of the required level. Replace both pipe plugs after filling. Do not add oil through the port on
the side of the motor adapter, as this port is for motor drive coupling access only.
5.1.3 Hydraulic Oil Fill
Remove the diagnostic window to gain access to the reservoir and add PULSAlube 7H
hydraulic oil until the oil level is between the max and min as indicated on the label on the side
of the eccentric box. The oil level should be below the upper coils of the piston return spring, if
the upper coils of the spring are submerged, the oil level is too high (ref. Figure 10). Adding 1
liter (approx. 1 quart) of oil to a fully drained pump will result in the correct fill level. High oil
level will not affect the operation of the pump; however, it can result in nuisance leakage of oil.
Replace the window, making sure it is properly aligned and square before tightening the
thumbscrew.
Figure 10
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