Hydraulic High Pressure Gear Oil Pumps NBZ NBZ4 Series NBZ4-C80F NBZ4-C100F NBZ4-G63F Gear Oil Pumps

Hydraulic High Pressure Gear Oil Pumps 2 Mounting instructions and hints 2.1 Generals A prerequisite for all mounting operations is cleanliness. Be careful to prevent any dirt from entering into the hydraulic system. Make sure that the inside of the piping and the fluid tank is properly cleaned. Remove the vent plugs immediately before mounting the gear unit. Cranking the drive shaft by hand is not or hardly possible. The mounting position is at choice. Units with 3 or 4 sections must be reinforced

Hydraulic High Pressure Gear Oil Pumps NBZ NBZ4 Series NBZ4-C80F NBZ4-C100F NBZ4-G63F Gear Oil Pumps

2.3 Couplings 2.3.1 Flexible Couplings Flexible couplings are used for gear units with tapered or cylindrical drive shaft. We recommend to use flexible gear rim couplings or flexible pin rim couplings. The drive shaft must not be subjected to axial or radial loads as this would result in heavy wear of the gear unit. The permissible deviations from the true shape and from the required position, which are shown in Fig. 1, must be complied with, according to the coupling manufacturer demands (K). If the deviations are exceeded, a reduction of the service life of the gear unit and the driving unit as whole will result. In the event of the gear pump, the driving machine or a coupling half having been replaced, check the axial clearance E and reset it, if required.