Pump Solutions Group Neptune Series 560 dia-PUMP User Manual
Page 9

5
1.0.9
(Continued)
1.0.11 Set capacity knob to zero and remove Air Bleed Plug from the top of Oil Chamber, refer to drawings 5670 (Page
19) for the location of plug (#512). Fill gear box and pump by pouring the hydraulic fluid supplied through the fill
opening at the rear of the pump. Pour fluid in slowly until it has reached the correct level per figure above. Do
not over fill as this can cause damage to the motor.
Allow a few minutes for the hydraulic fluid make its way into the pump chamber and then recheck fluid Level,
reinstall Air Bleed Plug.
The hydraulic fluid supplied by Neptune is:
EP Gear Oil, ISO #68, Norton Petroleum Corp., 290 Possum Park Road, Newark, DE 19711
(302) 731-8220 GAS No. 64742-54-7, 64742-65-0 or 64741-88-4.
Heavier hydraulic fluid is supplied by Neptune for Hi Pressure Systems is EP SAE 90.
1.0.12
Please note that this manual describes both metal head pumps (Material Code N1, N3 or N4) and PVC head
pump (Material Code N5) or KYNAR head (Material Code N8). The figure number references used throughout
the manual are for the metal head pumps. The metal pumps are shown on drawing 5670 on page #18. The
comparable PVC and KYNAR head pump parts are shown on the New Style PVC and KYNAR Head drawing
on page #20.
Alternate Oils For Standard
Mfg.
Alternate High Pressure Oils
Omala #68
Shell Oil
Omala #220
Mobil Gear #626
Mobil Oil
Mobil Gear #629
Sun EP #68
Sun Oil
Sun Oil #220
Meropa #68
Texaco
Meropa #220
FIGURE 1