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PAGE 8 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
SAFETY INFORMATION
PUMP SAFETY
DANGER
NEVER operate the equipment in an explosive
atmosphere or near combustible materials. An
explosion or fire could result causing severe
bodily harm or even death.
NEVER use pump for swimming pool dewatering applications.
This can result in electrical shock or electrocution.
WARNING
Accidental starting can cause severe injury
or death. ALWAYS place the ON/OFF
switch in the OFF position.
DO NOT place hands or fingers inside
pump when pump is running.
NEVER disconnect any emergency or
safety devices. These devices are intended for operator
safety. Disconnection of these devices can cause severe
injury, bodily harm or even death. Disconnection of any
of these devices will void all warranties.
CAUTION
DO NOT restrict the flow of the discharge hose as it may
cause overheating.
Be careful of discharge whipping under pressure.
NOTICE
ALWAYS place the pump in an upright position on a
platform before using. The platform will prevent the pump
frowm burrowing itself on soft sand or mud.
NEVER operate pump on its side.
DO NOT allow up to freeze in water.
NEVER leave an open pump chamber unattended.
ALWAYS keep the machine in proper running condition.
DO NOT attempt to thaw-out a frozen pump by using
a torch or other source of flame. Application of heat in
this manner may heat the oil in the seal cavity above the
critical point, causing pump damage.
DO NOT pump water greater than 104º F.
DO NOT pump liquids containing acid or alkali.
ALWAYS check strainer before pumping. Make sure
strainer is not clogged. Remove any large objects, dirt
or debris from the strainer to prevent clogging.
ALWAYS use a large basket strainer when pumping
water that contains large debris.
ALWAYS flush pump (clean) after use when pumping
water concentrated with heavy debris. It is very important
to always flush the pump before turning it off to prevent
clogging.
Fix damage to machine and replace any broken parts
immediately.
ALWAYS store equipment properly when it is not being
used. Equipment should be stored in a clean, dry location
out of the reach of children and unauthorized personnel.
NEVER lubricate components or attempt service on a
running machine.
ALWAYS allow the machine a proper amount of time to
cool before servicing.
Keep machine in proper running condition.
ELECTRICAL SAFETY
DANGER
The electrical voltage required to operate
pump can cause severe injury or even death
through physical contact with live circuits.
ALWAYS disconnect electrical power from
pump before performing maintenance on
pump.
NOTICE
ALWAYS
make certain that the voltage supplied to the
pump is correct. Always read the pump’s nameplate to
determine what the power requirements are.