225-8031 PIN GP-GRAPPLE S/N 3KZ1-UP PART OF 224-3307 GRAPPLE AR AN ATTACHMENT 525B WHEEL SKIDDER

WORK TOOLS

GRAPPLE GP

0. 225-8031 PIN GP-GRA
1. 267-4634 PLATE-ARCH
2. 267-4635 PLATE-ARCH
3. 267-6602 PLATE-ARCH
4. 270-3297 PLATE-ARCH

HYDRAULIC SYSTEM

PUMP GP

5. 143-2072 PUMP & MTG
6. 143-2072 PUMP & MTG

WORK TOOLS

RETRIEVAL DEVICE GP-HYDRAULIC

7. 208-7618 RETRIEVAL

GRAPPLE GP

8. 161-6641 ROLLER GP-
9. 225-9457 ROTATOR GP
0. INFORMATION

WHEEL SKIDDER 525B WHEEL SKIDDER 3KZ
525B Wheel Skidder 3KZ00001-UP (MACHINE) POWERED BY 3126 Engine SEBP3096 525B 3KZ (1998)

WORK TOOLS

GRAPPLE GP

134-2434 KING POST GP

238-2939 KING POST GP

225-8031 PIN GP-GRAPPLE

267-4634 PLATE-ARCH REPAIR

267-4635 PLATE-ARCH REPAIR

267-6602 PLATE-ARCH REPAIR

#SEBP30960800

225-8031: PIN GP-GRAPPLE

PIN GP-GRAPPLE

225-8031 PIN GP-GRAPPLE
S/N 3KZ1-UP
PART OF 224-3307 GRAPPLE AR
AN ATTACHMENT

i01790138 SEBP3096

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Parts for your 525B WHEEL SKIDDER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	209-7194	[2]	GUARD
2.	224-3362	[8]	PIN AS
			(EACH INCLUDES)
		[1]	PLATE
3.	224-3386	[2]	PIN AS
			(EACH INCLUDES)
		[1]	PLATE
4.	225-0287	[10]	SPACER (22X31X12-MM THK)
5.	8T-4179 M	[8]	BOLT (M12X1.75X20-MM)
6.	8T-4223	[8]	WASHER-HARD (13.5X25.5X3-MM THK)
7.	8T-5439	[10]	WASHER-HARD (21.5X45X6-MM THK)
8.	8T-5460 M	[10]	BOLT (M20X2.5X40-MM)
	M		METRIC PART

#SEBP30960801

267-4634: PLATE-ARCH REPAIR

PLATE-ARCH REPAIR

267-4634 PLATE-ARCH REPAIR
S/N 3KZ1-UP
FOR USE WITH @@@@@224-3307@@@@@
FIELD INSTALLATION

i02291659 SEBP3096

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Parts for your 525B WHEEL SKIDDER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments
			(NO SERVICED PARTS)

#SEBP30960802

267-4635: PLATE-ARCH REPAIR

PLATE-ARCH REPAIR

267-4635 PLATE-ARCH REPAIR
S/N 3KZ1-UP
FOR USE WITH @@@@@224-3307@@@@@
FIELD INSTALLATION

i02291661 SEBP3096

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Parts for your 525B WHEEL SKIDDER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments
			(NO SERVICED PARTS)

#SEBP30960803

267-6602: PLATE-ARCH REPAIR

PLATE-ARCH REPAIR

267-6602 PLATE-ARCH REPAIR
S/N 3KZ1-UP
FIELD INSTALLATION

i02292071 SEBP3096

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Parts for your 525B WHEEL SKIDDER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments
			(NO SERVICED PARTS)

#SEBP30960804

270-3297: PLATE-ARCH REPAIR

PLATE-ARCH REPAIR

270-3297 PLATE-ARCH REPAIR
S/N 3KZ1-UP
FOR USE WITH @@@@@224-3307@@@@@
FIELD INSTALLATION

i02291665 SEBP3096

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Parts for your 525B WHEEL SKIDDER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments
			(NO SERVICED PARTS)

#SEBP30960805

143-2072: PUMP & MTG GP-WINCH

PUMP & MTG GP-WINCH

143-2072 PUMP & MTG GP-WINCH
S/N 3KZ1-487
PART OF 169-4372, 169-4373, 196-4913 WINCH AR-SKIDDER
AN ATTACHMENT

i00934665 SEBP3096

1432072 PUMP & MTG GP-WINCH Parts scheme

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Parts for your 525B WHEEL SKIDDER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	100-5151	[1]	COUPLING-SHAFT
2.	Y	[1]	PUMP GP-GEAR
3.	7X-0575	[2]	WASHER-HARD (10.2X22.5X5-MM THK)
4.	8C-3089	[1]	SEAL-O-RING
5.	9B-7237	[2]	BOLT (3/8-16X1.25-IN)
	Y		SEPARATE ILLUSTRATION

#SEBP30960806

143-2072: PUMP & MTG GP-WINCH

PUMP & MTG GP-WINCH

143-2072 PUMP & MTG GP-WINCH
S/N 3KZ1-UP
PART OF 220-0481, 220-0482 WINCH AR, 169-4372, 169-4373, 196-4913 WINCH AR-SKIDDER
AN ATTACHMENT

i01533098 SEBP3096

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Parts for your 525B WHEEL SKIDDER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	100-5151	[1]	COUPLING-SHAFT
2.	202-0893 C	[1]	PUMP GP-GEAR
3.	7X-0575	[2]	WASHER-HARD (10.2X22.5X5-MM THK)
4.	8C-3089	[1]	SEAL-O-RING
5.	9B-7237	[2]	BOLT (3/8-16X1.25-IN)
	C		CHANGE FROM PREVIOUS TYPE

#SEBP30960807

208-7618: RETRIEVAL DEVICE & MTG GP-HYD

RETRIEVAL DEVICE & MTG GP-HYD

208-7618 RETRIEVAL DEVICE & MTG GP-HYD
S/N 3KZ1-UP
FOR USE WITH 205-7400 GRAPPLE AR-SWING, 205-5265 COVER GP-FRAME
AN ATTACHMENT

i01545474 SEBP3096

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Parts for your 525B WHEEL SKIDDER:

CATERPILLAR SIS

Part No	Qty	Parts name
6B-9194	[4]	BOLT (1-14X3-IN)
128-1199 Y	[1]	CONTROL GP-HYD RETRVL DEVICE
133-8694	[2]	FILM-NOTICE (RETRIEVAL DEVICE)
143-5610 Y	[1]	LINES GP-SWING & HRD CONTROL
2K-7471	[4]	LOCKNUT (1-14-THD)
134-1523	[1]	RETRIEVAL DEVICE GP-HYDRAULIC
5P-8250	[8]	WASHER (28X49X5-MM THK)
Y		SEPARATE ILLUSTRATION

#SEBP30960808

161-6641: ROLLER GP-TOP

ROLLER GP-TOP

161-6641 ROLLER GP-TOP
S/N 3KZ1-UP
PART OF 163-3180 ARCH AR-FAIRLEAD
AN ATTACHMENT

i00915099 SEBP3096

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Parts for your 525B WHEEL SKIDDER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1V-3283	[2]	SPACER
2.	1V-3287	[1]	SHAFT AS
3.	1V-3289	[1]	ROLLER
4.	2V-8369 B	[2]	SHIM PACK (INCLUDES 4-SHIMS)
5.	5P-1610	[2]	BALL BEARING
6.	5P-1076	[1]	WASHER-HARD (13.5X30X4-MM THK)
7.	8T-4956 M	[1]	BOLT (M12X1.75X35-MM)
	B		USE AS REQUIRED
	M		METRIC PART

#SEBP30960809

225-9457: ROTATOR GP-HYDRAULIC

ROTATOR GP-HYDRAULIC

225-9457 ROTATOR GP-HYDRAULIC
S/N 3KZ1-UP
PART OF 224-3311, 224-3312, 256-1148, 256-1149 FRAME GP-GRAPPLE
Type 1
AN ATTACHMENT

i01862768 SEBP3096

2259457 ROTATOR GP-HYDRAULIC Parts scheme

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Parts for your 525B WHEEL SKIDDER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9X-2158 M	[7]	BOLT-SOCKET HEAD (M10X1.5X90-MM)
2.	228-3717	[1]	BLOCK
3.	5W-2817	[3]	FITTING-GREASE
4.	150-4561	[6]	PIN-ROLL
5.	306-2669	[1]	PLUG AS
6.	228-3718	[1]	BLOCK
7.	203-3338	[1]	TUBE
8.	228-3720	[1]	TUBE (SWIVEL)
9.	150-4563 M	[10]	SCREW
10.	228-3714	[1]	COVER (MOTOR)
11.	228-3726	[1]	SHAFT (CLEVIS)
12.	172-9906	[9]	VANE
13.	150-4559	[27]	SPRING
14.	150-4557	[1]	SHAFT-MOTOR
15.	219-3560	[2]	VALVE
16.	228-3716	[1]	FRAME-STATOR
17.	228-3715	[1]	COVER
18.	150-4562 M	[2]	SCREW
19.	150-4538 M	[1]	LOCKNUT
20.	5D-7453	[1]	CONE-BEARING
21.	228-3722	[1]	HOUSING GP-MOTOR
21A.	1P-4695	[1]	CUP-BEARING
21B.	5D-7449	[1]	CUP-BEARING
22.	1P-4696	[1]	CONE-BEARING
23.	228-3725	[1]	SPACER
24.	228-3737	[1]	SEAL-LIP TYPE

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

			AVAILABLE REPAIR KIT(S):
	336-8976 J	[1]	KIT-SEAL (SWIVEL)
			(INCLUDES SEALS & O-RINGS & PARTS MARKED J IN THE GRAPHIC)
	315-5877 L	[1]	KIT-MOTOR SEAL (MOTOR)
			(INCLUDES GLIDE RINGS, O-RINGS & PARTS MARKED L IN THE GRAPHIC)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	L		KIT MARKED L SERVICES PARTS MARKED
	M		METRIC PART

Information:

WORK TOOLS

GRAPPLE GP

Operation and Maintenance Manual

Grapple Boom and Arch (Single Function) - Lubricate
525B and 535B Wheel Skidders

Grapple Head (Bunching) - Lubricate
525B and 535B Wheel Skidders

Grapple Head (Sorting) - Lubricate
525B and 535B Wheel Skidders

Grapple Swing Dampener (Snubber) - Inspect/Adjust
525B and 535B Wheel Skidders

Grapple Swing Boom - Inspect
525B and 535B Wheel Skidders

Grapple Swing Boom - Lubricate
525B and 535B Wheel Skidders

Fairlead Rollers - Lubricate
525B and 535B Wheel Skidders

Grapple Boom and Arch (Dual Function) - Lubricate
525B and 535B Wheel Skidders

Grapple Head Rotator (Continuous Rotation) - Lubricate
525B and 535B Wheel Skidders

Grapple Head (Continuous Rotation) - Lubricate
525B and 535B Wheel Skidders

Grapple Snubber - Inspect/Adjust
525B and 535B Wheel Skidders

Special Instruction

Procedure for Updating the Grapple Pins on Grapple Heads{6322}
Procedure for Updating the Grapple Pins on Grapple Heads{6322}

Installation of New Bushing in Grapple Head{6307}
Installation of New Bushing in Grapple Head{6307}

Replacement of Seals for Continuous Rotation Grapple{6307, 6326}
Replacement of Seals for Continuous Rotation Grapple{6307, 6326}

Installation of Spacer for Rotator on Wheel Skidders{6307, 6326}
Installation of Spacer for Rotator on Wheel Skidders{6307, 6326}

Service Letter-NACD

PRODUCT SUPPORT PROGRAM FOR REPAIRING THE GRAPPLE ROTATE MOTOR THAT MAY FAIL DUE TO PROBLEMS WITH THE GRAPPLE HEAD TOP CAP BOWL ON CERTAIN 525, 525B, 527, 545, 515, 517 AND 535B SKIDDERS
PRODUCT SUPPORT PROGRAM FOR REPAIRING THE GRAPPLE ROTATE MOTOR THAT MAY FAIL DUE TO PROBLEMS WITH THE GRAPPLE HEAD TOP CAP BOWL ON CERTAIN 525, 525B, 527, 545, 515, 517 AND 535B SKIDDERS

PRODUCT SUPPORT PROGRAM FOR REPAIRING AND REINFORCING THE BOOM CYLINDER LUGS AND ARCH LUGS ON CERTAIN 525B AND 535B WHEEL SKIDDERS
PRODUCT SUPPORT PROGRAM FOR REPAIRING AND REINFORCING THE BOOM CYLINDER LUGS AND ARCH LUGS ON CERTAIN 525B AND 535B WHEEL SKIDDERS

PRODUCT IMPROVEMENT PROGRAM FOR REINFORCING THE DUAL FUNCTION ARCH ON CERTAIN 525B AND 535B WHEEL SKIDDERS EQUIPPED WITH CONTINUOUS ROTATION GRAPPLES
PRODUCT IMPROVEMENT PROGRAM FOR REINFORCING THE DUAL FUNCTION ARCH ON CERTAIN 525B AND 535B WHEEL SKIDDERS EQUIPPED WITH CONTINUOUS ROTATION GRAPPLES

PRODUCT SUPPORT PROGRAM FOR REINFORCING THE DUAL FUNCTION ARCHES ON CERTAIN 525B AND 535B WHEEL SKIDDERS EQUIPPED WITH CONTINUOUS ROTATION GRAPPLES
PRODUCT SUPPORT PROGRAM FOR REINFORCING THE DUAL FUNCTION ARCHES ON CERTAIN 525B AND 535B WHEEL SKIDDERS EQUIPPED WITH CONTINUOUS ROTATION GRAPPLES

PRODUCT SUPPORT PROGRAM FOR RELOCATING THE TEST PORT FOR THE GRAPPLE ON CERTAIN 525B AND 535B WHEEL SKIDDERS
PRODUCT SUPPORT PROGRAM FOR RELOCATING THE TEST PORT FOR THE GRAPPLE ON CERTAIN 525B AND 535B WHEEL SKIDDERS

PRODUCT SUPPORT PROGRAM FOR INSTALLING SPACERS IN ORDER TO MAINTAIN THE BEARING ALIGNMENT ON CERTAIN 525B, 535B, AND 545 WHEEL SKIDDERS
PRODUCT SUPPORT PROGRAM FOR INSTALLING SPACERS IN ORDER TO MAINTAIN THE BEARING ALIGNMENT ON CERTAIN 525B, 535B, AND 545 WHEEL SKIDDERS

PRODUCT SUPPORT PROGRAM FOR INSPECTING AND REWELDING THE BOOM ASSEMBLY ON CERTAIN 525B, 535B, AND 545 WHEEL SKIDDERS THAT ARE EQUIPPED WITH CONTINUOUS ROTATING GRAPPLES
PRODUCT SUPPORT PROGRAM FOR INSPECTING AND REWELDING THE BOOM ASSEMBLY ON CERTAIN 525B, 535B, AND 545 WHEEL SKIDDERS THAT ARE EQUIPPED WITH CONTINUOUS ROTATING GRAPPLES

PRODUCT SUPPORT PROGRAM FOR REPLACING THE PINS FOR THE GRAPPLE TONGS ON CERTAIN 525B AND 535B WHEEL SKIDDERS THAT ARE EQUIPPED WITH 12.5 AND 14.4 SQUARE FEET CONTINUOUS ROTATE GRAPPLES
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PINS FOR THE GRAPPLE TONGS ON CERTAIN 525B AND 535B WHEEL SKIDDERS THAT ARE EQUIPPED WITH 12.5 AND 14.4 SQUARE FEET CONTINUOUS ROTATE GRAPPLES

PRODUCT SUPPORT PROGRAM FOR REPLACING THE 204-9601 SPLINED PIN FOR THE SNUBBER ON CERTAIN 525B, 535B, AND 545 WHEEL SKIDDERS THAT ARE EQUIPPED WITH CONTINUOUS ROTATING GRAPPLES
PRODUCT SUPPORT PROGRAM FOR REPLACING THE 204-9601 SPLINED PIN FOR THE SNUBBER ON CERTAIN 525B, 535B, AND 545 WHEEL SKIDDERS THAT ARE EQUIPPED WITH CONTINUOUS ROTATING GRAPPLES

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Specifications

Flow Divider Valve (Cross-Over Relief)
525B, 535B and 545 Wheel Skidders Grapple

Gerotor Motor (Grapple Rotation) - Standard Rotation Grapple
525B, 535B and 545 Wheel Skidders Grapple

Relief Valve (Grapple Rotation Motor) - Standard Rotation Grapple
525B, 535B and 545 Wheel Skidders Grapple

Grapple Snubber - Continuous Rotation Grapple
525B, 535B and 545 Wheel Skidders Grapple

Grapple Frame - Continuous Rotation Grapple
525B, 535B and 545 Wheel Skidders Grapple

Hydraulic Rotator - Continuous Rotation Grapple
525B, 535B and 545 Wheel Skidders Grapple

Grapple Head - Continuous Rotation Grapple
525B, 535B and 545 Wheel Skidders Grapple

Service Letter-China

Service Letter-Asia

Systems Operation

Grapple Electrical System
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

Service Letter-APD

Testing and Adjusting

Machine Preparation for Troubleshooting
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

Visual Inspection
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

Using Caterpillar Monitoring System to Determine Diagnostic Codes
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0168 FMI 00 Electrical System Voltage Above Normal Range - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0168 FMI 01 Electrical System Voltage Below Normal Range - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0417 FMI 03 Relay (Grapple Solenoid Return) Voltage Above Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

Troubleshooting Switch (Tong Auto/Manual)
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

Electrical Service Tools
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

Hydraulic Oil Contamination - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

System Pressure - Release
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

Glossary of Electrical Terms
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

Grapple Troubleshooting
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

Troubleshooting Diagnostic Codes
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0417 FMI 06 Relay (Grapple Solenoid Return) Current Above Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0417 FMI 07 Relay (Grapple Solenoid Return) Improper Mechanical Response - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0449 FMI 02 Control Switch (Grapple Rotation) Incorrect Signal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0450 FMI 02 Control Switch (Tong Open, Tong Close) Incorrect Signal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0451 FMI 03 Solenoid Valve (Grapple Clockwise Rotation) Voltage Above Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0451 FMI 05 Solenoid Valve (Grapple Clockwise Rotation) Current Below Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0451 FMI 06 Solenoid Valve (Grapple Clockwise Rotation) Current Above Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0452 FMI 03 Solenoid Valve (Grapple Counterclockwise Rotation) Voltage Above Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0452 FMI 05 Solenoid Valve (Grapple Counterclockwise Rotation) Current Below Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0452 FMI 06 Solenoid Valve (Grapple Counterclockwise Rotation) Current Above Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0453 FMI 03 Solenoid Valve (Tong Open) Voltage Above Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0453 FMI 05 Solenoid Valve (Tong Open) Current Below Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0453 FMI 06 Solenoid Valve (Tong Open) Current Above Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0454 FMI 03 Solenoid Valve (Tong Close) Voltage Above Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0454 FMI 05 Solenoid Valve (Tong Close) Current Below Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0454 FMI 06 Solenoid Valve (Tong Close) Current Above Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

Electrical Components And Connector Locations
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

Electrical Connector - Inspect
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

Electronic Control Module (Power Train) - Replace
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

System Schematic
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0417 FMI 05 Relay (Grapple Solenoid Return) Current Below Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

Using Caterpillar Electronic Technician (ET) to Determine Diagnostic Codes
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0417 FMI 03 Relay (Grapple Solenoid Return) Voltage Above Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0417 FMI 05 Relay (Grapple Solenoid Return) Current Below Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0417 FMI 06 Relay (Grapple Solenoid Return) Current Above Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0417 FMI 07 Relay (Grapple Solenoid Return) Improper Mechanical Response - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

System Schematic
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0450 FMI 02 Control Switch (Tong Open, Tong Close) Incorrect Signal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0451 FMI 03 Solenoid Valve (Grapple Clockwise Rotation) Voltage Above Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0451 FMI 06 Solenoid Valve (Grapple Clockwise Rotation) Current Above Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0451 FMI 05 Solenoid Valve (Grapple Clockwise Rotation) Current Below Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0452 FMI 03 Solenoid Valve (Grapple Counterclockwise Rotation) Voltage Above Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0452 FMI 05 Solenoid Valve (Grapple Counterclockwise Rotation) Current Below Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0452 FMI 06 Solenoid Valve (Grapple Counterclockwise Rotation) Current Above Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0453 FMI 03 Solenoid Valve (Tong Open) Voltage Above Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0453 FMI 05 Solenoid Valve (Tong Open) Current Below Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0453 FMI 06 Solenoid Valve (Tong Open) Current Above Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0454 FMI 03 Solenoid Valve (Tong Close) Voltage Above Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0454 FMI 05 Solenoid Valve (Tong Close) Current Below Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0454 FMI 06 Solenoid Valve (Tong Close) Current Above Normal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

CID 0449 FMI 02 Control Switch (Grapple Rotation) Incorrect Signal - Test
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

Troubleshooting Switch (Tong Auto/Manual)
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

Flow Divider Valve (Cross-Over Relief) - Test and Adjust
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

Relief Valve (Grapple Rotation Motor) - Test and Adjust - Standard Rotation Grapple
525B Wheel Skidder, 535B
Wheel Skidder and 545
Wheel Skidder Grapple

Disassembly and Assembly

Pilot Valve (Grapple) - Disassemble
525B and 535B Wheel Skidders Machine Systems

Pilot Valve (Grapple) - Assemble
525B and 535B Wheel Skidders Machine Systems

Swing Boom Saddle - Remove and Install
525B and 535B Wheel Skidders Machine Systems

Joystick Control and Pilot Valve (Grapple) - Remove
525B and 535B Wheel Skidders Machine Systems

Joystick Control and Pilot Valve (Grapple) - Install
525B and 535B Wheel Skidders Machine Systems

Grapple Boom (Single Function) - Remove and Install
525B and 535B Wheel Skidders Machine Systems

Fairlead Roller - Remove and Install
525B and 535B Wheel Skidders Machine Systems

Grapple Tong - Remove
525B and 535B Wheel Skidders Machine Systems

Grapple Tong - Install
525B and 535B Wheel Skidders Machine Systems

Grapple - Remove
525B and 535B Wheel Skidders Machine Systems

Grapple Boom (Dual Function) - Remove and Install
525B and 535B Wheel Skidders Machine Systems

Grapple Arch (Dual Function) - Remove and Install
525B and 535B Wheel Skidders Machine Systems

Grapple Crosshead - Remove
525B and 535B Wheel Skidders Machine Systems

Grapple Crosshead - Install
525B and 535B Wheel Skidders Machine Systems

Hydraulic Rotator - Disassemble - Continuous Rotator Grapple
525B and 535B Wheel Skidders Machine Systems

Hydraulic Rotator - Assemble - Continuous Rotator Grapple
525B and 535B Wheel Skidders Machine Systems

Hydraulic Rotator - Remove - Standard Rotation Grapple
525B and 535B Wheel Skidders Machine Systems

Hydraulic Rotator - Install - Standard Rotation Grapple
525B and 535B Wheel Skidders Machine Systems

Grapple - Install
525B and 535B Wheel Skidders Machine Systems

Service Magazine

Addition to Testing and Adjusting , "Troubleshooting Diagnostic Codes" for Wheel Skidders {6307}
2001/07/09

A New Pin and a New Spacer Are Used on the Pivot Pin of the Grapple Arch on Wheel Skidders {6307}
2002/07/08

Tip Assembly for the Grapple Frame is Now Serviceable {6307}
2003/12/01

A New Grapple Lines Group Is Now Available {5057, 5137, 6307}
2005/10/10

Special Instruction, REHS2592 , "Installation of New Bushing in Grapple Head"is Available {6307}
2005/04/04

A Procedure Improves the Service Life of Reaction and Friction Plates in Caterpillar Continuous Rotating (CCR) Grapple on Wheel Skidders {5569, 6307, 6326}
2005/06/06

Abrasion Resistant Hoses Are Now Available for Wheel Skidders {5057, 6307}
2005/06/27

Abrasion Resistant Hoses Are Now Available for Wheel Skidders {6302, 6307, 6308}
2005/07/04

A New Seal Kit Is Used for the Continuous Rotation Grapple {6307, 6326}
2006/04/03

A New Splined Pin Improves the Service Life of the Grapple Snubber on Wheel Skidders {5569, 6307}
2006/02/20

A Spacer Is Available to Improve the Life of the Hydraulic Rotator {6307, 6326}
2006/05/15

Correction to Specifications, Testing and Adjusting , "Flow Divider Valve (Cross-Over Relief)"<BR {5111, 5137}
2006/09/11

Caterpillar Parts SIS Catalog 525B :

163-8821 MOUNTING GP-WINCH

228-9612 LINES GP-WINCH

222-5809 LINES GP-WINCH

166-3545 LINES GP-WINCH

159-2825 LINES GP-WINCH

267-4634 PLATE-ARCH REPAIR

267-4635 PLATE-ARCH REPAIR

267-6602 PLATE-ARCH REPAIR

270-3297 PLATE-ARCH REPAIR

143-2072 PUMP & MTG GP-WINCH

208-7618 RETRIEVAL DEVICE & MTG GP-HYD

161-6641 ROLLER GP-TOP

Truck sale:

Caterpillar 525B
- skidder
CARTER MACHINERY COMPANY, INC.

75.000

Caterpillar 525B, bosbouw - skidder, Bosbouw

WESTERN STATES EQUIPMENT

75.000

Caterpillar 525B, bosbouw - skidder, Bosbouw

WESTERN STATES EQUIPMENT

75.000

Caterpillar 525B, forstwirtschaft - holzrücker, Forstmaschinen
- skidder
WESTERN STATES EQUIPMENT

24,657

Caterpillar 525B, Forestry Equipment
- skidder
MILTON CAT