Door Lock Assemblies May Fail on Certain 320 to 345 GC Excavators {7273} Caterpillar

Excavator

320 (S/N: BR61-UP; ZBN1-UP; YBP1-UP; YCP1-UP; HEX1-UP)

320 GC (S/N: BR41-UP; DKJ1-UP; XBJ1-UP; KTN1-UP; ZBT1-UP)

323 (S/N: BR91-UP; DWE1-UP; DWF1-UP; YBL1-UP; RAZ1-UP)

330 (S/N: KEL1-UP; PFN1-UP; LHW1-UP)

330 GC (S/N: NDH1-UP; FEK1-UP; GDW1-UP)

336 (S/N: SP91-UP; JHD1-UP; FEL1-UP; YBN1-UP; DKS1-UP; GDY1-UP)

336 GC (S/N: EBJ1-UP; JFW1-UP)

340 (S/N: TYH1-UP)

345 GC (S/N: KEF1-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

Side door lock assembly failures are reported on the machines listed above. Lock assembly failure will prevent locking the door.

Solution

Replace failed lock assembly with same part number. 508-9608 Lock As for battery room door and 508-9604 Lock As for radiator room door and pump room door.

Illustration 1	g06405783
Lock Assembly (B) Lock assembly for battery room door (A) Lock assembly for radiator room door and pump room door.