OPERATOR’S MANUAL
66M150-XXX-C
INCLUDING: OPERATION, INSTALLATION & MAINTENANCE
66M170-XXX-C
RELEASED:
REVISED:
(REV. 05)
11-3-08
8-25-10
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.
The original language of this manual is English.
SERVICE KITS
Refer to Model Description Chart to match the pump mate-
rial options.
637118-C for air section repair (see page 6).
637469-XX for fluid section repair (see page 4).
PUMP DATA
Models. . . . . . . . . . . see Model Description Chart for “-XXX”
Pump Type. . . . . . . Metallic Air Operated Double Diaphragm
Material. . . . . . . . . . see Model Description Chart
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.53 lbs (25.19 kgs)
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)
(flooded inlet)
Maximum Flow Rate
. . . 80 g.p.m. (302.8 l.p.m.)
Displacement / Cycle @ 100 p.s.i.g. . 0.46 gal. (1.74 lit.)
Maximum Particle Size . . . . . . . . . . . . . 1/2”dia. (12.7 mm)
Maximum Temperature Limits (diaphragm / ball / seal
material)
E.P.R. . . . . . . . . . . . . . . . . . . . . . -60° to 280° F (-51° to 138° C)
Hytrel® . . . . . . . . . . . . . . . . . . . -20° to 150° F (-29° to 66° C)
Nitrile . . . . . . . . . . . . . . . . . . . . 10° to 180° F (-12° to 82° C)
Santoprene®. . . . . . . . . . . . . . -40° to 225° F (-40° to 107° C)
PTFE. . . . . . . . . . . . . . . . . . . . . . 40° to 225° F (4° to 107° C)
Viton® . . . . . . . . . . . . . . . . . . . . -40° to 350° F (-40° to 177° C)
Dimensional Data. . . . . . . . . . . . . . . . . . . see page 8
Figure 1
MODEL DESCRIPTION CHART
Noise Level @ 70 p.s.i., 60 c.p.m. . . . 77.7 db(A)
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66M1 X 0 - X X X - C
Noise Level @ 70 p.s.i., 60 c.p.m. . . . 107.0 db(A)
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Center Body Material / Fluid Connection
Tested with 93139 muffler assembly installed.
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ꢁ
5
7
-
-
Aluminum / 1-1/2 - 11-1/2 NPTF - 1
The pump sound pressure levels published here have been updated to
an Equivalent Continuous Sound Level (LAeq) to meet the intent of ANSI
S1.13-1971, CAGI-PNEUROP S5.1 using four microphone locations.
Aluminum / Rp 1-1/2 (1-1/2 - 11 BSP parallel)
Fluid Cap & Manifold Material / Hardware
Aluminum / Carbon steel
Tested with 97117 housing and 97114 ball installed. Hearing protection
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ꢁ
0
-
is recommended when operating this product.
Seat Material
Aluminum
1
-
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
Nitrile
C - Hytrel
Santoprene
2
-
E
-
Diaphragm Material
2
9
-
-
Nitrile
Hytrel
B - Santoprene
Fluid Section Service Kit Selection
66M1X0 - X X X - C
637469 - X X
Example: Model #66M150-1EB-C
Fluid Section Service Kit # 637469-EB
Ball
Diaphragm
INGERSOLL RAND COMPANY LTD
209 NORTH MAIN STREET – BRYAN, OHIO 43506
© 2010
CCN 15321524
(800) 276-4658 FAX (800) 266-7016
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MAINTENANCE
Refer to the part views and descriptions as provided on
pages 4 through 7 for parts identification and service kit in-
formation.
WARNING = Hazards or unsafe practices which
could result in severe personal injury,
death or substantial property damage.
CAUTION = Hazards or unsafe practices which
could result in minor personal injury,
product or property damage.
Certain ARO “Smart Parts” are indicated which should be
available for fast repair and reduction of down time.
Service kits are available to service two separate
diaphragm pump functions: 1. AIR SECTION, 2. FLUID
SECTION. The Fluid Section is divided further to match
typical part Material Options.
Provide a clean work surface to protect sensitive internal
moving parts from contamination from dirt and foreign
matter during service disassembly and reassembly.
Keep good records of service activity and include the
pump in preventive maintenance program.
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NOTICE
= Important installation, operation or
maintenance information.
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GENERAL DESCRIPTION
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The ARO diaphragm pump offers high volume delivery even
at low air pressure and a broad range of material compatibil-
ity options are 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 dif-
ferential in the air chambers to alternately create suction and
a positive fluid pressure in the fluid chambers, valve checks
insure a positive flow of fluid.
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Before disassembling, empty captured material in the
outlet manifold by turning the pump upside down to
drain material from the pump.
FLUID SECTION DISASSEMBLY
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 pressure and will stop cycling once maxi-
mum line pressure is reached (dispensing device closed) and
will resume pumping as needed.
1. Remove top manifold(s).
2. Remove (22) balls, (19) “O”rings and (21) seats.
3. Remove (15) fluid caps.
4. Remove (14) screws, (6) washers, (7) diaphragms and (5)
washers.
5. Remove (3) “O”rings.
AIR AND LUBE REQUIREMENTS
NOTE: Do not scratch or mar the surface of (1) diaphragm
rod.
EXCESSIVE AIR PRESSURE. Can cause pump
WARNING
damage, personal injury or property damage.
A filter capable of filtering out particles larger than 50
microns should be used on the air supply. There is no lu-
brication required other than the “O” ring lubricant which
is applied during assembly or repair.
If lubricated air is present, make sure that it is compatible
with the “O” rings and seals in the air motor section of the
pump.
FLUID SECTION REASSEMBLY
Reassemble in reverse order.
Clean and inspect all parts. Replace worn or damaged
parts with new parts as required.
Lubricate (1) diaphragm rod and (2) “O” ring with Key-
Lube “O”ring lube.
Use ARO pn 98931-T bullet (installation tool) to aid in in-
stallation of (2) “O”ring on (1) diaphragm rod.
Be certain (7) diaphragms align properly with (15) fluid
caps before making final torque adjustments on bolt and
nuts to avoid twisting the diaphragm.
Re-check torque settings after pump has been re-started
and run a while.
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OPERATING INSTRUCTIONS
Always flush the pump with a solvent compatible with
the material being pumped if the material being pumped
is subject to “setting up” when not in use for a period of
time.
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Disconnect the air supply from the pump if it is to be in-
active for a few hours.
The outlet material volume is governed not only by the
air supply, but also by the material supply available at the
inlet. The material supply tubing should not be too small
or restrictive. Be sure not to use hose which might col-
lapse.
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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.
Secure the diaphragm pump legs to a suitable surface to
insure against damage by vibration.
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Viton®and Hytrel® are registered trademarks of the DuPont Company Loctite® is a registered trademark of Henkel Loctite Corporation
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Santoprene® is a registered trademark of Monsanto Company, licensed to Advanced Elastomer Systems, L.P. ARO® is a registered trademark of Ingersoll-Rand Company
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262™, 271™ and 572™ are trademarks of the DuPont Company
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66M150-XXX-C (en)
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PARTS LIST / 66M150-XXX-C FLUID SECTION
637469-XX Fluid section service kit includes: Balls (see Ball Option, refer to -XX in chart below), Diaphragms (see Diaphragm Option, refer to -XX in chart
below) and items 2, 3, 9 and 19 (listed below) plus 93706-1 Key-Lube grease packet (page 6).
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MATERIAL CODE
SEAT OPTIONS
66M150-XXX-C
BALL OPTIONS
66M150-XXX-C
[A] = Aluminum
[B] = Nitrile
[C] = Carbon Steel
[Co] = Copper
[E] = E.P.R.
(1-1/2” diameter)
“22”
“21”
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-XXX Seat
-1XX 97069
Qty Mtl
(4) [A]
-XXX Ball
Qty Mtl
[H] = Hytrel
-X2X 97110-2
-XCX 97110-C
-XEX 97110-A
(4)
(4)
[B]
[H]
[Sp] = Santoprene
[SS] = Stainless Steel
[T] = PTFE
[V] = Viton
(4) [Sp]
DIAPHRAGM OPTIONS 66M150-XXX-C
(1/16” x 3/4” o.d.)
(1/8” x 2-3/4” o.d.)
“19”
Service kit
“7”
“3”
n
n
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-XX = (Ball)
-XXX -XX = (Diaphragm)
Diaphragm
Qty
Mtl “O” Ring
[B] Y325-16
[H] Y328-16
[Sp] Y328-16
Qty
(4)
(4)
(4)
Mtl “O” Ring
[B] Y325-230
[T] Y327-230
[T] 92761
Qty
(4)
(4)
(4)
Mtl
-XX2 637469-X2
94615-G
94615-9
94615-A
(2)
(2)
(2)
[B]
[V]
[E]
-XX9 637469-X9
-XXB 637469-XB
COMMON PARTS
(size)
(size)
Item Description
Qty Part No.
(1) 97072
Mtl
[C]
Item Description
Qty Part No.
(20) Y12-5-C
(2) 92759
(1) 93004
(16) 93608
(2) 96577
(2) 97065
(1) 97066
(4) 97060
(4) 96756
(10) 96741
(2) 97056
(4) 97055
Mtl
[C]
[C]
[Co]
[C]
[A]
[A]
[A]
[C]
[C]
[C]
[C]
[C]
(5/16” - 18)
1
2
5
6
9
Rod
29 Nut
o
n
(3/32” x 1” o.d.)
“O” Ring
(1) Y330-117 [B]
32 Leg
(air side)
(see page 7)
Washer
Washer
Washer
(2) 92752
(2) 92752
(2) 93065
[C]
[C]
43 Ground Lug
(fluid side)
(0.630” i.d.)
(5/16” - 18 x 2”)
59 Screw
o
n
[SS]
182 Side Screen
(5/8” - 18 x 1-1/2”)
14 Screw
(2) Y5-107-T [SS]
183 Top Plate Screen
184 Base Plate
15 Fluid Cap
(2) 92750
(2) 92749
(2) 92749-1
(4) Y13-6-C
(8) Y6-66-C
[A]
[A]
[A]
[C]
[C]
(models 66M150-XXX-C, NPTF)
(models 66M170-XXX-C, BSP)
(M10 x 1.5 - 6h)
185 Lock Nut
Manifold
16
(M10)
187 Washer
(3/8”)
(M10 x 1.5 - 6g x 25 mm)
24 Washer
188 Button Head Screw
280 Handle
(3/8” - 16 x 1-1/4”)
(5/16” - 18 x 2-1/4”)
(5/16”)
26 Screw
27 Screw
(4) Y6-510-C [C]
(4) Y13-5-C [C]
281 Bracket
28 Washer
“Smart Parts“, keep these items on hand in addition to the service kits for fast
repair and reduction of down time.
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Page 4 of 8
66M150-XXX-C (en)
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PARTS LIST / 66M150-XXX-C FLUID SECTION
COLOR CODE
1
4
3
2
Diaphragm
Color
Ball
FOR THE AIR MO-
TOR SECTION, SEE
PAGES 6 & 7.
Material
Color
8
6
5
7
Hytrel
Nitrile
Cream
Black
Tan
Cream
Red (•)
Santoprene
Tan
10
9
(•) Dot
16
26
24
ꢁ
Torque Sequence
281
280
ꢀ
2
1
5
7
3
ꢀ
14 ꢁꢂ
22
19
21
ꢀ
ꢃ
ꢃ
29
15
59
ꢀ
3
Tab
183
28
29
28
188
32
27
22
21
19
26
ꢁ
6
9
185
187
32
ꢀ
188
Figure 2
182 188
184
16
ASSEMBLY TORQUE REQUIREMENTS
)
(
NOTE: DO NOT OVERTIGHTEN FASTENERS.
(14) screw, 65 - 70 ft. lbs (88.1 - 94.9 Nm).
(26) bolt, 240 - 280 in. lbs (27.1 - 31.6 Nm).
(29) nut, 120 - 140 in. lbs (13.6 - 15.8 Nm).
Air side
Fluid side
LUBRICATION / SEALANTS
Apply Key-Lube grease (93706-1) to all “O” rings, “U” cups and
mating parts.
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Cross section view of diaphragm.
66M150-XXX-C (en)
Apply Loctite® 271™ to threads.
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PARTS LIST / 66M150-XXX-C AIR MOTOR SECTION
Indicates parts included in 637118-C air section service kit.
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AIR MOTOR PARTS
(size)
(size)
Item Description
101 Motor Body
Qty Part No.
Mtl
Item Description
Qty Part No.
(2) 98723-2
(2) 94820
Mtl
[Bz]
[U]
[C]
[C]
[I]
(1) 94744
(2) Y325-24
(1) 94528
(2) Y145-26
(8) 93860
(2) 93707-1
(1) 92878
(1) 92011
(1) Y186-51
(1) 92005
(5) 92877
(5) Y325-214
(6) Y325-126
(4) 92876
(1) 92006
(1) 92004
(1) 93309-2
(4) 93075
(3) 115959
[A]
121 Sleeve Bushing
(1/16” x 1-1/4” o.d.)
(3/32” x 9/16” o.d.)
122 “O” Ring
102 “O” Ring
103 Sleeve
[B]
p
o
p
p
p
(#8 - 32 x 3/8”)
[D]
123 Screw
(4) Y154-41
(1) Y227-5-L
(1) Y27-5-C
(1) Y43-5-C
(1-5/32” i.d.)
(1/2 - 14 PTF x 17/32”)
104 Retaining Ring
105 Screw / Lockwasher
107 Plate
[C]
126 Pipe Plug
(1/4” - 20 x 5/8”)
(3/4 - 14 NPT x 1-3/8”)
127 Nipple
[C]
(3/4 - 14 NPT)(optional)
(1/4” - 20 x 1/4”)
127 90° Street Elbow
[C]
[SS]
[B/Ny]
[D]
(not shown)
(with notch)
108 Gasket
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o
p
o
o
p
p
o
o
p
(1/8 - 27 PTF x 1/4”)
109 Piston
128 Pipe Plug
(1) Y227-2-L
(2) 94987
(1) 94987-1
(1) 97117
(1) 67463
[C]
[SS]
[SS]
[A]
(3/16” x 1-3/8” o.d.)
110 “U” Cup
111 Spool
[B]
197 Button Head Screw
198 Button Head Screw
(1/4” - 20 x 3/8”)
[A]
(1.557” o.d.)
112 Washer
113 “O” Ring
114 “O” Ring
115 Spacer
116 Spacer
117 Gasket
[Z]
201 Exhaust Check Housing
(includes item 127) (optional)
(1/8” x 1-1/4” o.d.)
(3/32” x 1-9/16” o.d.)
201 Muffler Kit
[B]
(not shown)
[B]
(0.875” diameter)
[Z]
282 Ball
(1) 97114
[B]
[Z]
[B/Ny]
[C]
Key-Lube “O” Ring Lubricant
(1) 93706-1
(10) 637175
n p
118 Pilot Rod
119 “O” Ring
120 Spacer
10 Pak of Key-Lube
(1/8” x 3/4” o.d.)
[U]
p
“Smart Parts“, keep these items on hand in addition to the service kits for fast
repair and reduction of down time.
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[Z]
MATERIAL CODE
PILOT VALVE REASSEMBLY
[A] = Aluminum
[B] = Nitrile
[Bz] = Bronze
[C] = Carbon Steel
[D] = Acetal
[I] = Iron
[Ny] = Nylon
[SS] = Stainless Steel
[U] = Polyurethane
[Z] = Zinc
1. Replace two (102) “O” rings, if worn or damaged, and reinstall
(103) sleeve.
2. Install one of the (121) sleeve bushings, (119) “O” rings, (120)
spacers and the remaining (121) bushing.
3. Carefully push (118) pilot rod into bushings etc. and retain on
each end with the two (122) “O”rings. Retain with (123) screws.
4. Replace (104) retaining rings.
AIR MOTOR SECTION SERVICE
Service is divided into two parts - 1. Pilot Valve, 2. Major Valve.
GENERAL REASSEMBLY NOTES:
Air Motor Section service is continued from Fluid Section repair.
Inspect and replace old parts with new parts as necessary. Look
for deep scratches on metallic surfaces, and nicks or cuts in “O”
rings.
Take precautions to prevent cutting “O”rings upon installation.
Lubricate “O”rings with Key-Lube.
Do not over-tighten fasteners. Refer to torque specification
block on view.
Re-torque fasteners following restart.
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MAJOR VALVE DISASSEMBLY
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1. Remove (107) plate and (108 and 117) gaskets.
2. On the side opposite the air inlet, push on the inner diameter
of (111) spool. This will force the (109) piston out. Continue
pushing the (111) spool and remove. Check for scratches and
gouges.
3. Reach into the air section (exhaust side) and remove (116)
spacer, (115) spacers, (113) “O” rings, (114) “O” rings, (112) wash-
ers. etc. Check for damaged “O”rings.
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PILOT VALVE DISASSEMBLY
MAJOR VALVE REASSEMBLY
1. Remove (104) retaining ring.
2. Remove (123) screws and (122) “O”rings.
3. Remove (118) piston rod, (121) sleeve bushing, (119) “O” rings
and (120) spacers from the (101) motor body.
4. Remove (103) sleeve and (102) “O”rings.
1. Replace (112) washer, (114)“O”ring and (113)“O”ring onto (115)
spacer and insert etc. NOTE: Be careful to orient spacer legs
away from blocking internal ports.
2. Lubricate and carefully insert (111) spool.
3. Install (117) gasket and (107) plate.
4. Lubricate and install (110) packing cup and insert (109) piston
into (air inlet side) cavity. The (110) packing cup lips should
point outward.
5. Install (108) gasket and replace (107).
Page 6 of 8
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PARTS LIST / 66M150-XXX-C AIR MOTOR SECTION
IMPORTANT
BE CERTAIN TO ORIENT (115) SPACER LEGS
AWAY FROM BLOCKING INTERNAL PORTS
WHEN REASSEMBLING AIR SECTION.
111
114
116
ꢀ
115
114
113
105
107
117
ꢁ
ꢀ
ꢀ
112
MAJOR VALVE
See cross section detail, figure 4.
Figure 3
201
282
127
101
ꢅ
128
ꢅ
126
104
ꢄꢃ 123
121
197
102
103
104
ꢂ
ꢀ
ꢀ
108
ꢃ
105
107
109
110
119
ꢀ
PILOT VALVE
121
ꢀ
ꢂ
ꢂ
198
43
123 ꢁꢄ
197
118
122
ꢀ
ꢀ
120
MAJOR VALVE CROSS SECTION DETAIL
109 110 112 114 115 113 111 116
ꢀ
ꢀ
ꢀ
) ASSEMBLY TORQUE REQUIREMENTS (
NOTE: DO NOT OVERTIGHTEN FASTENERS.
(105) screw, 40 - 50 in. lbs (4.5 - 5.6 Nm).
(123) screw, 20 - 25 in. lbs (2.3 - 2.8 Nm).
LUBRICATION / SEALANTS
c
Apply Key-Lube grease to all “O” rings, “U” cups and
mating parts.
Figure 4
d
e
f
Apply Loctite 271 to threads.
Apply Loctite 262™ to threads.
Apply Loctite 572™ to threads.
66M150-XXX-C (en)
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TROUBLE SHOOTING
Product discharged from exhaust outlet.
Low output volume, erratic flow or no flow.
Check for diaphragm rupture.
Check air supply.
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Check tightness of (14) diaphragm screw.
Check for plugged outlet hose.
Check for kinked (restrictive) outlet material hose.
Check for kinked (restrictive) or collapsed inlet material
hose.
Air bubbles in product discharge.
Check connections of suction plumbing.
Check “O”rings between intake manifolds and fluid caps.
Check tightness of (14) diaphragm screw.
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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-collapsing type, capable of
pulling a high vacuum.
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Check all joints on the intake manifolds and suction con-
nections. These must be air tight.
Inspect the pump for solid objects lodged in the dia-
phragm chamber or the seat area.
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DIMENSIONAL DATA
Dimensions shown are for reference only, they are displayed in inches and millimeters (mm).
N - Exhaust port
M - Material outlet
K - Air inlet
B
A
E
C
D
H
G
J
L
F
DIMENSIONS
A - 13-1/8”(333.3 mm)
B - 17-3/32”(433.7 mm)
C - 6-9/16”(166.7 mm)
D - 1-3/4”(44.5 mm)
F - 11-1/4”(285.8 mm)
G - 19-15/16”(506.2 mm)
H - 18-11/16”(296.8 mm)
J - 14-1/16”(357.2 mm)
K - 1/2 - 14 NPTF - 1
L - 12-1/32”(305.5 mm)
M - see below
N - 3/4 - 14 NPTF - 1
E - 11-1/2”(292.1 mm)
“M”
66M150-XXX-C
66M170-XXX-C
1-1/2 - 11-1/2 NPTF - 1
Rp 1-1/2 (1-1/2 - 11 BSP, parallel)
Figure 5
PN 97999-1402
Page 8 of 8
66M150-XXX-C (en)
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