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Operation
Pressure Relief Procedure
WARNING
PRESSURIZED EQUIPMENT HAZARD
The equipment stays pressurized until pressure is
manually relieved. To reduce the risk of serious
injury from pressurized fluid, accidental spray from
the dispensing device, or splashing fluid, follow this
procedure whenever you
D Are instructed to relieve pressure
D Stop pumping
D Check, clean, or service any system equipment
D Install or clean fluid nozzles
1. Stop pumping, and shut off the air to the pump.
2. Relieve pressure in the surge suppressor as
follows:
D For automatic surge suppressors, remove the
air pressure gauge, and allow any residual air
pressure to escape.
D For manual surge suppressors, adjust the
regulator to relieve the air pressure by dialing
down the pressure.
WARNING
TOXIC FLUID HAZARD
Hazardous fluid or toxic fumes can
cause serious injury or death if splashed
in the eyes or on the skin, inhaled, or
swallowed.
D Read TOXIC FLUID HAZARD on page 3.
D Use fluids and solvents which are compatible
with the equipment wetted parts. Refer to the
Technical Data section of all equipment manu-
als. Read the fluid and solvent manufacturer’s
warnings.
WARNING
FIRE AND EXPLOSION HAZARD
Charge the surge suppressor with
compressed air or nitrogen only. Do not
use oxygen.
Never pump flammable fluids with
polypropylene units.
Charging the surge suppressor with oxygen or
pumping flammable fluids with polypropylene units
could cause a fire or an explosion.
Minimum and Maximum Operating
Temperatures
Find the minimum and maximum operating tempera-
tures for your surge suppressor unit in the list below.
These temperature limits are stated at zero gauge
pressure.
Automatic Husky 750
239095 10_ to 180_ F (–12_ to 82_ C)
239096 32_ to 175_ F (0_ to 79_ C)
239121 40_ to 175_ F (4_ to 79_ C)
239122 32_ to 175_ F (0_ to 79_ C)
239123 40_ to 220_ F (4_ to 104_ C)
239124 –10_ to 350_ F (–23_ to 176_ C)
Automatic Husky 2000
239092 32_ to 175_ F (0_ to 79_ C)
239093 32_ to 175_ F (0_ to 79_ C)
239126 40_ to 175_ F (4_ to 79_ C)
239127 32_ to 175_ F (0_ to 79_ C)
239128 40_ to 175_ F (4_ to 79_ C)
Manual Husky 750
239090 10_ to 180_ F (–12_ to 82_ C)
239091 32_ to 175_ F (0_ to 79_ C)
239129 40_ to 175_ F (4_ to 79_ C)
239130 32_ to 175_ F (0_ to 79_ C)
239131 40_ to 220_ F (4_ to 104_ C)
239132 –10_ to 350_ F (–23_ to 176_ C)
Manual Husky 2000
239087 32_ to 175_ F (0_ to 79_ C)
239088 32_ to 175_ F (0_ to 79_ C)
239134 40_ to 175_ F (4_ to 79_ C)
239135 32_ to 175_ F (0_ to 79_ C)
239136 40_ to 175_ F (4_ to 79_ C)