
R
Pellerin
Milnor
Corporation
P
. O.
Box
400,
Kenn
er
, LA 70063-0400
Litho in U.S.A.
BMP701359/97086V
(Sheet 1 of 2)
Asco 3-way Solenoid Valves
Applicable Models
BMP701359/97086V (1 of 2)
Identification and Description
Safety Instructions
Maintainence
T
roubleshooting
Coil Replacement
V
alve Disassembly and Reassembly
Cleaning -
SHOCK HAZARD -
will cause death or severe injury
.
Lock OFF - and tag out power at wall disconnect before servicing. Power
switches on machine and control box disable only control circuit power in
electrical boxes.
EXPLOSION HAZARD- may cause serious injury
.
Release pressure to valve before disassembly
.
BURN HAZARD - Solenoid enclosures become too hot to touch when energized
for a long period. This will not damage the solenoid, but may cause a painful
burn.
Allow solenoids to cool before servicing the valves.
DANGER
CAUTION
W
ARNING
Clean
all
solenoid
valves
periodically
.I
fthe
voltage
to
coil
is
correct
,sluggish
valve
operation
usually
indicates
that
cleaning
is
required
.
READ ALL SAFETY ST
A
TEMENTS ABOVE BEFORE PROCEEDING ANY FUR
THER!
Remove
retaining
clip
.N
O
TE
:When
metal
retaining
clip
disengages
,i
tsprings
upwards
.
Slip
yok
e
containing
coil
and
sleeves
off
solenoid
base
sub-assembly
.
Replace
coil
.
Reassemble
in
reverse
order
.
Remove
retaining
clip
.
Slip
entire
solenoid
enclosure
off
the
solenoid
base
sub-assembly
.
Remove
solenoid
base
sub-assembly
,core
assembly
and
core
spring
.
Remove
diaphragm
spring
,diaphragm
assembly
and
gask
et
.
Replace
all
worn
or
damaged
parts
Listen
for
a
metallic
click
when
energizing
the
solenoid
.Absence
of
the
click
indicates
loss
of
power
to
the
solenoid
.Check
for
loose
connections
,blown
fuses
,
open
or
grounded
coil
circuit
,and
brok
en
lead
wires
.
Check
for
open
circuit
in
coil
.R
eplace
coil
if
necessar
y.
Voltage
across
coil
leads
must
be
at
least
85%
of
nameplate
rating
for
proper
operation
.
Pressure
to
valve
must
be
within
range
specified
on
nameplate
.
Disassemble
valve
and
clean
all
parts
.R
eplace
all
worn
parts
for
best
results
.
1.
2.
3.
4.
5.
6.
1.
2.
3.
4.
Contr
ol Cir
cuit:
Faulty Coil:
Low V
oltage:
Incorr
ect pr
essur
e:
Excessive leakage:
Check
nameplate
for
correct
catalog
number
,pressure
,voltage
,and
ser
vice
.
Содержание 72044 WP2
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