Appendix
All
S
P Rock Valve Model
s
Startup 250:Users:Danny:Desktop:Operation manuals:line
pumps:All SP Rock Valve models:Frame files:Appendix.fm
Operation Manual -
149
s
ee eno
u
gh to
assu
re
sa
fety.
See also:
S
potter
High Voltage
For the p
u
rpo
s
e
s
of thi
s
m
a
n
ua
l,
a
ny-
thing over 120 volt
s
AC will be con
s
id-
ered high volt
a
ge. In the U.
S
.,
electric
a
lly driven concrete p
u
mp
s
nor-
m
a
lly oper
a
te the motor
s
a
t 4
8
0 volt
s
AC (high volt
a
ge)
a
nd the control
s
a
t
24 volt DC (low volt
a
ge). When de
a
ling
with electric wire
s
in re
s
identi
a
l or
ind
us
tri
a
l
a
re
as
the volt
a
ge will be
a
pprox.
8
000 volt
s
to gro
u
nd, or
13,
8
00 volt
s
from ph
as
e to ph
as
e (di
s
-
trib
u
tion volt
a
ge). When de
a
ling with
electric wire
s
th
a
t
a
re mo
u
nted on
s
teel tower
s
, high
a
bove the gro
u
nd,
the volt
a
ge will r
a
nge from 100,000 to
1,000,000 volt
s
(tr
a
n
s
mi
ss
ion volt
a
ge).
Hopper Grate
A me
s
hwork pl
a
ced over the concrete
hopper, typic
a
lly m
a
de from
s
teel b
a
r
s
.
It
s
erve
s
the f
u
nction
s
of keeping
h
u
m
a
n body p
a
rt
s
a
w
a
y from the
a
gi-
t
a
tor (when left in it
s
proper po
s
ition),
a
nd keeping l
a
rge foreign object
s
from
f
a
lling into the hopper, which co
u
ld
c
aus
e block
a
ge
s
if they were p
u
mped.
The hopper gr
a
te MU
S
T be
s
ec
u
red
into po
s
ition to be effective.
Jacking the Outrigger
s
Adj
us
tment of the o
u
trigger
s
in the ver-
tic
a
l direction. With boom mo
u
nted
concrete p
u
mp
s
yo
u
s
ho
u
ld
s
trive to
m
a
ke the
a
dj
us
tment
s
s
o th
a
t the
u
nit
s
it
s
within 3° of level.
Licen
s
ed Electrician
A
qua
lified electrici
a
n licen
s
ed by the
s
t
a
te, co
u
nty or m
u
nicip
a
lity where the
connection
s
a
re to be m
a
de. In
s
ome
loc
a
tion
s
electrici
a
n
s
a
re not re
qu
ired
to be licen
s
ed,
a
nd in the
s
e c
as
e
s
the
work
s
ho
u
ld
s
till be c
a
rried o
u
t by com-
petent profe
ss
ion
a
l
s
. Under no circ
u
m-
s
t
a
nce
s
s
ho
u
ld high volt
a
ge
connection
s
be m
a
de by
a
concrete
p
u
mp oper
a
tor or rel
a
ted per
s
onnel.
Maintenance
All proced
u
re
s
for
s
ervicing, in
s
pection
a
nd rep
a
ir of concrete p
u
mp
s
a
nd
rel
a
ted e
qu
ipment
a
nd device
s
. M
a
in-
ten
a
nce
a
nd in
s
pection
a
re method
s
of
MAINTAINING the de
s
ired
s
t
a
te of the
e
qu
ipment. Rep
a
ir i
s
the method of
RE
S
TORING the de
s
ired
s
t
a
te of the
e
qu
ipment.
Maximum Pre
ss
ure
When t
a
lking
a
bo
u
t
a
hydr
au
lic
s
y
s
-
tem, m
a
xim
u
m pre
ssu
re refer
s
to the
highe
s
t pre
ssu
re th
a
t c
a
n be
a
chieved
with the
s
etting
s
of the circ
u
it relief
v
a
lve
s
. When di
s
c
uss
ing concrete o
u
t-
p
u
t, m
a
xim
u
m pre
ssu
re refer
s
to the
pre
ssu
re th
a
t will be developed if the
hydr
au
lic
s
y
s
tem pre
ssu
re re
a
che
s
the
relief v
a
lve
s
etting. Concrete pre
ssu
re
i
s
a
lw
a
y
s
the force
a
t which the differ-
enti
a
l cylinder
s
a
re moving, divided by
the cro
ss
s
ection
a
l
a
re
a
of the con-
crete cylinder. M
a
xim
u
m concrete
pre
ssu
re, then, i
s
developed when the
differenti
a
l cylinder
s
a
re moving with
m
a
xim
u
m force, which i
s
determined
by the hydr
au
lic
s
y
s
tem relief v
a
lve
s
etting. D
u
ring norm
a
l p
u
mping, the
re
s
i
s
t
a
nce of moving the concrete
thro
u
gh the pipe or boom cre
a
te
s
the
pre
ssu
re needed by the p
u
mp,
a
nd i
s
well
u
nder the m
a
xim
u
m pre
ssu
re.
See
Also:
Concrete Pre
ssu
re
Minimum
S
afety Di
s
tance
In thi
s
m
a
n
ua
l, the term “minim
u
m
sa
fety di
s
t
a
nce
”
refer
s
to the clo
s
e
s
t
di
s
t
a
nce th
a
t yo
u
a
re
a
llowed to
a
ppro
a
ch
a
n object, electric
a
l wire
s
,
etc.
a
nd
s
till le
a
ve room for error
s
in
h
u
m
a
n j
u
dgement or m
a
chine m
a
l-
f
u
nction. With electric
a
l wire
s
u
nder
350 Kv in the U.
S
., thi
s
di
s
t
a
nce i
s
20
feet,
as
recommended by the Ameri-
c
a
n Concrete P
u
mping A
ss
oci
a
tion.
Thi
s
di
s
t
a
nce m
a
y h
a
ve other v
a
l
u
e
s
in
different co
u
ntrie
s
.
Murphy’
s
Law
An old
sa
ying th
a
t goe
s
like thi
s
: “Any-
thing th
a
t c
a
n go wrong, will go wrong,
a
nd
a
t the wor
s
t po
ss
ible moment
”
.
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Страница 8: ...Table of Contents Operation Manual All SP Rock Valve models viii revDate Home TOC TOC Print Print ...
Страница 14: ...Introduction Operation Manual All SP Rock Valve Models 12 revDate NOTES Home TOC TOC Print Print ...
Страница 70: ...Overview Operation Manual All SP Rock Valve Models 68 revDate NOTES Home TOC TOC Print Print ...
Страница 100: ...Operation Operation Manual All SP Rock Valve Models 98 revDate NOTES Home TOC TOC Print Print ...
Страница 126: ...Maintenance Operation Manual All SP Rock Valve Models 124 revDate NOTES Home TOC TOC Print Print ...
Страница 159: ...Alphabetical Index Operation Manual Line pumps ALPHABETICAL INDEX swg99a001 eps Home TOC TOC Print Print ...
Страница 164: ...Alphabetical Index Operation Manual All SP Rock Valve Models 162 revDate Home TOC TOC Print Print ...
