- Excavator
- 390F (S/N: HJD1-10014; TYE1-223; MGF1-10006; FEH1-10008; HSM1-306; GAY1-10020)
- OEM Excavator Based Specialty Solution
- 390F OEM (S/N: N641-105; PT71-102; P4J1-90200)
Reference: Special Publication, NENG2500, "Dealer Service Tool Catalog"
Description Of Change: Rework procedure for the control lever assembly is now used on the machines listed above.
Adaptable To: The following changes are adaptable to the products within the listed serial numbers, and are effective with all products after the listed serial numbers.
| Required Part List | ||
|---|---|---|
| Qty | Part | |
| 1 | 458-6030 Pump Rotating Gp(1) | |
| 1 | 464-9278 Gasket(1) | |
| 1 | 464-9758 Gasket | |
| 1 | 524-9271 Control Lever As | |
| (1) | Only after failure |
| Required Tools List | ||
|---|---|---|
| Tool | Qty | Part |
| A | 1 | 5P-0306 Transducer |
| 1 | 6V-4142 Fitting | |
| 1 | 5K-5068 Pipe Fitting | |
| 1 | FT-1114 Vacuum Cap | |
Rework Procedure
Read and understand the Operation and Maintenance Manual for safety information and safe working practices before starting the rework procedure.
| NOTICE |
|---|
|
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. |
Refer to above reference for the tools and supplies suitable to collect and contain fluids on Cat products.
Dispose of all the fluids according to local regulations and mandates.
Personal injury can result from the hydraulic oil pressure and the hot oil.
Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if the pressure is not released before any service is done on the hydraulic system.
Make sure all the attachments have been lowered, oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand.
Note: Do not install two springs that are part of the 524-9271 Control Lever As. No need to replace the springs for this rework procedure.
- Install Tooling (A) onto the hydraulic tank. Attach an air supply to the Tooling (A). Apply
345 ± 69 kPa (50 ± 10 psi) of air. The procedure will pull a vacuum on the hydraulic system as shown in Illustration 1.Show/hide table
Illustration 2 g06154050 Vacuum removed hydraulic system - Label the hoses before disconnecting.
Disconnect following Hoses on the controller:
- Cross -sensing
- NFC
- Powershift
Show/hide table
Illustration 3 g06154056 - Loosen the four Allen screws of the regulator and remove regulator.
Note: Be attentive to the gasket and locating the pin.
Show/hide table
Illustration 4 g06154061 Allen screw - Remove the old gasket.
Show/hide table
Illustration 5 g06154067 - Replace the existing lever with the new 524-9271 Control Lever As
To hold the piston in position in the lever, use the petroleum jelly. Push the spring to insert the lever and make sure the spring is positioned on the lever.
Show/hide table
Illustration 6 g06154071 (1) Move forward direction
(2) Slide left direction - Place a new gasket making sure it is thoroughly seated on the location pin.
- Reposition controller on the pump, making sure that the lever is inserted into the hole of the actuator piston pump . Then, move the control to the position opposite the mounting holes. Be careful not to damage the contact face on the pump.
Show/hide table
Illustration 7 g06154074 Allen screw - Insert the Allen screws and torque to
15.5 N·m (137 lb in) . - Reconnect the hoses and check the routing.
| |
| Illustration 1 | g06154044 |
| (A) Tooling | |
