120H and 135H Motor Graders Machine Systems Caterpillar


Fan and Gear Motor (Hydraulic Fan) - Remove

Usage:

120H 124

Removal Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     FT-1114     Vacuum Cap     1    
B     6V-9511     Face Seal Plug     2    
C     6V-9832     Cap As     2    

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

At operating temperature, the hydraulic tank is hot and under pressure.

Hot oil and components can cause personal injury. Do not allow hot oil or components to contact skin.

Remove the filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand. Remove the filler cap slowly in order to relieve pressure.

----------------------


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, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.

Dispose of all fluids according to local regulations and mandates.





    Illustration 1g00910597

  1. Install Tooling (A) on the hydraulic tank. Attach hose (1A) to the nipple on Tooling (A) and to an air supply. Apply 276 to 414 kPa (40 to 60 psi) of air. This procedure will pull a vacuum on the hydraulic system.



    Illustration 2g00910328

  1. Remove bolts (1). Remove grill assembly (2) .



    Illustration 3g00910501

  1. Disconnect hose assemblies (3) .

  1. Remove bolts (4) and swing bracket assembly (5) outward.



    Illustration 4g00910503

  1. Remove nut (6) in order to remove fan spider assembly (7) .



    Illustration 5g00910505

  1. Remove bolts (8). Remove gear motor (9) from bracket assembly (5) .

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