D6R2 Track-Type Tractor TA2 Technical Inspection {0372, 1000, 7000, 753T, 7565} Caterpillar

Track-Type Tractor

D6R2 (S/N: PPP1-UP; SSS1-UP; TTT1-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.

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Electrical System

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 Testing and Adjusting, SENR9830, "Battery - Test".
	Charging System Test	28 ± 1 VDC		Refer to Testing and Adjusting, SENR9830, "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, 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)

(1)	N = Normal, M = Monitor, A = Action

Engine

Cooling System

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	-

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

Fuel System

Table 3

Status(1)	Description	Specification	Actual	Comments
	Fuel Pressure	586 kPa (85 psi)

(1)	N = Normal, M = Monitor, A = Action

Lubrication System

Table 4

Status(1)	Description	Specification	Actual	Comments
	Engine Oil Pressure at Low Idle	125 kPa (18 psi)
	Engine Oil Pressure	345 kPa (50 psi)

(1)	N = Normal, M = Monitor, A = Action

Basic Engine

Table 5

Status(1)	Description	Specification	Actual	Comments
	Low Idle RPM	800 ± 10 rpm
	High Idle RPM	2080 to 2140 rpm		Temperature at 80° C (176° F)
	Torque Converter Stall Test Engine RPM	1545 to 1665 rpm		Temperature at 82° C (180° F)
	Cylinder Cutout Test	-		Cat® Electronic Technician (Cat ET) Service Tool

(1)	N = Normal, M = Monitor, A = Action

Air Inlet and Exhaust System

Table 6

Status(1)	Description	Specification	Actual	Comments
	Boost Pressure at Torque Converter Stall Test Engine RPM	139.9 ± 21.1 CM_HG (55.1 ± 8.3 IN_HG)
	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)	-

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

Performance Checks

Reference: Refer to Testing & Adjusting, UENR4109, "Testing and Adjusting Section" for more detail on the following test.

Operational Checks

Cycle Times

Table 7

Status(1)	Description	Specification	Actual	Comments
	Blade Lift (Ground Level to Maximum Height)	2.5 seconds
	Tilt (Right to Left)	1.7 seconds
	Tilt (Left to Right)	1.4 seconds
	Ripper Lift (Ground to Maximum Height)	1.8 seconds

(1)	N = Normal, M = Monitor, A = Action

Drift

Table 8

Status(1)	Description	Specification	Actual	Comments
	Bulldozer Lift Cylinder Drift Test	38 mm (1.5 inch) Maximum at 28° C (82° F) to 48° C (120° F) for 5 minutes
		38 mm (1.5 inch) Maximum at 49° C (120° F) to 68° C (154° F) for 2.7 minutes
		38 mm (1.5 inch) Maximum at 69° C (156° F) to 88° C (190° F) for 1.7 minutes
	Bulldozer Tilt Cylinder Drift Test	11.2 mm (0.44 inch) Maximum at 38° C (100 ° F) for 5 minutes
		11.2 mm (0.44 inch) Maximum at 49° C (120° F) to 66° C (150° F) for 2.7 minutes
		11.2 mm (0.44 inch) Maximum above 66° C (151° F) for 1.7 minutes
	Ripper Lift Cylinder Drift Test	9.6 mm (0.38 inch) Maximum at 38° C (100 ° F) for 5 minutes
		9.6 mm (0.39 inch) Maximum at 49° C (120° F) to 66° C (150° F) for 2.7 minutes
		9.6 mm (0.39 inch) Maximum above 67° C (150° F) for 1.7 minutes

(1)	N = Normal, M = Monitor, A = Action

Hydraulic System

Reference: Refer to Testing & Adjusting, UENR4109, "Hydraulic Systems" for more detail on the following test.

Piston Pump (Implement) - Test and Adjust

Table 9

Status(1)	Description	Specification	Actual	Comments
	Implement Pump Pressure	Low-Pressure Standby (High Idle) at pressure tap (HA) 3600 kPa (522 psi)
		Margin pressure (High Idle) at pressure tap (HA) - (HB) 2100 ± 100 kPa (305 ± 15 psi)
		High-pressure cutoff pressure (High Idle) at pressure tap (HA) (Standard Blade) 19300 ± 350 kPa (2800 ± 50 psi)

(1)	N = Normal, M = Monitor, A = Action

Pressure Reducing Valve - Test and Adjust

Table 10

Status(1)	Description	Specification	Actual	Comments
	Pressure Reducing valve at High Idle	3275 ± 175 kPa (475 ± 25 psi)
	Relief Valve	6483 ± 345 kPa (940 ± 50 psi)

(1)	N = Normal, M = Monitor, A = Action

Power Train System

Reference: Refer to Testing & Adjusting, UENR4109, "Power Train System" for more detail on the following test.

Relief Valve (Main) - Test

Table 11

Status(1)	Description	Specification		Actual	Comments
		Flow Rate	Pressure Setting
	Standard	38 ± 4 L/min (10 ± 1 US gpm)	21700 ± 400 kPa (3147 ± 58 psi)
	Standard with a winch VPAT with a winch	10 ± 2 L/min (3 ± 1 US gpm)	29600 ± 500 kPa (4293 ± 73 psi)
	VPAT	38 ± 4 L/min (10 ± 1 US gpm)	24400 ± 400 kPa (3539 ± 58 psi)

(1)	N = Normal, M = Monitor, A = Action

Relief Valve (Transmission) - Test and Adjust

Table 12

Status(1)	Description	Specification	Actual	Comments
	Relief Valve (Transmission)	Low Idle at pressure tap (P) 2610 ± 104 kPa (379 ± 15 psi)
	Relief Valve (Transmission) (Tier II)	High Idle at pressure tap (P) 2800 ± 138 kPa (406 ± 20 psi)
	Relief Valve (Transmission) (Tier III)	High Idle at pressure tap (P) 2780 ± 138 kPa (403 ± 20 psi)

(1)	N = Normal, M = Monitor, A = Action

Relief Valve (Torque Converter Inlet) Pressure - Test

Table 13

Status(1)	Description	Specification	Actual	Comments
	Torque Converter Inlet Relief Valve (Tier II)	High Idle with the parking brake engaged at pressure tap (M) less than 695 ± 104 kPa (101 ± 15 psi)
	Torque Converter Inlet Relief Valve (Tier III)	High Idle with the parking brake engaged at pressure tap (M) less than 660 ± 104 kPa (96 ± 15 psi)

(1)	N = Normal, M = Monitor, A = Action

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

Table 14

Status(1)	Description	Specification	Actual	Comments
	Torque Converter Outlet Relief Valve (High Idle Third Speed Forward Stall)	High Idle at pressure tap (N) 405 ± 70 kPa (59 ± 10 psi)

(1)	N = Normal, M = Monitor, A = Action

Transmission Lubrication Oil Pressure - Test

Table 15

Status(1)	Description	Specification	Actual	Comments
	Transmission Lubrication	Low Idle with all brakes disengaged at pressure tap (L1) 30 ± 14 kPa (4 ± 2 psi)
	Transmission Lubrication (Tier II)	High Idle with all brakes disengaged at pressure tap (L1) 210 ± 35 kPa (31 ± 5 psi)
	Transmission Lubrication (Tier III)	High Idle with all brakes disengaged at pressure tap (L1) 190 ± 35 kPa (28 ± 5 psi)

(1)	N = Normal, M = Monitor, A = Action

Transmission Clutch Pressure - Test

Table 16

Status(1)	Description	Specification	Actual	Comments
	Clutch Engagement at Relief Pressure Setting of the Transmission No. 1 Clutch through No. 4 Clutch	2585 ± 105 kPa (375 ± 15 psi)
	Clutch Engagement at Relief Pressure Setting of the Transmission No. 5 Clutch	2205 ± 205 kPa (320 ± 30 psi)

(1)	N = Normal, M = Monitor, A = Action

Flywheel Lubrication Oil Pressure - Test

Table 17

Status(1)	Description	Specification	Actual	Comments
	Flywheel Lubrication Oil Pressure	Low Idle at pressure tap (L2) 307 ± 69 kPa (45 ± 10 psi)
	Flywheel Lubrication Oil Pressure (Tier II)	High Idle at pressure tap (L2) 460 ± 104 kPa (67 ± 15 psi)
	Flywheel Lubrication Oil Pressure (Tier III)	High Idle at pressure tap (L2) 440 ± 104 kPa (64 ± 15 psi)

(1)	N = Normal, M = Monitor, A = Action

Steering System

Reference: Refer to Testing & Adjusting, UENR4109, "Testing and Adjusting" for more detail on the following test.

Piston Pump (Steering)- Test and Adjust

Table 18

Status(1)	Description	Specification	Actual	Comments
	Cross Over Relief Pressure	1850 RPM at pressure tap (HD) and (HC) 45500 ± 1000 kPa (6599 ± 145 psi)
	Pressure Override (POR)	1850 rpm at pressure tap (HC) and (HD) 40500 ± 1000 kPa (5874 ± 145 psi)
	Mechanical Neutral	1850 rpm at pressure tap (HC) and (HD) 345 kPa (50 psi) between pressure taps
	Hydraulic Neutral	1850 rpm at pressure tap (X1) and (X2) 48 kPa (7 psi) between pressure taps

(1)	N = Normal, M = Monitor, A = Action

Relief Valve (Steering) - Test and Adjust

Table 19

Status(1)	Description	Specification	Actual	Comments
	Charge Pressure	High Idle at pressure tap (H) 2500 ± 100 kPa (363 ± 15 psi)

(1)	N = Normal, M = Monitor, A = Action

Braking System

Reference: Refer to Testing & Adjusting, UENR4109, "Testing and Adjusting Section" for more detail on the following test.

Brake Pressure - Test

Note: Machine must be in the raised position.

Table 20

Status(1)	Description	Specification	Actual	Comments
	Brake Pressure with All Brakes Released (Tier II)	2590 ± 221 kPa (376 ± 32 psi) at High Idle
	Brake Pressure with All Brakes Released (Tier III)	2570 ± 221 kPa (373 ± 32 psi) at High Idle
	Brake Pressure with All Brakes Released	2400 ± 187 kPa (348 ± 27 psi) at Low Idle
	Brake Pressure with Parking Brake on or the Service Brakes Fully Engaged	Pressure tap (B1) 70 kPa (10 psi) or less
	Brake Pressure at Right Brake Pressure Tap (B2) (Tier II)	2590 ± 221 kPa (376 ± 32 psi) at High Idle
	Brake Pressure at Right Brake Pressure Tap (B2) (Tier III)	2570 ± 221 kPa (373 ± 32 psi) at Low Idle
	Brake Pressure at Right Brake Pressure Tap (B2)	2400 ± 187 kPa (348 ± 27 psi) at Low Idle
	Brake Pressure at Left Brake Pressure Tap (B2) (Tier II)	2590 ± 221 kPa (376 ± 32 psi) at High Idle
	Brake Pressure at Left Brake Pressure Tap (B2) (Tier III)	2570 ± 221 kPa (373 ± 32 psi) at High Idle
	Brake Pressure at Left Brake Pressure Tap (B2)	2400 ± 187 kPa (348 ± 27 psi) at Low Idle
	Left Brake Lube Pressure at Pressure Tap (LB1)	85 ± 68 kPa (12 ± 10 psi) at High Idle
	Left Brake Lube Pressure at Pressure Tap (LB1)	17 ± 10 kPa (3 ± 2 psi) at Low Idle
	Right Brake Lube Pressure at Pressure Tap (LB2)	90 ± 68 kPa (13 ± 10 psi) at High Idle
	Right Brake Lube Pressure at Pressure Tap (LB2)	13 ± 10 kPa (1.9 ± 1.5 psi) at Low Idle

(1)	N = Normal, M = Monitor, A = Action

S.O.S

Reference: Refer to Operation and Maintenance Manual, SEBU9246, "Maintenance Interval Schedule" for more detail on the following S.O.S.

Table 21

Status(1)	Description	Obtain		Comments
	Engine Oil Sample	Every 250 Service Hours
	Cooling System Coolant Sample (Level I)	Every 500 Service Hours
	Cooling System Coolant Sample (Level II)	Every 2000 Service Hours
	Hydraulic Oil Sample	Every 500 Service Hours
	Final Drive Oil Sample	Every 500 Service Hours
	Power Train System Oil Sample	Every 500 Service Hours

(1)	N = Normal, M = Monitor, A = Action