AIR COMPRESSOR (cont)
Heated parts may cause injury to personnel if hand protection is not worn when handling. Wear protective
gloves for maximum protection.
Install main ball bearing (118) on an induction heater and heat to 250°F (121°C).
Remove main ball bearing (118) from induction heater and install on crankshaft (115).
Components of this locomotive are heavy and may be awkward to handle. Use correct lifting procedures,
indicated lifting devices, and/or assistance from other personnel to avoid injury.
Use a suitable lifting device and slowly lower crankshaft (115) into crankcase (116). Check that main ball bearing
(118) is firmly seated.
Install main ball bearing (117) on an induction heater and heat to 250°F (121 °C).
Remove main ball bearing (117) from induction heater and install on crankshaft (115).
Coat gasket (114) with grease and install on main bearing housing (113).
Install main bearing housing (113) and nuts (112). Tighten nuts evenly and pull main bearing housing in place.
Turn crankshaft (115) and check that main ball bearings (118) and (117) turn freely. If crankshaft does not turn
freely, use a hammer and lightly tap main bearing housing (113) near oil seal bore to relieve tension.
Oil seals are presoaked and wrapped in an airtight paper when received from the manufacturer. However,
if the oil seals have been stored for a considerable length of time, they may be dry and should be
resoaked in oil for a period of 12 hours before installation.
Install oil seals (120) and (119).