Engine Oil Lines May Deteriorate On Certain 826K Landfill Compactors, 825K Soil Compactors, and 824K Wheel Dozers {1307} Caterpillar

Landfill Compactor

826K (S/N: 2321-UP; 2L3206-UP; 2T6106-UP; SET1-UP)

Soil Compactor

825K (S/N: 2331-UP; 2L9203-UP; 2T9116-UP; SEE1-UP)

Wheel Dozer

824K (S/N: 2T2104-UP; 2L4215-UP; 2341-UP; RWB1-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.

Problem

Engine oil lines may deteriorate on the machines listed above. The failure is due to the hose material, which is susceptible to deterioration due to prolonged heat.

Solution

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Do not operate or work on this product unless you have read and understood the instruction and warnings in the relevant Operation and Maintenance Manuals and relevant service literature. Failure to follow the instructions or heed the warnings could result in injury or death. Proper care is your responsibility.

Caterpillar is aware of this problem and is recommending the following interim solution.

398-7821 Hose As

Illustration 1	g06407147
(1) 456-8560 Hose (D1) 874 ± 7 mm (34.4 ± 0.3 inch)

Note: Length of Hose (1) is 740 mm (29.1 inch)

398-7822 Hose As

Illustration 2	g06407148
(1) 456-8560 Hose (D1) 692 ± 7 mm (27.2 ± 0.3 inch)

Note: Length of Hose (1) is 570 mm (22.4 inch)

548-6785 Hose As

Illustration 3	g06407150
(1) 456-8560 Hose (D1) 712 ± 7 mm (28.0 ± 0.3 inch)

Note: Length of Hose (1) is 590 mm (23.2 inch)

In the event of the deterioration of the hose, replace the existing 398-7821 Hose As, 398-7822 Hose As, and 548-6785 Hose As using improved high temperature medium pressure hose bulk (1).