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Operation
Priming the Pump
NOTICE 'Priming' refers to pump expelling all air in the
system and beginning to move water from its source out
into system. It does not refer only to pouring water into
pump (although pouring water in is usually the first step).
Risk of burns . NEVER run pump dry. Running
pump without water may cause pump to overheat,
damaging seal and possibly causing burns to persons
handling pump. Fill pump with water before starting.
1. Remove priming plug.
2. Make sure suction and discharge valves and any
hoses on discharge side of pump are open.
3. Fill pump and suction pipe with water (Figure 5).
Figure 5 - Fill Pump Before Starting
4. Replace priming plug, using PTFE tape on thread;
tighten plug.
NOTICE If priming tee and plug have been provided
for long horizontal run, be sure to fill suction pipe
through this tee and replace plug. Use PTFE tape
on plug.
5. Start pump; water should be produced in 5 minutes
or less, time depends on depth to water. If no water
is produced within 5 minutes, stop pump, release all
pressure, remove priming plug, refill and try again.
pump against closed discharge. To do so can boil water
inside pump, causing hazardous pressure in unit, risk
of explosion and possibly scalding persons handling
pump (Figure 6). Replace priming plug with pressure
gauge to monitor pressure so that it is not allowed to
exceed maximum pumping pressures according to
Performance chart.
Figure 6 - Do Not Run Pump With Outlet Shut Off
To prevent explosion be sure discharge (valve, pistol grip
hose nozzle, etc.) is open whenever pump is running.
Monitor pump body and piping temperature. Motor will
warm up; this is normal. If pump body or piping begin to
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feel warm to touch, shut off pump and allow system to
cool. Release all pressure in system and refill pump and
piping with cold water.
Risk of explosion and scalding . NEVER run
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