RING-SEAL 8P7780 - Caterpillar

Remove & Install Turbocharger
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 tube assemblies (1) and (2) from the turbocharger cartridge assembly (3). Check the condition of the O-ring seals on tubes (2) and (3). Use new parts for replacement if the O-ring seals are worn or damaged.2. Attach a strap and a suitable lifting device to turbocharger (3). 3. Remove four bolts (4) and turbocharger (3). Turbocharger (3) weighs approximately 34 kg (75 lb). The following steps are for the installation of the turbocharger.4. Put turbocharger (3) in position on the exhaust manifold. Put 5P-3931 Anti-Seize Compoundon bolts (4). Install bolts (4). Tighten bolts (4) to a torque of 55 5 N m (40 4 lb ft).5. Install tube assemblies (1) and (2).Disassemble & Assemble Turbocharger
Start By:a. remove turbocharger 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. Position the turbocharger on a bench. Remove the support clamp and hose from waste gate assembly (1).2. Put alignment marks on the housing and the cartridge of the turbocharger for correct assembly. 4. Loosen the nuts on clamps (3).5. Separate housings (2) and (4) from the cartridge assembly.
Do not attempt to disassemble the turbocharger cartridge assembly or the waste gate. Do notremove the compressor wheel. The cartridge and the waste gate are not "field serviceable", and should be replaced only as a unit.
6. Check the condition of all components. Use new parts to replace any worn or damaged components.7. Assemble the turbocharger assembly in the reverse order of disassembly.8. Tighten the nuts on clamp (3) to a torque of 18 3 N m (13 2 lb ft). Tap the clamp lightly all around with a soft hammer and tighten it again to a torque of 18 3 N m (13 2 lb ft). For more information regarding the turbocharger, see the topic "Turbocharger" in the Specifications Manual.End By:install turbocharger