Ceco Dean Pump M300, Инструкция по установке, эксплуатации и обслуживанию

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Any loose metal attracted to the magnets must be completely
removed before re-assembly; therefore, attempt to keep the
surfaces as clean as possible.
f) Continue disassembly on a clean, wooden (nonferrous)
surface.
g) Use an Allen wrench to remove the eight socket head
cap screws (149B) which retain the clamp ring (149) to
the casing cover (22). Remove the clamp ring (149), the
containment shell (150) and the containment shell gasket
(77G). The clamp ring dowel pin (149A) may also be
removed if so desired.
h) Remove the impeller nut (12), the impeller washer (12A)
and handle from the pump shaft (29), or remove the
optional eye bolt.
i) Slide the inner magnet assembly (175), pump shaft
(29), rear thrust collar (210), bearing spacer (17), and
journal sleeves (200) from the casing cover (22) and
bearing bushings (182).
j) Press the pump shaft (29) with the sleeves (200) and bear-
ing spacer (17) from the inner magnet assembly (175) and
remove the rear thrust collar (210) from the inner magnet
assembly (175).
k) Store the inner magnet assembly (175) in a ziplock
plastic bag, or some similar container, as soon as
possible to reduce the amount of material which might
be attracted by the magnetic field. Any such material is
difficult to remove.
1) Remove the inner rotor key (171A) from the pump shaft (29).
m) Pull the journal sleeves (200) and the bearing spacer
(17) from the pump shaft (29). The journal sleeves (200)
may be tight on the pump shaft (29) and require sub-
stantial pull. If the journal sleeves (200) do not need to
be replaced, do not remove them. If they do need to be
replaced, and you cannot pull them off, you can fracture
them by placing them in a vice and closing it.
CAUTION: This operation will fling sharp particles.
Wear face shield, gloves, and a long sleeved shirt
during this operation and be careful to not squeeze
on the bearing spacer (17). Remove and discard the
sleeve gaskets (77H).
n) Remove the four tolerance rings (200B) from the pump
shaft (29) and discard them.
o)
CAUTION:
Strong magnetic field - steel wrenches will be
attracted. A protective pad will make the job easier. Coil a
piece of 1/8" thick rubber gasket sheet - cut 3-1/2" by 14"
for Frames I & II or 4" by 17" for Frame III - into a cylinder
and insert it into the bore of the magnets in the outer magnet
assembly (167) to protect the face of the magnets.
p) Remove the four outboard bearing cover cap screws
and pull the outboard bearing cover (28) off the end of
the drive shaft (29A).
Bend the tab of the bearing lock washer (31A) out of
the slot in the bearing lock nut (31) and loosen the
bearing lock nut (31) about a half turn while holding
the drive shaft (29A) against rotation with a hook
spanner in the keyway of the drive shaft (29A).
q) Remove the snap ring from the outer race of the out-
board bearing (25A). Do not remove the bearing lock
nut (31). Push the outer magnet assembly (167), drive
shaft (29A), inboard bearing (25) and outboard bearing
(25A), as a unit, from the frame (26). If the pump was sup-
plied with an optional “Secondary Containment Seal”, it
will also come out of the frame with the above unit.
r) Remove the bearing lock nut (31) and bearing lock
washer (31A) and press the drive shaft (29A) through
the outboard bearing (25A) and the outer magnet
assembly (167).
CAUTION:
Do not strike the magnets
with the drive shaft (29A) as you are removing it, the
magnetic field will attract the shaft. The rubber gasket
sheet (described in paragraph o) inserted into the bore
of the magnets before removing the rotor shaft will help
to protect the magnets’ inner diameter. Also, support the
end of the outer magnet assembly (167) on a sheet of
gasket material when performing this operation to
protect the face of the assembly.
s) If the pump has the optional “Secondary Containment
Seal”, pull the gland (13), mechanical seal (95) and lip
seal (76) as an assembly from the outer magnet assembly
(167). Remove the lip seal (76), mechanical seal (95)
and O-rings (324 and 325) from the gland (13).
Remove drive shaft O-ring (77L) from the outer magnet
assembly (167). Remove the frame gasket (77K) from the
casing cover (22).
t) Press the inboard bearing (25) from the outer magnet
assembly (167). Store the outer magnet assembly (167)
in a zip-lock plastic bag, or some similar container, as
soon as possible to reduce the amount of material which
might be attracted by the magnetic field. Any such
material is difficult to remove.
u) Remove the four cap screws (180A) which retain the bearing
cartridge (180) to the casing cover (22). Slide the bearing
cartridge (180) from the casing cover (22). The flange of the
bearing cartridge (180) is tapped to accept two jackscrews
to facilitate disassembly if necessary.
v) Remove the casing cover ring assembly (195) by prying it
from the casing cover (22). Remove only if it is to be
replaced. The inner component is made of carbon and will
most likely be broken during removal.
CAUTION: Wear
face shield, gloves, and a long sleeved shirt during this
disassembly as the carbon ring is under compression and
may fly apart.
w) If the pump has a removable frame foot (9), it can be
removed from the frame (26) if so desired.
x) Clean all of the parts thoroughly and inspect them for wear
and/or damage. Make certain that all ports, lubrication
grooves, and flow passages are completely clean and free
of any debris. Replace parts as required. We recommend
that you always replace all gaskets, lip seals, O-rings, bear-
ings and tolerance rings whenever the pump is disassembled.
Store the magnetic parts (167 & 175) in an area free from
loose ferrous articles and particles.
S
TANDARD
M
ATERIALS OF
C
ONSTRUCTION
Part # Part Name Class 22 Class 50 Class 60
3 Impeller Cast Iron (1) 316 S/S (2) Alloy 20 (3)
4 Impeller Key 316 S/S (15) 316 S/S (15) Alloy 20
5 Casing Ductile Iron (4) 316 S/S (2) Alloy 20 (3)
5A Casing Drain Plug Steel 316 S/S (15) Alloy 20
9 ❍ Frame Foot Cast Iron (5) Cast Iron (5) Cast Iron (5)
9F Frame Foot Jack Bolt Steel Steel Steel
9G Frame Foot Jack Bolt Nut Steel Steel Steel
12 Impeller Nut 316 S/S (15) 316 S/S (15) Alloy 20
12A Impeller Washer 316 S/S (15) 316 S/S (15) Alloy 20
12B Impeller Spring Washer 316 S/S (15) 316 S/S (15) Hastelloy C
12D Locking Set Screw Steel 316S/S (15) Hastelloy C
13
▲
Gland 316 S/S (15) 316 S/S (15) 316 S/S (15)
17 Bearing Spacer 316 S/S (15) 316 S/S (15) Alloy 20
22 Casing Cover Ductile Iron (4) 316 S/S (2) Alloy 20 (3)
25 Inboard Bearing Steel Steel Steel
25A Outboard Bearing Steel Steel Steel
26 Frame Ductile Iron (4) Ductile Iron (4) Ductile Iron (4)
28 Outboard Bearing Cover Cast Iron (5) Cast Iron (5) Cast Iron (5)
29 Pump Shaft 316 S/S (6) 316 S/S (6) Alloy 20 (7)
29A Drive Shaft Steel (8) Steel (8) Steel (8)
31 Bearing Lock Nut Steel Steel Steel
31A Bearing Lock Nut Washer Steel Steel Steel
76
▲
Lip Seal Viton (10) Viton (10) Viton (10)
77 Casing Gasket Teflon (16) Teflon (16) Teflon (16)
77G Containment Shell Gasket Viton (10) Viton (10)
77H Sleeve Gasket Aramid Fiber Teflon (16) Teflon (16)
77L ▲ Drive Shaft O-ring Viton (10) Viton (10) Viton (10)
95 ▲ Mechanical Seal Carbon/416ss Carbon/416ss Carbon/416ss
149 Clamp Ring 316 S/S (15) 316 S/S (15) 316 S/S (15)
149A Clamp Ring Dowel Steel Steel Steel
149B Clamp Ring Screw Steel Steel Steel
150 Containment Shell Hastelloy C (9) Hastelloy C (9) Hastelloy C (9)
163A Outer Rotor Key Steel Steel Steel
167 Outer Magnet Assembly Sam. Cobalt (11) Sam. Cobalt (11) Sam. Cobalt (11)
171A Inner Rotor Key 316 S/S (15) 316 S/S (15) Alloy 20
175 Inner Magnet Assembly Sam. Cobalt (12) Sam. Cobalt (12) Sam. Cobalt (13)
180 Bearing Cartridge
181 Bearing Housing Steel 316 S/S Alloy 20
182 Bearing Bushing Silicon Carbide Silicon Carbide Silicon Carbide
182A Bearing Dowel 316 S/S 316 S/S Alloy 20
180A Bearing Housing Screw 316 S/S 316 S/S Alloy 20
190 Casing Ring Assembly Carbon/316 S/S Carbon/316 S/S Carbon/Alloy 20
195 Casing Cover Ring Assembly Carbon/316 S/S Carbon/316 S/S Carbon/Alloy 20
200 Journal Sleeve Silicon Carbide Silicon Carbide Silicon Carbide
200B Tolerance Ring Hastelloy-C (9) Hastelloy-C (9) Hastelloy-C (9)
210 Thrust Collar Silicon Carbide Silicon Carbide Silicon Carbide
210A Thrust Collar Dowel 316 S/S (15) 316 S/S (15) Alloy 20
324 ▲ Gland 0-ring Viton (10) Viton (10) Viton (10)
325 ▲ Gland 0-ring Viton (10) Viton (10) Viton (10)
❍ Frame I has foot cast integral with frame
▲ Optional parts for secondary containment seal
1) ASTM A-278 Class 35
2) ASTM A-744 Grade CF8M
3) ASTM A-744 Grade CN-7M
4) ASTM A-395 Grade 60/40/18
5) ASTM A-48 Class 20
6) ASTM A-276 Grade 316
7) ASTM B-473 Grade-87
8) Alloy Steel 125TS, 100YP
9) ASTM B-575, C-276
10) Viton-Reg. Trademark of E.I. DuPont
deNemours & Co.
11) Samarium Cobalt magnets in steel assembly
12) Sam. Cobalt magnets in 316 S/S assembly
13) Sam. Cobalt magnets in Alloy 20 assembly
14) Buna “N” Rubber
15) AISI - 316 S/S
16) Teflon - Reg. Trademark of E.I. Dupont
deNemours & Co.
Teflon Encased Viton
(10 & 16)
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