUP
16.	7Y-4945 J	[1]	RING-BACKUP
17.	7Y-5239 M	[8]	BOLT-SOCKET HEAD (M24X3X100-MM)

			AVAILABLE REPAIR KIT(S):
	333-8675 J		KIT-SEAL (BUCKET CYLINDER)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP56600805

274-2456: CYLINDER GP-BUCKET

CYLINDER GP-BUCKET

274-2456 CYLINDER GP-BUCKET
S/N NNF1-UP; MEN1-UP
160-MM (6.3-IN) BORE X 1356-MM (53.4-IN) STROKE
PART OF 274-2455 CYLINDER & SEAL GP-BUCKET
AN ATTACHMENT

i02505112 SEBP5660

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Parts for your 349D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9X-3604 J	[1]	SEAL AS
2.	118-3936	[1]	CYLINDER AS
2A.	087-5533	[1]	BUSHING
3.	165-9291 J	[1]	SEAL-LIP TYPE
4.	185-0231 J	[1]	RING
5.	185-0232	[1]	PISTON
6.	247-8904	[1]	ROD AS
6A.	087-5548	[1]	BUSHING
7.	259-0734 J	[1]	SEAL-U-CUP
8.	266-7957 J	[1]	SEAL-BUFFER
9.	266-7960 J	[1]	SEAL-O-RING
10.	7Y-4944	[1]	RING-RETAINING
11.	087-5551	[1]	HEAD
12.	123-2112 M	[1]	LOCKNUT-SPECIAL (M90X2-THD)
13.	185-0230 J	[2]	RING
14.	087-5550 J	[1]	RING-BACKUP
15.	114-0762	[1]	BUSHING
16.	7Y-4941 J	[1]	RING-BACKUP
17.	7Y-5239 M	[8]	BOLT-SOCKET HEAD (M24X3X100-MM)


			AVAILABLE REPAIR KIT(S):
	274-2460 J	[1]	KIT-SEAL (BUCKET CYLINDER)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP56600806

274-2459: CYLINDER GP-BUCKET

CYLINDER GP-BUCKET

274-2459 CYLINDER GP-BUCKET
S/N NNF1-UP; MEN1-UP
170-MM (6.7-IN) BORE X 1396-MM (54.9-IN) STROKE
PART OF 274-2458 CYLINDER & SEAL GP-BUCKET
AN ATTACHMENT

i02505171 SEBP5660

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Parts for your 349D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	358-8521	[1]	HEAD
2.	7Y-4941 J	[1]	RING-BACKUP
3.	7Y-4956 M	[1]	LOCKNUT (M90X2-THD)
4.	506-2322 J	[1]	SEAL AS
5.	165-9291 J	[1]	SEAL-LIP TYPE
6.	358-8525	[1]	PISTON
7.	191-5605 J	[1]	RING
8.	358-8504	[1]	CYLINDER AS
8A.	351-4760	[1]	CAP AS
9.	358-8514	[1]	ROD AS
9A.	4I-1520	[1]	BUSHING
10.	259-0734 J	[1]	SEAL-U-CUP
11.	266-7957 J	[1]	SEAL-BUFFER
12.	266-7961 J	[1]	SEAL-O-RING
13.	7Y-4944	[1]	RING-RETAINING
14.	191-5604 J	[2]	RING
15.	114-0761	[1]	BUSHING
16.	7Y-4945 J	[1]	RING-BACKUP
17.	7Y-5239 M	[8]	BOLT-SOCKET HEAD (M24X3X100-MM)

			AVAILABLE REPAIR KIT(S):
	519-7961 J	[1]	KIT-SEAL (BUCKET CYLINDER)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP56600807

293-7678: CYLINDER GP-BUCKET

CYLINDER GP-BUCKET

293-7678 CYLINDER GP-BUCKET
S/N NNF1-UP; MEN1-UP
160-MM (6.3-IN) BORE X 1356-MM (53.4-IN) STROKE
PART OF 300-1591 CYLINDER & SEAL GP-BUCKET
AN ATTACHMENT

i02932797 SEBP5660

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Parts for your 349D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9X-1386		SLEEVE (9-CM EACH)
2.	087-5551	[1]	HEAD
3.	102-2244	[1]	GROMMET
4.	165-9291 J	[1]	SEAL-LIP TYPE
5.	212-0907	[1]	PLATE-CONNECTOR
6.	214-1639	[1]	MAGNET
7.	217-8763	[1]	COVER-PROTECTION
8.	243-3177	[1]	RETAINER
9.	293-7688	[1]	ROD AS
9A.	087-5548	[1]	BUSHING
10.	293-7693	[1]	PISTON
11.	294-2963	[1]	SENSOR GP-POSITION (LINEAR)
	9X-3401	[3]	PIN-CONNECTOR (16-GA TO 18-GA)
12.	302-1762	[1]	CYLINDER AS
12A.	087-5533	[1]	BUSHING
12B.	095-0879	[1]	PIN-SPRING
13.	185-0230	[2]	RING
14.	087-5550 J	[1]	RING-BACKUP
15.	095-1280 M	[2]	SETSCREW-SOCKET (M16X2X20-MM)
16.	095-1635 J	[1]	SEAL-O-RING
17.	096-3201	[1]	RING
18.	114-0762	[1]	BUSHING
19.	128-9266 J	[1]	SEAL-BUFFER
20.	170-9865 J	[1]	SEAL-U-CUP
21.	188-2199	[1]	SEAL-O-RING
22.	215-1942	[1]	RING-BACKUP
23.	102-8804	[1]	KIT-RECEPTACLE (4-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
24.	3V-2431	[2]	WASHER (10.2X16X2-MM THK)
25.	6V-8223 M	[1]	SETSCREW-SOCKET (M10X1.5X16-MM)
26.	7Y-4941 J	[1]	RING-BACKUP
27.	7Y-4944	[1]	RING-RETAINING
28.	7Y-5239 M	[8]	BOLT-SOCKET HEAD (M24X3X100-MM)
29.	8T-8737	[1]	PLUG-SEAL
30.	8T-8894 M	[2]	BOLT-SOCKET HEAD (M10X1.5X20-MM)
31.	9X-3604 J	[1]	SEAL AS
	9X-3602	[1]	RING-SEAL
	9X-3603	[1]	RING-EXPANDER

			AVAILABLE REPAIR KIT(S):
	225-4625 J	[1]	KIT-SEAL (BUCKET CYLINDER)
			(ALSO INCLUDES RING & RING SEAL)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART

#SEBP56600808

357-9784: CYLINDER GP-BUCKET

CYLINDER GP-BUCKET

357-9784 CYLINDER GP-BUCKET
S/N NNF1-UP; MEN1-UP
160-MM (6.3-IN) BORE X 1356-MM (53.4-IN) STROKE
PART OF 357-9783 CYLINDER & SEAL GP-BUCKET
AN ATTACHMENT

i03972810 SEBP5660

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Parts for your 349D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	123-2112 M	[1]	LOCKNUT-SPECIAL (M90X2-THD)
2.	357-9785	[1]	CYLINDER AS
2A.	290-9182	[1]	BUSHING
3.	357-9794	[1]	ROD AS
3A.	087-5548	[1]	BUSHING
4.	358-8527	[1]	PISTON
5.	358-8528	[1]	HEAD
6.	087-5550 J	[1]	RING-BACKUP
7.	095-1635 J	[1]	SEAL-O-RING
8.	114-0762	[1]	BUSHING
9.	165-9291 J	[1]	SEAL-LIP TYPE
10.	185-0230 J	[2]	RING
11.	185-0231 J	[1]	RING
12.	333-8687 J	[1]	SEAL-BUFFER
13.	333-8688 J	[1]	SEAL-U-CUP
14.	7Y-4941 J	[1]	RING-BACKUP
15.	7Y-4944	[1]	RING-RETAINING
16.	7Y-5239 M	[8]	BOLT-SOCKET HEAD (M24X3X100-MM)
17.	506-2321 J	[1]	SEAL AS

			AVAILABLE REPAIR KIT(S):
	518-5136 J	[1]	KIT-SEAL (BUCKET CYLINDER)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP56600809

358-8503: CYLINDER GP-BUCKET

CYLINDER GP-BUCKET

358-8503 CYLINDER GP-BUCKET
S/N NNF1-UP; MEN1-UP
170-MM (6.7-IN) BORE X 1396-MM (55-IN) STROKE
PART OF 358-8502 CYLINDER & SEAL GP-BUCKET
AN ATTACHMENT

i04310941 SEBP5660

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Parts for your 349D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7Y-4941 J	[1]	RING-BACKUP
2.	7Y-4956 M	[1]	LOCKNUT (M90X2-THD)
3.	114-0761	[1]	BUSHING
4.	165-9291 J	[1]	SEAL-LIP TYPE
5.	358-8504	[1]	CYLINDER AS
5A.	087-5379	[1]	BUSHING
6.	358-8514	[1]	ROD AS
6A.	4I-1520	[1]	BUSHING
7.	358-8521	[1]	HEAD
8.	358-8525	[1]	PISTON
9.	095-1726 J	[1]	SEAL-O-RING
10.	191-5604 J	[2]	RING
11.	191-5605 J	[1]	RING
12.	333-8687 J	[1]	SEAL-BUFFER
13.	333-8688 J	[1]	SEAL-U-CUP
14.	7Y-4944	[1]	RING-RETAINING
15.	7Y-4945 J	[1]	RING-BACKUP
16.	7Y-5239 M	[8]	BOLT-SOCKET HEAD (M24X3X100-MM)
17.	506-2322 J	[1]	SEAL AS

			AVAILABLE REPAIR KIT(S):
	518-5135 J	[1]	KIT-SEAL (BUCKET CYLINDER)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE

Information:

HYDRAULIC SYSTEM

CYLINDER GP

Special Instruction

Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}

Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{7562}

Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}

Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}

Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}

Service Letter-NACD

PRODUCT SUPPORT PROGRAM FOR REPLACING THE STICK CYLINDER HEAD BOLTS ON CERTAIN 345, 349, 352 LARGE EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE STICK CYLINDER HEAD BOLTS ON CERTAIN 345, 349, 352 LARGE EXCAVATORS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER PISTON SEAL FOR THE BOOM, STICK, OR BUCKET ON CERTAIN 336D, 336D2, 336E, 336F, 340D, 340D2, 349D, 349D2, 349E, 349F, AND 352F EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER PISTON SEAL FOR THE BOOM, STICK, OR BUCKET ON CERTAIN 336D, 336D2, 336E, 336F, 340D, 340D2, 349D, 349D2, 349E, 349F, AND 352F EXCAVATORS

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Technical Information Bulletin

Low Cycle Cylinder Rod Breaks on Certain Excavators and Mobile Hydraulic Power Units{7562}
Low Cycle Cylinder Rod Breaks on Certain Excavators and Mobile Hydraulic Power Units{7562}

Bucket Cylinder Rod Breaking at the Rod Eye to Rod Transition Area on Certain 330D, 336D, 336E, 345D, 349D, and 349E Excavators{5457}
Bucket Cylinder Rod Breaking at the Rod Eye to Rod Transition Area on Certain 330D, 336D, 336E, 345D, 349D, and 349E Excavators{5457}

Specifications

Boom Lines - Long Reach Boom
345D, 349D and 349D2 Excavator Machine System Specifications

Boom Lines
345D, 349D and 349D2 Excavator Machine System Specifications

Boom Cylinder Lines
345D, 349D and 349D2 Excavator Machine System Specifications

Boom Lines - Drain and Reach Boom
345D, 349D and 349D2 Excavator Machine System Specifications

Counterweight Cylinder
345D, 349D and 349D2 Excavator Machine System Specifications

Bucket Cylinder
345D, 349D and 349D2 Excavator Machine System Specifications

Boom Cylinder Lines
345D, 349D and 349D2 Excavator Machine System Specifications

Bucket Cylinder
345D, 349D and 349D2 Excavator Machine System Specifications

Cylinder Guard
345D, 349D and 349D2 Excavator Machine System Specifications

Boom Cylinder
345D, 349D and 349D2 Excavator Machine System Specifications

Stick Cylinder
345D, 349D and 349D2 Excavator Machine System Specifications

Tool Operating Manual

Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}

1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}

Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}

4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}

Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}

Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}

Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}

Service Letter-China

Service Letter-Asia

Systems Operation

Cylinders (Boom, Stick and Bucket)
345D, 349D and 349D2 Excavators Hydraulic System

Reuse And Salvage Guidelines

Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}

Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}
Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}

Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}

Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}

Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}

Inspection and Salvage of Hydraulic Cylinder Components {7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}

Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}

Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}

HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}

Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}

Contamination Control Guidelines

Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}

Applied Failure Analysis

Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}

Service Letter-APD

Testing and Adjusting

Cylinder Drift - Check - Empty Bucket
345D, 349D and 349D2 Excavators Hydraulic System

Cylinder Speed - Check
345D, 349D and 349D2 Excavators Hydraulic System

Cylinder Drift - Check - Loaded Bucket
345D, 349D and 349D2 Excavators Hydraulic System

Relief Valve (Counterweight Cylinder) - Test and Adjust
345D, 349D and 349D2 Excavators Hydraulic System

Bench Test Procedures

Disassembly and Assembly

Bucket Cylinder - Remove and Install
345D, 349D and 349D2 Excavators and 345D MHPU and 349D MHPU Mobile Hydraulic Power Units Machine Systems

Boom Cylinder - Remove and Install
345D, 349D and 349D2 Excavators and 345D MHPU and 349D MHPU Mobile Hydraulic Power Units Machine Systems

Counterweight Cylinder - Remove and Install
345D, 349D and 349D2 Excavators and 345D MHPU and 349D MHPU Mobile Hydraulic Power Units Machine Systems

Stick Cylinder - Remove and Install
345D, 349D and 349D2 Excavators and 345D MHPU and 349D MHPU Mobile Hydraulic Power Units Machine Systems

Service Magazine

Procedure Now Available to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
2012/10/04

Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
2011/10/17

Service Limit of the Bushings At the Front Linkages Are Now Available on Certain Excavators {5456, 5457, 5458, 6060, 6301, 6302, 6460, 6501, 6502, 6516, 6521, 6535, 6536}
Service Limit of the Bushings At the Front Linkages Are Now Available on Certain Excavators {5456, 5457, 5458, 6060, 6301, 6302, 6460, 6501, 6502, 6516, 6521, 6535, 6536}

New Cylinder Head Bolts are Now Used on Certain Excavators {5456, 5457, 5458}
2015/04/08

New Bolts are Now Used for the Stick Cylinder Head on Certain Excavators {5458}
2015/09/25

A Procedure for Initial Cycling of Hydraulic Cylinders to Remove Air and Prevent Cylinder Dieseling is Now Being Used on Certain Excavators {5457}
A Procedure for Initial Cycling of Hydraulic Cylinders to Remove Air and Prevent Cylinder Dieseling is Now Being Used on Certain Excavators {5457}

Improved Cylinder Piston Seals Are Now Used on Certain Excavators and Mobile Hydraulic Power Units {5458}
Improved Cylinder Piston Seals Are Now Used on Certain Excavators and Mobile Hydraulic Power Units {5458}

Improved Cylinder Piston Seals Are Now Used on Certain Excavators and Mobile Hydraulic Power Units {5456, 5457, 5458}
Improved Cylinder Piston Seals Are Now Used on Certain Excavators and Mobile Hydraulic Power Units {5456, 5457, 5458}

Caterpillar Parts SIS Catalog 349D :

301-6877 CYLINDER AR-HYDRAULIC

301-6876 CYLINDER AR-HYDRAULIC

518-0753 CYLINDER & SEAL GP-STICK

358-8460 CYLINDER & SEAL GP-STICK

274-2452 CYLINDER & SEAL GP-STICK

266-8087 CYLINDER GP-BOOM

389-1041 CYLINDER GP-BOOM

225-4529 CYLINDER GP-BUCKET

225-4532 CYLINDER GP-BUCKET

274-2456 CYLINDER GP-BUCKET

274-2459 CYLINDER GP-BUCKET

293-7678 CYLINDER GP-BUCKET

357-9784 CYLINDER GP-BUCKET