TUBE AS 1167054 - Caterpillar

Illustration 26 g00768796
The ride control switch on a machine with an autoshift transmission
Engage the ride control system.Note: For machines with standard transmissions, ride control is turned on by pushing on the top of the switch (50). To turn off ride control, push on the bottom of the switch (51). See Illustration 25.Note: For machines with autoshift transmissions, ride control is turned on by pushing on the bottom of the switch (54). You may also select AUTOMATIC RIDE CONTROL by pushing on the top of switch (52). Automatic ride control turns on when the ground speed exceeds a preset speed of approximately 9.5 km/h (6 mph). The system will turn off if ground speeds drop to 7 km/h (4 mph). To turn off ride control, put the switch in the center position (53). See Illustration 26.Note: Two different types of transmissions are used on the machines. The ride control switch must match the transmission which is used on your machine. Refer to Table 5 for part numbers.
Check the machine for any noticeable drift toward the ground. If the machine rapidly drifts, the pressure switch (30) may not be functioning correctly.
Park the machine according to the machine's Operation and Maintenance Manual.
Stop the engine.Testing the Ride Control System on an Integrated Toolcarrier
Turn the key to the ON position.
The quick coupler switch should be OFF.
Turn the ride control to the ON position. The indicator for ride control should illuminate.
Turn the quick coupler switch to the ON position.
The circuits of quick coupler and ride control are properly connected, if the indicator for ride control turns OFF. The ride control switch is still in the ON position. If the indicator for ride control remains illuminated, then check the following conditions:
The circuit for the ride control and for the quick coupler may not be wired properly.
The ride control switch may not be operating properly.Testing the Ride Control System on Machines With Autoshift Transmissions
Engage the parking brake.
Start the engine. Keep the direction control lever in the NEUTRAL position.
Install the electronic technician to the machine.
Select the automatic mode (52) for ride control on the ride control switch.
Check the electronic technician. The display should indicate AUTOMATIC for the ride control. If the display does not indicate AUTOMATIC, then one of the following conditions is a possible cause:
The ride control switch may not be operating properly.
The transmission speed sensor may not be operating properly.
The pressure switch may not be operating properly.
Park the machine according to the machine's Operation and Maintenance Manual.
Stop the engine.Serviced Parts
Table 2 lists the serviced parts for some of the components in Table 1.
Table 2
Serviced Parts    
Item     Qty     Part Number     Description    
150-4043 Connector Gp    
13     1     3J-1907     O-Ring Seal    
1 6V-8398     O-Ring Seal    
1 6V-9873     Seal Connector    
148-8316 Connector Gp    
17     1     3J-7354     O-Ring Seal    
1 4J-5477     O-Ring Seal    
1 6V-8647     Connector    
148-8378