PM15X-X-X-A02
OPERATOR’S MANUAL
INCLUDING: OPERATION, INSTALLATION & MAINTENANCE
RELEASED:
REVISED:
(REV. 09)
1-7-04
5-12-10
1-1/2” DIAPHRAGM PUMP
1:1 RATIO (METALLIC)
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,
OPERATING OR SERVICING THIS EQUIPMENT.
It is the responsibility of the employer to place this information in the hands of the operator. Keep for future reference.
SERVICE KITS
Refer to Model Description Chart to match the pump material options.
637389 for air section repair (see page 6).
637375-XXforfluidsectionrepair(seepage4).NOTE:Thiskitalsocon-
tains several air motor seals which will need to be replaced.
637390-X major air valve assembly (see page 7).
PUMP DATA
Models . . . . . . . . . . . . . see Model Description Chart for “-XXX”.
Pump Type . . . . . . . . . . MetallicAirOperatedDoubleDiaphragm
Material . . . . . . . . . . . . . see Model Description Chart.
Weight . . . PM15A-CSS-XXX-A02 . . . 62.40 lbs (28.30 kgs)
PM15R-CSS-XXX-A02 . . . 60.26 lbs (27.33 kgs)
PM15S-CSS-XXX-A02 . . . 78.40 lbs (35.56 kgs)
Figure 1
Maximum Air Inlet Pressure . . . . . . . . . 120 p.s.i.g. (8.3 bar)
Maximum Material Inlet Pressure . . . . . 10 p.s.i.g. (0.69 bar)
Maximum Outlet Pressure . . . . . . . . . . 120 p.s.i.g. (8.3 bar)
Maximum Flow Rate (flooded inlet) . . . . 123 g.p.m. (465.6 l.p.m.)
MODEL DESCRIPTION CHART
PM15 X - C S S - X X X - A02
Displacement / Cycle @ 100 p.s.i.g. . . . 0.617 gal. (2.34 lit.)
Maximum Particle Size . . . . . . . . . . . . 1/4” dia. (6.4 mm)
Maximum Temperature Limits (diaphragm / ball / seal material)
E.P.R. / EPDM . . . . . . . . . . . -60_to280_F (-51_to 138_C)
Polypropylene . . . . . . . . . . . 35_ to 175_ F (2_ to 79_ C)
SantopreneR . . . . . . . . . . . -40_to225_F (-40_to 107_C)
PTFE . . . . . . . . . . . . . . . . . 40_ to 225_ F (4_ to 107_ C)
Dimensional Data . . . . . . . . . . . . . . . . see page 8
Center Section Material
A - Aluminum
R - Polypropylene
S - Stainless Steel
Fluid Connection
C - Tri-clamp
Fluid Caps & Manifold Material
Mounting Dimension . . . . . . . . 9”x11.75”(228.6mmx298.5mm)
Noise Level @ 70 p.s.i., 60 c.p.m. . . . . . 85.0 db(A){
S - Stainless Steel
Hardware Material
S - Stainless Steel
The pump sound pressure levels published here have been updated to an Equivalent
Continuous Sound Level (L ) to meet the intent of ANSI S1.13-1971, CAGI-PNEU-
Aeq
Seat Material
ROP S5.1 using four microphone locations.
A - Santoprene
S - 316 Stainless Steel
NOTICE: All possible options are shown in the chart, however, certain
combinations may not be recommended, consult a representative or the
factory if you have questions concerning availability.
Ball Material
A - Santoprene
T - PTFE
Diaphragm Material
A - Santoprene
M - Medical Grade Santoprene
T - PTFE / Santoprene
FLUID SECTION SERVICE KIT SELECTION
PM15X - CSS - X X X - A02
637375 - X X
EXAMPLE: Model # PM15S-CSS-SAA-A02
Fluid Section Service Kit # 637375-AA
Ball
Diaphragm
INGERSOLL RAND COMPANY LTD
209 NORTH MAIN STREET -- BRYAN, OHIO 43506
(800) 495-0276 D FAX (800) 892-6276
E2010
CCN 15206188
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GENERAL DESCRIPTION
OPERATING INSTRUCTIONS
The ARO diaphragm pump offers high volume delivery even at low air
pressure and a broad range of material compatibility options available.
Refer to the model and option chart. ARO pumps feature stall resistant
design, modular air motor / fluid sections.
Air operated double diaphragm pumps utilize a pressure differential in
theairchamberstoalternatelycreatesuctionandpositivefluidpressure
in the fluid chambers, ball checks insure a positive flow of fluid.
Pump cycling will begin as air pressure is applied and it will continue to
pump and keep up with the demand. It will build and maintain line pres-
sure and will stop cycling once maximum line pressure is reached (dis-
pensing device closed) and will resume pumping as needed.
S Always flush the pump with a solvent compatible with the material
being pumped ifthe materialbeingpumpedissubjectto“settingup”
when not in use for a period of time.
S Disconnecttheairsupplyfromthepumpifitistobeinactiveforafew
hours.
PARTS AND SERVICE KITS
Refertothepartviewsanddescriptionsasprovidedonpage4through7
for parts identification and Service Kit information.
S Certain ARO “Smart Parts” are indicated which should be available
for fast repair and reduction of down time.
S Service kits are divided to service two separate diaphragm pump
functions: 1. AIR SECTION, 2. FLUID SECTION. The FLUID SEC-
TION is divided further to match typical part MATERIAL OPTIONS.
AIR AND LUBE REQUIREMENTS
WARNING EXCESSIVE AIR PRESSURE. Can cause pump
damage, personal injury or property damage.
S Afiltercapableoffilteringoutparticleslargerthan50micronsshould
beusedontheairsupply. Thereisnolubricationrequiredotherthan
the “O” ring lubricant which is applied during assembly or repair.
S Iflubricatedairispresent,makesurethatitiscompatiblewiththe“O”
rings and seals in the air motor section of the pump.
MAINTENANCE
S Provide a clean work surface to protect sensitive internal moving
partsfromcontaminationfromdirtandforeignmatter duringservice
disassembly and reassembly.
S Keep good records of service activity and include pump in preven-
tive maintenance program.
S Before disassembling, empty captured material in the outlet man-
ifold by turning the pump upside down to drain material from the
pump.
INSTALLATION
S Verify correct model / configuration prior to installation.
S Retorque all external fasteners per specifications prior to start up.
S Pumpsaretestedinwateratassembly. Flushpumpwithcompatible
fluid prior to installation.
FLUID SECTION DISASSEMBLY
S When the diaphragm pump is used in a forced-feed (flooded inlet)
situation, it is recommended that a “Check Valve” be installed at the
air inlet.
1. Remove (60) inlet manifold and (61) outlet manifold.
2. Remove (22) balls, (19) “O” rings (if applicable) and (21) seats.
3. Remove (15) fluid caps.
NOTE: Only PTFE diaphragm models use a primary diaphragm (7) and
a backup diaphragm (8). Refer to the auxiliary view in the Fluid Section
illustration.
4. Remove the (14) screw, (6) diaphragm washer, (7) or (7 / 8) dia-
phragms and (5) backup washer.
NOTE: Do not scratch or mar the surface of (1) diaphragm rod.
S Material supply tubing should be at least the same diameter as the
pump inlet manifold connection.
S Material supply hose must be reinforced, non-collapsible type com-
patible with the material being pumped.
S Piping must be adequately supported. Do not use the pump to sup-
port the piping.
S Use flexible connections (such as hose) at the suction and dis-
charge. These connections should not be rigid piped and must be
compatible with the material being pumped.
FLUID SECTION REASSEMBLY
S Secure the diaphragm pump legs to a suitable surface (level and
flat) to insure against damage by vibration.
S Reassemble in reverse order. Refer to the torque requirements on
page 5.
S Clean and inspect all parts. Replace worn or damaged parts with
new parts as required.
S Pumpsthatneed to be submersed must havebothwetandnon-wet
components compatible with the material being pumped.
S Submersed pumps must have exhaust pipe above liquid level. Ex-
haust hose must be conductive and grounded.
S Lubricate (1) diaphragm rod and (144) “U” cup with LubriplateR
FML-2 grease (94276 grease packet is included in service kit).
S FormodelswithPTFEdiaphragms:Item(8)Santoprenediaphragm
is installed with the side marked “AIR SIDE” towards the pump cen-
ter body. Install the PTFE diaphragm (7) with the side marked
“FLUID SIDE” towards the (15) fluid cap.
S Flooded suction inlet pressure must not exceed 10 p.s.i.g. (0.69
bar).
S Re-check torque settings after pump has been re-started and run a
while.
S LoctiteR is a registered trademark of Henkel Loctite Corporation S
S SantopreneR is a registered trademark of Monsanto Company, licensed to Advanced Elastomer Systems, L.P., S LubriplateR is a registered trademark of Lubriplate Division (Fiske Brothers) S
PM15X-X-X-A02
Page 3 of 8
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PARTS LIST / PM15X-X-X-A02 FLUID SECTION
L 637375-XX FLUID SECTION SERVICE KITS INCLUDE: BALLS (see Ball Option, refer to -XX in Service Kit chart below), DIAPHRAGMS (see Diaphragm
Option, refer to -XX in Service Kit chart below), and items 19, 70, 144, 175 and 180 (listed below) plus 174 and 94276 Lubriplate FML-2 grease (page 6).
SEAT OPTIONS
PM15X-CSS-XXX-A02
“21”
BALL OPTIONS
PM15X-CSS-XXX-A02
L “22” (2” dia.)
-XXX Seat
Qty [Mtl]
(4) [SP]
(4) [SS]
-XXX Ball
Qty [Mtl]
(4) [SP]
-AXX 95825-A
-SXX 95877
-XAX 95826-A
-XTX 95826-4
(4)
[T]
DIAPHRAGM OPTIONS PM15X-CSS-XXX-A02
L Service Kit
-XX = (Ball)
-XXX -XX = (Diaphragm) Diaphragm Qty [Mtl] Diaphragm Qty [Mtl] Gasket
L “7”
L “8”
L “19” (1/8” x 3-1/8” o.d.)
MATERIAL CODE
[A] = Aluminum
[B] = Nitrile
[C] = Carbon Steel
[Co] = Copper
[E] = E.P.R.
[P] = Polypropylene
[SP] = Santoprene
[SPM]=MedicalGradeSantoprene
[SS] = Stainless Steel
[T] = PTFE
Qty [Mtl]
-XXA 637375-XA
-XXM 637375-XM
-XXT 637375-XT
96166-A
96166-M
96165-T
(2)
(2) [SPM] - - - - -
(2) [T] 96164-A
[SP] - - - - -
- - -
- - -
- - - 95992
(4)
(4)
(4)
[E]
[T]
[T]
- - - Y328-233
(2) [SP] Y328-233
NOTE: Gasket item 19 is not required with seat option -AXX.
CENTER SECTION OPTIONS PM15X-CSS-XXX-A02
Aluminum
Polypropylene
Stainless Steel
PM15S-X-X-A02
PM15A-X-X-A02
PM15R-X-X-A02
Item
Description (size)
Qty Part No.
[Mtl] Part No.
[Mtl] Part No.
[Mtl]
- - -
28 Washer (0.406” i.d. x 1” o.d. x 0.093”)
43 Ground Lug (see page 7)
68 Air Cap
(4) - - - - -
(1) 93004
(1) 95822-1
(1) 95822-2
(4) 95934
(4) - - - - -
(4) 94098
(8) - - - - -
(4) 93010
- - - 93360-1
[Co] - - - - -
[A] 95971-1
[A] 95971-2
[C] - - - - -
- - - 96056
[Co] - - - - -
- - - 96291
[SS] 94992
[SS] - - - - -
- - - 93004
[P] 95889-1
[P] 95889-2
- - - 95934
[SS] - - - - -
- - - 94098
[B] - - - - -
[SS] 93010
[Co]
[SS]
[SS]
[C]
69 Air Cap
131 Screw (M10 x 1.5 - 6g x 100 mm)
(M10 x 1.5 - 6g x 110 mm)
- - -
n 180 Washer
[Co]
- - -
L n “O” Ring (3 mm x 15 mm o.d.)
195 Nut (M10 x 1.5 - 6h)
[SS]
EXTERNAL HARDWARE OPTIONS PM15X-CSS-XXX-A02
PM15R-CSS- PM15A-CSS-
PM15S-CSS-
Item
Description (size)
Qty Part No.
Mtl Part No.
[SS] 95884
- - - 95896
[SS] - - - - -
[SS] 95879
Mtl
[SS]
[SS]
- - -
26 Screw (M10 x 1.5 - 6g x 30 mm)
27 Bolt (M8 x 1.25 - 6g x 40 mm)
(M8 x 1.25 - 6g x 50 mm)
(8) 95884
(20) - - - - -
(20) 96163
(20) 95879
29 Hex Flange Nut (M8 x 1.25 - 6h)
[SS]
COMMON PARTS
Item
Description (size)
Rod
Qty Part No.
(1) 95824
[Mtl]
Item
Description (size)
Qty Part No.
(1) 95959
[Mtl]
1
5
6
9
[C]
60 Inlet Manifold
61 Outlet Manifold
[SS]
[SS]
[B]
Backup Washer
(2) 95819-1
(2) 95819-1
(2) Y13-8-T
(2) 95883
[SS]
[SS]
[SS]
[SS]
[SS]
(1) 95958
Diaphragm Washer
Washer (9/16” i.d. x 1-3/8” o.d. x 3/32”)
L n 70 Gasket
(2) 95843
Ln 144 “U” Cup (3/16” x 1-1/4” o.d.)
Ln 175 “O” Ring (3/32” x 13/16” o.d.)
(2) Y186-50
(2) Y325-114
[B]
14 Screw (M14 x 2 - 6g x 45 mm)
[B]
15 Fluid Cap
(2) 95890-1
n Air Section Service Kit Parts, see page 6.
Page 4 of 8
PM15X-X-X-A02
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PARTS LIST / PM15X-X-X-A02 FLUID SECTION
. TORQUE REQUIREMENTS ,
COLOR CODE
DIAPHRAGM
COLOR
3
1
NOTE: DO NOT OVERTIGHTEN FASTENERS.
ALL FASTENERS ARE METRIC.
BALL
COLOR
5
8
MATERIAL
(14) screw, tighten to 50 - 55 ft lbs (67.8 - 74.6 Nm).
(26) screws, 20 - 25 ft lbs (27.1 - 33.9 Nm).
(29) nuts, 15 - 20 ft lbs (20.3 - 27.1 Nm).
Santoprene
Santoprene
(Backup)
PTFE
Tan
Green
Tan
N / A
9
10
White
(-) Dash
White
(S) Dot
(131) screws, 12 - 17 ft lbs (16.3 - 23.0 Nm).
LUBRICATION / SEALANTS
k Apply Lubriplate FML-2 grease to all “O” rings, “U” Cups
& mating parts.
x Apply LoctiteR 242 to threads at assembly.
- Apply PTFE tape to threads at assembly.
~ Apply Loctite 271 to threads at assembly.
U Apply anti-seize compound to threads and bolt and nut
flange heads which contact pump case when using
stainless steel fasteners.
7
6
2
4
Torque Sequence
FOR THE
AIR MOTOR SECTION
SEE PAGES 6 & 7
Y Not used with PM15X-CSS-AXX-A02.
Z Lubriplate FML-2 is a white food grade petroleum grease.
61
26 , U
70 k
68
144 k
A
70 k 27 U 195
69
7
9
22
B
21
19 Y
29 , U
15
A
175 k 144 k
B
175 k
1 k
26 , U
22
180 k 131 ,x
5
6
14 , ~
21
60
19 Y
Figure 2
AUXILIARY VIEW A-A
(models PM15R-CSS-XXX-A02)
AUXILIARY VIEW B-B
(models PM15R-CSS-XXX-A02)
View of two piece PTFE diaphragm
k 180
28
180 k
195
Santoprene 8
PTFE 7
PM15X-X-X-A02
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PARTS LIST / PM15X-X-X-A02 AIR SECTION
n Indicates parts included in 637389 Air Section Service Kit shown below and items (70), (144), (175) and (180) shown on page 4.
AIR MOTOR PARTS
Item
Description (size)
Qty Part No.
(1) 95888
(1) 95970
(1) 95901
(1) 95823
[Mtl]
[A]
Item
Description (size)
Qty Part No.
(1) 95844
(1) Y186-53
(1) Y186-49
(1) 95838
(1) 95837
(1) 96171
(1) 67164
(2) 94433
(1) Y240-9
(1) 94081
(1) Y325-119
(1) Y325-22
(2) Y325-123
(2) Y325-202
(2) 95845
(4) Y178-52-S
(1) 96172
(1) 95842
(1) 93139
(1) 350-568
(1) 95832
(4) 95924
(1) 94276
637308
[Mtl]
[B]
[B]
101 Center Body (PM15A-X)
(PM15R-X)
n 137 Gasket
[P]
[SS]
[D]
n 138 “U” Cup (3/16” x 1-5/8” o.d.)
n 139 “U” Cup (3/16” x 1-1/8” o.d.)
140 Valve Insert
(PM15S-X)
[B]
103 Bushing
[AO]
[AO]
[B]
[D]
[U]
[B]
[Br]
[B]
[B]
[B]
105 Screw (M6 x 1 - 6g)
141 Valve Plate
(PM15A-X and PM15S-X) (16 mm long)
(4) 95991
(4) 95886
(2) 95840
(1) 95835
(1) 96293
(2) 95839
(2) 95123
(1) Y17-50-S
[SS]
[SS]
[SS]
[D]
n 166 Gasket
(PM15R-X) (130 mm long)
107 End Plate (PM15R-X only)
111 Spool (PM15A-X and PM15S-X)
(PM15R-X)
n 167 Pilot Piston (includes 168 and 169)
168 “O” Ring (3/32” x 5/8” o.d.)
169 “U” Cup (1/8” x 7/8” o.d.)
170 Piston Sleeve
[D]
118 Actuator Pin
121 Sleeve
[SS]
[D]
[SS]
n 171 “O” Ring (3/32” x 1-1/8” o.d.)
n 172 “O” Ring (1/16” x 1-1/8” o.d.)
n 173 “O” Ring (3/32” x 1-3/8” o.d.)
K n 174 “O” Ring (1/8” x 1/2” o.d.)
n 176 Diaphragm (check valve)
181 Roll Pin (5/32” o.d. x 1/2” long)
n 200 Gasket (PM15A-X and PM15S-X)
(PM15R-X)
128 Pipe Plug (1/8 - 27 N.P.T. x 0.27”)
(PM15A-X and PM15S-X only)
[B]
n 132 Gasket
(1) 96170
(3) Y117-416-C
(6) 95931
[B]
[C]
[SP]
[SS]
[B]
[B]
[P]
- - -
[P]
[SS]
133 Washer (1/4”) (PM15A-X)
(M6) (PM15R-X)
[SS]
[SS]
[SS]
[SS]
[Z]
(1/4”) (PM15S-X)
(3) Y14-416-T
(6) 95887
(4) 95887
(1) 95942-1
(1) 95834-1
(1) 95939-1
(1) 95941
(1) 95833
(1) 95938
134 Screw (M6 x 1 - 6g x 20 mm) (PM15R-X)
(PM15A-X and PM15S-X)
135 Valve Block (PM15A-X)
(PM15R-X)
201 Muffler (PM15R-X)
(PM15A-X and PM15S-X)
233 Adapter Plate
[P]
[SS]
[Z]
236 Nut (M6 x 1 - 6h) (PM15R-X only)
L n Lubriplate FML-2 Grease
Lubriplate Grease Packets (10)
Fluid Section Service Kit Parts, see page 4.
(PM15S-X)
136 End Cap (PM15A-X)
(PM15R-X)
K
[P]
(PM15S-X)
[SS]
AIR MOTOR SECTION SERVICE
MAJOR VALVE DISASSEMBLY
Service is divided into two parts - 1. Pilot Valve, 2. Major Valve.
GENERAL REASSEMBLY NOTES:
1. Remove (135) valve block and (233) adapter plate, exposing (132
and 166) gaskets and (176) checks.
S Air Motor Section Service is continued from Fluid Section repair.
S Inspect and replace old parts with new parts as necessary. Look for
deep scratches on surfaces, and nicks or cuts in “O” rings.
S Take precautions to prevent cutting “O” rings upon installation.
S Lubricate “O” rings with Lubriplate FML-2 grease.
S Do not over-tighten fasteners, refer to torque specification block on
view.
2. Insertasmallflatbladescrewdriverintothenotchinthesideof(135)
valveblockandpushinontabtoremove(233)adapterplate,releas-
ing (140) valve insert, (141) valve plate, (200) gasket.
3. Remove (136) end cap and (137) gasket, releasing (111) spool.
MAJOR VALVE REASSEMBLY
S Re-torque fasteners following restart.
1. Install new (138 and 139) “U” cups on (111) spool -- LIPS MUST
FACE EACH OTHER.
2. Insert (111) spool into (135) valve block.
S SERVICE TOOLS -- To aid in the installation of (168) “O” rings onto
the (167) pilot piston, use tool # 204130-T, available from ARO.
3. Install(137)gasketon(136)endcapandassembleendcapto(135)
valve block, securing with (107) end plates (where applicable) and
(105) screws.
4. Install(140)valveinsertand(141)valveplateinto(135)valveblock.
NOTE: Assemble (140) valve insert with “dished” side toward (141)
valve plate. Assemble (141) valve plate with part number identifica-
tion toward (140) valve insert.
PILOT VALVE DISASSEMBLY
1. A light tap on (118) should expose the opposite (121) sleeve, (167)
pilot piston and other parts.
2. Remove (170) sleeve, inspect inner bore of sleeve for damage.
5. Assemble(200)gasketand(233)adapterplateto(135)valveblock.
NOTE: Assemble (233) adapter plate with notched side down.
6. Assemble (132 and 166) gaskets and (176) checks to (101) body.
7. Assemble (135) valve block and components to (101) body, secur-
ing with (134) screws.
PILOT VALVE REASSEMBLY
1. Clean and lubricate parts not being replaced from service kit.
2. Install new (171 and 172) “O” rings, replace (170) sleeve.
3. Installnew (168) “O” ringsand (169) seal -Note the lip direction. Lu-
bricate and replace (167).
4. Reassemble remaining parts, replace (173 and 174) “O” rings.
Page 6 of 8
PM15X-X-X-A02
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PARTS LIST / PM15X-X-X-A02 AIR SECTION
173 k
118
169 k 168 k
PILOT VALVE
PART GROUP
172 k
171 k
170
k 174
121
173 k
121
167
118
166 k
174 k
233
140
141 k
135
133
. 134
43
Notch
k 138
200 k
132 k 176 k 101 181 103
201
111
k 139
k 137
- 128
136
Insert screwdriver here to remove (233) adapter plate.
MAJOR
VALVE
. 105
Figure 3
Models PM15A-CSS-XXX-A02
PM15S-CSS-XXX-A02
MATERIAL CODE
[A] = Aluminum
[AO] = Alumina Oxide
[B] = Nitrile
[Br] = Brass
[C] = Carbon Steel
[D] = Acetal
[P] = Polypropylene
[SP] = Santoprene
[SS] = Stainless Steel
[U] = Polyurethane
[Z] = Zinc
Models PM15R-CSS-XXX-A02
107
105
Insert screwdriver here to remove (233) adapter plate.
133
. 134
135
. TORQUE REQUIREMENTS ,
NOTE: DO NOT OVERTIGHTEN FASTENERS.
ALL FASTENERS ARE METRIC.
k 138
PM15A-CSS-XXX-A02 and PM15S-CSS-XXX-A02: Torque (105 and 134) screws to 40 - 50
in. lbs (4.5 - 5.6 Nm).
PM15R-CSS-XXX-A02: Torque (134) screw and (236) nut to 35 - 40 in. lbs (4.0 - 4.5 Nm).
111
LUBRICATION / SEALANTS
k 139
k 137
136
k
Apply Lubriplate FML-2 grease to “O” rings, “U” Cups & mating parts.
- Apply PTFE tape to threads at assembly.
A replacement Major Valve Service Assembly is available separately, which includes the following:
637390-1formodelsPM15R-X:105(4),107(2),111,132,135,136,137,138,139,140,141,166,
176 (2), 200, 233 and 236 (4).
637390-3 for models PM15A-X: 105 (4), 111, 128, 132, 135, 136, 137, 138, 139, 140, 141, 166,
176 (2), 200 and 233.
107
637390-5 for models PM15S-X: 105 (4), 111, 128, 132, 135, 136, 137, 138, 139, 140, 141, 166,
176 (2), 200 and 233.
. 236
PM15X-X-X-A02
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TROUBLE SHOOTING
Product discharged from exhaust outlet.
S Check for diaphragm rupture.
S Check tightness of (14) diaphragm screw.
Low output volume, erratic flow, or no flow.
S Check air supply.
S Check for plugged outlet hose.
S Check for kinked (restrictive) outlet material hose.
S Check for kinked (restrictive) or collapsed inlet material hose.
S Check for pump cavitation -- suction pipe should be sized at least as
large as the inlet thread diameter of the pump for proper flow if high
viscosity fluids are being pumped. Suction hose must be a non-col-
lapsing type, capable of pulling a high vacuum.
S Check all joints on the inlet manifolds and suction connections.
These must be air tight.
Air bubbles in product discharge.
S Check connections of suction plumbing.
S Check “O” rings between intake manifold and inlet side fluid caps.
S Check tightness of (14) diaphragm screw.
Motor blows air or stalls.
S Check (176) check valve for damage or wear.
S Check for restrictions in valve / exhaust.
S Inspectthepumpforsolidobjectslodgedinthediaphragmchamber
or the seat area.
DIMENSIONAL DATA
(Dimensions shown are for reference only, they are displayed in inches and millimeters (mm).
13-27/32” (351.4 mm)
10-3/4” (272.4 mm)
10-1/4” (260.4 mm)
2-5/8” (66.7 mm)
2” Tri-Clamp
14-9/16” (370.0 mm)
7-9/32” (185.0 mm)
Outlet
18-3/8”
(466.7 mm)
9-11/16”
19-21/32”
(498.9 mm)
Inlet
(246.1 mm)
2-3/4”
(69.9 mm)
1/2” (12.7 mm)
11-3/4” (298.5 mm)
15/32”
9” (228.6 mm)
(11.4 mm)
10” (254.0 mm)
Air Inlet 1/2 - 14 N.P.T.
Exhaust Port 3/4 - 14 N.P.T.
Figure 4
PN 97999-1058
PM15X-X-X-A02
Page 8 of 8
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