LINES GP-RADIATOR 1860510 - Caterpillar

Track-Type Tractor:
D8N (S/N: 5TJ1-UP; 7TK1-UP; 9TC1-UP)
D8R (S/N: 7XM1-UP; 9EM1-UP)
Service Magazine SEPD0451, 11 January 1999, "New Pilot Tool Available for Removal of Recoil Spring". Disregard this article. See the article that follows.Reference: Service Magazine, SEPD0195, 28 February 1994, "New Adjuster and Recoil Group Resists Bending and Breaking"Reference: Service Magazine, SEPD0400, 19 January 1998, "Use the Recoil Spring Compressor (133-9872 Pilot Assembly) for Removal and Installation of Recoil Spring"Reference: Service Manual Module, SENR3412, "Power Train Disassembly and Assembly", "Recoil Springs". This module is for insertion into Service Manual, SENR3405 for D8N Track-Type Tractors.Reference: Service Manual Module, SENR8327, "Power Train Disassembly and Assembly", "Recoil Springs". This module is for insertion into Service Manual, SENR8320 for D8R Track-Type Tractors.Description of Change: A new pilot assembly is available for removing the recoil spring on some D8N and all D8R Track-Type Tractors. Use of this tool ensures correct centering of the recoil spring and the tube.Adaptable To: The new 133-9872 Pilot Assembly is a direct replacement for the former 5P-8620 Pilot Assembly for tractors that are equipped with the 104-6374 Track Adjuster Piston. The new 104-6374 Piston is effective with D8N (S/N: 5TJ700-UP; 7TK1-UP) and D8R (S/N: 7XM1-UP; 9EM1-UP) Track-Type Tractors.