The Hydraulic Fluid Return Hose Material Has Been Improved on Certain F and F2 Series Backhoe Loaders. {5057} Caterpillar

Backhoe Loader

415F2 (S/N: HWA1-517)

415F2 IL (S/N: PF41-619)

416F (S/N: KSF1-UP; LWT1-UP)

416F2 (S/N: LYA1-395; HWB1-1216; LBF1-3025)

420F (S/N: LTG1-UP; LKH1-UP; JWJ1-UP; SKR1-UP)

420F2 (S/N: LBS1-638)

420F2 IT (S/N: LYC1-479; HWD1-1879)

420F2 ST (S/N: LYB1-554; HWC1-2431)

422F (S/N: LRH1-UP)

422F2 (S/N: LYF1-857)

427F2 (S/N: HWK1-327)

428F (S/N: LBH1-UP; RAK1-UP; SJW1-UP)

428F2 (S/N: LYG1-2163; HWN1-701)

430F (S/N: RDF1-UP; LNH1-UP; RGS1-UP; LDY1-UP)

430F2 IT (S/N: LYE1-209; HWG1-478)

430F2 ST (S/N: LYD1-206; HWE1-478)

432F (S/N: SEJ1-UP; LNR1-UP; PXR1-UP)

432F2 (S/N: LYJ1-639; HWP1-1236)

434F (S/N: LDH1-UP; MTR1-UP; FLY1-UP)

434F2 (S/N: LYK1-368; HWR1-232)

444F (S/N: LJJ1-UP; FBN1-UP; JXR1-UP)

444F2 (S/N: LYL1-397; HWS1-423)

Description Of Change: An improved bulk hose is now used on the machines listed above. The stronger bulk hose can better withstand vacuum pressures generated by some work tools such as hammers.

Adaptable To:

Illustration 1	g06202390
(1) 5P-1506 Hose (2) 9M-2904 Hose Clamp (3) 4D-7388 Clip

A stronger bulk hose is available that can withstand vacuum pressures generated by some work tools such as hammers. The 5P-1506 Hose can better handle vacuum pressure conditions.

The following changes are adaptable to the products within the listed serial numbers, and are effective with all products after the listed serial numbers.