Operation
Operation Manual -
All SP Rock Valve Models70
revDate
Operation
Preparation
Before you pump the first job with this machine, you
must know what you are doing. If you have never
pumped concrete before, become familiar with this
entire manual, the safety rules for pumping concrete as
described in the Schwing Safety Manual (included as
Section 3 of this manual), the features of the machine,
and the procedures for pumping concrete. It would be a
very good idea to set up the machine in a safe location
and practice with the pump controls before you ever
put concrete in the machine. Once you are on a job site
with the machine, you will have the safety of many
other people in your hands and it will be inappropriate
and unsafe to make mistakes. Only experience in
running the unit will give you the confidence and fine
control that your coworkers expect and deserve.
If you are an experienced pump operator already, read
this manual cover to cover anyway, to be sure you
understand the particulars of your new machine. Set up
the unit for a trial run before you take it to a job. You
will not regret knowing the location of the controls and
devices.
This manual will discuss specific setup, cleanout,
maintenance, and operation techniques ONLY as they
relate to this particular machine. It is not the intention
of this manual to teach you how to be an expert
concrete pump operator. For that, you will need the
information from this manual, plus information from
several other sources (listed under the heading of
“Additional Reading Material” in the Appendix section
of this manual, starting on page 7-40) and extensive on
the job experience.
Arrive to work on time, with a clear head.
A professional pump operator knows that the day will
go better if you have time to do the pre-checks outlined
in the following paragraphs. If you skip them because
you are late for work, you are setting yourself up for at
least a bad day, and perhaps an accident. Wandering
around the shop in a stupor because of a hangover or
lack of sleep is no better than showing up late. Either
way, you will not be certain that the machine is in tip
top shape and all necessary equipment and accessories
are present and in good working order until it’s too late
to do anything about it.
Have the right machine for the job.
Concrete pumps are limited in what jobs they can do.
Be sure you have the appropriate pump for your
particular job. Schwing’s Sales and Service
Department can assist you with pump application
questions.
Have the equipment that you will need for
the job.
Will you need extra pipe sections to make the pour?
Use the following checklist for pipeline needs:
• Pipe sections
• Adapter pipes, if all pipe ends are not identical
(see the pipe end comparison in the Appendix
section of this manual, beginning on page
7-32).
• End hoses
• Reducers
• Clamps for all pipe end styles and sizes
• Clamp Pins
Have all pipe and pipe accessories inspected for
condition, loaded, and secured for travel before moving
the unit. Keep in mind the pressure rating of your unit
when you inspect the condition of pipe accessories -
see the chart regarding pipewall thickness versus
pressure in the Appendix section of this manual,
beginning on page 7-33.
You will also need normal everyday pumping
accessories. Use the following list as a minimum for
normal pumping requirements:
• Shovel
• Barrel for mixing slurry, if required. It is
recommended that the barrel remain with the
unit if you ever use it, even if you don’t need it
for today’s job.
• Pipeline lubrication mixes, enough for the
day’s job. Either commercial lubricating
powder or portland cement for mixing slurry.
NOTE! This is not always required, in some
cases slurry will be delivered to you, in other
cases the portland cement will be supplied at
the job site. In all cases, you must know how
your lubrication will be accomplished before
you leave the yard.
• Grease gun and grease tubes
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