The THAP 400E air-driven oil injector can be used for mounting and dismounting SKF OK Couplings, large pressure joints such as bearings, flywheels, couplings and railway wheels. It is also suitable for similar applications for pressures up to 400 MPa/58,000 psi. The unit consists of a hydraulic pump driven by an air motor. The item is supplied in a sturdy case including oil suction and return hoses with quick connect couplings. SKF Mounting and Dismounting fluids are recommended for use with the THAP 400E.