HARNESS 0641903 - Caterpillar

Table 1
    740 Ejector    
Steering time (Stop to stop)
Refer to Testing and Adjusting, "Operational Checks".     4.6 seconds at 60 rpm
3 seconds at 90 rpm    
Average eject time
This depends on the load and the setting of counterbalance valve.
Refer to Testing and Adjusting, "Operational Checks".     Less than 14 seconds    
Average retract time
Refer to Testing and Adjusting, "Operational Checks".     Less than 24 seconds    
Steering system pressure (Maximum pressure)
Refer to Testing and Adjusting, "Steering System Pressure - Test and Adjust".     22000 350 kPa (3190 50 psi)    
Steering pump margin pressure
AZZ1-295
Refer to Testing and Adjusting, "Steering System Pressure - Test and Adjust".    
2600 140 kPa (377 20 psi)    
Steering pump margin pressure
AZZ296-UP
Refer to Testing and Adjusting, "Steering System Pressure - Test and Adjust".    
1600 140 kPa (232 20 psi)    
Steering system pressure (Standby pressure)
AZZ1-295
Refer to Testing and Adjusting, "Steering System Pressure - Test and Adjust".    
3000 1000 kPa (435 145 psi)    
Steering system pressure (Standby pressure)
AZZ296-UP
Refer to Testing and Adjusting, "Steering System Pressure - Test and Adjust".    
4200 1000 kPa (609 145 psi)    
Load sensing pressure (Steering)
AZZ1-295
Refer to Testing and Adjusting, "Load Sensing Pressure (Steering) - Test".    
1900 700 kPa (276 102 psi)    
Load sensing pressure (Steering)
AZZ296-UP
Refer to Testing and Adjusting, "Load Sensing Pressure (Steering) - Test".    
2600 1000 kPa (377 145 psi)    
Secondary steering pressure (Maximum pressure)
Refer to Testing and Adjusting, "Electric Drive Pump (Secondary Steering) - Check".    
13800 690 kPa (2000 100 psi)    
Eject pressure
Refer to Testing and Adjusting, "Ejector System Pressure - Test and Adjust".    
17240 345 kPa (2500 50 psi)    
Retract pressure
Refer to Testing and Adjusting, "Ejector System Pressure - Test and Adjust".    
20685 345 kPa (3000 50 psi)    
Crossover pressure
Refer to Testing and Adjusting, "Ejector System Pressure - Test and Adjust".    
15900 340 kPa (2300 50 psi)    
Ejector system pilot pressure
Refer to Testing and Adjusting, "Pressure Reducing Valve (Ejector System Pilot Pressure) - Test and Adjust".    
4825 100 kPa (700 15 psi)    
Precharge pressure of the suspension accumulators
Refer to Testing and Adjusting, "Accumulator (Suspension) - Test and Charge".    
3800 170 kPa (550 25 psi) at
21 °C (70 °F)    
Front suspension ride height
AZZ1-327
Refer to Testing and Adjusting, "Suspension Height (Front) - Check and Adjust".     Rim to fender at fully lowered position plus
80 mm (3.15 inch)    
Front suspension ride height
AZZ328-UP
Refer to Testing and Adjusting, "Suspension Cylinder (Front) - Purge and Charge".     Rim to fender at fully lowered position plus
75 10 mm (3 0.4 inch)