1. Home
  2. Caterpillar
  3. Technical Analysis
  4. #i05459529

950GC Wheel Loader TA2 Technical Inspection{0372, 1000, 7000, 753T, 7565} Caterpillar


950GC Wheel Loader TA2 Technical Inspection{0372, 1000, 7000, 753T, 7565}

Usage:

950 GC M5K
Wheel Loader:
950 GC (S/N: M5K1-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.

  1. Save the document as an HTML format.

  1. Open the document with Microsoft Word.

Electrical System

Show/hide table
Table 1
Status (1)     Description     Specification     Actual     Comments    
    Inspect Battery Cables                
    Battery Test             Refer to Special Instruction, SEHS7633, "Battery Test Procedure".    
    Charging System Test                
    Electric Starting System Test                
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Engine

Cooling System

Show/hide table
Table 2
Status (1)     Description     Specification     Actual     Comments    
    Radiator Pressure Relief (Radiator Cap) (2)     110 kPa (16 psi)            
    Freezing Point of Engine Coolant    
−37° C (−35° F)    		        
    Difference between the Upper and Lower Radiator Tank Temperatures    
9.9° C (50° F)    		        
    Jacket Water Outlet Temperature    
96° C (205° F)    		        
    Aftercooler Air Outlet Temperature    
70.2° C (158° F) at environment temperature of
43° C (109° F)    		        
    Jacket Water Inlet Temperature from Cooling System    
90.3° C (195° F)    		        
    Transmission Oil Cooler Oil Outlet Temperature    
109° C (228° F)    		        
    Hydraulic Oil Cooler Oil Outlet Temperature    
76° C (169° F)    		        
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action
( 2 ) Test for the pressure that is listed on the cap.

Fuel System

Show/hide table
Table 3
Status (1)     Description     Specification     Actual     Comments    
    Maximum Fuel Pressure of the High Pressure Fuel System    
130 MPa (18855 psi)    		        
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Lubrication System

Show/hide table
Table 4
Status (1)     Description     Specification     Actual     Comments    
    Minimum oil pressure at a minimum engine speed of 1200 rpm and at normal operating temperature    
380 kPa (55 psi)    		        
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Basic Engine

Show/hide table
Table 5
Status (1)     Description     Specification     Actual     Comments    
    Engine Speed at Low Idle     825 ±30 RPM            
    Engine Speed at High Idle     2390±50 RPM            
    Torque Converter Stall Test Engine RPM     2090±50 RPM            
    Engine Crankcase Pressure (Blowby)    
0.36 kPa (0.05 psi)    		        
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Air Inlet and Exhaust System

Show/hide table
Table 6
Status (1)     Description     Specification     Actual     Comments    
    Cylinder # 1 Exhaust Temperature (2)    
570° C (1058° F)    		        
    Cylinder # 2 Exhaust Temperature (2)    
585° C (1085° F)    		        
    Cylinder # 3 Exhaust Temperature (2)    
570° C (1058° F)    		        
    Cylinder # 4 Exhaust Temperature (2)    
565° C (1049° F)    		        
    Cylinder # 5 Exhaust Temperature (2)    
583° C (1081.4° F)    		        
    Cylinder # 6 Exhaust Temperature (2)    
535° C (995° F)    		        
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action
( 2 ) Compare the exhaust temperature variance at each exhaust port.

Hydraulic Performance Checks

ReferenceRefer to Testing & Adjusting, UENR4588, "Hydraulic System" for more detail on the following test.

Implement Cycle Time-Check (No Load - High Idle)

Show/hide table
Table 7
Status (1)     Description     Specification     Actual     Comments    
    Lift Raise     6.1sec ± .5sec            
    Lift Lower     4.0sec ± .5sec            
    Float     2.5sec ± .5sec            
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Lift and Tilt Cylinder Drift - Check

Show/hide table
Table 8
Status (1)     Description     Specification     Actual     Comments    
    Oil Temperature    
60° ± 5°C (140° ± 9°F)    		        
    Lift Cylinder     Less than
50 mm (1.9 inch) per hour    		        
    Tilt Cylinder     Less than
20 mm (0.8 inch) per hour    		        
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Brake Performance Checks

ReferenceRefer to Testing & Adjusting, UENR4585, "Brake System" for more detail on the following test.

Show/hide table
Table 9
Status (1)     Description     Specification     Actual     Comments    
    Brake Accumulator - Test (Test from OMM)                
    Service Brake Holding Ability Test- Test (Test from OMM)                
    Parking Brake Holding Ability Test- Test (Test from OMM)                
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Steering Performance Checks

ReferenceRefer to Testing & Adjusting, UENR4583, "Steering System" for more detail on the following test.

Steering Time - Check

Show/hide table
Table 10
Status (1)     Description     Specification     Actual     Comments    
    Left Steering Time (High Idle)     3.96 seconds            
    Right Steering Time (High Idle)     3.96 seconds            
    Left Steering Time (Low Idle)     4.65 seconds            
    Right Steering Time (Low Idle)     4.65 seconds            
    Left/Right Time Difference (Max)     0.3 seconds            
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Hydraulic System

ReferenceRefer to Testing & Adjusting, UENR4588, "Hydraulic System" for more detail on the following test.

Implement Piston Pump Discharge Pressure

Show/hide table
Table 11
Status (1)     Description     Specification     Actual     Comments    
    Implement Pump Discharge Pressure    
27900 ± 700 kPa (4047 ± 102 psi)    		        
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Implement Piston Pump Margin Pressure (Float)

Show/hide table
Table 12
Status (1)     Description     Specification     Actual     Comments    
    Implement Piston Pump Margin Pressure (Float)    
2100 ± 100 kPa (305 ± 15 psi)    		        
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Pilot Pressure to the Main Control Valve

Show/hide table
Table 13
Status (1)     Description     Specification     Actual     Comments    
    Pilot Pressure to the Main Control Valve    
3450 ± 150 kPa (500 ± 22 psi)    		        
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Load Sensing Signal Relief Valve - Test and Adjust

Show/hide table
Table 14
Status (1)     Description     Specification     Actual     Comments    
    Load Sensing Signal Relief Valve - Test and Adjust    
25800 ± 500 kPa (3742 ± 73 psi)    		        
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Pilot Oil Accumulator - Test

Show/hide table
Table 15
Status (1)     Description     Specification     Actual     Comments    
    Oil Temperature    
60° ± 5°C (140° ± 9°F)    		        
    Accumulator Precharge    
1000 ± 50 kPa (145 ± 7 psi)    		        
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Ride Control Accumulator - Test

Show/hide table
Table 16
Status (1)     Description     Specification     Actual     Comments    
    Oil Temperature    
60° ± 5°C (140° ± 9°F)    		        
    Accumulator Precharge    
2300 ± 115 kPa (334 ± 17 psi)    		        
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Power Train System

ReferenceRefer to Testing & Adjusting, UENR3125, "Power Train System" for more detail on the following test.

Test for the Transmission Clutch Pressure

Show/hide table
Table 17
Status (1)     Description     Specification     Actual     Comments    
    "P1" Pressure (Speed Clutch)    
2172 kPa (315 psi)    		        
    "P2" Pressure (Direction Clutch)    
1896 kPa (275 psi)    		        
    "P3" Pressure (Torque Converter Inlet)    
522 kPa (80 psi)    		        
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Torque Converter Inlet Pressure (High Idle)

Show/hide table
Table 18
Status (1)     Description     Specification     Actual     Comments    
    Torque Converter Inlet Pressure (High Idle)    
790 ± 70 kPa (115 ± 10 psi)    		        
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Torque Converter Outlet Pressure (Torque Converter Stall)

Show/hide table
Table 19
Status (1)     Description     Specification     Actual     Comments    
    Torque Converter Outlet Pressure (Torque Converter Stall)    
220 ± 70 kPa (32 ± 10psi)    		        
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Transmission Lubrication Pressure (High Idle)

Show/hide table
Table 20
Status (1)     Description     Specification     Actual     Comments    
    Transmission Lubrication Pressure (High Idle)    
190 kPa (28.psi)    		        
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Transmission Oil Pump Pressure (High Idle)

Show/hide table
Table 21
Status (1)     Description     Specification     Actual     Comments    
    Transmission Oil Pump Pressure (High Idle)    
3200 ± 240 kPa (464 ± 35 psi)    		        
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Steering System

ReferenceRefer to Testing & Adjusting, UENR4583, "Steering System" for more detail on the following test.

Piston Pump (Steering) High Pressure Stall - Test

Show/hide table
Table 22
Status (1)     Description     Specification     Actual     Comments    
    Piston Pump (Steering) High Pressure Stall - Test    
20700 ± 700 kPa (3002 ± 102 psi)    		        
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Piston Pump (Steering) Margin Pressure - Test

Show/hide table
Table 23
Status (1)     Description     Specification     Actual     Comments    
    Margin Pressure    
2400 ± 100 kPa (348 ± 14.5 psi)    		        
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Brake and Hydraulic Fan System

ReferenceRefer to Testing & Adjusting, UENR4585, "Braking and Hydraulic Fan System" for more detail on the following test.

Service Brake System Pressure - Test

Show/hide table
Table 24
Status (1)     Description     Specification     Actual     Comments    
    Rear Service Brake Pressure (Brake ON)    
4690 ± 350 kPa (680 ± 50 psi)    		        
    Front Service Brake Pressure (Brake ON)    
4690 ± 350 kPa (680 ± 50 psi)    		        
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Brake Accumulator Precharge Pressure

Show/hide table
Table 25
Status (1)     Description     Specification     Actual     Comments    
    Brake Accumulator Precharge Pressure    
6890 ± 345 kPa (1000 ± 50 psi)    		        
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Hydraulic Fan

Show/hide table
Table 26
Status (1)     Description     Specification     Actual     Comments    
    Max Fan Speed     1400 ± 50 RPM            
    Minimum Fan Speed     615 ± 50 RPM            
    High Idle    
22500 ± 500 kPa (3263 ± 72 psi)    		        
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

S·O·S Samples

ReferenceRefer to Operation and Maintenance Manual, SEBU9108, "Maintenance Interval Schedule" for more detail on performing S.0.S samples.

Engine Oil Sample

Show/hide table
Table 27
Status (1)     Description     Obtain     Comments    
    Engine Oil Sample            
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Engine Coolant Sample

Show/hide table
Table 28
Status (1)     Description     Obtain     Comments    
    Engine Coolant Sample            
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Hydraulic Oil Sample

Show/hide table
Table 29
Status (1)     Description     Obtain     Comments    
    Hydraulic Oil Sample            
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Differential & Final Drive Oil Samples (Inboard Final Drives)

Show/hide table
Table 30
Status (1)     Description     Obtain     Comments    
    Front Differential & Final Drive Oil Sample            
    Rear Differential & Final Drive Oil Sample            
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Differential & Final Drive Oil Samples (Outboard Final Drives)

Show/hide table
Table 31
Status (1)     Description     Obtain     Comments    
    Front Differential Oil Sample            
    Rear Differential Oil Sample            
    Left Front Final Drive Oil Sample            
    Right Front Final Drive Oil Sample            
    Left Rear Final Drive Oil Sample            
    Right Rear Final Drive Oil Sample            
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Transmission/Torque Converter Oil Sample

Show/hide table
Table 32
Status (1)     Description     Obtain     Comments    
    Transmission/Torque Converter Oil Sample            
Show/hide table
( 1 ) N = Normal, M = Monitor, A = Action

Caterpillar Information System:

D8T Track-Type Tractor Machine Systems Refrigerant Dryer - Remove and Install
D9T Track-Type Tractor Power Train Breather - Clean/Replace
D6T Track-Type Tractor Systems Electronic Control (Power Train System)
D8T Track-Type Tractor Machine Systems Steering Oil Filter and Base - Remove and Install
Installing 398-5467 Retrofit Kit On Certain D9T and D9R Track-Type Tractors{7206} Installing 398-5467 Retrofit Kit On Certain D9T and D9R Track-Type Tractors{7206}
901C, 902C and 903C Compact Wheel Loaders Machine Systems Work Tool Positioner Control - Remove and Install
Procedures for Using the 212-1503 Portable Parts Washer{0374, 0599, 0680, 0699, 0700} Procedures for Using the 212-1503 Portable Parts Washer{0374, 0599, 0680, 0699, 0700}
D9T Track-Type Tractor Engine Supplement Aftercooler - Remove and Install
D6T Track-Type Tractor Systems Electronic Control (Fan Hydraulic System)
901C, 902C and 903C Compact Wheel Loaders Machine Systems Boom - Install
627K Wheel Tractor-Scraper Fuses - Replace
950 GC Wheel Loader Steering System Piston Pump (Steering) Low Pressure Standby - Test and Adjust
C15 and C18 Engines for Caterpillar Built Machines General Information
C15 and C18 Engines for Caterpillar Built Machines Welding Precaution
C15 and C18 Engines for Caterpillar Built Machines Electronic Service Tools
C15 and C18 Engines for Caterpillar Built Machines Service Information Report
C15 and C18 Engines for Caterpillar Built Machines System Overview
Using the 9U-5792, 4C-5052, 4C-5054, 4C-3670, and 4C-3680 Hydraulic Hose Machines{0374, 0599, 0684, 0738, 5057} Using the 9U-5792, 4C-5052, 4C-5054, 4C-3670, and 4C-3680 Hydraulic Hose Machines{0374, 0599, 0684, 0738, 5057}
D9T Track-Type Tractor Power Train System Oil And Screens - Change/Clean
188-3922 Broken Exhaust Bolt and Stud Removal Group for 3114, 3116, 3126, 3126B, 3176, 3176B, C-10, and C12 Engines{0374, 0599, 0701, 0702, 0703} 188-3922 Broken Exhaust Bolt and Stud Removal Group for 3114, 3116, 3126, 3126B, 3176, 3176B, C-10, and C12 Engines{0374, 0599, 0701, 0702, 0703}
Check the Axle Mounting Pins on Certain Underground Articulated Trucks {7201} Check the Axle Mounting Pins on Certain Underground Articulated Trucks {7201}
2013/09/30 New Transmission Filter Hose Sleeves Now Used on AD55B Underground Articulated Trucks {3154}
2013/09/30 New Transmission Filter Hose Sleeves Now Used on AD60 Underground Articulated Trucks {3154}
2014/07/07 Operator Station Components Now Available for Certain Underground Articulated Trucks and Load Haul Dump Machines {7301}
Back to top
Contacts My AVS
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.