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CB7, CB8, and CB10 Compactors TA2 Technical Inspection {0372, 1000, 7000, 7533, 753T, 7565} Caterpillar


CB7, CB8, and CB10 Compactors TA2 Technical Inspection {0372, 1000, 7000, 7533, 753T, 7565}

Usage:

CB8 CB8
Paving Compactor
CB10 (S/N: NPP1-UP; P8P1-UP)
CB7 (S/N: EL51-UP; NLJ1-UP)
Vibratory Asphalt Compactor
CB8 (S/N: JL41-UP; CB81-UP)

Introduction

Inspections are the most basic form of condition monitoring. Inspections 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).    Refer to Operation and Maintenance Manual, M0075042, "Battery and Battery Cables". 
  Battery Test  12.4 VDC or more    Refer to Special Instruction, SEHS9326, "Battery Test Sheet Report". 
  Charging System Test      Refer to Testing and Adjusting, UENR4487, "Charging System - Test".
Refer to Special Instruction, REHS0354, "Charging System Troubleshooting". 
  Electric Starting System Test      Refer to Testing and Adjusting, UENR4524, "Electric Starting System - Test". 
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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)      Use Pressurizing Pump to test the radiator pressure cap. 20 kPa (3 psi) more than the pressure marked on the cap. 
  Freezing Point of Engine Coolant       
  Conditioner Test of Engine Coolant       
  Belt Tension  535 N (120 lb) for new belts.
355 N (80 lb) for used belts. 		   Auto Adjust Belt Tensioner 
  Difference between the Upper and Lower Radiator Tank Temperatures       
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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 at Idle Speed  150 kPa (22 psi)     
  Maximum Fuel Pressure of the High-Pressure Fuel System  200000 kPa (29008 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 
  Minimum Oil Pressure at Full Engine Speed and at Normal Operating Temperature  280 kPa (40 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 
  Cylinder Cutout Test       
  Engine Crankcase Pressure (Blowby)       
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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 
  Cylinder # 1 Exhaust Temperature(2)  -     
  Cylinder # 2 Exhaust Temperature (2)  -     
  Cylinder # 3 Exhaust Temperature (2)  -     
  Cylinder # 4 Exhaust Temperature (2)  -     
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(1) N = Normal, M = Monitor, A = Action
(2) Compare the exhaust temperature variance at each exhaust port.

Propel System

Reference: Refer to Testing & Adjusting, M0078120 for more detail of CB10 on the following test.

Reference: Refer to Testing & Adjusting, M0075040 for more detail of CB7 and CB8 on the following test.

Relief Valve (Charge) - Test and Adjust (Solid Drum)

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Illustration 1g06181788
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Illustration 2g06181789

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Table 7
Status(1)  Description  Specification  Actual  Comments 
  The pressure at charge pressure tap (1)  3000 ± 300 kPa (435 ± 44 psi)     
  Torque applied to locknut (2) by holding adjustment screw (3) in place  12 N·m (106 lb in)     
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(1) N = Normal, M = Monitor, A = Action

Relief Valve (Charge) - Test and Adjust (Split Drum)

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Illustration 3g06181791
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Illustration 4g06181793

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Table 8
Status(1)  Description  Specification  Actual  Comments 
  The pressure at charge pressure tap (4)  3000 ± 300 kPa (435 ± 44 psi) for CB7 and CB8     
42500 ± 2000 kPa (6164 ± 290 psi) for CB10
  Torque applied to locknut (5) by holding adjustment screw (6) in place  12 N·m (106 lb in)     
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(1) N = Normal, M = Monitor, A = Action

Relief Valve (Main) - Test and Adjust (Solid Drum)

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Illustration 5g06181796

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Table 9
Status(1)  Description  Specification  Actual  Comments 
  Pressure at port "Ma" (8) and port "Mb" (7)  38000 ± 2000 kPa (5512 ± 290 psi) for CB10     
42500 ± 2000 kPa (6164 ± 290 psi) for CB7 and CB8
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(1) N = Normal, M = Monitor, A = Action

Relief Valve (Main) - Test and Adjust (Split Drum)

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Illustration 6g06181804
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Illustration 7g06181801

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Table 10
Status(1)  Description  Specification  Actual  Comments 
  Pressure at port "Ma" (10) and port "Mb" (11)  42500 ± 2000 kPa (6164 ± 290 psi)     
  Pressure at port "Mc" (12) and port "Md" (9)  42500 ± 2000 kPa (6164 ± 290 psi)     
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(1) N = Normal, M = Monitor, A = Action

Piston Motor Case Drain Flow (Propel) - Test (Solid Drum)

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Table 11
Status(1)  Description  Specification  Actual  Comments 
  Motor flow rate  3.5 L/min (0.9 US gpm) to 10.0 L/min (2.6 US gpm) for CB10     
5.5 L/min (1.5 US gpm) to 12.5 L/min (3.3 US gpm) for CB7 and CB8
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(1) N = Normal, M = Monitor, A = Action

Piston Motor Case Drain Flow (Propel) - Test (Split Drum)

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Table 12
Status(1)  Description  Specification  Actual  Comments 
  Motor flow rate  3.0 L/min (0.8 US gpm) to 9.0 L/min (2.4 US gpm)     
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(1) N = Normal, M = Monitor, A = Action

Travel Speed - Check

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Table 13
Status(1)  Description  Specification  Actual  Comments 
  Motor flow rate  15.7 ± 1.2 seconds     
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(1) N = Normal, M = Monitor, A = Action

Vibratory System

Reference: Refer to Testing & Adjusting, M0078120 for more detail of CB10 on the following test.

Reference: Refer to Testing & Adjusting, M0075044 for more detail of CB7 and CB8 on the following test.

Piston Pump Neutral - Test and Adjust (Solid Drum)

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Illustration 8g06181834

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Table 14
Status(1)  Description  Specification  Actual  Comments 
  Target differential pressure between port "Ma" and port "Mb"  Less than 200 kPa (29 psi) for CB10     
Less than 150 kPa (22 psi) for CB7 and CB8
  Torque applied to locknut (1) by holding adjustment screw (2) in place  20 N·m (177 lb in)     
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(1) N = Normal, M = Monitor, A = Action

Piston Pump Neutral - Test and Adjust (Split Drum)

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Illustration 9g06181835
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Illustration 10g06181836

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Table 15
Status(1)  Description  Specification  Actual  Comments 
  Target differential pressure between port  Less than 260 kPa (38 psi) for CB10     
Less than 200 kPa (29 psi) for CB7 and CB8
  Proper torque for plugs in port "M4" (3) and port "M5" (4)  12 N·m (106 lb in)     
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(1) N = Normal, M = Monitor, A = Action

Piston Pump Neutral (Electronic Displacement Control) - Test and Adjust (Split Drum)

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Table 16
Status(1)  Description  Specification  Actual  Comments 
  Target differential pressure between port  Less than 260 kPa (38 psi)     
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(1) N = Normal, M = Monitor, A = Action

Piston Pump Neutral (Electronic Displacement Control) - Test and Adjust (Solid Drum)

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Illustration 11g06182831
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Illustration 12g06182838
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Illustration 13g06182839

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Table 17
Status(1)  Description  Specification  Actual  Comments 
  Target differential pressure between port  Less than 70 kPa (10 psi)     
  Torque applied to locknut (5) by holding adjustment screw (6) in place  10 N·m (89 lb in)     
  Proper torque for plugs in port "M4" (7) and port "M5" (8)  12 N·m (106 lb in)     
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(1) N = Normal, M = Monitor, A = Action

S·O·S Samples

Reference: Refer to Operation and Maintenance Manual, M0075042, "Maintenance Interval Schedule" for more detail on performing S.0.S samples.

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Table 18
Status(1)  Description  Obtain  Comments 
  Engine Oil Sample     
  Engine Coolant Sample (Level II)     
  Hydraulic Oil Sample     
  Vibratory Bearing Oil Sample     
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(1) N = Normal, M = Monitor, A = Action

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