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HRO-ST3131
Mar 8, 2004
EQUIPMENT PRESSURE
The HRO ST-3131 pump can develop 3500
P.S.I. (225 Bar) maximum working pressure at
Never exceed this maximum pressure to the pump.
Exceeding the maximum working pressure can
result in serious equipment damage or rupture.
FIRE OR EXPLOSION WARNING
The flow of fluid through the inside of pump
and hose can give occasion to static electricity
by the high velocity, so be sure to ground
every part of the spray equipment properly.
Sparking can ignite fumes from solvents and
fluid being sprayed, dust particles and other
flammable substances, whether you are spraying
indoors or outdoors, It can result in serious
bodily injury or property damage.
Never plug in or unplug any power supply cords
in the spray area where there is any chance of
igniting fumes still in the air.
If you experience any static sparking or even a
slight shock while using this equipment, stop
spraying immediately and check the entire
system for the grounding situation.
Do not use again until the problems have been
identified and corrected.
EQUIPMENT ALTERATION WARNING
Never alter any part of spray equipment or
other accessories. Altered or modified. such as
over-pressurizing, modifying parts, using
incompatible chemicals and fluids including
worn or damaged parts can result in malfunction
causing serious bodily injury, fire, explosion or
property damage. Always check all spray
equipment regularly and repair or replace
worn or damaged parts without delay.
Workman and assistant must always wear
protective eyewear, gloves, clothing, and
respirator as recommended by the material
manufacturer.
PRESSURE RELIEF PROCEDURE
Always follow “PRESSURE RELIEF PROCEDURE’’
before servicing, cleaning or removal of the spray tip to
prevent serious bodily injury, fluid injection, or splashing
in the eyes.
1 Engage the spray guns safety latch in “LOCK” position
2 Shut off the power to the gas engine.
3 Disengage the spray gun safety latch and aim the spray
gun into the side of grounded metal pail, and trigger the
gun to relieve pressure.
1 Re engage the spray gun safety latch in “LOCK”
position.
2 Open the drain valve to release pressure. Leave drain
valve in open position during all service operations.
3 Leave drain valve open until you are ready to spray
again.
If you feel that the spray tip or hose is completely clogged
or pressure has not been fully relieved after following the
steps above, remove the tip retaining nut and release
pressure gradually.
HOSE SAFETY
Because of the high pressure in the hoses, if the hose
develops a leak, rupture, or other damage, High pressure
fluid could penetrate the skin, causing serious bodily injury.
•
Never use damaged hoses
. Before using check the en-
tire hose for cuts, leaks, abrasion, or a bulging cover. If
any type of damage is noticed, replace the hose immedi-
ately.
•
Spring guard : Hoses must have spring guard on both
ends where easy to damage or wear than other parts.
•
Tighten all fluid connections securely before use. High
pressure fluid can dislodge a loose coupling.
•
Do not pull on hoses to move, only lift the hoses up to
move them.
•
Do not exceed the hoses to temperatures above 180 de-
grees F. (82 degrees C.) or below –40 degrees F. (-40
degrees C.)
•
Before using be sure to check a tag on it which speci-
fies the maximum electrical resistance and do not
exceed the recommended limits.
•
Ungrounded or poorly grounded hose can give way
to serious system hazards or fire/explosion hazard.
