PUMP GP-PISTON 2283638 - Caterpillar

Remove Precombustion Chambers
Start By:a. remove glow plugsb. remove fuel injection valves. FLUID SPILLAGE CONTAINMENT Care 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 PRODUCT GUIDE, NENG2500", for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose fluids according to local regulations and mandates.1. Drain the coolant from the cylinder heads into a suitable container for storage or disposal. 2. Make a separation between the push rod rocker arms with Tool (A). Move the rocker arms to one side. 3. Remove valve bridges (1).4. Remove precombustion chambers with Tool (B).Install Precombustion Chambers
FLUID SPILLAGE CONTAINMENT Care 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 PRODUCT GUIDE, NENG2500", for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose fluids according to local regulations and mandates. 1. Put liquid soap on the bore of the cylinder head and on seal (2).2. Put 5P-3931 Anti-Seize Compound on the threads of precombustion chamber (1). Install chamber (1) and gasket (3) in the chamber head. Tighten the precombustion chamber with Tool (B) to a torque of 205 14 N m (150 10 lb ft). 3. Install bridges (4).4. Make a connection between push rods and rockers arms with Tool (A).5. Check the level of the coolant in the engine.End By:a. install fuel injection linesb. install glow plugs