D8R Track-Type Tractor TA2 Technical Inspection {0372, 1000, 7000, 753T, 7565} Caterpillar

Track-Type Tractor

D8R (S/N: 7XM1-UP; 9EM1-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.

Creating an Electronic Copy

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1. Click format to print.

2. Save the document as an HTML format.

3. Open the document with Microsoft Word.

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 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			Refer to Testing and Adjusting, SENR1028, "Starting System".

(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	-		Use 245-5829 Coolant/Battery Tester Gp.
	Conditioner Test of Engine Coolant	-		Use 8T-5296 Coolant Conditioner Test Kit.

(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	296 ± 103 kPa (43 ± 15 psi)

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

Lubrication System

Table 4

Status(1)	Description	Specification	Actual	Comments
	Engine Oil Pressure at Full Load Speed	276 to 600 kPa (40 to 87 psi)

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

Basic Engine

Table 5

Status(1)	Description	Specification	Actual	Comments
	Engine Speed at Low Idle	750 ± 10 rpm
	Engine Speed at High Idle	2248 ± 10 rpm
	Torque Converter Stall Test Engine RPM	1782 ± 37 rpm

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

Air Inlet and Exhaust System

Table 6

Status(1)	Description	Specification	Actual	Comments
	Torque Converter Stall Test Boost Pressure (High Idle)	129.54 cm_HG (51 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, SENR8329, "Hydraulic Systems" for more detail on the following tests.

Implement Operation Checks

Bulldozer Lift Cylinders Drift Tests

Table 7

Status(1)	Description	Specification	Actual	Comments
Minutes until maximum allowable drift of 38 mm (1.5 inch) at oil temperature of 49° to 68°C (120° to 155°F) is 2.7 mins
Minutes until maximum allowable drift of 38 mm (1.5 inch) above oil temperature of 69° to 88°C (156° to 190°F) is 1.7 mins

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

Bulldozer Tilt Cylinder Drift Tests

Table 8

Status(1)	Description	Specification	Actual	Comments
Minutes until maximum allowable drift of 11 mm (0.43 inch) at oil temperature of 49° to 68°C (120° to 155°F) is 2.7 mins
Minutes until maximum allowable drift of 11 mm (0.43 inch) above oil temperature of 69° to 88°C (156° to 190°F) is 1.7 mins

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

Ripper Lift Cylinders Drift Tests

Table 9

Status(1)	Description	Specification	Actual	Comments
Minutes until maximum allowable drift of 10 mm (0.39 inch) at oil temperature of 49° to 68°C (120° to 155°F) is 2.7 mins
Minutes until maximum allowable drift of 10 mm (0.39 inch) above oil temperature of 69° to 88°C (156° to 190°F) is 1.7 mins

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

Ripper Tip Cylinders Drift Tests

Table 10

Status(1)	Description	Specification	Actual	Comments
Minutes until maximum allowable drift of 6.0 mm (0.24 inch) at oil temperature of 49° to 68°C (120° to 155°F) is 2.7 mins
Minutes until maximum allowable drift of 6.0 mm (0.24 inch) above oil temperature of 69° to 88°C (156° to 190°F) is 1.7 mins

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

Cylinder Speed Tests

Table 11

Status(1)	Description	Specification	Actual	Comments
	Bulldozer Tilt Cylinder (Move the Bulldozer Blades “SU-BLADE” or “U-BLADE” full tilt left to full tilt right or full tilt right to full tilt left) at oil temperature of 65 ± 3 °C (149 ± 5 °F) at HIGH IDLE	1.7 to 2.0 seconds
	Bulldozer Tilt Cylinder (Move the Bulldozer Blades “A” full tilt right to full tilt left only) at oil temperature of 65 ± 3 °C (149 ± 5 °F) at HIGH IDLE	1.0 to 1.2 seconds
	Bulldozer Lift Cylinder (Move All the Bulldozer Blades ground to full up) at oil temperature of 65 ± 3 °C (149 ± 5 °F) at HIGH IDLE	2.7 to 3.0 seconds
	Bulldozer Lift Cylinder (Move All the Bulldozer Blades full up to ground) (Quick-drop) at oil temperature of 65 ± 3 °C (149 ± 5 °F) at HIGH IDLE	0.9 to 1.2 seconds
	Bulldozer Lift Cylinder (Move All the Bulldozer Blades pause at ground) (Quick-drop) at oil temperature of 65 ± 3 °C (149 ± 5 °F) at HIGH IDLE	1.4 to 1.7 seconds
	Ripper Cylinder (Move the Ripper Blade full down to full up) at oil temperature of 65 ± 3 °C (149 ± 5 °F) at HIGH IDLE	3.6 to 4.0 seconds
	Ripper Cylinder (Move the Ripper Blade full shank in to full shank out) (Retract Cylinder) at oil temperature of 65 ± 3 °C (149 ± 5 °F) at HIGH IDLE	4.2 to 4.9 seconds

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

Steering Operation Checks

Steering Turn Diameter Check

Table 12

Status(1)	Description	Specification	Actual	Comments
	Steering Turn Diameter Check - Full Steer Right	1.2 to 1.8 m (3.9 to 5.9 ft)
	Steering Turn Diameter Check - Full Steer Left	1.2 to 1.8 m (3.9 to 5.9 ft)
	Steering Turn Diameter Check - Full Steer Right or Left	1.2 to 1.8 m (3.9 to 5.9 ft)		Hold the bulldozer control lever in the full RAISE position.

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

Hydraulic System

Reference: Refer to Testing & Adjusting, SENR8329, "Hydraulic Systems" for more detail on the following tests.

Implement Pump Discharge Pressure Tests

Low-Pressure Standby Test

Table 13

Status(1)	Description	Specification	Actual	Comments
	Implement Pump Low-Pressure Standby Test Pressure	3000 kPa (435 psi)

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

High-Pressure Stall Test

Table 14

Status(1)	Description	Specification	Actual	Comments
	Implement Pump High-Pressure Stall Test Pressure at HIGH IDLE	24100 ± 450 kPa (3500 ± 65 psi)

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

Margin Pressure Test

Table 15

Status(1)	Description	Specification	Actual	Comments
	Implement Pump Margin Pressure at HIGH IDLE	2100 ± 100 kPa (304 ± 40 psi)

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

Steering Hydraulic System

Reference: Refer to Testing & Adjusting, SENR8329, "Hydraulic Systems" for more detail on the following tests.

Diagnostic Instrument Tests - Steering Hydraulic System

Table 16

Status(1)	Description	Specification	Actual	Comments
	Pilot Pressure at HIGH IDLE at Pressure Taps (Y1) and (Y2) with Parking Brake Engaged and all Controls in HOLD	should be below 200 kPa (30 psi)
	Pressure at HIGH IDLE at Pressure Taps (C) and (D) with Parking Brake Engaged and all Controls in HOLD	2500 ± 300 kPa (365 ± 45 psi)

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

Checking and Adjusting Charge Pump Pressure

Table 17

Status(1)	Description	Specification	Actual	Comments
	Steering Charge Pressure at HIGH IDLE with all Controls in NEUTRAL	2500 ± 300 kPa (365 ± 45 psi)

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

Checking and Adjusting Steering Pump Cutoff Pressure

Table 18

Status(1)	Description	Specification	Actual	Comments
	Steering Pump Cutoff Pressure at HIGH IDLE, Transmission in NEUTRAL, Service Brakes Fully Engaged, Maximum Steer Left at Pressure Tap (C) at Oil Temperature of 65° ± 5°C (150 ± 10 °F) with Parking Brake Released	39200 ± 700 kPa (5686 ± 102 psi)
	Steering Pump Cutoff Pressure at HIGH IDLE, Transmission in NEUTRAL, Service Brakes Fully Engaged, Maximum Steer Right at Pressure Tap (D) at Oil Temperature of 65° ± 5°C (150 ± 10 °F) with Parking Brake Released	39200 ± 700 kPa (5686 ± 102 psi)

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

Steering Pump Case Pressure Test

Table 19

Status(1)	Description	Specification	Actual	Comments
	Steering Pump Case Pressure at HIGH IDLE at Pressure Tap (G)	Less than 175 kPa (25 psi)

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

Steering Pilot Valve Tests and Adjustments

Note: This procedure requires a copy of the Angle Measurement Guide template available in Testing and Adjusting, SENR8329, "Steering Pilot Valve Tests and Adjustments".

Note: The following values in Table 20 are with the engine speed at LOW IDLE, transmission in NEUTRAL, service brake pedal fully depressed and the parking brake released.

Table 20

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

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

Power Train System

Reference: Refer to Testing & Adjusting, SENR8326, "Testing and Adjusting Section" for more detail on the following test.

Priority Valve - Test and Adjust

Table 21

Status(1)	Description	Specification	Actual	Comments
	Low Idle	2760 kPa (400 psi) minimum
	High Idle	3275 ± 140 kPa (475 ± 20 psi)

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

Load Piston - Test and Adjust

Table 22

Status(1)	Description	Specification	Actual	Comments
	Speed Clutch (P1) (Initial Pressure) at LOW IDLE with the transmission selector lever in NEUTRAL Load Piston plug (LP) removed	530 ± 35 kPa (77 ± 5 psi)
	Speed Clutch (P1) at LOW IDLE with the selector lever in any FORWARD or REVERSE speed. Load piston plug (LP) installed	345 kPa (50 psi) less than the pressure at high idle
	Speed Clutch (P1) at HIGH IDLE with selection lever in any FORWARD or REVERSE speed. Load piston plug (LP) installed	2620 ± 140 kPa (380 ± 20 psi)
	Direction Clutch (P2) at LOW IDLE with selector lever in any FORWARD or REVERSE speed. Load piston plug (LP) installed	380 ± 55 kPa (55 ± 8 psi) less than the speed clutch pressure at P1
	Direction Clutch (P2) at HIGH IDLE with selector lever in any FORWARD or REVERSE speed. Load piston plug (LP) installed	380 ± 55 kPa (55 ± 8 psi) less than the speed clutch pressure at P1

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

Transmission Lubrication Oil Pressure - Test

Table 23

Status(1)	Description	Specification	Actual	Comments
	Test Procedure (Transmission Lubrication) at HIGH IDLE with brakes ON	160 ± 35 kPa (23 ± 5 psi)
	Test Procedure (Transmission Lubrication) at LOW IDLE with brakes ON	12 ± 11 kPa (1.7 ± 1.6 psi)

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

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

Table 24

Status(1)	Description	Specification	Actual	Comments
	Relief Valve Torque Converter Inlet Pressure at HIGH IDLE	860 ± 140 kPa (125 ± 20 psi)

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

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

Table 25

Status(1)	Description	Specification	Actual	Comments
	Relief Valve Torque Converter Outlet Pressure at HIGH IDLE with brakes ON, selector valve in THIRD SPEED FORWARD, and the converter in a stall condition.	415 ± 70 kPa (60 ± 10 psi)

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

Low Pressure (torque converter charging) Pump - Test and Adjust

Table 26

Status(1)	Description	Specification	Actual	Comments
	Low Pressure (torque converter charging) Pump Pressure at HIGH IDLE	965 ± 140 kPa (140 ± 20 psi)

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

Transmission Oil Pump - Test and Adjust

Table 27

Status(1)	Description	Specification	Actual	Comments
	Transmission Oil Pump at LOW IDLE	2840 kPa (410 psi)
	Transmission Oil Pump at HIGH IDLE	3170 ± 175 kPa (460 ± 25 psi)

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

Pump Drive Lubrication - Test and Adjust

Table 28

Status(1)	Description	Specification	Actual	Comments
	Pump Drive Lubrication Pressure at LOW IDLE with brakes ON	310 ± 70 kPa (45 ± 10 psi)
	Pump Drive Lubrication Pressure at HIGH IDLE with brakes ON	620 ± 140 kPa (90 ± 20 psi)

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

Braking System

Reference: Refer to Testing & Adjusting, SENR8326, "Testing and Adjusting Section" for more detail on the following test.

Brake Pressure - Test and Adjust

Table 29

Status(1)	Description	Specification	Actual	Comments
	Brake Pressure (Brakes On) at HIGH IDLE	Less than 70 kPa (10 psi)
	Brake Pressure (Brakes Off) at HIGH IDLE	3170 ± 140 kPa (460 ± 20 psi)
	Brake Lubrication (Brakes On) at HIGH IDLE	140 ± 70 kPa (20 ± 10 psi)
	Brake Lubrication (Brakes Off) at HIGH IDLE	200 ± 75 kPa (29 ± 11 psi)

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

S.O.S

Reference: Refer to Operation and Maintenance Manual, SEBU6891, "Maintenance Interval Schedule" for more detail on the following S.O.S.

Table 30

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

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