SEAL-O-RING 8M4389 - Caterpillar

Engine3512C (S/N: SCC1-99999)3512E (S/N: MR2208-99999; MR4205-99999; MR81-99999)3516C (S/N: PRC103-99999; SKC130-99999; TKG1-99999; SCJ1-114,1000-99999; SCK1-123,1023-99999; SFK128-99999; SDX107-99999)3516E (S/N: MD51-99999; MR9213-99999; MRC246-99999; MRN1-99999)C175-16 (S/N: 3B9113-99999; WYC1-126,1000-1012,2000-99999)C175-20 (S/N: R4F1-99999)C280-16 (S/N: R4M1-108,111-99999; S4M1-99999)Marine EngineC280-12 (S/N: RH7104-99999; RML1-99999)C32 MARINE (S/N: MX4104-99999; PWT1-99999)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
In certain cases the 375-7205 Diesel Exhaust Fluid Nozzle Gp can develop a leak between the nozzle and the 477-3114 Lance As.Solution
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, but a permanent repair has not been identified. As an interim solution follow the repair instruction given below.Tighten the 375-7205 Diesel Exhaust Fluid Nozzle Gp to a torque of 41 N m (30 lb ft) to the 477-3114 Lance As.