160M and 160 Motor Grader Power Train Front Axle - Remove Caterpillar


Front Axle - Remove
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1.1. Removal Procedure

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
A(1)  9U-7536  Lift Stand 
447-0910 Electric Hydraulic Pump Gp (115V) 
447-0911 Electric Hydraulic Pump Gp (230V) 
A1  OR 
504-9826 Lift Gp (60Hz)(2) 
504-9827 Lift Gp (50Hz)(3) 
(1) Use Tooling (A) or (A1) based on requirements.
(2) Operating-Voltage (380-500V)
(3) Operating-Voltage (180-300V)

Start By:

  1. Remove the front wheels.

  2. Remove both steering cylinders.

  3. Remove the wheel lean bar.

------ WARNING! ------

Personal injury can result from hydraulic oil pressure and hot oil.

Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system.

Make sure all of the work tools have been lowered to the ground, and the 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.



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 Special Publication, PERJ1017, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.

Dispose of all fluids according to local regulations and mandates.



NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.


Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.

  1. Release the system pressure. Refer to Operation and Maintenance Manual, "System Pressure - Release".

  2. Drain hydraulic oil into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Hydraulic System Oil - Change".


    Illustration 1g01412434
    For Tooling (A)

  3. Position Tooling (A) as shown.

  4. Use Tooling (A) to support drawbar (1) and the front axle assembly.


    Illustration 2g06407286
    For Tooling (A1)

  5. Position Tooling (A1) as shown. Refer to Tool Operating Manual, NEHS1328, "Lift Group (Stand - 60 Ton)" for more information on Tooling (A1).

  6. Use Tooling (A1) to support drawbar (1) and the front axle assembly.


    Illustration 3g01412439

  7. Remove clamp assemblies (2) and position hose assemblies (3) out of the way.

  8. Disconnect hose assemblies (4) and position the hose assemblies out of the way.


    Illustration 4g01412707

  9. Disconnect hose assemblies (5).


    Illustration 5g01412709

  10. Disconnect hose assemblies (6).


    Illustration 6g01412713

  11. Disconnect harness assembly (7).


    Illustration 7g01412743

  12. Attach a suitable lifting device to each side of front axle assembly (8). The weight of front axle assembly (8) is approximately 953 kg (2100 lb).


    Illustration 8g01412777

  13. Remove bolts (10) and locking plate (9).

  14. Remove pin (11) from front axle assembly (8).


    Illustration 9g01412901

  15. Use a suitable lifting device to lower front axle assembly (8) onto suitable cribbing.


    Illustration 10g01412926

    Note: Note the position of each washer (12) for use in the assembly procedure.

  16. Remove washers (12).


    Illustration 11g01412939

  17. Remove lip seal (13) and bearing (14). Repeat this process for the opposite side.

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