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CB1.7 and CB1.8 Compactors TA2 Technical Inspection {0372, 0374, 1000, 7000, 753T, 7565} Caterpillar


CB1.7 and CB1.8 Compactors TA2 Technical Inspection {0372, 0374, 1000, 7000, 753T, 7565}

Usage:

CB1.7 643
Vibratory Utility Compactor
CB1.7 (S/N: 6431-UP; SA71-UP; HRB1-UP)
CB1.8 (S/N: 6441-UP; MP91-UP; ERX1-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 
  Alternator Test  14.0 ± 0.5 Volts    Refer to Testing and Adjusting, KENR6947, "Alternator - Test". 
  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, M0082430, "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, KENR6947, "Charging System - Test".
Refer to Special Instruction, REHS0354, "Charging System Troubleshooting". 
  Electric Starting System Test      Refer to Testing and Adjusting, KENR6947, "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      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  31 kPa (4.5 psi)     
  Maximum Fuel Pressure of the High-Pressure Fuel System  42 to 70 kPa (6 to 10 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  196 to 441 kPa (28.4 to 64 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       
  Engine Speed at High Idle       
  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)  -     
  Air Pressure supplied to the wastegate to move the actuator rod by 1.0 mm (0.039 inch)  52 kPa (7.54 psi)     
  Compression Pressure at 2500 rpm (Standard Assembly)  2940 kPa (426 psi)     
  Compression Pressure at 2500 rpm (Repair Limit)  2450 kPa (355 psi)     
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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, M0080285 for more detail on the following test.

Relief Valve (Charge) - Test and Adjust

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Illustration 1g06381159

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Table 7
Status(1)  Description  Specification  Actual  Comments 
  The pressure at charge pressure tap (1)  1100 ± 100 kPa (160 ± 14 psi) to 1400 ± 100 kPa (203 ± 14 psi)     
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(1) N = Normal, M = Monitor, A = Action

Relief Valve (Main) - Test and Adjust

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Illustration 2g06381171

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Table 8
Status(1)  Description  Specification  Actual  Comments 
  Pressure at port "Ma" (2) and port "Mb" (3)  35000 ± 1000 kPa (5076 ± 145 psi)     
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(1) N = Normal, M = Monitor, A = Action

Relief Valve (Flushing Valve) - Test and Adjust

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Illustration 3g06381661
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Illustration 4g06381664

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Table 9
Status(1)  Description  Specification  Actual  Comments 
  The pressure at charge pressure tap (4)  1100 ± 100 kPa (160 ± 14 psi) to 1400 ± 100 kPa (203 ± 14 psi)     
  Forward flushing pressure at port "3" (6) in the bottom of flushing valve (5)  1100 kPa (160 psi)     
  Reverse flushing pressure at port "3" (6) in the bottom of flushing valve (5)  1100 kPa (160 psi)     
  Target differential pressure  300 ± 100 kPa (44 ± 15 psi)     
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(1) N = Normal, M = Monitor, A = Action

Piston Pump Neutral - Test and Adjust

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Table 10
Status(1)  Description  Specification  Actual  Comments 
  Forward pressure at port "Mb"  1100 ± 300 kPa (160 ± 45 psi)     
  Reverse pressure at port "Ma"  1100 ± 300 kPa (160 ± 45 psi)     
  Target differential pressure between port "Ma" and port "Mb"  0 to 400 kPa (58 psi)     
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(1) N = Normal, M = Monitor, A = Action

Piston Motor Case Drain Flow (Propel) - Test

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Table 11
Status(1)  Description  Specification  Actual  Comments 
  Motor flow rate  3.8 L/min (1.0 US gpm)     
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(1) N = Normal, M = Monitor, A = Action

Parking Brake - Test

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Table 12
Status(1)  Description  Specification  Actual  Comments 
  Maximum rotation of drum before brake sets  1/2 revolution     
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(1) N = Normal, M = Monitor, A = Action

Vibratory System

Reference: Refer to Testing & Adjusting, M0080287 for more detail on the following test.

Gear Pump Flow (Vibratory)

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Table 13
Status(1)  Description  Specification  Actual  Comments 
  Vibratory pump target flow rate  22 ± 2 L/min (5.8 ± 0.5 US gpm)     
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(1) N = Normal, M = Monitor, A = Action

Relief Valve (Vibratory) - Test and Adjust

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Table 14
Status(1)  Description  Specification  Actual  Comments 
  Vibratory main relief pressure at vibratory pressure tap  22500 ± 1500 kPa (3263 ± 218 psi)     
  Approximate relief pressure change with a quarter turn of the vibratory relief adjustment screw  2000 kPa (290 psi)     
  Tightening torque for the vibratory relief valve cap  14.6 ± 0.6 N·m (129 ± 5 lb in)     
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(1) N = Normal, M = Monitor, A = Action

Gear Motor Case Drain Flow (Vibratory) - Test

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Table 15
Status(1)  Description  Specification  Actual  Comments 
  Maximum case drain flow rate  2 L/min (0.5 US gpm)     
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(1) N = Normal, M = Monitor, A = Action

Vibratory Frequency - Test

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Table 16
Status(1)  Description  Specification  Actual  Comments 
  Vibratory frequency  3700 ± 200 rpm     
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(1) N = Normal, M = Monitor, A = Action

Gear Pump Flow (Steering) - Test

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Illustration 5g06381171

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Table 17
Status(1)  Description  Specification  Actual  Comments 
  Steering pump flow rate  15 ± 2 L/min (4 ± 0.5 US gpm)     
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(1) N = Normal, M = Monitor, A = Action

Relief Valve (Steering) - Test

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Table 18
Status(1)  Description  Specification  Actual  Comments 
  Charge Pressure  1100 ± 100 kPa (160 ± 14.5 psi)     
  Steering differential pressure  12500 ± 1000 kPa (1813 ± 145 psi)     
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(1) N = Normal, M = Monitor, A = Action

Water Spray Pump Pressure - Test

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Table 19
Status(1)  Description  Specification  Actual  Comments 
  Approximate average water pump flow for 30 seconds under load.  3.0 ± 0.5 L/min (0.8 ± 0.1 US gpm)     
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(1) N = Normal, M = Monitor, A = Action

S·O·S Samples

Reference: Refer to Operation and Maintenance Manual, M0082430, "Maintenance Interval Schedule" for more detail on performing S.0.S samples.

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Table 20
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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