Disassembly and Assembly 784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train. Remove ten nuts

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Disassembly and Assembly 784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Media Number

Publication Date -01/08/2004

Date Updated -12/08/2004

Transmission Planetary - Disassemble

SMCS - 3160-015

Начало формы

Disassembly Procedure

Table 1

Required Tools    

Tool    

Part Number    

Part Description    

Qty    

A    

138-7573    

Link Bracket    

1    

B    

138-7574    

Link Bracket    

2    

C    

1P-2420    

Repair Stand    

1    

C    

FT-0996    

Positioner    

1    

C    

FT-0957    

Adapter    

1    

D    

1P-1859    

Retaining Ring Pliers    

1    

E    

1P-0500    

Driver Group    

1    

E    

5F-7345    

Screw    

1    

E    

8B-7554    

Bearing Cup Puller    

1    

F    

138-7573    

Link Bracket    

2    

G    

138-7575    

Link Bracket    

2    

J    

5P-5197    

External Pliers    

1    

K    

5F-7345    

Screw    

1    

K    

8B-7554    

Bearing Cup Puller    

1    

K    

8B-7548    

Push-Pull Tool    

1    

L    

2P-8312    

Retaining Ring Pliers    

1    

M    

1P-0520    

Driver Group    

1    

N    

3E-3880    

Eyebolt    

1    

Start By:

  1. Remove the transmission and transfer gears from the truck. Refer to Disassembly and Assembly, "Transmission and Transfer Gears - Remove".

Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.


View Image

https://sis.cat.com/sisfiles/g00/530/g00530327.jpg


Illustration 1

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  1. Fasten a hoist to the transmission and transfer gears. Position the transmission and transfer gears on a suitable stand. The weight of the transmission and transfer gears is approximately 2041 kg (4500 lb).

View Image

https://sis.cat.com/sisfiles/g00/530/g00530378.jpg


Illustration 2

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  1. Remove four bolts (1) and the washers. Remove guard (2) from the transmission case.

View Image

https://sis.cat.com/sisfiles/g00/530/g00530379.jpg


Illustration 3

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  1. Remove ten nuts (3). Remove cover (4) from cover (5) .

View Image

https://sis.cat.com/sisfiles/g00/530/g00530380.jpg


Illustration 4

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  1. Remove gasket (6) from cover (5) .

View Image

https://sis.cat.com/sisfiles/g00/530/g00530381.jpg


Illustration 5

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Note: Mark the location of three clips for installation purposes.

  1. Remove three bolts (7), the washers and the clips from cover (5). Remove 21 bolts (8) and cover (5) from the transmission case.

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