TECHNICAL SERVICE MANUAL
VIKING PUMP HOUDAILLE
INSTALLATION, START UP, TROUBLE-SHOOTING,
ONE OF THE HOUDILLE PUMP GROUP
PREVENTATIVE MAINTENANCE, DO'S & DON'TS
14. The auxiliary piping hooked to jackets, glands,
etc. for heating, cooling, quenching, or for other
purposes should receive the same attention as
the piping handling the liquid pumped.
15. Provide a pressure relief device in any part of a
pump and piping system that can be valved off
and, thus, completely isolated. This is
1. When handling a cold liquid such as
refrigeration ammonia that can warm up to
ambient temperatures when the pump Is
shut off or
2. When handling a liquid such as asphalt or
molasses that has to be heated before it
can be pumped.
The rise in temperature causes the liquid to expand;
if there is no provision for pressure relief in the closed
off section, there is a chance that the pump or piping will
Before pushing the "start" button, check the
1. Are there vacuum and pressure gauges on or
near the pump? These gauges are the quickest
and most accurate way of finding out what is
happening in the pump.
"Installation Alignment" in this manual.
3. Check piping to be sure there is no strain on the
4. Rotate the pump shaft by hand to be sure it turns
5. Jog motor to be sure it is turning in the right
direction; see discussion on pump rotation under
"Installation General" item 4 in this manual.
6. Check any safety relief valve to be sure it is
installed correctly. See discussion on safety
relief valve under "Installation General".
7. Check suction piping to be sure (a) it is all
connected and tight, (b) valves are open, and
(c) end of pipe is below liquid level.
8. Check discharge piping to be sure (a) it is
connected and tight, (b) valves are open, and
(c) there is a place for the liquid to go.
9. Lubricate any grease fitting on the pump using a
good, general purpose #2 ball bearing grease.
Check any gear reducer, motor, coupling, etc.
for instructions and lubricate as recommended.
10. For packed pumps, loosen packing gland nuts
so gland can be moved slightly by hand. Adjust
gland to reduce leakage only after pump has run
long enough to reach constant temperature.
Packing should weep a little to keep it cool and
11. Do not use the Viking pump to flush, pressure
test or prove the system with water. Either
remove the pump or run piping around it while
flushing or testing. Pumping water, dirty or
otherwise, can do more damage in a few
minutes than months of normal service.
12. Check to be sure all guards are in place.
13. Now you are ready to push the "start" button
If the pump begins to deliver liquid within 60
seconds, you're in business. If it does not, push the
"stop" button. Do not run the pump longer than one
minute without liquid in it; you will ruin it. Review the
steps just outlined, consider what the suction and
discharge gauges indicate, see page 6 , if everything
appears to be in order, put some liquid in the pump, a
lubricating liquid is best This will help it prime.
Push the "start" button again. If nothing is flowing
within two minutes, stop the pump. The pump is not a
compressor, it will not build up much air pressure; it may
be necessary to vent the discharge line until liquid
begins to flow.
If the pump still does not deliver, the cause may be
one or more of the following.
1. Suction line air leaks; vacuum gauge reading
should help determine if this Is the problem.
2. End of suction pipe not submerged deep enough
3. Suction lift is too great or the suction piping is too
4. Liquid is vaporizing in the suction line before it
gets to the pump.
If after consideration of these points it still does not
pump, suggest you review again all points given under
START UP; read through Trouble-Shooting in this
manual and try again. If it still does not pump, contact
your Viking representative.
A Viking pump which is properly installed and
maintained will give long and satisfactory performance.
*NOTE: Before making any pump adjustment or
opening the pump liquid chamber in any manner, make
1) any pressure in the pumping chamber has been
vented through the suction or discharge lines or other
openings provided for this purpose, 2) the driver has
been "locked out" so that it cannot inadvertently be
started while work is being done on the pump and 3) the
pump has been allowed to cool down to the point where
there is no chance of anyone being burned.
If trouble does develop, one of the first steps toward
finding the difficulty is to install a vacuum gauge in the
suction port and a pressure gauge in the discharge port.
Readings on these gauges often will give a clue as to
Viking Pump Division, Houdaille Industries, Inc. Cedar Falls, Iowa 50613 U.S.A.