2007/01/22 Caterpillar

Pipelayer:

583H (S/N: 38A1-UP; 61A1-UP)

Track-Type Tractor:

D8H (S/N: 36A1-UP; 46A1-UP; 52A1-UP; 68A1-UP)

D8K (S/N: 66V1-UP; 78V1-UP; 76V1-UP; 77V1-UP)

Genuine Caterpillar track shoes are being replaced by a new Classic track shoe. When Genuine track shoes are replaced with Classic track shoes in a track group, contact interference of the shoes may occur. Grinding or machining of the leading or trailing edge might be required. Please follow the recommendations that are listed below for your machine on the replacement of the track shoe.

Replacing Genuine Moderate Service (MS) Shoe with Classic Moderate Service (MS) Shoe

When replacing a Genuine Moderate Service (MS) shoe with a Classic MS shoe, potential interference may occur. Grinding/machining of the leading or trailing edge might be required in order to provide clearance between the adjacent shoes. Reference Illustration 1. If more than one Genuine shoe must be replaced, position the shoes on the chain together. This will provide that any required grinding/machining will only be required at one location. Reference Table 1 for the former Genuine part numbers and the new Classic part numbers.

Illustration 1	g01327463
(A) Genuine Shoe (B) Classic Shoe

Replacing Genuine Extreme Service (ES) Shoe with Classic Extreme Service (ES) Shoe

When replacing a Genuine Extreme Service (ES) shoe with a Classic ES shoe, potential interference may occur. Grinding/machining of the leading or trailing edge might be required in order to provide clearance between the adjacent shoes. Reference Illustration 2. If more than one Genuine shoe must be replaced, position the shoes on the chain together. This will provide that any grinding/machining that is required will only be required at one location. Reference Table 2 for the affected Genuine and Classic part numbers.

Illustration 2	g01327564
(A) Genuine Shoe (B) Classic Shoe

Replacing Genuine Super Extreme Service (SES) Shoe with Classic Extreme Service (ES) Shoe

No Classic Super Extreme Service (SES) will be offered. If a Genuine Super Extreme Service shoes must be replaced, it will be replaced with a Classic Extreme Service (ES) shoe.

When replacing a Genuine Super Extreme Service (SES) shoe with a Classic ES shoe, interference will occur. Grinding/machining of the leading or trailing edge will be required in order to provide clearance between the adjacent shoes. Reference Illustration 3. If more than one Genuine shoe must be replaced, position the shoes on the chain together. This will provide that any grinding/machining that is required will only be required at one location. Reference Table 3 for the affected Genuine and Classic part numbers.

Illustration 3	g01327586
(A) Genuine Shoe (B) Classic Shoe

Replacing Genuine Moderate Service (MS) Shoe with Classic Extreme Service (ES) Shoe

Due to low sales volume, some Moderate Service (MS) shoes are being replaced by Extreme Service (ES) shoes.

When replacing a Genuine Moderate Service (MS) shoe with a Classic Extreme Service (ES) shoe, potential interference may occur. Grinding/machining of the leading or trailing edge might be required in order to provide clearance between the adjacent shoes. Reference Illustration 4. If more than one Genuine shoe must be replaced, position the shoes on the chain together. This will provide that any grinding/machining will only be required at one location. Reference Table 4 for the former Genuine part numbers and the new Classic part numbers.

Illustration 4	g01342587
(A) Genuine Shoe (B) Classic Shoe

Replacing Genuine Extreme Service (ES) Shoe with Classic Moderate Service (MS) Shoe

Due to low sales volume, some Extreme Service (ES) shoes are being replaced by Moderate Service (MS) shoes.

When replacing a Genuine Extreme Service (ES) shoe with a Classic Moderate Service (MS) shoe, potential interference may occur. Grinding/machining of the leading or trailing edge might be required in order to provide clearance between the adjacent shoes. Reference Illustration 5. If more than one Genuine shoe must be replaced, position the shoes on the chain together. This will provide that any grinding/machining will only be required at one location. Reference Table 5 for the former Genuine part numbers and the new Classic part numbers.

Illustration 5	g01342593
(A) Genuine Shoe (B) Classic Shoe