SPOOL 1474169 - Caterpillar

Introduction
For the identified issue, use the solution listed below.Problem
Lift cylinder groups are currently being produced with a seal design that is not included in the latest bill of materials. Certain lift cylinder U-cup seals changed from a blue seal to a yellow seal during production in July 2011. The part numbers for the yellow seals are the same as the part number for the blue seals. In order to document this change properly, the yellow seals will now have new part numbers. The new part numbers are included in the bill of material for each of the affected cylinders.Solution
The cylinder group numbers will have the following seal part number changes.
Table 1
Cylinder Group     Qty     New Part Number     Description     Old Part Number    
3G-0881     1     356-8331     U-Cup Seal     289-2946    
149-3236     1     362-3819     U-Cup Seal     162-2307    
225-3676     1     364-0086     U-Cup Seal     312-4245