Engine Disassembly and Assembly Engine Disassembly and Assembly - Service Tools N14 Page 0-5 Engine Disassembly and Assembly - Service Tools The following special tools are recommended to perform procedures in section 1. The use of these tools is shown in the appropriate procedure. These tools can be purchased from your local Cummins Authorized Repair Location. Tool No. Tool Description Tool Illustration Lifting Fixture ST-125 or 3822512 Designed to lift all H/NH engines except 5 1/8-inch bore with a top mounted turbocharger. Engine Support Stand Support engine when not in-chassis or on the engine rebuild stand. ST-163 Standard Puller Use to remove drive pulleys, impellers, etc.
ST-647 Torque Wrench Adapter Tighten crosshead and rocker lever adjusting screws. ST-669 Crankshaft Oil Seal Installer Use to drive the crankshaft oil seal into the rear cover. This tool also aligns the rear cover to the crankshaft. ST-997 Fuel Pump Drive Oil Seal Mandrel ST-1173 Use to drive the accessory drive oil seal into the gear cover while mounted.