Air Cleaner Group May Crack on Certain 374F and 390F Excavators {1051, 1054} Caterpillar

Air Cleaner Group May Crack on Certain 374F and 390F Excavators {1051, 1054}

Usage:

Excavator: 374F (S/N: AT21-UP; AP41-UP; EBF1-UP; NFJ1-UP; MFL1-UP; DNM1-UP); 390F (S/N: HJD1-UP; TYE1-UP; MGF1-UP; HNG1-UP; FEH1-UP; HSM1-UP; GAY1-UP)
OEM Excavator Based Specialty Solution: 374F OEM (S/N: P4L1-UP); 390F OEM (S/N: P4J1-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

Reports have been received that the air cleaner group may crack on the machines listed above. This failure mainly occurs at where the air cleaner connects to the inlet air hose.

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Illustration 1	g06323549
(1) 368-7724 Air Cleaner Gp

Solution

In the event of failure, replace the 368-7724 Air Cleaner Gp with the same part number.

Retain the failed parts and check “Send it Back” for an open parts return request. Additional information regarding failure and effective interim repair can be submitted to the CPI team through CPI feedback function within Service Information Management Systems (SIMSi) referencing CPI number 422536.