Day Tank
Pump Priming
Procedure
The Day Tank pump is shipped from the factory pre-primed
with SAE 30 oil. On initial start-up the pump must be
manually pre-primed.
Do not prime the system by running
the pump motor
! Normally it is not necessary to fill the
supply line with fuel to prime the pump.
1. Remove the steel plug from the pump
priming tee, insert a short piece of pipe in the
pump priming tee and attach a reducing
coupler or funnel.
2. Fill the line from the check valve to the
pump with fuel oil or lube oil. Energize the
pump/motor and observe fuel flowing through
the clear flex hose. Allow the pipe to drain
about halfway, then hold your hand on the top
of the pipe to temporarily seal the open tee.
The oil drawn into the pump will act to seal
the pump and allow a large vacuum to be
generated. Repeat as required until line is
primed. After pump is primed remove
pipe/funnel and replace plug in pump priming
tee.
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