Pulsafeeder PulsaPro 900 EN - Manual (Page 18)

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6.1.2 Oil Fill
The pump is shipped from the factory filled to the proper level with PULSAlube Universal
or Ultra. The oil is held within two main reservoirs – the Gear Box (located on the motor
end of the pump) and the Pump Head (located on the process fluid end of the pump). The
two reservoirs are connected to allow lubricant to flow between them to assure a constant oil
level across the entire pump.
Two sight glasses provide a visual confirmation of oil level. One is located in the Pump
Head next to the HBV valve. The second is located in the Gearbox below the motor on the
centerline. The construction and operating conditions of the pump can cause the oil level to
go up or down during operation – this is normal. The level should be set to the center of the
sight glass. During operation the level can increase or decrease from this position, but should
always be visible within the window. For reliable measurements shut the pump off, set the
Stroke Adjustment to 0% stroke and wait approximately 5 minutes before reading the sight
glass levels.
The oil fill is located on the top of the gearbox opposite the motor (see Figure 9A). To fill,
remove the cover and add PULSAlube Universal or Ultra. Because this one fill location
supplies two reservoirs, it is necessary to wait several minutes for the level to stabilize across
the entire pump.
D O NOT OVERFILL ! O VERFILLING CAN CAUSE MALFUCTION AND MAY RESULT IN
DAMAGE NOT COVERED BY WARRANTY .
During normal operation, the worm gear running behind the sight glass in the gearbox
will cause oil to cover the glass completely. This is normal and does not reflect the true
measure of oil level. Turn the pump off and set the Stroke Adjustment to 0% to check
the oil level properly.
Figure 9A: Gearbox Oil Level
Proper Oil
Level with
Pump Off
REAR SIGHT GLASS
Rear
Sight
Glass
Oil Fill
Rear Sight
Glass