559C, 579C, 2384C, and 2484C Knuckleboom Loaders TA2 Technical Inspection{0372, 1000, 7000, 753T, 7565} Caterpillar

559C, 579C, 2384C, and 2484C Knuckleboom Loaders TA2 Technical Inspection{0372, 1000, 7000, 753T, 7565}

Usage:

559C KAS

Knuckleboom Loader:: 2384C (S/N: KAW1-UP; KB61-UP); 2484C (S/N: KAZ1-UP; KB71-UP); 559C (S/N: KAS1-UP; KB41-UP); 579C (S/N: KAX1-UP; KB51-UP)

Introduction

Inspections are the most basic form of condition monitoring. They are easy to do and surprisingly effective at helping you spot equipment health issues. Proactive monitoring and analysis of equipment information will allow Dealers to effectively intervene before problems occur.

Note: Before adjusting product settings to comply with listed baseline TA2 values, consult SIS for the latest specification values.

Creating an Electronic Copy

Use the following procedure to create an editable electronic copy from SIS Web.

Click format to print.

Save the document as an HTML format.

Open the document with Microsoft Word.

Electrical System

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Table 1
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Inspect Battery Cables	Cables between the battery, the starter, and the engine ground must be the correct size. Wires and cables must be free of corrosion. Wires and cables must have cable support clamps in order to prevent stress on battery connections (terminals).
	Battery Test	12.4 VDC or more		Refer to Special Instruction, SEHS7633, "Battery Test Procedure".
	Charging System Test	18 VDC to 32 VDC		Refer to Testing and Adjusting, KENR5291, "Charging System -Test". Refer to Special Instruction, REHS0354, "Charging System Troubleshooting".
	Electric Starting System Test	12 to 16 V at −23° C (−10° F) to −7° C (19° F)		Refer to Testing and Adjusting, KENR5291, "Electric Starting System".
		14 to 18 V at −7° C (19° F) to 10° C (50° F)
		16 to 24 V at 10° C (50° F) to 27° C (80° F)

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^( 1 )

N = Normal, M = Monitor, A = Action

Engine

Cooling System

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Table 2
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Radiator Pressure Relief (Radiator Cap) ⁽²⁾
	Freezing Point of Engine Coolant
	Conditioner Test of Engine Coolant
	Difference between the Upper and Lower Radiator Tank Temperatures

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^( 1 )	N = Normal, M = Monitor, A = Action
^( 2 )	Test for the pressure that is listed on the cap.

Fuel System

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Table 3
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Fuel Pressure of the Low Pressure Fuel System at Idle Speed	150 kPa (22 psi)
	Maximum Fuel Pressure of the High Pressure Fuel System	200 MPa (29000 psi)

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^( 1 )

N = Normal, M = Monitor, A = Action

Lubrication System

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Table 4
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Minimum Engine Oil Pressure at Maximum Engine Speed	315 kPa (45 psi)

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^( 1 )

N = Normal, M = Monitor, A = Action

Basic Engine

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Table 5
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Engine Speed at Low Idle	900 RPM
	Engine Speed at High Idle	1800 RPM
	Cylinder Cutout Test	-
	Engine Crankcase Blowby Pressure	-

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^( 1 )

N = Normal, M = Monitor, A = Action

Air Inlet and Exhaust System

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Table 6
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Cylinder # 1 Exhaust Temperature ⁽²⁾	-
	Cylinder # 2 Exhaust Temperature ⁽²⁾	-
	Cylinder # 3 Exhaust Temperature ⁽²⁾	-
	Cylinder # 4 Exhaust Temperature ⁽²⁾	-
	Cylinder # 5 Exhaust Temperature ⁽²⁾	-
	Cylinder # 6 Exhaust Temperature ⁽²⁾	-

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^( 1 )	N = Normal, M = Monitor, A = Action
^( 2 )	Compare the exhaust temperature variance at each exhaust port.

Performance Checks

ReferenceRefer to the Specifications, Systems Operation, Testing & Adjusting information for more detail on the following test.

Operational Checks

Cycle times are checked with the engine at high idle (1800 RPM), and the grapple clamped to heel.

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Table 7
Status ⁽¹⁾	Description	Specification (Time)	Actual	Comments
	Boom up	8.58 seconds
	Boom down	4.36 seconds
	Stick In (without grapple	5.37 seconds
	Stick Out (without grapple	7.28 seconds
	Swing	9.5 RPM 579C 11 RPM 559C
	Grapple Cylinder (Move the arm from close to open position.)	1.56 seconds
	Grapple Cylinder (Move the arm from open to close position.)	1.52 seconds

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^( 1 )

N = Normal, M = Monitor, A = Action

Piston Pump (Implement)

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Table 8
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Pump Pressure at High Idle	34295 ± 345 kPa (4974 ± 50 psi)

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^( 1 )

N = Normal, M = Monitor, A = Action

Machine Systems

ReferenceRefer to Testing & Adjusting for more detail on the following test.

Relief Valve (Main) - Test and Adjust

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Table 9
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Main Relief Valve	25000 ± 500 kPa (3625 ± 70 psi)

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^( 1 )

N = Normal, M = Monitor, A = Action

Note: Check pressure at the pump.

Relief Valve (Line) - Test and Adjust

Note: All port relief pressures are recorded at the pump port except the swing relief.

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Table 10
Main Control Valve
Function	Rotator	Grapple	Swing ⁽¹⁾	Stick	Boom
Port Relief Setting	10685 ± 135 kPa (1550 ± 20 psi) Clockwise	34475 ± 200 kPa (5000 ± 30 psi) Open	24545 ± 170 kPa (3560 ± 25 psi) 559C 24995 ± 170 kPa (3625 ± 25 psi) 579C Clockwise	31000 ± 200 kPa (4500 ± 30 psi) Out	13790 ± 135 kPa (2000 ± 20 psi) Down

Port Relief Setting	10685 ± 135 kPa (1550 ± 20 psi) Counterclockwise	34475 ± 200 kPa (5000 ± 30 psi) Close	24545 ± 170 kPa (3560 ± 25 psi) 559C 24995 ± 170 kPa (3625 ± 25 psi) 579C Counterclockwise	31000 ± 200 kPa (4500 ± 30 psi) In	25855 ± 170 kPa (3755 ± 25 psi) Up