2012/02/17 Caterpillar

Excavator:

323D L (S/N: SDC1-UP; NDE1-UP)

323D (S/N: JLG1-UP)

324D L (S/N: LAB1-UP)

324D LN (S/N: EJC1-UP)

324D L (S/N: T2D1-UP; JJG1-UP)

324D LN (S/N: TRH1-UP)

324D L (S/N: BTK1-UP; SYM1-UP)

325D L (S/N: GPB1-UP; NAC1-UP)

325D LN (S/N: PKE1-UP)

325D (S/N: C4H1-UP)

325D L (S/N: ERK1-UP)

325D (S/N: RJK1-UP)

325D L (S/N: LAL1-UP)

325D (S/N: MCL1-UP)

325D L (S/N: PAL1-UP; A3R1-UP)

325D MH (S/N: GBR1-UP)

325D L (S/N: T2S1-UP)

329D L (S/N: XDB1-UP)

329D (S/N: BFC1-UP)

329D L (S/N: CZF1-UP; L5G1-UP)

329D (S/N: JHJ1-UP; RSK1-UP)

329D LN (S/N: EBM1-UP)

329D (S/N: TPM1-UP)

329D L (S/N: WLT1-UP)

329D (S/N: SCY1-UP)

330D L (S/N: R2D1-UP)

330D LN (S/N: GGE1-UP)

330D L (S/N: THJ1-UP)

330D (S/N: C5K1-UP)

330D MH (S/N: PEL1-UP; JJM1-UP)

330D (S/N: LEM1-UP)

330D L (S/N: LRM1-UP; ERN1-UP; MWP1-UP; HAS1-UP; RAS1-UP; T2Y1-UP)

336D L (S/N: PTB1-UP)

336D (S/N: JBF1-UP; J2F1-UP)

336D HW HD L (S/N: LMG1-UP)

336D LN (S/N: MYG1-UP)

336D (S/N: KDJ1-UP)

336D LN (S/N: L5K1-UP)

336D (S/N: W3K1-UP)

336D L (S/N: ZML1-UP; PPN1-UP)

336D (S/N: MYP1-UP)

336D L (S/N: M2P1-UP)

336D HW HD L (S/N: JWR1-UP)

336D (S/N: DTS1-UP)

336D L (S/N: MDS1-UP)

336D (S/N: WET1-UP)

345C L (S/N: ESD1-UP; TDG1-UP; TAJ1-UP; S5M1-UP)

345C MH (S/N: M2R1-UP; D3S1-UP)

345C L (S/N: PJW1-UP)

345D L (S/N: YEE1-UP; EEH1-UP; RAJ1-UP; MLK1-UP)

349D L (S/N: JGB1-UP; RBJ1-UP; KHS1-UP)

M325D MH (S/N: EDF1-UP)

M325D MH L (S/N: KGG1-UP; KAY1-UP)

UNDERCARRIAGE (S/N: DSL1-UP; L3M1-UP)

Mobile Hydraulic Power Unit:

324D MHPU LN (S/N: KJR1-UP)

325D MHPU L (S/N: SRC1-UP; C3N1-UP)

329D MHPU L (S/N: L5H1-UP)

330D MHPU L (S/N: D3D1-UP)

330D MHPU LN (S/N: GMN1-UP)

336D MHPU L (S/N: M3M1-UP)

336D MHPU (S/N: M3N1-UP)

336D MHPU LN (S/N: M3S1-UP)

Description of Change: The new high tone horns and low tone horns produce sound with good quality when the new high tone horns and low tone horns are activated. These new horns have improved reliability and durability.

Adaptable To: The 7Y-3920 Horn (HIGH TONE) and 7Y-3919 Horn (LOW TONE) have terminal connectors. The 369-0135 Electric Horn Gp (HIGH TONE) and 369-0134 Electric Horn Gp (LOW TONE) have Deutch connectors.

The following table shows the part number of the new horns that replace the former horns:

Rework Procedure

Refer to the below table 2 for replacing the former horns with new horns.

The new horns are adaptable to the following machines:

The new horns are effective with the following machines: