2013/09/02 Caterpillar

Off-Highway Truck:

793F (S/N: SND1-UP; SSP1-UP)

795FSeries AC (S/N: ERM1-UP)

797F (S/N: LAJ1-UP)

ReferenceSpecial Instruction, REHS8637, "Procedure to Replace the Grounding Stud Assemblies for the Ground Level Control Box Assembly on Certain Large Off-Highway Trucks"

Description of Change: The grounding stud assemblies on the ground level control box assembly have been replaced with new terminal block assemblies on certain Large Off-Highway Trucks. The new terminal block assemblies will help to extend service life and prevent possible corrosion.

Adaptable To:

Illustration 1	g03427475
Typical view of the rear of a ground level control box assembly (A) 3T-8607 Terminal As (B) 331-1066 Terminal Block As

The 3T-8607 Terminal As has been replaced in production with the 331-1066 Terminal Block As .

The 331-1066 Terminal Block As is adaptable to the following machines:

• 793F (S/N: SSP1-390)

• 795FSeries AC (S/N: ERM1-177)

• 797F (S/N: LAJ1-273)

The 331-1066 Terminal Block As is effective with the following machines:

• 793F (S/N: SND1-UP; SSP391-UP)

• 795FSeries AC (S/N: ERM178-UP)

• 797F (S/N: LAJ274-UP)

Refer to Special Instruction, REHS8637, "Procedure to Replace the Grounding Stud Assemblies for the Ground Level Control Box Assembly on Certain Large Off-Highway Trucks" for instructions on replacing the 3T-8607 Terminal As with the 331-1066 Terminal Block As.