525C, 535C, and 545C Wheel Skidders TA2 Technical Inspection{7000, 753T} Caterpillar

525C, 535C, and 545C Wheel Skidders TA2 Technical Inspection{7000, 753T}

Usage:

525C 525

Wheel Skidder:: 525C (S/N: 5251-UP); 535C (S/N: 5351-UP); 545C (S/N: 5451-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.

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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).		Refer to Operation and Maintenance Manual, SEBU7892, "Battery or Battery Cable - Inspect/Replace"
	Battery Test	12.4 VDC or more		Refer to Special Instruction, SEHS7633, "Battery Test Procedure".
	Charging System Test			Refer to System Operation/Testing and Adjusting, SENR9939 Refer to Special Instruction, REHS0354
	Electric Starting System Test			Refer to System Operation/Testing and Adjusting, SENR9939

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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⁾	41 to 55 kPa (6 to 8 psi)		Use 9S-8140 Pressurizing Pump to test the radiator pressure cap. 20 kPa (3 psi) more than the pressure marked on the cap.
	Freezing Point of Engine Coolant
	Conditioner Test of Engine Coolant
	Belt Tension	1068 ± 111 N (240 ± 25 lb) for new belts. 890 ± 44 N (200 ± 10 lb) for used belts.		Auto Adjust Belt Tensioner
	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	400 to 525 kPa (58 to 76 psi)

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N = Normal, M = Monitor, A = Action

Lubrication System

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Table 4
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Engine Oil Pressure at Low Idle	103 kPa (15 psi)		Refer to System Operation/Testing and Adjusting, SENR9939
	Engine Oil Pressure at High Idle	600 kPa (87 psi)

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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	1100 RPM
	Engine Speed at High Idle	2200 RPM
	Torque Converter Stall Test Engine RPM	1910 - 1970 RPM for 525C
		1985 - 2045 RPM for 525C DHP, 535C
		2015 -2075 RPM for 545C
	Cylinder Cutout Test			Caterpillar Electronic Technician
	Engine Crankcase Pressure (Blowby)	with clean crankcase breather 50.8 kPa (2 inches of water) or less.

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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
	Torque Converter Stall Test Boost Pressure
	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 Testing & Adjusting, RENR8897, "Hydraulic and Steering System" and Testing & Adjusting, RENR8903, "Grapple" for more detail on the following test.

Operational Checks

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Table 7
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Steering Cycle Time	5 seconds from stop to stop
	Tong Open Cycle Time	525C 3.4 seconds
		535C 4.1 seconds
		545C 4.6 seconds
	Tong Close Cycle Time	525C 4.5seconds
		535C 5.9 seconds
		545C 6.2 seconds
	Decking Blade Raise	2.5 ± .5 seconds
	Decking Blade Lower	3.0 ± .5 seconds
	Arch IN	4.6 seconds
	Boom RAISE	4.0 seconds
	Boom LOWER	5.0 seconds
	Rotate	4.5 seconds

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^( 1 )

N = Normal, M = Monitor, A = Action

Hydraulic System

ReferenceRefer to Testing & Adjusting, RENR8897, "Piston Pump (Implement, Steering, Brake) Low Pressure Standby - Test" for more detail on the following test.

ReferenceRefer to Testing & Adjusting, RENR8897, "Piston Pump (Implement, Steering, Brake) Margin Pressure - Test and Adjust" for more detail on the following test.

ReferenceRefer to Testing & Adjusting, RENR8897, "Piston Pump (Implement, Steering, Brake) High Pressure Stall - Test and Adjust" for more detail on the following test.

Piston Pump (Implement) - Test & Adjust

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Table 8
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Low Pressure (Standby)	2580 to 3600 kPa (374 to 522 psi).
	High Pressure Cutoff	21000 ± 700 kPa (3046 ± 102 psi).
	High Pressure Cutoff	21000 ± 700 kPa (3046 ± 102 psi).
	Margin Pressure	2000 ± 100 kPa (290 ± 15 psi).

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N = Normal, M = Monitor, A = Action

Steering System

ReferenceRefer to Testing & Adjusting, RENR8897, "Hydraulic and Steering System" for more detail on the following test.

Relief Valve (Steering Cylinder Crossover) - Test and Adjust

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Table 9
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Relief Valve	24200 ± 350 kPa (3500 ± 50 psi)

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^( 1 )

N = Normal, M = Monitor, A = Action

Power Train System

ReferenceRefer to Testing & Adjusting, RENR8891, "Power Train" for more detail on the following test.

Transmission Pressures - Test and Adjust

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Table 10
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Modulating valve for clutch 1	2400 ± 70 kPa (348 ± 10 psi)
	Modulating valve for clutch 2	2400 ± 70 kPa (348 ± 10 psi)
	Modulating valve for clutch 3	2400 ± 70 kPa (348 ± 10 psi)
	Modulating valve for clutch 4	2400 ± 70 kPa (348 ± 10 psi)
	Modulating valve for clutch 5	2400 ± 70 kPa (348 ± 10 psi)
	Modulating valve for clutch 6	2400 ± 70 kPa (348 ± 10 psi)

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^( 1 )

N = Normal, M = Monitor, A = Action

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Table 11
Transmission Pressure
Pressure	High Idle	Low Idle	Actual Pressure	Comments
Pressure of the Transmission Main Relief Valve	2400 ± 70 kPa (348 ± 10 psi)	2200 ± 70 kPa (319 ± 10 psi)

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Table 12
Transmission Pressure
Pressure	Specification	Actual Pressure	Comments
Lubrication Oil Pressure (Minimum)	70 kPa (10 psi)

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Table 13
Transmission Pressure
Pressure	High Idle	Stall	Actual Pressure	Comments
Torque Converter Inlet Pressure	850 ± 70 kPa (125 ± 10 psi)	240 ± 35 kPa (35 ± 5 psi)

Relief Valve (Pilot, Differential Lock) - Test and Adjust

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Table 14
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Differential Lock Pressure	2826 ± 137 kPa (410 ± 20 psi)

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N = Normal, M = Monitor, A = Action

Differential Lock Hydraulic Pressure

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Table 15
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Differential Lock Pressure	2826 ± 137 kPa (410 ± 20 psi)

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^( 1 )

N = Normal, M = Monitor, A = Action

Braking System

ReferenceRefer to Testing & Adjusting, RENR8900, "Braking System" for more detail on the following test.

Brake Accumulator - Test and Charge

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Table 16
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Accumulator Pressure	5515 kPa (800 psi) at 21° C (70° F)

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^( 1 )

N = Normal, M = Monitor, A = Action

Accumulator Charging Valve (Brake) - Test and Adjust

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Table 17
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Cutout	14485 ± 345 kPa (2100 ± 50 psi)
	Cut in	11895 ± 345 kPa (1725 ± 50 psi)

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^( 1 )

N = Normal, M = Monitor, A = Action

Priority Valve (Brake) - Test and Adjust

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Table 18
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Priority Valve	16200 ± 350 kPa (2349 ± 50 psi)

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N = Normal, M = Monitor, A = Action

Parking Brake System Pressure - Test

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Table 19
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Parking Brake On	6035 ± 515 kPa (875 ± 75 psi)

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N = Normal, M = Monitor, A = Action

S.O.S

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Table 20
Status ⁽¹⁾	Description	Obtain	Comments
	Engine Oil Sample
	Engine Coolant Sample (Level II)
	Hydraulic Oil Sample
	Transmission Oil Sample
	Front Right Final Drive Oil Sample
	Front Left Final Drive Oil Sample
	Rear Right Final Drive Oil Sample
	Rear Left Final Drive Oil Sample
	Front Axle/Diff Oil Sample
	Center Axle/Diff Oil Sample
	Rear Axle/Diff Oil Sample
	Transfer Case Oil Sample
	Brake Fluid Oil Sample
	Power Steering Oil Sample