Operation
Operation Manual - All
S
P Rock Valve Model
s
78
revD
a
te
•
If the light does not come on when the key is
turned one click clockwise, the engine may not
charge the battery. The first step should to be to
check the LED. If it is bad, be sure to replace
it. The second step would be to check the
connection and receptacle internally and
externally. Look for green evidence of
corrosion.
•
Remember that the only time the LED is
illuminated is when engine is off with the key
switch on. If the light does not go out after the
engine starts the alternator has a fault.
•
If corrosion exists, the receptacle should be
replaced. When the circuit is not able to be
completed properly as a result of corrosion the
alternator is not receiving a signal and the
engine may not charge the battery when
started.
•
If an oversized light bulb is used during
replacement, the alternator may overcharge the
battery causing premature battery failure.
Before the fir
s
t truck back
s
up to your
hopper
If you have completed setup before the first ready mix
truck is due to arrive on the job (a highly recommended
practice), this is a good time to get some things ready
for the day.
•
Find out who will be giving you signals
throughout the day. There must be only one
person that gives you signals, so as to avoid
conflicts in instructions. Talk to the person
about the signals that you will use, and come to
an agreement before you start pumping. The
American Concrete Pumping Association has
standardized hand signals for concrete
pumping that are shown on decals on the unit.
This decal is also shown in the Appendix
section of the Safety Manual, which is
included as one chapter of this Operation
Manual. In many cases, the job site
management will give you a walkie-talkie that
is on their own frequency so that you may
speak directly to your signal man. Be aware
that in some cases, this walkie-talkie may
cause interference with the Schwing radio
remote control system. Check it out before the
pour begins.
•
Talk to the foreman of the placing crew. Be
sure that the crew is aware of the safety rules
for the placing crew as described in the Safety
Manual. If they are not familiar with the rules,
show them the rules that apply to them from
the quick index that was supplied with your
unit. Make sure they understand about not
kinking the tip hose.
•
Go over the safety rules with any oilers or
laborers that have been assigned to work with
you at the pump. Show them the emergency
stop switches. If they will be backing ready-
mix trucks to your hopper, explain about the
danger of putting themselves between the
pump and the ready-mix truck.
•
Position your remote box and cable in a place
that you won’t trip over the cable, but you will
be able to move around at will once the pour
begins. It is critical to be able to see the point
of discharge once the pour begins. If this is not
possible, arrange for a spotter NOW.
•
Get your breathing mask ready for mixing the
slurry. Have all of your personal protective
devices on or nearby.
•
Fill your waterbox with water, if it is not
already full (Figure 24).
NOTE!
T
HE
PUMP
MUST
BE
SHUT
O
FF
ANYTIME
YOU
R
EMOVE
THE
W
ATE
R
BOX
COVE
R
O
R
G
R
ATE
. Sec
u
re the controls so th
a
t no one
c
a
n t
u
rn it on witho
u
t yo
u
r knowle
dg
e.
Figure 24
Be
s
ure the waterbox i
s
full of water
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