cashco 5381 Installatie-, bedienings- en onderhoudshandleiding - Pagina 3
Blader online of download pdf Installatie-, bedienings- en onderhoudshandleiding voor {categorie_naam} cashco 5381. cashco 5381 9 pagina's. Pressure reducing sanitary regulator
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VI. MAINTENANCE
SYSTEM UN DER PRES SURE. Prior to performing
any maintenance, isolate the reg u la tor from the
system and relieve all pres sure. Failure to do so
could result in personal injury.
A. General:
1. Maintenance procedures here in af ter are
based upon removal of the reg u la tor unit
from the pipeline where installed.
2. Owner should refer to owner's pro ce dures
for re mov al, handling, cleaning and
disposal of nonreusable parts, i.e.
gas kets, etc.
3. Refer to Figure 2 for basic regulator, item
number reference ( ).
B. Diaphragm Replacement:
To prevent damage to body, use lead jaws when
clamping body in a vise. Position body so that vise
does not close over inlet and outlet connections.
1. Securely install the body (1) in a vise with
the spring chamber (2) oriented up wards.
SPRING UNDER COMPRESSION. Prior to re mov ing
spring chamber, relieve spring com pres sion by
back ing out the adjusting knob. Failure to do so
may result in flying parts that could cause personal
injury.
2. Relax range spring (17) by turning
adjusting knob (30) CCW until re moved
from spring cham ber (2).
3. Loosen spring chamber (2) by placing
wrench on "flats" and rotating CCW
mak ing sure not to use the flat where the
vent hole is located.
4. Remove spring chamber (2), range spring
(17) and spring button (5).
IOM-5381
SECTION VI
WARNING
CAUTION
WARNING
5. Remove the diaphragm subassembly
con sist ing of the pressure plate nut
(10), lock wash er (9), pres sure plate (3),
di a phragm (13), push er plate O-ring (15)
and pusher plate (4). NOTE: Refer to the
quan tity of dia phragms (13) in cor po rated
per the bill of ma te ri als listing. De pend ing
on outlet pres sure level, multiple metal
diaph ragms may be "stacked".
9
13
15
Figure 1: Diaphragm Sub as sem bly
6. Loosen pressure plate nut (10) and
sep a rate all parts (3, 4, 9, 13 & 15) of the
diaphragm sub as sem bly.
7. Inspect pressure plate (3) to assure no
de for ma tion due to over-pressurization.
If de formed, re place.
8. Remove di a phragm gasket (14). (If a
composition di a phragm is used there is
no di a phragm gasket (14).
9. Clean inside body surfaces in ac cor dance
with Owner's cleaning pro ce dures. Do
not scratch di a phragm O-ring seating
surface
NOTE: Maintenance must
in clude a level of clean li ness equal to
Cash co clean ing stan dard #S-1576.
Con tact fac to ry for details.
10. Reassemble diaphragm subassembly
by plac ing push er plate O-ring (15),
diaphragm(s) (13), pressure plate (3)
and lock washer (9) over the threaded
post of pusher plate (4).
pres sure plate (3) is placed with curved
outer rim down next to the di a phragm (13)
surface. Tighten pusher plate nut (4) to
the fol low ing torque values:
Sizes
Diaphragm
Metal
ALL
Composition
11. For metal diaphragm(s) (13), place
dia phragm gas ket (14) into body
re cess (none re quired for com po si tion
di a phragm). Set di a phragm sub as sem bly
into the body.
10
3
4
As sure the
Torque Value
60 in/lbs.
(6.8 Nm)
15 in/lbs.
(1.7 Nm)
3