General safety information, Pre-installation – Flint & Walling Pressure Booster Pumps Instructions User Manual
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Copyright © 2014 FLINT & WALLING, INC. • 95 North Oak St. • Kendallville, IN 46755
flintandwalling.com
General Safety Information
Carefully read and follow all safety instructions in this 
manual and on pump. Keep safety labels in good condition. 
Replace missing or damaged safety labels.
This is a SAFETY ALERT SYMBOL. When you see this 
symbol on the pump or in the manual, look for one 
of the following signal words and be alert to the 
potential for personal injury or property damage.
Warns of hazards that WILL cause serious 
personal injury, death or major property 
damage if ignored.
!
Warns of hazards that CAN cause serious 
personal injury or death, if ignored.
Warns of hazards that MAY cause minor 
personal injury, product or property damage 
if ignored.
IMPORTANT:  Indicates factors concerned with operation, 
installation, assembly or maintenance which could result in 
damage to the machine or equipment if ignored.
NOTE:  Indicates special instructions which are important but 
are not related to hazards.
Wire motor for correct voltage. See
“Electrical” section and Motor Data Charts 
C&D of this manual, and motor nameplate.
Ground motor before connecting to
power supply.
Meet United States National Electrical
Code and local codes for all wiring.
Do not handle a pump or pump motor
with wet hands or when standing on a wet 
or damp surface or in water.
Hazardous volt-
age. Can shock, 
burn or cause 
death. Ground 
pump before con-
necting to power 
supply.
!
Follow wiring instructions in this manual when connecting
to power lines.
!
Always disconnect power source before 
performing any work on or near the motor 
or its connected load.
Do not use to pump flammable or explosive fluids such 
as gasoline, fuel oil, kerosene, etc. Do not use in flam-
mable and/or explosive atmospheres.
Hazardous pressure! Install pressure relief valve in 
discharge pipe. Release all pressure on system before 
working on any component.
1. Make workshop child proof - use padlocks, master switches;
remove starter keys.
2. Wear safety glasses when working with pumps.
3. Wear a face shield and proper apparel when pumping 
hazardous chemicals.
4. Keep work area clean, uncluttered and properly lighted;
replace all unused tools and equipment.
5. Provide guarding around moving parts.
6. Keep visitors at a safe distance from the work area.
7. Periodically inspect pump and system components.
8. Protect electrical cord. Replace or repair damaged or worn 
cords immediately.
9. Do not insert finger or any object into pump or motor
openings.
10. Secure the discharge line before starting the pump. An
unsecured discharge line will whip, possibly causing 
personal injury and/or property damage or puncture.
Do not touch an operating motor or 
engine. They are designed to operate at 
high temperatures.
!
 This product contains chemicals known 
to the State of California to cause cancer 
and birth defects or other reproductive 
harm.
!
Risk of Electric Shock. This pump has not 
been investigated for use in swimming 
pool areas.
NOTE: Pumps with the “CSA-CUS” mark are tested to UL 
standard UL778 and certified to CSA standard C22.2 No. 108.
Pre-Installation
HANDLING
1. Use handle supplied to lift pump.
2. Avoid impact on pump or motor. In particular, avoid 
impact on discharge end of pump or rear motor access 
cover.
LOCATION
!
In any installation where property 
damage and/or personal injury might 
result from an inoperative or leaking 
pump due to power outages, discharge line blockage, or any 
other reason, a backup system(s) should be used.
1. Locate pump as close to the fluid source as possible,
keeping the inlet pipe short as possible.
2. Place unit where the pump and piping are protected
from the weather and extremes of heat, humidity and 
below freezing temperatures.
3. Mount unit in a dry location that is easily accessible for
inspection and maintenance. If a dry location is not 
available, mount it on a foundation well above the wet 
floor.
4. Allow ample clearance around unit for free air
circulation.
SUCTION LIMITATIONS
1. Units are non self-priming. 
2. Pressure booster pumps are not recommended for 
suction lift applications.
PIPING
1. Use galvanized piping, rigid plastic or other suitable pipe 
that will not collapse under suction or rupture due to 
pressure.
If hose is used, make sure it is the 
reinforced industrial type that is rated 
higher than the shutoff pressure of the 
system. Ordinary garden hose will collapse and starve the 
pump of water.
2. The diameter of the inlet and discharge pipe should be
no smaller than the corresponding ports of the pump 
(See Figure 1). Smaller pipe will reduce the capacity of 
the pump. Increase pipe size on long runs.
3. Avoid air pockets in inlet piping or air will accumulate at
high points, making priming difficult.
4. Use pipe compound on all joints and connections. Use
Teflon tape or plastic joint stik, on plastic pipe. Draw all 
pipe up tightly.
