2004/11/29 Caterpillar

Track-Type Loader:

953C (S/N: 2ZN1-UP; BBX1-UP)

963C (S/N: BBD1-UP; 2DS1-UP)

973C (S/N: BCP1-UP; 3RZ1-UP)

Description of Change: New hydraulic track adjustment groups are now used. The new groups are filled with grease and tested before shipment or installation. This new process eliminates problems that occurred with the previous groups.

Adaptable To: The new 236-7889 Hydraulic Track Adjustment Group is effective with the following machine:

• 953C (S/N: BBX188-UP)

The new 236-7890 Hydraulic Track Adjustment Group is effective with the following machine:

• 963C (S/N: BBD527-UP)

The new 238-9095 Hydraulic Track Adjustment Group is effective with the following machine:

• 973C (S/N: BCP109-UP)

The new 236-7889 Hydraulic Track Adjustment Group is adaptable to the following machine:

• 953C (S/N: 2ZN1-UP; BBX1-187)

The new 236-7890 Hydraulic Track Adjustment Group is adaptable to the following machine:

• 963C (S/N: 2DS1-UP; BBD1-526)

The new 238-9095 Hydraulic Track Adjustment Group is adaptable to the following machine:

• 973C (S/N: 3RZ1-UP; BCP1-108)