PAGE 6 — MQD2H/3H DIAPHRAGM PUMP • OPERATION MANUAL — REV. # 8 (07/31/20)
SAFETY INFORMATION
PUMP SAFETY
DANGER
NEVER
operate the equipment in an explosive
atmosphere or near combustible materials. An
explosion or fi re could result causing severe
bodily harm or even death.
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 fl ow of the discharge hose as it may
cause overheating.
Be careful of discharge whipping under pressure.
NOTICE
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 fl ame. 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
fl ush pump (clean) after use when pumping
water concentrated with heavy debris. It is very important
to always fl ush 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.
LIFTING SAFETY
CAUTION
When raising or lowering of the pump is required, always
attach an adequate rope or lifting device to the correct
lifting point (handle) on the pump.
NOTICE
DO NOT
lift machine to unnecessary heights.
NEVER
lift the equipment while the engine is running.
TRANSPORTING SAFETY
NOTICE
ALWAYS
shutdown pump before transporting.
ALWAYS
tie down equipment during transport by
securing the equipment with rope.
ENVIRONMENTAL SAFETY
NOTICE
Dispose of hazardous waste properly.
Examples of potentially hazardous waste
are used motor oil, fuel and fuel fi lters.
DO NOT
use food or plastic containers to dispose of
hazardous waste.
DO NOT
pour waste, oil or fuel directly onto the ground,
down a drain or into any water source.