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D11T Track-Type Tractor TA2 Technical Inspection {0372, 1000, 7000, 753T, 7565} Caterpillar


D11T Track-Type Tractor TA2 Technical Inspection {0372, 1000, 7000, 753T, 7565}

Usage:

D11T GEB
Track-Type Tractor
D11T (S/N: GEB1-UP; TPB1-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

Use the following procedure to create an editable electronic copy from SIS Web.

  1. Click format to print.

  2. Save the document as an HTML format.

  3. Open the document with Microsoft Word.

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  28 ± 1 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, SENR9937, "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
Status(1)  Description  Specification  Actual  Comments 
  Radiator Pressure Relief (Radiator Cap)(2)  -     
  Freezing Point of Engine Coolant  -     
  Conditioner Test of Engine Coolant  -     
  Belt Tension  -     
  Jacket Water Inlet Temperature from Cooling System       
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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 of the Low Pressure Fuel System  607 kPa (88 psi)     
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(1) 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  234 kPa (34 psi)     
  Engine Oil Pressure  379 kPa (55 psi)     
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(1) 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  900 ± 10 rpm     
  Engine Speed at High Idle  1950 ± 10 rpm     
  Torque Converter Stall Test Engine RPM  1350 ± 10 rpm     
  Cylinder Cutout Test  -    Cat® Electronic Technician (Cat ET) Service Tool 
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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 
  Boost Pressure at Torque Converter Stall Test Engine RPM  120.9 ± 18 CM_HG (47.6 ± 7.1 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)  -     
  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

Reference: Refer to Testing & Adjusting, RENR8229, "Hydraulic System" for more detail on the following test.

Operational Tests For D11T Carrydozer (S/N: TPB)

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Table 7
Status(1)  Description  Specification  Actual  Comments 
  Bulldozer Lift Cylinder (Move the blade from the ground to the fully retracted position). RAISE(2)  5.1 seconds     
  Bulldozer Lift Cylinder (Move the blade from the fully extended position to the fully retracted position). RAISE  5.9 seconds     
  Bulldozer Lift Cylinder (Move the blade from the fully retracted position to the fully extended position). LOWER(3)  4.9 seconds     
  Bulldozer Lift Cylinder (Move the blade from the fully retracted position to the ground). LOWER(2)(3)  4.2 seconds     
  Bulldozer Lift Cylinder (Move the blade from the fully retracted position to the ground). LOWER FLOAT(2)(4)  1.9 seconds     
  Bulldozer Dual Tilt Cylinder (Move the tilt cylinders from TILT RIGHT to TILT LEFT.) (Dual Tilt)  4.0 seconds     
  Bulldozer Tilt Cylinder (Move the tilt cylinders from TILT LEFT to TILT RIGHT). (Dual Tilt)  4.0 seconds     
  Bulldozer Tilt Cylinder (Move the tilt cylinders from the fully retracted position to the fully extended position). PITCH FORWARD (Blade Pitch)  8.6 seconds     
  Bulldozer Tilt Cylinder (Move the tilt cylinders from the fully extended position to the fully retracted position). PITCH BACK (Blade Pitch)  11.5 seconds     
  Ripper Lift Cylinder (Move the ripper from the fully extended position to the fully retracted position). RAISE  5.4 seconds     
  Ripper Lift Cylinder (Move the ripper from the fully retracted position to the fully extended position). LOWER  5.9 seconds     
  Ripper Tip Cylinder (Move the ripper tip from the fully retracted position to the fully extended position). TIP IN  5.5 seconds     
  Ripper Tip Cylinder (Move the ripper tip from the fully extended position to the fully retracted position). TIP OUT  4.6 seconds     
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(1) N = Normal, M = Monitor, A = Action
(2) The machine must be on level ground.
(3) The FLOAT mode must not be active.
(4) The FLOAT mode must be active.

Operational Tests For D11T (S/N: GEB)

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Table 8
Status(1)  Description  Specification  Actual  Comments 
  Bulldozer Lift Cylinder (Move the blade from the fully extended position to the fully retracted position). RAISE  6.5 seconds     
  Bulldozer Tilt Cylinder (Move the tilt cylinders from TILT RIGHT to TILT LEFT) (Dual Tilt).  6.7 seconds     
  Bulldozer Tilt Cylinder (Move the tilt cylinders from TILT LEFT to TILT RIGHT) (Dual Tilt).  6.7 seconds     
  Ripper Lift Cylinder (Move the ripper from the fully extended position to the fully retracted position) RAISE.  6.0 seconds     
  Ripper Tip Cylinder (Move the ripper tip from the fully retracted position to the fully extended position) TIP IN.  6.9 seconds     
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(1) N = Normal, M = Monitor, A = Action

Cylinder Drift Test

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Table 9
Status(1)  Description  Specification  Actual  Comments 
  Bulldozer Lift Cylinder Drift Test  7.2 mm (0.28 inch) Maximum at 38 °C (100 °F) for 1 minute
72 mm (2.8 inch) after 10 minutes 		    
23 mm (0.91 inch) Maximum at 55 °C (131 °F) for 1 minute
230 mm (9.1 inch) after 10 minutes
31 mm (1.2 inch) Maximum at 78 °C (172 °F) for 1 minute
310 mm (12.2 inch) after 10 minutes
  Bulldozer Tilt Cylinder Drift Test  3.9 mm (0.15 inch) Maximum at 38 °C (100 °F) for 1 minute
39 mm (1.5 inch) after 10 minutes 		    
11.7 mm (0.46 inch) Maximum at 55 °C (131 °F) for 1 minute
117 mm (4.6 inch) after 10 minutes
18.4 mm (0.72 inch) Maximum at 78 °C (172 °F) for 1 minute
184 mm (7.2 inch) after 10 minutes
  Ripper Lift Cylinder Drift Test  1.0 mm (0.04 inch) Maximum at 38 °C (100 °F) for 1 minute
10 mm (0.4 inch) after 10 minutes 		    
2.2 mm (0.09 inch) Maximum at 55 °C (131 °F) for 1 minute
22 mm (0.9 inch) after 10 minutes
2.7 mm (0.11 inch) Maximum at 78 °C (172 °F) for 1 minute
27 mm (1.1 inch) after 10 minutes
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(1) N = Normal, M = Monitor, A = Action

Hydraulic System

Reference: Refer to Testing & Adjusting, RENR8229, "Hydraulic System" for more detail on the following test.

Pilot System Pressure - Test & Adjust

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Table 10
Status(1)  Description  Specification  Actual  Comments 
  Pilot System Pressure (LOW IDLE) at Pressure Tap (HPSR)  4068 ± 207 kPa (590 ± 30 psi)     
  Pilot System Pressure (HIGH IDLE) at Pressure Tap (HPS)  3630 ± 200 kPa (525 ± 30 psi)     
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(1) N = Normal, M = Monitor, A = Action

Relief Valve - Test and Adjust

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Table 11
Status(1)  Description  Specification  Actual  Comments 
  Relief Valve for Bulldozer Tilt Circuit at HIGH IDLE  24825 ± 250 kPa (3601 ± 36.3 psi)(2)     
24300 ± 150 kPa (3524 ± 21.8 psi)(3)
  Relief Valve for Bulldozer Lift, Ripper Lift, and Ripper Tip Circuits at HIGH IDLE  24135 ± 350 kPa (3500 ± 50.7 psi)(2)     
22700 ± 500 kPa (3292 ± 72.5 psi)(3)
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(1) N = Normal, M = Monitor, A = Action
(2) D11T Carrydozer (S/N: TPB)
(3) D11T (S/N: GEB)

Hydraulic Fan Drive System - Test and Adjust

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Table 12
Status(1)  Description  Specification  Actual  Comments 
  Maximum Mechanical High Pressure at Pressure Tap (HFPD) at HIGH IDLE  17200 ± 700 kPa (2500 ± 100 psi)     
  Minimum Fan Pump Pressure at Pressure Tap (HFPD) at HIGH IDLE  2000 ± 240 kPa (290 ± 35 psi)     
  Maximum Controlled Fan Speed (Target Clip Speed)  1025 (+25/-0) RPM     
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(1) N = Normal, M = Monitor, A = Action

Electrohydraulic Pilot Manifold - Test

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Table 13
Status(1)  Description  Specification  Actual  Comments 
  Solenoid Valve Pressure at HIGH IDLE for Blade Raise, Blade Lower and Blade Tilt  3500 ± 345 kPa (500 ± 50 psi)     
  Solenoid Valve Pressure at HIGH IDLE for Ripper Raise, Ripper Lower and Ripper Tips  3500 ± 345 kPa (500 ± 50 psi)     
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(1) N = Normal, M = Monitor, A = Action

Power Train System

Reference: Refer to Testing & Adjusting, RENR8224, "Power Train" for more detail on the following test.

Priority Valve - Adjust

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Table 14
Status(1)  Description  Specification  Actual  Comments 
  Priority Valve at Pressure Tap (T) at HIGH IDLE  3310 ± 170 kPa (480 ± 20 psi)     
  Priority Valve at Pressure Tap (T) at Low Idle  2895 ± 170 kPa (420 ± 25 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 15
Status(1)  Description  Specification  Actual  Comments 
  Torque Converter Outlet Relief Valve at Pressure Tap (N) at LOW IDLE  100 ± 50 kPa (15 ± 7 psi)     
  Torque Converter Outlet Relief Valve at Pressure Tap (N) at HIGH IDLE  580 ± 50 kPa (84 ± 7 psi)     
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(1) N = Normal, M = Monitor, A = Action

Transmission Lubrication Oil Pressure - Test -Transmission Lubrication and Lubrication Distribution Manifold)

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Table 16
Status(1)  Description  Specification  Actual  Comments 
  Lubrication Distribution Manifold Pressure at Pressure Tap (L2) at LOW IDLE  43 ± 15 kPa (6 ± 2 psi)     
  Lubrication Distribution Manifold Pressure at Pressure Tap (L2) at HIGH IDLE  320 ± 40 kPa (46 ± 6 psi)     
  Transmission Lubrication Pressure at Pressure Tap (L1) at LOW IDLE  17 ± 10 kPa (3 ± 2 psi)     
  Transmission Lubrication Pressure at Pressure Tap (L1) at HIGH IDLE  100 ± 15 kPa (15 ± 2 psi)     
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(1) N = Normal, M = Monitor, A = Action

Load Piston - Adjust

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Table 17
Status(1)  Description  Specification  Actual  Comments 
  Load Piston Pressure at Pressure Tap (P1) at HIGH IDLE  2590 ± 170 kPa (376 ± 25 psi)     
  Load Piston Pressure at Pressure Tap (P1) at LOW IDLE  A maximum pressure of 480 kPa (70 psi) below the pressure of (P1) at HIGH IDLE     
  Load Piston Pressure at Pressure Tap (P2) at HIGH IDLE  A maximum pressure of 380 ± 35 kPa (55 ± 5 psi) below the pressure of (P1) at (HIGH IDLE)     
  Load Piston Pressure at Pressure Tap (P2) at LOW IDLE  A maximum pressure of 380 ± 35 kPa (55 ± 5 psi) below the pressure of (P1) at (LOW IDLE)     
  Load Piston Pressure at Pressure Tap (P1) at LOW IDLE With Load Plug (LP) Removed  530 ± 35 kPa (77 ± 5 psi)     
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(1) N = Normal, M = Monitor, A = Action

Braking System

Reference: Refer to Testing & Adjusting, RENR8224, "Power Train" for more detail on the following test.

Steering Clutch and Brake Pressure - Test

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Table 18
Status(1)  Description  Specification  Actual  Comments 
  Steering Clutch Pressure at Pressure Tap (C1) at HIGH IDLE  2340 ± 140 kPa (340 ± 20 psi)     
  Steering Clutch Pressure at Pressure Tap (C2) at HIGH IDLE  2340 ± 140 kPa (340 ± 20 psi)     
  Brake Pressure at Pressure Tap (B1) at HIGH IDLE  3100 ± 140 kPa (450 ± 20 psi)     
  Brake Pressure at Pressure Tap (B2) at HIGH IDLE  3100 ± 140 kPa (450 ± 20 psi)     
  Brake Pressure at Pressure Tap B2 With the Right-Hand Brake On the Hand Control Applied at HIGH IDLE  345 kPa (50 psi) Maximum     
  Brake Pressure at Pressure Tap B1 With the Left-Hand Brake On the Hand Control Applied at HIGH IDLE  345 kPa (50 psi) Maximum     
  Brake Pressure at Pressure Tap B2 With the Foot Control and Both Brakes Applied at HIGH IDLE  70 kPa (10 psi) Maximum     
  Brake Pressure at Pressure Tap B1 With the Foot Control and Both Brakes Applied at HIGH IDLE  70 kPa (10 psi) Maximum     
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(1) N = Normal, M = Monitor, A = Action

S.O.S

Reference: Refer to Operation and Maintenance Manual, SEBU8135, "Maintenance Interval Schedule" for more detail on performing S.O.S samples.

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Table 19
Status(1)  Description  Obtain  Comments 
  Engine Oil Sample     
  Engine Coolant Sample (Level II)     
  Hydraulic Oil Sample     
  Transmission Oil Sample     
  Rear Right Final Drive Oil Sample     
  Rear Left Final Drive Oil Sample     
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(1) N = Normal, M = Monitor, A = Action

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