RING-SEAL 6Y5793 - Caterpillar

Remove Valve Lifter
Start By:a. remove valve covers Fluid Spillage ContainmentCare must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to "Tools And Shop Products Guide", NENG2500 for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose fluids according to local regulations and mandates.1. Remove the bolts that hold the valve cover bases and remove the valve cover bases. 2. Loosen the fuel injection line nut at the nozzle end with Tool (A).2. Loosen the fuel line nut at the fuel injection line adapter with Tool (B). Remove inner fuel injection lines (1). Install caps and plugs on all fuel line openings to keep dirt out of the fuel system. If necessary, use Tool (D) to turn the engine so the valves do not make contact with the pistons when the valves are opened with Tool (C) to remove the push rods.3. Put compression on the valve springs with Tool (C), and remove push rods (2). Put identification marks on the push rods as to their location in the engine.4. Push the push rod end of the rocker arms down. 5. Remove the inlet valve lifter with Tool (E) as follows:a. Install 5P-2685 Nut(4) and 5P-6601 Collet(3) on 5P-2408 Outer Handle Assembly(5).b. Install 5P-6599 Inner Handle Assembly(6) in 5P-2408 Outer Handle Assembly(5). c. Install Tool (E) in the inlet valve lifter. Hold the 5P-2408 Outer Handle Assembly, and tighten the 5P-6599 Inner Handle Assemblyuntil the 5P-6601 Colletis tight against the inside of the inlet valve lifter. d. Remove inlet valve lifters (7) from the cylinder block with Tool (E). Put identification marks on the lifters as to their location in the engine. 6. Remove the exhaust valve lifters with Tool (E) as follows:a. Install 5P-2685 Nut(3) and 5P-6601 Collet(4) on 5P-2408 Outer Handle Assembly(5). The opening in the cylinder head assembly for the inlet valve lifter is larger than the opening in the exhaust valve lifter side. The tooling and each valve lifter must be installed and removed from the inlet valve lifter side.b. Install the outer handle assembly in the inlet valve lifter side of the cylinder head assembly. Slide the flat area of 5P-2408 Outer Handle Assembly(5) through the head casting, and install the 5P-6601 Colletin the exhaust valve lifters. c. Install 5P-6599 Inner Handle Assembly(6) in 5P-2408 Outer Handle Assembly(5). Hold the 5P-2408 Handle Assembly, and tighten the 5P-6599 Handle Assemblyuntil the 5P-6601 Colletis tight against the inside of the exhaust valve lifter.d. Pull the exhaust valve lifter up until the spring on the exhaust valve lifter is free from the cylinder block.e. Remove the 5P-6599 Inner Handle Assembly. Slide the 5P-2408 Outer Handle Assemblythrough the head casting, and remove it from the inlet valve lifter side of the cylinder head. f. Use a magnet, and remove exhaust valve lifters