D6T Track-Type Tractor TA2 Technical Inspection{0372, 1000, 7000, 753T, 7565} Caterpillar

D6T Track-Type Tractor TA2 Technical Inspection{0372, 1000, 7000, 753T, 7565}

Usage:

D6T DJG

Track-Type Tractor:: D6T STD (S/N: JHB1-UP; SMC1-UP; PEZ1-UP); D6T PAT (S/N: ZEB1-UP; JWD1-UP; RLW1-UP); D6T XL (S/N: LBD1-UP; LAE1-UP; LAY1-UP; GCT1-UP); D6T XW VPAT (S/N: DJG1-UP); D6T LGP VPAT (S/N: WCG1-UP); D6T XL VPAT (S/N: WFH1-UP); D6T LGP (S/N: LKJ1-UP; KJL1-UP); D6T XW (S/N: SKL1-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 intervene effectively before problems occur.

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

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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).
	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 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, SENR9830, "Electric Starting System - Test".
		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
Description	Specification	Comments
Radiator Pressure Relief (Radiator Cap) ⁽²⁾	-
Freezing Point of Engine Coolant	-	Use 245-5829 Coolant/Battery Tester Gp .
Conditioner Test of Engine Coolant	-	Use 8T-5296 Coolant Conditioner Test Kit .
Belt Tension	110 N (25 lb)
Difference between the Upper Radiator Tank Temperature and Lower Radiator Tank Temperature	6° + 5° - 5° C (43° + 41° - 41° F)
Jacket Water Inlet Temperature from Cooling System	89° + 3° - 3° C (192° + 37° - 37° F)

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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 at Low Idle
	Fuel Pressure at High Idle	550 ± 184 kPa (80 ± 27 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	175 + 225 - 75 kPa (25 + 33 - 11 psi)
	Engine Oil Pressure at High Idle	280 + 320 - 30 kPa (41 + 46 - 4 psi)

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N = Normal, M = Monitor, A = Action

Basic Engine

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Table 5
Description	Specification	Comments
Engine Speed at Low Idle	800 ± 10 rpm
Engine Speed at High Idle	2010 ± 10 rpm
Cylinder Cutout Test		Use Cat^® Electronic Technician (Cat ET) Service Tool
Engine Crankcase Pressure (Blowby)

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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	125.0 ± 18.8 kPa (18.1 ± 2.7 psi)
	Torque Converter Stall Test Engine RPM	1560 ± 30 rpm
	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⁾	-
	Cylinder # 7 Exhaust Temperature ⁽²⁾	-
	Cylinder # 8 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, KENR5129, "Hydraulic System" for more detail on the following tests.

Operation Checks

Tests for Cycle Times

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Table 7
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Bulldozer Lift Cylinder (Move the blade from the ground to the fully raised position.) at oil temperature of 75° ± 3°C (167° ± 5°F)	2.5 seconds
	Bulldozer Tilt Cylinder (Move the bulldozer blade from TILT RIGHT to TILT LEFT) at oil temperature of 75° ± 3°C (167° ± 5°F)	1.7 seconds
	Bulldozer Tilt Cylinder (Move the bulldozer blade from TILT LEFT to TILT RIGHT) at oil temperature of 75° ± 3°C (167° ± 5°F)	1.4 seconds
	Ripper Lift Cylinder (Move the ripper to the fully raised position from the fully lowered position)	1.8 seconds

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^( 1 )

N = Normal, M = Monitor, A = Action

Drift Tests for Bulldozer Lift Cylinders

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Table 8
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Bulldozer Lift Cylinder Drift Test	Minutes until maximum allowable drift of 38.0 mm (1.50 inch) at oil temperature of 28° to 48°C (82° to 119°F) is 5.0 mins
		Minutes until maximum allowable drift of 38.0 mm (1.50 inch) at oil temperature of 49° to 68°C (120° to 155°F) is 2.7 mins
		Minutes until maximum allowable drift of 38.0 mm (1.50 inch) above oil temperature of 69° to 88°C (156° to 190°F) is 1.7 mins

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N = Normal, M = Monitor, A = Action

Drift Tests for Bulldozer Tilt Cylinder

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Table 9
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Bulldozer Tilt Cylinder Drift Test	Minutes until maximum allowable drift of 11.2 mm (0.44 inch) at oil temperature of 38° C (100° F) is 5.0 mins
		Minutes until maximum allowable drift of 11.2 mm (0.44 inch) at oil temperature of 49° to 66°C (120° to 150°F) is 2.7 mins
		Minutes until maximum allowable drift of 11.2 mm (0.44 inch) above oil temperature of above 66°C (150°F) is 1.7 mins

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N = Normal, M = Monitor, A = Action

Drift Tests for Ripper Lift Cylinder

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Table 10
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Ripper Cylinder Drift Test	Minutes until maximum allowable drift of 9.6 mm (0.38 inch) at oil temperature of 38° C (100° F) is 5.0 mins
		Minutes until maximum allowable drift of 9.6 mm (0.38 inch) at oil temperature of 49° to 66°C (120° to 150°F) is 2.7 mins
		Minutes until maximum allowable drift of 9.6 mm (0.38 inch) above oil temperature of above 66°C (150°F) is 1.7 mins

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N = Normal, M = Monitor, A = Action

Steering Operation Checks

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Table 11
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Steering Turn Diameter Check - Full Steer Left in first gear forward and HIGH IDLE with the blade raised and in the HOLD position	1.372 to 1.981 m (4.5 to 6.5 ft)
	Steering Turn Diameter Check - Full Steer Right in first gear forward and HIGH IDLE with the blade raised and in the HOLD position	1.372 to 1.981 m (4.5 to 6.5 ft)

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N = Normal, M = Monitor, A = Action

Hydraulic System

ReferenceRefer to Testing & Adjusting, KENR5129, "Hydraulic System" for more detail on the following tests.

Piston Pump (Implement) - Test and Adjust

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Table 12
Status ⁽¹⁾	Description	Specification				Actual	Comments
Status ⁽¹⁾	Description	Standard ⁽²⁾	Winch ⁽³⁾	PAT Blade ⁽⁴⁾	PAT Blade With Winch ⁽⁵⁾	Actual	Comments
	Low Pressure Standby Test at HIGH IDLE at Pressure Tap (HA)	3600 kPa (520 psi) maximum	3600 kPa (520 psi) maximum	3600 kPa (520 psi) maximum	3600 kPa (520 psi) maximum
	High Pressure Cutoff Test at HIGH IDLE at Pressure Tap (HA)	19300 ± 350 kPa (2800 ± 50 psi)	28000 ± 350 kPa (4050 ± 50 psi)	21500 ± 350 kPa (3100 ± 50 psi)	28000 ± 350 kPa (4050 ± 50 psi)
	Margin Pressure Test at HIGH IDLE at Pressure Tap (HA) and (HB)	2100 ± 100 kPa (305 ± 15 psi)	2100 ± 100 kPa (305 ± 15 psi)	2100 ± 100 kPa (305 ± 15 psi)	2100 ± 100 kPa (305 ± 15 psi)

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^( 1 )	N = Normal, M = Monitor, A = Action
^( 2 )	Machines that are equipped with bulldozer lift and bulldozer tilt or machines that are equipped with bulldozer lift, bulldozer tilt, and a ripper
^( 3 )	Machines that are equipped with bulldozer lift, bulldozer tilt, and a winch
^( 4 )	Machines that are equipped with a PAT blade
^( 5 )	Machines that are equipped with a PAT blade and winch

Pressure Limiter Valve - Test

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Table 13
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Pressure setting for Pressure Limiter Valve for Bulldozer Lift Circuit (Winch ⁽²⁾)	19300 ± 300 kPa (2800 ± 45 psi)
	Pressure setting for Pressure Limiter Valve for Bulldozer Lift Circuit (PAT Blade With Winch ⁽³⁾)	21550 ± 300 kPa (3125 ± 45 psi)
	Pressure setting for Pressure Limiter Valve for Bulldozer Tilt Circuit (Winch ⁽²⁾)	19300 ± 300 kPa (2800 ± 45 psi)
	Pressure setting for Pressure Limiter Valve for Bulldozer Tilt Circuit (PAT Blade With Winch ⁽³⁾)	21550 ± 300 kPa (3125 ± 45 psi)
	Pressure setting for Pressure Limiter Valve for Bulldozer Angle Circuit (PAT Blade With Winch ⁽³⁾)	19300 ± 300 kPa (2800 ± 45 psi)

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^( 1 )	N = Normal, M = Monitor, A = Action
^( 2 )	Machines that are equipped with bulldozer lift, bulldozer tilt, and a winch.
^( 3 )	Machines that are equipped with a PAT blade and winch.

Pressure Reducing Valve - Test and Adjust

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Table 14
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Pilot Pressure for Pressure Reducing Valve at HIGH IDLE	3275 ± 175 kPa (475 ± 25 psi)
	Relief Valve Pressure setting (bench test only)	6485 ± 345 kPa (940 ± 50 psi)

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^( 1 )

N = Normal, M = Monitor, A = Action

Accumulator (Pilot) - Test and Charge

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Table 15
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Accumulator Charge Pressure at HIGH IDLE and Pressure Tap (CPG)	3275 ± 170 kPa (475 ± 25 psi)

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N = Normal, M = Monitor, A = Action

Relief Valve (Main) - Test

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Table 16
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Main Relief Valve Pressure for Standard Machine (bench test only)	21700 ± 400 kPa (3150 ± 58 psi)
	Main Relief Valve Pressure for Standard Machine with a Winch and VPAT Machine with a Winch (bench test only)	29600 ± 500 kPa (4300 ± 75 psi)
	Main Relief Valve Pressure for VPAT Machine (bench test only)	24400 ± 400 kPa (3550 ± 60 psi)

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N = Normal, M = Monitor, A = Action

Piston Pump (Steering) - Test and Adjust

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Table 17
Status ⁽¹⁾	Description	Specification	Actual	Comments
	High Pressure Cutoff at Pressure Taps (HC) and (HD)	40300 ± 1050 kPa (5850 ± 150 psi)
	Crossover Relief/Makeup Valve Pressure (bench test only)	45000 ± 700 kPa (6500 ± 100 psi)

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N = Normal, M = Monitor, A = Action

Pilot Control Valve (Steering) - Test and Adjust

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Table 18
Status ⁽¹⁾	Description	Specification		Actual	Comments
Status ⁽¹⁾	Description	Pressure Tap (Y1)	Pressure Tap (Y2)	Actual	Comments
	Pilot Pressure for Steering Control Lever for STEER LEFT (A) position	0 ± 200 kPa (0 ± 30 psi)	745 ± 100 kPa (108 ± 15 psi)
	Pilot Pressure for Steering Control Lever for STEER LEFT (B) position	0 ± 200 kPa (0 ± 30 psi)	1200 ± 170 kPa (174 ± 25 psi)
	Pilot Pressure for Steering Control Lever for STEER LEFT (C) position	0 ± 200 kPa (0 ± 30 psi)	2060 ± 240 kPa (300 ± 35 psi)
	Pilot Pressure for Steering Control Lever for STEER RIGHT (A) position	745 ± 100 kPa (108 ± 15 psi)	0 ± 200 kPa (0 ± 30 psi)
	Pilot Pressure for Steering Control Lever for STEER RIGHT (B) position	1200 ± 170 kPa (174 ± 25 psi)	0 ± 200 kPa (0 ± 30 psi)
	Pilot Pressure for Steering Control Lever for STEER RIGHT (C) position	2060 ± 240 kPa (300 ± 35 psi)	0 ± 200 kPa (0 ± 30 psi)

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^( 1 )

N = Normal, M = Monitor, A = Action

Relief Valve (Steering) - Test and Adjust - Charge Pressure

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Table 19
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Steering Relief Valve Charge Pressure at HIGH IDLE at Pressure Tap (H)	2570 ± 140 kPa (373 ± 20 psi)

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N = Normal, M = Monitor, A = Action

Power Train System

ReferenceRefer to Testing & Adjusting, KENR5124, "Power Train" for more detail on the following tests.

Main Relief Valve - Adjust

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Table 20
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Transmission Main Relief Valve Pressure at HIGH IDLE with Brakes Disengaged for USA and European Union at Pressure Tap (P)	2760 ± 140 kPa (400 ± 20 psi)
	Transmission Main Relief Valve Pressure at HIGH IDLE with Service Brake Pedal Engaged and Third Speed Forward Stall for XL, XW, and LGP at Pressure Tap (P)	2690 ± 140 kPa (390 ± 20 psi)
	Transmission Main Relief Valve Pressure at LOW IDLE with Parking Brake Switch Disengaged at Pressure Tap (P)	2585 ± 105 kPa (375 ± 15 psi)

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N = Normal, M = Monitor, A = Action

Relief Valve (Torque Converter Inlet) Pressure - Test and Adjust

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Table 21
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Torque Converter Inlet Relief Valve Pressure at LOW IDLE with Brakes Disengaged at Pressure Tap (M)	380 ± 70 kPa (55 ± 10 psi)
	Torque Converter Inlet Relief Valve Pressure at HIGH IDLE with Brakes Disengaged for USA and European Union at Pressure Tap (M)	900 ± 70 kPa (130 ± 10 psi)
	Torque Converter Inlet Relief Valve Pressure at HIGH IDLE with Service Brake Pedal Engaged and Third Speed Forward Stall for XL, XW, and LGP at Pressure Tap (M)	515 ± 70 kPa (75 ± 10 psi)

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^( 1 )

N = Normal, M = Monitor, A = Action

Relief Valve (Torque Converter Outlet) Pressure - Test and Adjust

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Table 22
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Torque Converter Outlet Relief Valve Pressure at LOW IDLE with Brakes Disengaged at Pressure Tap (N)	380 ± 70 kPa (55 ± 10 psi)
	Torque Converter Outlet Relief Valve Pressure at HIGH IDLE with Brakes Disengaged for USA and European Union at Pressure Tap (N)	493 ± 93 kPa (72 ± 13 psi)
	Torque Converter Outlet Relief Valve Pressure at HIGH IDLE with Service Brake Pedal Engaged and Third Speed Forward Stall for XL, XW, and LGP at Pressure Tap (N)	415 ± 70 kPa (60 ± 10 psi)

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^( 1 )

N = Normal, M = Monitor, A = Action

Transmission Lubrication Oil Pressure - Test

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Table 23
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Transmission Lubrication Oil Pressure at LOW IDLE with Brakes Disengaged at Pressure Tap (L1)	24 ± 14 kPa (3.5 ± 2 psi)
	Transmission Lubrication Oil Pressure at HIGH IDLE with Brakes Disengaged for USA and European Union at Pressure Tap (L1)	170 ± 35 kPa (25 ± 5 psi)

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N = Normal, M = Monitor, A = Action

Transmission Controls

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Table 24
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Transmission Control Pressure at Pressure Tap (A) for No. 1 Clutch at LOW IDLE and in FIRST SPEED REVERSE position at oil temperature of 80° ± 5°C (176° ± 9°F)	2585 ± 105 kPa (375 ± 15 psi)
	Transmission Control Pressure at Pressure Tap (B) for No. 2 Clutch at LOW IDLE and in FIRST SPEED FORWARD position at oil temperature of 80° ± 5°C (176° ± 9°F)	2585 ± 105 kPa (375 ± 15 psi)
	Transmission Control Pressure at Pressure Tap (C) for No. 3 Clutch at LOW IDLE and in NEUTRAL position at oil temperature of 80° ± 5°C (176° ± 9°F)	2585 ± 105 kPa (375 ± 15 psi)
	Transmission Control Pressure at Pressure Tap (D) for No. 4 Clutch at LOW IDLE and in SECOND SPEED FORWARD position at oil temperature of 80° ± 5°C (176° ± 9°F)	2585 ± 105 kPa (375 ± 15 psi)
	Transmission Control Pressure at Pressure Tap (E) for No. 5 Clutch at LOW IDLE and in FIRST SPEED FORWARD position at oil temperature of 80° ± 5°C (176° ± 9°F)	2205 ± 205 kPa (320 ± 30 psi)

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^( 1 )

N = Normal, M = Monitor, A = Action

Accumulator - Test

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Table 25
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Accumulator Charge Pressure at Oil Temperature of 20° C (70° F)	1725 ± 100 kPa (250 ± 15 psi)

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N = Normal, M = Monitor, A = Action

Flywheel Lubrication Oil Pressure - Test

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Table 26
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Pump Drive Lubrication Pressure at LOW IDLE with Brakes Disengaged at Pressure Tap (L2)	205 ± 70 kPa (30 ± 10 psi)
	Pump Drive Lubrication Pressure at HIGH IDLE with Brakes Disengaged for USA and European Union at Pressure Tap (L2)	310 ± 105 kPa (45 ± 15 psi)

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^( 1 )

N = Normal, M = Monitor, A = Action

Brake Pressure - Test

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Table 27
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Brake Pressure at LOW IDLE with Brakes Disengaged at Pressure Tap (B1)	2350 ± 140 kPa (340 ± 20 psi)
	Brake Pressure at HIGH IDLE at Pressure Tap (B1) with Parking Brake Switch Disengaged for USA and European Union	2550 ± 140 kPa (370 ± 20 psi)
	Brake Pressure at HIGH IDLE at Pressure Tap (B1) with Service Brake Engaged for XL, XW, and LGP	Less than 70 kPa (10 psi)
	Brake Pressure at HIGH IDLE at Pressure Tap (B1) with Parking Engaged	Less than 70 kPa (10 psi)
	Left Brake Lubrication Pressure at LOW IDLE at Pressure Tap (LB1) with Brakes Disengaged	11 ± 10 kPa (1.60 ± 1.50 psi)
	Right Brake Lubrication Pressure at LOW IDLE at Pressure Tap (LB2) with Brakes Disengaged	11 ± 10 kPa (1.60 ± 1.50 psi)
	Left Brake Lubrication Pressure at HIGH IDLE at Pressure Tap (LB1) with Brakes Disengaged for USA and European Union	105 ± 68 kPa (15 ± 10 psi)
	Right Brake Lubrication Pressure at HIGH IDLE at Pressure Tap (LB2) with Brakes Disengaged for USA and European Union	105 ± 68 kPa (15 ± 10 psi)
	Left Brake Lubrication Pressure at HIGH IDLE at Pressure Tap (LB1) with Service Brake Engaged for XL, XW, and LGP	55 ± 35 kPa (8 ± 5 psi)
	Right Brake Lubrication Pressure at HIGH IDLE at Pressure Tap (LB2) with Service Brake Engaged for XL, XW, and LGP	55 ± 35 kPa (8 ± 5 psi)

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^( 1 )

N = Normal, M = Monitor, A = Action

S.O.S

ReferenceRefer to Operation and Maintenance Manual, SEBU8146, "Maintenance Interval Schedule" for more detail on the following S.O.S.

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Table 28
Status ⁽¹⁾	Description	Obtain	Comments
	Engine Oil Sample
	Engine Coolant Sample (Level I)
	Engine Coolant Sample (Level II)
	Hydraulic Oil Sample
	Transmission Oil Sample
	Rear Right Final Drive Oil Sample
	Rear Left Final Drive Oil Sample