IT28G Integrated Toolcarrier and 924G, 924GZ and 928G Wheel Loaders Power Train Transmission and Torque Converter - Remove Caterpillar


Transmission and Torque Converter - Remove
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1.1. Removal Procedure

Removal Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     138-7573     Link Bracket     1    
B     138-7575     Link Bracket     1    

Start By:

  1. Remove the cab. Refer to Disassembly and Assembly, "Cab - Remove".
  2. Remove the middle bottom guard. Refer to Disassembly and Assembly, "Bottom Guards - Remove".
  3. Remove the hydraulic pump. Refer to Disassembly and Assembly, "Piston and Vane Pump (Implement, Pilot, and Steering) - Remove".


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

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

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




    Illustration 1g00999609

  1. Open door (1) on each side of the machine.



    Illustration 2g00998274

  1. Remove panels (2) and (3) on each side of the machine.



    Illustration 3g00998118

  1. Disconnect hose assemblies (4), (5), (6), and (7).



    Illustration 4g00998120

  1. Cut and remove cable strap (8). Remove the bolt and harness clip (9). Disconnect hose assembly (10) .



    Illustration 5g00998121

  1. Disconnect hose assembly (11) and harness assembly (12). Remove bolt (13) and the clip. Disconnect hose assemblies (14) .



    Illustration 6g00998122

  1. Disconnect tube assembly (15). Disconnect drive shaft (16) from the transmission.



    Illustration 7g00998119



    Illustration 8g01001083

  1. Disconnect hose assemblies (17). Disconnect hose assemblies (18A). Remove bolt (18) and the clip from each side of the bracket.



    Illustration 9g00998132

  1. Cut and remove cable straps (19). Remove bolts (20). Disconnect tube assemblies (21) .



    Illustration 10g00998133

  1. Remove tube assembly (22) .



    Illustration 11g00998134

  1. Remove plug (23) from the left side of the flywheel housing.



    Illustration 12g00998174

  1. Remove eight bolts (24). Rotate the engine in order to access remaining bolts (24) .



    Illustration 13g00998176

  1. Attach Tooling (A) to the front of the transmission and attach Tooling (B) to the rear of the transmission. Attach a suitable lifting device onto Tooling (A) and Tooling (B). The weight of the transmission is approximately 499 kg (1100 lb).



    Illustration 14g00998179

  1. Disconnect drive shaft (25) from the transmission.



    Illustration 15g00998182

  1. Remove mounting bolts (26) .



    Illustration 16g00998185

  1. Remove bottom bolts (27) on both sides of the transmission.



    Illustration 17g00998187

    Note: Check the clearance of the muffler and the ejector pipe.

  1. Raise the transmission approximately 51 mm (2 inch) off the mounts. Install a wood block under the flywheel housing. Allow the engine to rest on the wood block.



    Illustration 18g00998199

  1. Remove pin (28) for the parking brake from arm (29). Remove mounts (30) from both sides of the transmission.



    Illustration 19g00998201

  1. Remove bolts (31) from the bottom of the transmission. Disconnect hose assembly (32) .



    Illustration 20g00998203

  1. Remove bolts (31) from the top of the transmission.



    Illustration 21g00998204

  1. Remove the transmission from the flywheel housing. The weight of the transmission is approximately 499 kg (1100 lb). The transmission must be angled in order to remove the transmission. Refer to Illustration 21.

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