666DXX–X–C
OPERATOR’S MANUAL
RELEASED: 5–3–88
REVISED: 6–21–10
(REV.F) IPP/PSE
INCLUDING: OPERATION, INSTALLATION & MAINTENANCE
2” FLAP VALVE DIAPHRAGM PUMP
1:1 RATIO (METALLIC)
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,
OPERATING OR SERVICING THIS EQUIPMENT
.
THIS MANUAL COVERS THE FOLLOWING MODELS
CENTER
BODY MAT'L
WETTEDSIDE
MATERIAL
CENTER
BODY MAT'L
WETTEDSIDE
MATERIAL
MODEL
TH'D
NPT
MODEL
TH'D
666D00-XXX-C
666D01-XXX-C
ALUMINUM ALUMINUM
ALUMINUM S'STEEL
ALUMINUM CAST IRON
666D20-XXX-C
666D21-XXX-C
BSP ALUMINUM ALUMINUM
BSP ALUMINUM S'STEEL
NPT
NPT
666D02-XXX-C
666D10-XXX-C
666D22-XXX-C
666D30-XXX-C
BSP ALUMINUM CAST IRON
BSP CAST IRON ALUMINUM
NPT CAST IRON ALUMINUM
NPT
NPT
666D11-XXX-C
666D12-XXX-C
CAST IRON S'STEEL
666D31-XXX-C
666D32-XXX-C
BSP CAST IRON S'STEEL
CAST IRON CAST IRON
BSP CAST IRON CAST IRON
SERVICE KITS
637118-C for Air Section repair. (See page 6.)
637146-X for Fluid Valve Section repair. (See page 4.)
637147-X for Diaphragm repair. (See page 4.)
PUMP DATA
MODELS - See Model Description Chart for ``-XXX'' on page 3.
PUMP TYPE - Flap Valve Check
Metallic Air Operated Double Diaphragm
MATERIAL - See Model Description Chart on page 3.
WEIGHT - ALUMINUM (Center body) 59 to 111 lbs
CAST IRON (Center body) 115 to 127 lbs
MAXIMUM AIR INLET PRESSURE - 120 p.s.i. (8 bar)
MAXIMUM OUTLET PRESSURE - 120 p.s.i (8 bar)
MAXIMUM FLOW RATE (FLOODED INLET) - 130 g.p.m.
MAXIMUM PARTICLE SIZE - 1-1/2" dia.
DIMENSIONAL DATA - See page 8.
NOISE LEVEL *- 77.7 db(A) @ 70 psi, 60 cycles per minute.
INSTALLATION NOTE: The Material Inlet for this pump is on the
top and the Material Outlet is on the bottom.
666DXX-
2'' DIAPHRA
*ThepumpsoundpressurelevelspublishedherehavebeenupdatedtoanEquivalentContinuousSoundLevel(L )tomeettheintentofANSIS1.13-1971,CAGI-PNEUROPS5.1usingfourmicrophonelocations.
Aeq
NOTICE: All possible options are shown in the chart on page 3 however certain combinations may not be recommended, consult a repreĆ
sentative or the factory if you have questions concerning availability.
GENERAL DESCRIPTION
The ARO Diaphragm Pump offers high volume delivery even at low air
pressures, easy self priming, the ability to pump various viscosity maĆ
terials and the ability to pass solids (as stated in the chart above). The
pump is designed to correspond to the needs of the user by offering
a wide variety of wetted parts configurations to handle almost any apĆ
plication. Refer to the model and option chart on page 3.
INGERSOLL RAND COMPANY LTD
209 NORTH MAIN STREET – BRYAN, OHIO 43506
© 2010
(800) 495-0276 FAX(800) 892-6276
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MODEL DESCRIPTION CHART
666 X X X – X X X – C
(REV)
(2’’ THREAD)
CENTER BODY MAT’L
CHECK TYPE
SEAT MAT’L
FLUID CAP MAT’L
BALL MAT’L
DIAPHRAGM
1 NEOPRENE
2 BUNA
3 VITON
5 E.P.R.
8 POLYURETHANE
0 ALUMINUM
1 S'STEEL
2 CAST IRON
5 (FLAP) S'STEEL
7 (FLAP) PVDF (KYNAR)
1 NEOPRENE
2 BUNA N
3 VITON R
5 E.P.R.
9 HYTRELR
B SANTOPRENER
D0 NPT,ALUMINUM
D1 NPT, CAST IRON
D2 BSP,ALUMINUM
D3 BSP, CAST IRON
AIR AND LUBE REQUIREMENTS
MAINTENANCE CONT’D
S Provide a clean work surface to protect sensitive internal moving
parts from contamination from dirt and foreign matter during serĆ
vice disassembly and reassembly.
WARNING EXCESSIVE AIR PRESSURE. Can cause pump
damage, personal injury or property damage.
S A filter capable of filtering out particles larger than 50 microns
should be used on the air supply. In most applications there is no
lubrication required other than the ``O"ring lubricant which is apĆ
plied during assembly or repair.
S Keep good records of service activity and include pump in prevenĆ
S Before disassembling empty captured material in the outlet manĆ
ifold by turning the pump upside down to drain material from the
pump.
tive maintenance program.
S When lubricated air is necessary, supply the air lubricator with a
good grade of SAE 90 wt. non-detergent oil and set the lubricator
to a rate not to exceed one drop per minute.
FLUID SECTION DISASSEMBL
Y
OPERATING INSTRUCTIONS
1. Remove top manifold(s).
2. Remove (22) balls, (19), (33) ``O" Rings, (21) seats.
3. Remove (15) fluid caps.
4. Remove the (6) nut, (7) or (7/8) diaphragms, and (5) washers.
5. Remove (3), (4) ``O"Rings.
NOTE: Do not scratch or mar the surface of (1) diaphragm rod.
S 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.
S Disconnect the air supply from the pump if it is to be inactive for a
few hours.
FLUID SECTION REASSEMBL
Y
S 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 collapse.
S Reassemble in reverse order.
new parts as required.
S Clean and inspect all parts. Replace worn or damaged parts with
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.
S Lubricate diaphragm rod (1) and (2) ``O"ring with Key-LubeR
``O"ring lube or equivalent.
S Use ARO PN/98930-T Bullet (installation tool) to aid in installation
S Secure the diaphragm pump legs to a suitable surface to insure
of ``O"ring (2) on diaphragm rod (1).
against damage by vibration.
S Be certain (7) diaphragms align properly with (15) fluid caps before
making final torque adjustments on bolt and nuts to avoid twisting
the diaphragm.
MAINTENANCE
Refer to the part views and descriptions as provided on page 4
through 7 for parts identification and Service Kit information.
S Re-check torque settings after pump has been re-started and run
a while.
S Certain ARO ``Smart Parts" are indicated which should be availĆ
able 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
SECTIONis divided further to match typical part MATERIAL OPĆ
TIONS. Order the VALVE SERVICE KIT for repair of all fourvalves,
individual replacement VALVE KITS are also available which inĆ
clude seats.
S
VitonR and HytrelR are trademarks of the DuPont Company,
S
KynarR is a trademark of Penwalt Corp,
S
Santoprene R is a registered trademark of Monsanto Company, licensed to Advanced Elastomer Systems,L.P. S Key-Lubeis a trademark of Key Industries.
PAGE 3 OF 8
666DXX-X-C
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PARTS LIST / FLUID SECTION
SEAT OPTIONS
666DXX-
-XXX
``44''
SCREW (8)
``45''
WASHER
``46''
``49''
SEAT (4)
``50''
NUT (8)
[MTL]
[MTL]
[MTL]
[MTL]
[MTL]
BRACKET (4)
[T] 93192
(16) [T] 93192
-5XX
-7XX
92982-1
92982-1
[SS] 93074
[SS] 93074
(8)
[SS] 93193
[SS] 93202
[SS] Y170-4-S
[K] Y170-4-S
[SS]
[SS]
VALVE OPTIONS
666DXX-
-XXX
SERVICEKITS
-X = (Valve)
VALVE KIT VALVE KIT
-7XX
``47''
BUMPER (4)
``48''
VALVE (4)
``51''
O-RING (8)
[MTL]
[MTL]
[MTL]
-5XX
-X1X
-X2X
-X3X
-X5X
-X8X
-X8X
637146-1
637146-2
637146-3
637146-5
637146-81
637146-82
93197-1
[N] 93196-1
[B] 93196-2
[V] 93196-3
[E] 93196-5
[N] 93070
[N] Y325-156
[B] Y325-156
[V] Y327-156
[E] 93204
[N]
[B]
[V]
[E]
[B]
[B]
61427-1
61427-2
61427-3
61427-5
61427-81
61427-82
61428-1
61428-2
61428-3
61428-5
-------
-------
93197-2
93197-3
93197-5
93197-1
93197-2
[U] Y325-156
[U] Y325-156
[B] 93070
ITEMSINCLUDED IN SERVICEKITS
DIAPHRAGM OPTIONS
VALVE & SEAT KIT
61427-X with ``49'' S'Stl Seat
61428-X with ``49'' Kynar Seat
Single Valve Replacement, Qtys shown in ( )
``7"n
``3" n
``55"n
666DXX
-XXX
O-RING (4)
5/8" O.D.
O-RING (4)
[MTL] 1-9/16" O.D. [MTL]
SERVICEKITS
-X = (Diaphragm)
DIAPHRAGM (2) [MTL]
``44(2), 45(2,4), 46(1), 47(1), 48(1), 50(2)"
-XX1
-XX2
-XX3
-XX5
-XX9
-XXB
637147-1
637147-2
637147-3
637147-5
637147-9
637147-B
92755-1
92755-2
92755-3
92755-5
92755-9
92755-B
[N] Y325-16
[B] Y325-16
[B] Y325-230
[B] Y325-230
[T] Y327-230
[T] 92761
[B]
[B]
[V]
[E]
[V]
[E]
637146-X VALVE SERVICE KIT
Four Valve Repair-(no seats)
[V] Y328-16
[E] Y328-16
[H] Y328-16
[SP] Y328-16
``44, 45, 46, 47, 48, 50, 51"
n637147-X DIAPHRAGM KIT
[T] Y327-230
[T] 92761
``2, 3, 7, 9, 55''
Plus 93706-1 Key-Lube Grease
WETTED COMMON PARTS
ALUMINUM
STAINLESSSTEEL
CAST IRON
MATERIAL CODE
666DX0-XXX
666DX1-XXX
666DX2-XXX
[A]=Aluminum
[B]=Buna ``N''
[C]=Carbon Steel
[CI]=Cast Iron
[E]=E.P.R.
[MTL]
[MTL]
[MTL]
ITEM DESCRIPTION(SIZE IN INCHES) QTY PART NO.
PART NO.
PART NO.
V1 Rod
(1)
(1)
(2)
(2)
(2)
(2)
(2)
98720-1
Y330-117
92752
[C] 98720-1
[B] Y330-117
[C] 92752
[C] 98720-1
[B] Y330-117
[C] 92752
[C]
[B]
[H]=Hytrel
n2 ``O"Ring (1 O.D.)
[K]=P.V.D.F. (Kynar)
[N]=Neoprene
[SP]=Santoprene
[SS]=Stainless Steel
[T]=PTFE
5
Plate (Air Side)
[C]
6
Plate (Fluid Side)
92775
[SS] 92775
[SS] 93065
[C] Y5-107-T
[A] 93072
[SS] 92775
[SS] 93065
[SS] Y5-107-T
[SS] 93073
[C] Y12-5-C
[C] Y6-67-C
[C] 93203
[SS]
[SS]
[SS]
[CI]
[C]
n9 Washer (5/8)
14 Screw (5/8-18 x 1-1/2)
15 Fluid Cap
93065
[V]=Viton
Y5-107-K
93071
* THREAD NOTE:
29 Nut (5/16-18)
30 Screw (3/8-16 x 1-1/2)
32 Leg
(20) Y12-5-C
[C] Y12-5-C
[C] Y6-67-C
[C] 93203
666DX0-, DX1-, DX2
For NPT Add: ``-1"
For BSP Add;``-2''
To the Manifold Part No.
(4)
(2)
(1)
(2)
(4)
Y6-67-C
93203
[C]
[C]
43 Ground Lug
52 Manifold
93004
[C] 93004
[C] 93004
[C]
Service Note:
Part No. 98930-T
Installation Tool is
available separately for
use with items 1 and 2.
93195 ( * )
93194
[A] 93199 ( * )
[A] 93198
[SS] 93201 ( * )
[SS] 93200
[C] Y6-66-C
[C] 93608
[CI]
[CI]
[C]
53 Housing
54 Screw (3/8-16 x 1-1/4)
124 Bolt (5/16- 18 x 2)
(20) Y6-66-C
(20) 93608
[C] Y6-66-C
[C] 93608
[C]
V ``Smart Parts'' keep these items on hand in addition to the Service Kits for fast repair and reduction of down time.
PAGE 4 OF 8
666DXX-X-C
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FLUID SECTION
PARTS LIST
COLOR CODE
DIAPHRAGM BALL
STAINLESS STEEL
(-5XX)
MATERIAL
COLOR
COLOR
50
ACETAL
BUNA
N/A
ORANGE
RED (S
S
49
RED (-)
48
P
AI
Apply Keylube to all O-rings U-Cups & mating parts
PAGE 5 OF 8
666DXX-X-C
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nPAInRdicTatSes parts included in 637118-C Air Section Service Kit.
LIST / AIR SECTION
SERVICE KIT NOTE: Service Kit 637118-C is a general repair kit for all 1" and larger ARO diaphragm pump air motors.
It contains extra O-Rings and extra parts that may not be needed to service this model.
QTY
QTY
PART NO.
ITEM DESCRIPTION(Size in Inches)
PART NO.
[MTL]
ITEM DESCRIPTION(Size In Inches)
[MTL]
101 Motor Body (666D0X, D2X)
Motor Body (666D1X, D3X)
V102 O-Ring (1 O.D.)
(1) 98725-1
(1) 98719-1
(1) Y325-24
(1) 98718-1
(2) Y145-26
(8) 93860
[A]
[CI]
[B]
V116 Spacer (666D0X, D2X)
Spacer (666D1X, D3X)
n117 Gasket
(1) 92006
[A]
[SS]
[B/NY]
[C]
(1) 93048
(1) 92004
V103 Sleeve
[BZ]
[C]
118 Pilot Rod
(1) 93309-2
(4) 93075
n104 Retaining Ring, TruArc (.925 I.D.)
105 Screw/Washer (1/4-20 x 5/8)
106 Washer (Included With (105)
107 Plate
n119 O-Ring (3/4 O.D.)
120 Spacer
[U]
[C]
(3) 115959
(2) 98723-2
(2) Y330-110
(4) Y154-41
(1) Y227-5
(1) Y43-5-C
(1) Y17-50-C
(1) 93139
[Z]
-- -------
(2) 93707-1
(1) 92878
---
[SS]
[B/NY]
[D]
121 Sleeve Bushing
n122 O-Ring (1/2 O.D.)
n123 Screw (8-32 x 3/8)
126 Plug
[BZ]
[B]
n108 Gasket (With Notch)
V109 Piston
[C]
(1) 92011
[C]
n110 U-Cup (1-3/8 O.D.)
V111 Spool (666D0X, D2X)
Spool (666D1X, D3X)
(1) Y186-51
(1) 92005
[B]
127 Elbow
[C]
[A]
128 Plug
[C]
(1) 93047
[C]
201 Muffler
[P]
V112 Washer (1.557 O.D.)
n113 O-Ring (Small) (1-1/4 O.D.)
n114 O-Ring (Large) (1-9/16 O.D.)
V115 Spacer
(5) 92877
[Z]
n
n
Keylube, O-Ring Lubricant
10 Pak of Keylube (Available)
(1) 93706-1
637175
(5) Y325-214
(6) Y325-126
(4) 92876
[B]
[B]
Service Kits include: Y212-101 (2) Screws (10-32 x 1/4) used on units mf'd
between 8/90 and 4/92 to retain the pilot bushing.
[Z]
n
Parts Y145-26 (1.156 I.D) (Qty. 2) Retaining Rings are included in the
AIR MOTOR SECTION SERVICE
Service is divided into two parts - 1.Pilot Valve, 2.Major Valve.
Service Kit for the repair of larger pumps.
MATERIAL CODE
[CI] = Cast Iron
[D] = Acetal
[N] = Neoprene
[NY]=Nylon
GSENAEiRr AMLoRtoErASSeScEtiMonBLSYeNrvOicTeESis: continued from Fluid Section repair.
[A] = Aluminum
[B] = Buna ~N"
[BZ]=Bronze
[P] = Polypropylene
[U] = Polyurethane
[SS] = Stainless Steel
[Z] = Zinc
[C] = Carbon Steel
S
Inspect and replace old parts with new parts as necessary. Look for
deep scratches on metallic surfaces, and nicks or cuts in ``O"rings.
S
S
S
Take precautions to prevent cutting ``O"rings upon installation.
Lubricate ``O"rings with Key-lube or equivalent.
MAJOR
1. Remove (107) plate, (108) and (117) gaskets.
V
ALVE REASSEMBL
Y
Do not over-tighten fasteners, refer to torque specification block
on view.
2. On the side opposite the air inlet, push on the inner diameter (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) washers, etc.
Check for damaged ``O"rings.
S
Re-torque fasteners following restart.
PILOT
1. Remove (104) retaining ring.
V
ALVE DISASSEMBL
Y
2. Remove (123) screws, (122) ``O"rings.
MAJOR
VALVE REASSEMBL
Y
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"ring.
1. Replace (112) washer, (114) ``O"ring, (113) ``O"ring onto (115)
spacer and insert etc.
NOTE: Be careful to orient spacer legs away from blocking
internal ports.
PILOT
V
ALVE REASSEMBL
Y
2. Lubricate and carefully insert (111) spool.
3. Install (117) gasket and (107).
1. Replace (102) ``O''ring if worn or damaged and reinstall (103)
sleeve.
4. Lubricate and install (110) packing cup and insert (109) piston into
(air inlet side) cavity, the (110) packing cup lips should point outĆ
ward.
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.
5. Install (108) gasket and replace (107).
V``Smart Parts" Keep these items on hand in addition to the Service Kits for fast repair and reduction of down time.
PAGE 6 OF 8
666DXX-X-C
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AIR MOTOR SECTION
IMPORTANT
BE CERTAINTO ORIENT (115) SPACER LEGS
AWAY FROM BLOCKING INTERNAL PORTS
WHEN REASSEMBLING AIR SECTION.
MAJOR VALVE
See cross section detail Figure 3.
117
107
116
106
.105
122 k
127
MAJOR VALVE CROSS SECTIONDETAIL
114k
109 110k
113k
112
115
111
116
. TORQUE REQUIREMENTS ,
(105) 40-50 in. lbs., apply Loctite Nickel Antiseize to threads.
NOTE: DO NOT OVERTIGHTEN FASTENERS
LUBRICATION / SEALANTS
k
Apply Keylube to all O-rings, U-Cups & mating parts.
z Apply Loctite 271 to threads.
Z Apply pipe sealant to threads.
FIGURE 3
PAGE 7 OF 8
666DXX-X-C
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TROUBLE SHOOTING
Product discharged from exhaust outlet.
S Check for diaphragm rupture.
Low output volume, erratic flow, or no flow.
S Check air supply.
S Check tightness of diaphragm nut.
S Check for plugged outlet hose.
S Check for kinked (restrictive) outlet material hose.
S Check for kinked (restrictive) or collapsed inlet material hose.
Air bubbles in product discharge.
S Check connectionsof suction plumbing.
S Check ``O"ringsbetween intake manifold an fluid caps.
S Check tightness of diaphragm nut.
S Check for pump cavitation - suction pipe should be sized at least
aslarge asthe 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.
S Check all jointson the inlet manifoldsand suction connections.
These must be air tight.
S Inspect the pump for solid objects lodged in the diaphragm chamĆ
ber or the seat area.
DIMENSIONAL DATA
(Dimensions shown are for reference only, they are displayed in inches and millimeters (mm).
INSTALLATION NOTE: THIS IS A DOWN-FLOWING PUMP, THE MATERIAL INLET IS ON THE TOP OF THE PUMP
13-1/4
(337 mm)
MATERIAL
INLET
11.500
(292 mm)
2'' 14-1/2 NPT
666D0X-,D1X-
2'' 14 BSP
666D2X-,D3X-
19-7/8
(505 mm)
AIR INLET
1/2-14 N.P.T.
24-3/4
(629 mm)
EXHAUST
3/4-14 N.P.T.
3-3/8
(86 mm)
13/32 SLOT
(10 mm)
10
(254 mm)
10-7/8
(276 mm)
12
(305 mm)
12-7/8
(327 mm)
FIGURE 4
PN 97999-068
666DXX-X-C
PAGE 8 OF 8
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