Gardner Denver C2500Q QUINTUPLEX Operating And Service Manual Download

Page: 11 / 46

the pump unit. Following this visual
examination, the hose assembly should be
hydrostatically tested, on test stands having
adequate guards to protect the operator, per
the

hose

manufacturer's

proof

test

procedure.

Fluid end component inspections should
be performed more frequently than every
six  months  if  pressures  above  2500  psi
are  used  in  the  discharge  system  or  if
corrosive,  abrasive,  flammable  or  hot
(over 110º F) fluids are being pumped.

Proper  stuffing  box  packing  selection  is
important for safe pump operation.  Contact
a Gardner Denver service representative for
assistance  in  selecting  the  proper  packing
before beginning operation.

Before  starting  the  pump  the  first  time,  and
periodically  thereafter  check  the  pump,
suction  and  discharge  system  fastener
torques versus the values listed on page 35
to  insure  proper  tightness.    Over  and under
torquing  can  damage  threaded  pipes,
connections  and  fasteners,  which  may  lead
to  component  damage  and/or  failure.
Replace  all  components  found  to  be
damaged or defective.  On pumps equipped
with  stuffing  boxes,  the  gland  must  be
engaged by at least three (3) threads to hold
the discharge pressure of the pump.

DANGER

Do  not  attempt  to  service,  repair  or
adjust  the  plunger  packing  or  other-
wise work on the pump while the unit
is  operating.  Shut off the pump drive
engine  and  relieve  the  fluid  pressure
in the suction and discharge systems
before  any  work  or  investigation  is
performed  on  the  pump  or  pump
systems.

Block the crankshaft from turning and make
certain that all pump drive motor or engine
start switches or starter controls are clearly

tagged with warnings not to start the pump
while repair work is in process.
Whenever

the

pump

operating,

continually  monitor  the  entire  suction,
discharge  and  pump lubricating systems for
leaks.  Thoroughly investigate the cause for
leakage  and  do  not  operate  the  pump  until
the  cause  of  the  leak  has  been  corrected.
Replace  any  parts  that  are  found  to  be
damaged,  or  defective.    When  a  gasketed
joint is disassembled for any reason, discard
the  used  gasket  and  replace  it  with  a  new,
genuine  Gardner  Denver  gasket  before
reassembling the joint.

Due to the high working pressures contained
by  the  fluid  end,  discharge  manifold  and
discharge

piping,

welding

these

components  is  not  recommended.    If
welding  on  the  discharge  system  cannot  be
avoided, only experienced, qualified welders
should be used.  In addition, the welded part
should  be hydrostatically proof tested in the
shop with water or hydraulic fluid to one and
one  half  times  maximum  discharge  system
working  pressure,  with  no  observable  fluid
leakage,  before the part is reinstalled in the
pump system.

In summary, high pressure fluid streams can
possess  sufficient  energy to cause personal
injury,  death  and/or  equipment  damage.
These  results  can  occur  either  through
direct  contact  with  the  fluid  stream  or  by
contact  with  loose  objects  the  fluid  stream
has  propelled,  if  the  pump  system  is
improperly  used,  or  if  the  fluid  is
misdirected,  or  allowed  to  escape  from
defective