D6R Track-Type Tractor TA2 Technical Inspection{0372, 1000, 7000, 753T, 7565} Caterpillar


D6R Track-Type Tractor TA2 Technical Inspection{0372, 1000, 7000, 753T, 7565}

Usage:

D6R 1RW
Track-Type Tractor:
D6R (S/N: 4FM1-UP; 8TM1-UP; 9BM1-UP; 3ZN1-UP; 5LN1-UP; 7KN1-UP; 9MN1-UP; 9PN1-UP; DMP1-UP; 4TR1-UP; 5PR1-UP; 5RR1-UP; 7DR1-UP; 7GR1-UP; 1RW1-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

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, SERN5594, "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     -         Use 245-5829 Coolant/Battery Tester Gp .    
    Conditioner Test of Engine Coolant     -         Use 8T-5296 Coolant Conditioner Test Kit .    
    Belt Tension                
    Difference between the Upper Radiator Tank Temperature and Lower Radiator Tank Temperature                
    Jacket Water Inlet Temperature from Cooling System                
( 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 at Low Idle                
    Fuel Pressure at High Idle                
( 1 ) N = Normal, M = Monitor, A = Action

Lubrication System

Table 4
Status (1)     Description     Specification     Actual     Comments    
    Engine Oil Pressure at Low Idle                
    Engine Oil Pressure at High Idle                
( 1 ) N = Normal, M = Monitor, A = Action

Basic Engine

Table 5
Status (1)     Description     Specification     Actual     Comments    
    Engine Speed at Low Idle                
    Engine Speed at High Idle                
    Cylinder Cutout Test             Use Cat® Electronic Technician (Cat ET) Service Tool    
    Engine Crankcase Pressure (Blowby)                
( 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                
    Torque Converter Stall Test Engine 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)     -            
( 1 ) N = Normal, M = Monitor, A = Action
( 2 ) Compare the exhaust temperature variance at each exhaust port.

Performance Checks

ReferenceRefer to Testing & Adjusting, SENR9498, "Hydraulic Systems" for more detail on the following tests.

Operation Checks

Test of Circuit Drift for the Bulldozer Lift

Table 7
Status (1)     Description     Specification     Actual     Comments    
    Bulldozer Lift Cylinder Drift Test     Minutes until maximum allowable drift of
38.1 mm (1.50 inch) at oil temperature of
38 to 49 °C (100 to 120 °F) is 5.0 mins    
       
Minutes until maximum allowable drift of
38.1 mm (1.50 inch) at oil temperature of
49 to 66 °C (120 to 150 °F) is 2.7 mins
Minutes until maximum allowable drift of
38.1 mm (1.50 inch) above oil temperature of
66 °C (150 °F) is 1.7 mins
( 1 ) N = Normal, M = Monitor, A = Action

Test of Circuit Drift for the Bulldozer Tilt

Table 8
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 to 49 °C (100 to 120 °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
66 °C (150 °F) is 1.7 mins
( 1 ) N = Normal, M = Monitor, A = Action

Test of Circuit Drift for the Ripper

Table 9
Status (1)     Description     Specification     Actual     Comments    
    Ripper Cylinder Drift Test     Minutes until maximum allowable drift of
25 mm (1.0 inch) (machine off the ground) at oil temperature of
38 to 49 °C (100 to 120 °F) is 3.5 mins    
       
Minutes until maximum allowable drift of
25 mm (1.0 inch) (machine off the ground) at oil temperature of
49 to 66 °C (120 to 150 °F) is 1.1 mins
Minutes until maximum allowable drift of
25 mm (1.0 inch) (machine off the ground) above oil temperature of
66 °C (150 °F) is 0.5 mins
Minutes until maximum allowable drift of
9.6 mm (0.38 inch) (ripper off the ground) at oil temperature of
38 to 49 °C (100 to 120 °F) is 5.0 mins
Minutes until maximum allowable drift of
9.6 mm (0.38 inch) (ripper off the ground) 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) (ripper off the ground) above oil temperature of
66 °C (150 °F) is 1.7 mins
( 1 ) N = Normal, M = Monitor, A = Action

Cycle Time Tests

Table 10
Status (1)     Description     Specification     Actual     Comments    
    Bulldozer Tilt Cylinder (Move the Bulldozer Blades "S" and "U" full travel from TILT RIGHT to TILT LEFT) at oil temperature of
65 ± 3 °C (149 ± 5 °F)
   
2.4 seconds            
    Bulldozer Tilt Cylinder (Move the Bulldozer Blade "A" full travel from TILT RIGHT to TILT LEFT) at oil temperature of
65 ± 3 °C (149 ± 5 °F)
   
1.8 seconds            
    Bulldozer Lift Cylinder (Move the Bulldozer Blades "S", "U", and "A" full travel from LOWER to RAISE) at oil temperature of
65 ± 3 °C (149 ± 5 °F)
   
4.3 seconds            
    Bulldozer Lift Cylinder (Move the Bulldozer Blades "S", "U", and "A" full travel from RAISE to LOWER (the operation of the quick drop valve)) at oil temperature of
65 ± 3 °C (149 ± 5 °F)
   
1.3 seconds            
    Ripper Cylinder (Move the Ripper Blade full travel from LOWER to RAISE without the shank)     2.8 seconds            
( 1 ) N = Normal, M = Monitor, A = Action

Steering Checks

Table 11
Status (1)     Description     Specification     Actual     Comments    
    Steering Turn Diameter Check - Full Steer Left    
1.8 to 2.3 m (5.9 to 7.5 ft)    
    Raise all of the equipment to a full raise.    
    Steering Turn Diameter Check - Full Steer Right    
1.8 to 2.3 m (5.9 to 7.5 ft)    
    Raise all of the equipment to a full raise.    
    Steering Turn Diameter Check - Full Steer Right or Left    
4.8 to 6.0 m (16 to 20 ft)    
    Hold the bulldozer control lever in the full RAISE position.    
( 1 ) N = Normal, M = Monitor, A = Action

Hydraulic System

ReferenceRefer to Testing & Adjusting, SENR9498, "Hydraulic Systems" for more detail on the following tests.

Pump Discharge Pressure - Test

Table 12
Status (1)     Description     Specification     Actual     Comments    
    Low Pressure Standby Test at HIGH IDLE    
3000 kPa (435 psi)    
       
    High Pressure Stall Test at HIGH IDLE    
38500 ± 550 kPa (5585 ± 80 psi)    
       
    Margin Pressure Test at HIGH IDLE    
2100 ± 70 kPa (305 ± 10 psi)    
       
( 1 ) N = Normal, M = Monitor, A = Action

Pressure Limiter Valve - Test

Table 13
Status (1)     Description     Specification     Actual     Comments    
    Pressure setting for Pressure Limiter Valve for Bulldozer Lift Circuit    
22750 ± 300 kPa (3300 ± 45 psi)    
       
    Pressure setting for Pressure Limiter Valve for Bulldozer Tilt Circuit    
17225 ± 300 kPa (2500 ± 45 psi)    
       
    Pressure setting for Pressure Limiter Valve for Ripper Lift Circuit    
22750 ± 300 kPa (3300 ± 45 psi)    
       
( 1 ) N = Normal, M = Monitor, A = Action

Power Train System

ReferenceRefer to Testing & Adjusting, SENR9495, "Power Train System" for more detail on the following tests.

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

Table 14
Status (1)     Description     Specification     Actual     Comments    
    Torque Converter Inlet Relief Valve Pressure at HIGH IDLE    
720 ± 70 kPa (105 ± 10 psi) at operating temperature and
896 kPa (130 psi) for cold oil temperature    
       
( 1 ) N = Normal, M = Monitor, A = Action

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

Table 15
Status (1)     Description     Specification     Actual     Comments    
    Torque Converter Outlet Relief Valve Pressure at Third Speed Forward & Converter in Stall Condition with Service Brake Pedal Engaged    
410 ± 70 kPa (60 ± 10 psi)    
       
( 1 ) N = Normal, M = Monitor, A = Action

Priority Valve - Adjust

Table 16
Status (1)     Description     Specification     Actual     Comments    
    Priority Valve Pressure at LOW IDLE with Parking Brake Switch Disengaged    
2925 ± 100 kPa (424 ± 15 psi)    
       
    Priority Valve Pressure at HIGH IDLE with Service Brake Engaged    
1100 kPa (160 psi) maximum    
       
( 1 ) N = Normal, M = Monitor, A = Action

Main Relief Valve - Adjust

Table 17
Status (1)     Description     Specification     Actual     Comments    
    Transmission Main Relief Valve Pressure at LOW IDLE with Parking Brake Switch Engaged    
2925 ± 100 kPa (424 ± 15 psi)    
       
    Transmission Main Relief Valve Pressure at HIGH IDLE with Service Brake Engaged    
3100 ± 150 kPa (450 ± 22 psi)    
       
( 1 ) N = Normal, M = Monitor, A = Action

Transmission Lubrication Oil Pressure - Test

Table 18
Status (1)     Description     Specification     Actual     Comments    
    Transmission Lubrication Oil Pressure at LOW IDLE with Brakes OFF    
3 kPa (0.44 psi) minimum    
       
    Transmission Lubrication Oil Pressure at HIGH IDLE with Brakes OFF    
320 ± 55 kPa (46.4 ± 8.0 psi)    
       
( 1 ) N = Normal, M = Monitor, A = Action

Brake Pressure - Test and Adjust

Table 19
Status (1)     Description     Specification     Actual     Comments    
    Right Brake Pressure (HIGH IDLE with Brakes OFF) with Parking Brake Switch Disengaged    
2895 ± 140 kPa (420 ± 20 psi)    
       
    Left Brake Pressure (HIGH IDLE with Brakes OFF) with Parking Brake Switch Disengaged    
2895 ± 140 kPa (420 ± 20 psi)    
       
    Left Brake Pressure (HIGH IDLE with Brakes ON) with Service Brake Engaged    
10 kPa (1.5 psi) maximum    
       
    Right Brake Pressure (LOW IDLE with Brakes OFF) with Parking Brake Switch Disengaged    
2750 ± 150 kPa (400 ± 22 psi)    
       
    Left Brake Pressure (LOW IDLE with Brakes OFF) with Parking Brake Switch Disengaged    
2750 ± 150 kPa (400 ± 22 psi)    
       
    Left Brake Pressure (LOW IDLE with Brakes ON) with Service Brake Engaged    
10 kPa (1.5 psi) maximum    
       
    Right Brake Lubrication Pressure (HIGH IDLE with Brakes OFF)    
65 ± 25 kPa (9.5 ± 3.5 psi)    
       
    Left Brake Lubrication Pressure (HIGH IDLE with Brakes OFF)    
65 ± 25 kPa (9.5 ± 3.5 psi)    
       
    Right Brake Lubrication Pressure (LOW IDLE with Brakes OFF)    
5 kPa (0.73 psi) minimum    
       
    Left Brake Lubrication Pressure (LOW IDLE with Brakes OFF)    
5 kPa (0.73 psi) minimum    
       
( 1 ) N = Normal, M = Monitor, A = Action

Pump Drive Lubrication - Test

Table 20
Status (1)     Description     Specification     Actual     Comments    
    Pump Drive Lubrication Pressure at LOW IDLE with Brakes ON    
170 ± 70 kPa (25 ± 10 psi) minimum    
       
    Pump Drive Lubrication Pressure at HIGH IDLE with Brakes ON    
520 ± 100 kPa (75.4 ± 14.5 psi)    
       
( 1 ) N = Normal, M = Monitor, A = Action

S.O.S

ReferenceRefer to Operation and Maintenance Manual, SEBU6887, "Maintenance Interval Schedule" for more detail on the following S.O.S.

Table 21
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

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