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836G Landfill Compactor TA2 Technical Inspection {0372, 1000, 7000, 753T, 7565} Caterpillar


836G Landfill Compactor TA2 Technical Inspection {0372, 1000, 7000, 753T, 7565}

Usage:

836G 7MZ
Landfill Compactor
836G (S/N: BRL1-UP; 7MZ1-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

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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  18 VDC to 32 VDC     
  Electric Starting System Test  12 to 16 V at −23° C (−10° F) to −7° C (19° F)    Refer to Testing and Adjusting, RENR1363, "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  -    Refer to Operation and Maintenance Manual. 
  Difference between the Upper and Lower Radiator Tank Temperatures  -     
  Aftercooler Water Outlet Temperature       
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(1) N = Normal, M = Monitor, A = Action
(2) Test for the pressure that is listed on the cap.

Fuel System Pressure - Test

Reference: Refer to Testing & Adjusting, RENR1363, "Fuel System Pressure - Test" for more detail on the following tests.

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Table 3
Status(1)  Description  Specification  Actual  Comments 
  Fuel Pressure at Low Idle  228 ± 34 kPa (33 ± 5 psi)     
  Fuel Pressure at High Idle  379 ± 34 kPa (55 ± 5 psi)     
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(1) N = Normal, M = Monitor, A = Action

Basic Engine

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Table 4
Status(1)  Description  Specification  Actual  Comments 
  Engine Speed at Low Idle  850 rpm     
  Engine Speed at High Idle  2120 rpm     
  Torque Converter Stall Test Engine RPM  1200 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 5
Status(1)  Description  Specification  Actual  Comments 
  Torque Converter Stall Test Boost Pressure  -     
  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)  -     
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(1) N = Normal, M = Monitor, A = Action
(2) Compare the exhaust temperature variance at each exhaust port.

Hydraulic Performance Checks

Reference: Refer to Testing & Adjusting, RENR2192, "Electrohydraulic System" for more detail on the following test.

Implement Cycle Time-Check

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Table 6
Status(1)  Description  Specification  Actual  Comments 
  Lift Raise  3.0 seconds     
  Lift Lower  3.0 seconds     
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(1) N = Normal, M = Monitor, A = Action

Torque Converter Stall - Test

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Table 7
Status(1)  Description  Specification  Actual  Comments 
  Torque Converter Stall Speed Third Gear  1750 ± 60 rpm     
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(1) N = Normal, M = Monitor, A = Action

Torque Converter Stall and Implement Pump Double Stall - Test

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Table 8
Status(1)  Description  Specification  Actual  Comments 
  Torque Converter Stall Speed Third Gear (Double Stall)  1650 ± 80 rpm     
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(1) N = Normal, M = Monitor, A = Action

Lift Cylinder - Isolation and Drift Check

Reference: Refer to Testing and Adjusting, RENR2192, "Lift Cylinder Drift - Check" for more information on this test.

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Table 9
Status(1)  Description  Specification  Actual  Comments 
  Lift Cylinder Drift Test  60 mm (2.35 inch) Maximum at 38 °C (100 °F) to 49 °C (120 °F) for 5 minutes     
60 mm (2.35 inch) Maximum at 49 °C (120 °F) to 66 °C (150 °F) for 2.7 minutes
60 mm (2.35 inch) Maximum above 66 °C (150 °F) for 1.7 minutes
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(1) N = Normal, M = Monitor, A = Action

Relief Valve (Steering Pilot, Implement Pilot)- Test and Adjust

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Table 10
Status(1)  Description  Specification  Actual  Comments 
  Pilot oil pressure  2400 ± 100 kPa (350 ± 15 psi)     
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(1) N = Normal, M = Monitor, A = Action

Pressure Reducing Valve (Lowering Control) for Dead Engine Condition - Test and Adjust

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Table 11
Status(1)  Description  Specification  Actual  Comments 
  Pressure Reducing Valve  1650 ± 150 kPa (240 ± 20 psi)     
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(1) N = Normal, M = Monitor, A = Action

Relief Valve (Main) - Test and Adjust

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Table 12
Status(1)  Description  Specification  Actual  Comments 
  Relief Valve (Main) Pressure  24100 ± 340 kPa (3500 ± 50 psi)     
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(1) N = Normal, M = Monitor, A = Action

Pilot Control Actuator Pressure - Check

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Table 13
Status(1)  Description  Specification  Actual  Comments 
  Pilot Control Actuator Pressure  275 kPa (40 psi)     
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(1) N = Normal, M = Monitor, A = Action

Relief Valve (Line) - Test and Adjust

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Table 14
Status(1)  Description  Specification  Actual  Comments 
  Relief Valve (Line) Pressure  27000 ± 1500 kPa (4000 ± 200 psi)     
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(1) N = Normal, M = Monitor, A = Action

Fan System

Reference: Refer to Testing & Adjusting, RENR2192, "Electrohydraulic System" for more detail on the following test.

Piston Pump Cutoff Pressure (Hydraulic Fan) - Test and Adjust

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Table 15
Status(1)  Description  Specification  Actual  Comments 
  Cut off Pressure at High Idle  17850 ± 1000 kPa (2588 ± 145 psi)     
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(1) N = Normal, M = Monitor, A = Action

Piston Pump Margin Pressure (Hydraulic Fan) - Test and Adjust

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Table 16
Status(1)  Description  Specification  Actual  Comments 
  Gauge Pressure  2000 ± 100 kPa (290 ± 15 psi)     
  Margin Pressure  1700 kPa (247 psi)     
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(1) N = Normal, M = Monitor, A = Action

Steering System

Reference: Refer to Testing & Adjusting, RENR2186, "Steering System" for more detail on the following test.

Pump Performance (Steering) - Test

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Table 17
Status(1)  Description  Specification  Actual  Comments 
  Steering cycle Time  3.1 ± 0.8 seconds     
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(1) N = Normal, M = Monitor, A = Action

Relief Valve (Steering Pilot, Implement Pilot) - Test and Adjust

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Table 18
Status(1)  Description  Specification  Actual  Comments 
  Relief Valve (Steering Pilot, Implement Pilot)  2400 ± 100 kPa (350 ± 15 psi)     
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(1) N = Normal, M = Monitor, A = Action

Relief Valve (Steering Cylinder Crossover) - Test and Adjust

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Table 19
Status(1)  Description  Specification  Actual  Comments 
  Relief valve pressure  24000 ± 500 kPa (3500 ± 70 psi)     
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(1) N = Normal, M = Monitor, A = Action

Steering System Pressure (High Pressure Stall) - Test and Adjust

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Table 20
Status(1)  Description  Specification  Actual  Comments 
  Steering System Pressure (High Pressure Stall)  24100 ± 350 kPa (3500 ± 50 psi)     
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(1) N = Normal, M = Monitor, A = Action

Piston Pump (Steering) Low Pressure Standby - Test

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Table 21
Status(1)  Description  Specification  Actual  Comments 
  Piston Pump (Steering) Low Pressure Stall  3600 kPa (525 psi)     
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(1) N = Normal, M = Monitor, A = Action

Piston Pump (Steering) Margin Pressure - Test and Adjust

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Table 22
Status(1)  Description  Specification  Actual  Comments 
  Piston Pump (Steering) Margin Pressure  2100 ± 100 kPa (305 ± 15 psi)     
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(1) N = Normal, M = Monitor, A = Action

Relief Valve (Pump Backup) - Test and Adjust

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Table 23
Status(1)  Description  Specification  Actual  Comments 
  Relief Valve (Pump Backup)  24100 ± 350 kPa (3500 ± 50 psi)     
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(1) N = Normal, M = Monitor, A = Action

Steering Neutralizer Valve - Check and Adjust

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Table 24
Status(1)  Description  Specification  Actual  Comments 
  Side Gap (Engine Frame to Non-Engine Frame  12.7 ± 3 mm (0.5 ± 0.12 inch)     
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(1) N = Normal, M = Monitor, A = Action

Steering Time - Check and Adjust

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Table 25
Status(1)  Description  Specification  Actual  Comments 
  Steering cycle Time at High Idle  3.9 ± 0.8 seconds     
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(1) N = Normal, M = Monitor, A = Action

Brake Performance Checks

Reference: Refer to Testing and Adjusting, RENR2189, "Braking System" for more detail on the following test.

Brake Accumulator - Test and Charge

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Table 26
Accumulator Precharge Pressure and temperature Relationship for a Typical 5520 kPa (800 psi) Service Brake Accumulator 
Temperature  Pressure 
−7° C (20° F)  5000 kPa (726 psi) 
−1° C (30° F)  5105 kPa (741 psi) 
4° C (40° F)  5235 kPa (760 psi) 
10° C (50° F)  5340 kPa (775 psi) 
16° C (60° F)  5420 kPa (787 psi) 
21° C (70° F)  5500 kPa (798 psi) 
27° C (80° F)  5605 kPa (813 psi) 
32° C (90° F)  5735 kPa (832 psi) 
38° C (100° F)  5840 kPa (848 psi) 
43° C (110° F)  5920 kPa (859 psi) 
49° C (120° F)  6000 kPa (871 psi) 

Service Braking System Pressure - Test

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Table 27
Status(1)  Description  Specification  Actual  Comments 
  Service Braking System Pressure  4310 ± 350 kPa (625 ± 50 psi)     
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(1) N = Normal, M = Monitor, A = Action

Power Train System

Reference: Refer to Testing & Adjusting, RENR2182, "Power Train" for more detail on the following test.

Engagement Pressure for the Lockup Clutch of the Torque Converter (Electronic Technician) - Calibrate

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Table 28
Status(1)  Description  Specification  Actual  Comments 
  Engagement Pressure for the Lockup Clutch of the Torque Converter  1720 ± 240 kPa (249 ± 35 psi)     
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(1) N = Normal, M = Monitor, A = Action

Engagement Pressure for the Transmission Clutch (Electronic Technician) - Calibrate

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Table 29
Status(1)  Description  Specification  Actual  Comments 
  Clutch "1" Pressure  2210 ± 70 kPa (321 ± 10 psi)     
  Clutch "2" Pressure  2210 ± 70 kPa (321 ± 10 psi)     
  Clutch "3" Pressure  -     
  Clutch "4" Pressure  -     
  Clutch "5" Pressure  1725 ± 70 kPa (250 ± 10 psi)     
  Clutch "6" Pressure  2275 ± 70 kPa (330 ± 10 psi)     
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(1) N = Normal, M = Monitor, A = Action

Engagement Pressure for the Lockup Clutch of the Torque Converter (Operator Monitor) - Calibrate

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Table 30
Status(1)  Description  Specification  Actual  Comments 
  Torque Converter Lockup Clutch Engagement Pressure  1720 kPa (249 psi)     
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(1) N = Normal, M = Monitor, A = Action

Engagement Pressure for the Transmission Clutch (Caterpillar Monitoring System) - Calibrate

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Table 31
Status(1)  Description  Specification  Actual  Comments 
  Clutch "1" Pressure  2210 ± 70 kPa (320 ± 10 psi)     
  Clutch "2" Pressure  2210 ± 70 kPa (320 ± 10 psi)     
  Clutch "3" Pressure  -     
  Clutch "4" Pressure  -     
  Clutch "5" Pressure  1720 ± 70 kPa (250 ± 10 psi)     
  Clutch "6" Pressure  2280 ± 70 kPa (330 ± 10 psi)     
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(1) N = Normal, M = Monitor, A = Action

Torque Converter Impeller Clutch Pressure - Test

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Table 32
Torque Converter Pressure 
Pressure  Pressure Tap  Pressure at High Idle  Adjustment 
Torque Converter Inlet  (A)  Maximum pressure with cold oil is 1025 kPa (149 psi).  - 
Lockup Clutch Pressure  (C)  Stabilized pressure with an activated solenoid is 1720 ± 70 kPa (250 ± 10 psi).  - 
Impeller Clutch  (E)  The impeller clutch top pressure must be a minimum of 1650 kPa (240 psi).  - 
Pressure with the left brake pedal fully depressed is 165 ± 150 kPa (24 ± 22 psi). - 
Torque Converter Outlet  (D)  Torque converter outlet pressure is (High idle) is 415 kPa (60 psi).  Add spacers (20) or remove spacers (20). 
Torque converter outlet pressure is Low idle) is 370 kPa (54 psi)

Torque Converter Lockup Clutch Pressure - Test

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Table 33
Torque Converter Pressure 
Pressure  Pressure Tap  Pressure at High Idle  Adjustment 
Torque Converter Inlet  (A)  Maximum pressure with cold oil is 1025 kPa (149 psi).  - 
Lockup Clutch Pressure  (C)  Stabilized pressure with an activated solenoid is 1720 ± 240 kPa (250 ± 35 psi).  - 
Impeller Clutch  (E)  The impeller clutch top pressure must be a minimum of 1650 kPa (239 psi).  - 
Pressure with the left brake pedal fully depressed is 165 ± 150 kPa (24 ± 22 psi). - 
Torque Converter Outlet  (D)  Torque converter outlet pressure is (High idle) is 415 kPa (60 psi).  Add spacers (20) or remove spacers (20). 
Torque converter outlet pressure is Low idle) is 370 kPa (54 psi)

Torque Converter Stall - Test

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Table 34
Status(1)  Description  Specification  Actual  Comments 
  Torque Converter Stall Speed Third Gear  1750 ± 60 rpm     
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(1) N = Normal, M = Monitor, A = Action

Transmission Pressures - Test and Adjust

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Table 35
Status(1)  Description  Specification  Actual  Comments 
  Transmission Pressures Clutch "1"  2210 ± 70 kPa (320 ± 10 psi)     
  Transmission Pressures Clutch "2"  2210 ± 70 kPa (321 ± 10 psi)     
  Transmission Pressures Clutch "3"  2275 ± 70 kPa (330 ± 10 psi)     
  Transmission Pressures Clutch "4"  2275 ± 70 kPa (330 ± 10 psi)     
  Transmission Pressures Clutch "5"  1725 ± 70 kPa (250 ± 10 psi)     
  Transmission Pressures Clutch "6"  2275 ± 70 kPa (330 ± 10 psi)     
  Transmission Lubrication Pressure (Low Idle)  20 kPa (3 psi)     
  Transmission Lubrication Pressure (High Idle)  150 kPa (22 psi)     
  Transmission Oil Pump Pressure (Low Idle)  2800 kPa (406 psi)     
  Transmission Oil Pump Pressure (High Idle)  3200 kPa (464 psi)     
  Torque converter outlet pressure (Low Idle)  370 kPa (54 psi)     
  Torque converter outlet pressure (High Idle)  420 kPa (61 psi)     
  Torque converter inlet pressure (Low Idle)  390 kPa (57 psi)     
  Torque converter inlet pressure (High Idle)  550 kPa (80 psi)     
Show/hide table
(1) N = Normal, M = Monitor, A = Action

S·O·S Samples

Reference: Refer to Operation and Maintenance Manual, SEBU7206, "Maintenance Interval Schedule" for more detail on performing S.0.S samples.

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Table 36
Status(1)  Description  Obtain  Comments 
  Engine Oil Sample  Every 250 Service Hours   
  Cooling System Coolant Sample (Level I)  Initial 500 Service Hours and annually   
  Hydraulic Oil Sample  Every 500 Service Hours   
  Final Drive Oil Sample  Every 500 Service Hours   
  Power Train System Oil Sample  Every 500 Service Hours   
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(1) N = Normal, M = Monitor, A = Action

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