938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Caterpillar


Quick Coupler - Remove

Usage:

938G II B9Y

Removal Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     4C-9633     Puller Stud     1    
6V-3160 Double Acting Cylinder     1    
3S-6224 Electric Hydraulic Pump Gp     1    
6V-4035 Sleeve     1    
9U-6833 Nut     1    
B     4C-9633     Puller Stud     1    
6V-3160 Double Acting Cylinder     1    
6V-0086 Sleeve     1    
9U-6833 Nut     1    
3S-6224 Electric Hydraulic Pump Gp     1    

Start By:

  1. Connect the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Separate and Connect".
  2. Release the pressure in the hydraulic system. Refer to Disassembly and Assembly, "Hydraulic System Pressure - Release".


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 Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.

Dispose of all fluids according to local regulations and mandates.


------ 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 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: 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.




    Illustration 1g00984482

  1. Disconnect hose assemblies (1) and (2) .



    Illustration 2g00984484

  1. Remove bolt (3) from pin assembly (4) .



    Illustration 3g00984487

  1. Install suitable cribbing under tilt link (5) . Attach a suitable lifting device onto quick coupler (8) . Use Tooling (A) in order to remove pin assembly (4) .



    Illustration 4g00984488

  1. Remove bolt (6) from pin assembly (7) .



    Illustration 5g00984490

  1. Use Tooling (B) in order to remove pin assembly (7) .

  1. Repeat Step 5 for the opposite side.



    Illustration 6g00984494

  1. Remove quick coupler (8) . The weight of quick coupler (8) is approximately 204 kg (450 lb).

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