15
IL1351
2
IL1350
Priming Plug
with Pressure
Gauge
Air Relief Plug
1
CAUTION:
All pumps must be primed
(filling the cavity with water) before they are
first operated. This may take several gallons of
water, as the suction line will be filled in addition
to the pump cavity.
1. Remove the priming plug with pressure
gauge and air relief plug.
2. Slowly fill pump cavity until water comes out of
air relief hole on top of the pump.
PUMP PRIMING & STARTUP
IL1352
Water Level in
Pump Cavity
3
3. Replace air relief plug and continue adding
water to pump cavity until water reaches the
top of the priming plug.
IL1352
Water Level in
Pump Cavity
4
4. Check to be sure water in pump cavity stays
constant. If water level goes down, it could
indicate a leak in the foot valve, check valve or
suction pipe.