ENGINE AR 1215793 - Caterpillar

Backhoe Loader:
422E (S/N: HBE1-1406,1600-UP; DSK1-302,304-305,307-308,316-317,319-328,332-333,336-336,338-340,349-UP; MAW1-261,263-UP)
428E (S/N: DXC1-316,322-322,324-324,326-326,337-339,343-421,424-424,427-428,430-448,450-450,452-UP; DPH1-268,270-277,279-UP; SNL1-2073,2200-UP)
432E (S/N: JBA1-UP; BXE1-1,260-2060,2200-UP; RXS1-196,198-199,202-UP)
434E (S/N: SXB1-177,186-210,215-UP; SEF1-UP; FSH1-830,900-UP; SJL1-UP)
442E (S/N: EME1-UP; PCR1-162,164-UP; GKZ1-511,600-UP)
444E (S/N: NBA1-UP; HXB1-154,157-UP; LBE1-498,600-UP)
Service Magazine, SEPD1142, 24 June 2010, "Improved Torque and Retention are Now Available for Certain "E -Series" Backhoe Loaders ". Disregard the existing article. Refer to the following information.Description of Change: Torque for hydraulic tank diffuser retaining bolts is increased for certain "E-Series" Backhoe Loaders. This effects the bolts that are retaining the hydraulic tank diffuser. This change will improve the durability of the machine.Adaptable To: The torque on the six bolts has been increased to 4.5 0.5 N m (3.32 0.37 lb ft). The bolts are tightened in a star pattern. The bolts are now fitted using thread lock. Six new 222-4067 Bolts and 1 new 132-3056 O-Ring Seal should be used to replace the existing parts. The existing parts are the same part number as the replacement parts. These methods are adaptable to the machines that are listed above.