Oil Buildup on Remanufactured Cylinder Packs{1225} Caterpillar


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Oil Buildup on Remanufactured Cylinder Packs{1225} [TIBU5697]
BASIC ENGINE
PISTON & ROD GP
Oil Buildup on Remanufactured Cylinder Packs{1225}
1.1. Introduction
2.1. Problem
3.1. Solution
Machine Engine:
3406 (S/N: 70V1-UP; 11N1-UP)
On-highway Engine:
C-12 (S/N: 1YN1-UP)
Generator Set:
3406C (S/N: 2WB1-UP; 1LS1-UP; 1DZ1-UP)
Marine Engine:
3406C (S/N: 1SS1-UP)
3412C (S/N: 60M1-UP)

Introduction

The problem that is identified below does not have a known permanent solution. Until a permanent solution is known, use the solution that is identified below.

Problem




Illustration 1g01914570

(1) Contaminated oil ring

Remanufactured cylinder packs have been received by dealers that have buildup, which is caused by contaminated Volatile Corrosion Inhibitor (VCI) oil. Contaminated VCI oil is drying on the cylinder packs. This leaves a ring around the piston crown, which looks like rust. The buildup of oil that is around the outside of the piston crown is shown in Illustration 1.

Solution

Only the remanufactured cylinder packs that are listed in the Table 1 should be inspected for buildup of contaminated oil on the piston crown.

Table 1
Cylinder Packs that are Affected    
OR-1572    
0R-4515    
0R-8200    
0R-8777    
0R-8778    
0R-9847    

Only remanufactured cylinder packs have been recalled in order to be cleaned. Clean VCI oil will be reapplied to the remanufactured cylinder packs.




Illustration 2g01914685

Remanufactured cylinder packs that have been cleaned and coated with VCI may still have stains that are related to cleaning. Refer to Illustration 2. These cylinder packs are acceptable to use for repair.

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