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