Ingersoll Rand Water Pump 66M2X0 XXX C User Manual

OPERATOR’S MANUAL  
66M2X0-XXX-C  
RELEASED: 10-22-08  
INCLUDING: OPERATION, INSTALLATION & MAINTENANCE  
REVISED:  
(REV. 03)  
2-16-09  
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 material op-  
tions.  
637434 for air section repair (see page 6).  
637468-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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74.15 lbs (33.63 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)  
Maximum Flow Rate (flooded inlet) . . . 156 g.p.m. (590.5 l.p.m.)  
Displacement / Cycle @ 100 p.s.i.g. . . . . 1.02 gal. (3.86 lit.)  
Maximum Particle Size . . . . . . . . . . . . . . . . 3/4dia. (19.1 mm)  
Maximum Temperature Limits (diaphragm / ball / seal material)  
Figure 1  
E.P.R. / EPDM . . . . . . . . . . . . . . . . . . . -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)  
Viton®. . . . . . . . . . . . . . . . . . . . . . . . . . -40° to 350° F (-40° to 177° C)  
Dimensional Data. . . . . . . . . . . . . . . . . . . . . . see page 8  
MODEL DESCRIPTION CHART  
66M2 X 0 - X X X - C  
Center Body Material / Fluid Connection  
Noise Level @ 70 p.s.i., 60 c.p.m. . . . . . . 85.3 db(A)  
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5
7
-
-
Aluminum / 2 - 11-1/2 NPTF - 2  
Noise Level @ 70 p.s.i., 60 c.p.m. . . . . . . 105.3 db(A)  
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Aluminum / Rp 2 (2 - 11 BSP parallel)  
Tested with 94810 muffler assembly installed.  
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Fluid Cap & Manifold Material / Hardware  
Aluminum / Carbon steel  
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.  
Tested with 97116 housing and 97110-2 ball installed. Hearing protec-  
tion is recommended when operating this product.  
0
-
Seat Material  
Aluminum  
1
-
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Ball Material  
Nitrile  
C - Hytrel  
Santoprene  
2
-
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.  
E
-
Diaphragm Material  
2
9
-
-
Nitrile  
Hytrel  
B - Santoprene  
Fluid Section Service Kit Selection  
66M2X0 - X X X - C  
637468 - X X  
Example: Model #66M250-1EB-C  
Fluid Section Service Kit # 637468-EB  
Ball  
Diaphragm  
INGERSOLL RAND COMPANY LTD  
P.O. BOX 151 ONE ARO CENTER BRYAN, OHIO 43506-0151  
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© 2009  
CCN 15321508  
(800) 276-4658 FAX (800) 266-7016  
fluids.ingersollrand.com  
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GENERAL DESCRIPTION  
MAINTENANCE  
The ARO diaphragm pump offers high volume delivery even at low  
air pressure and a broad range of material compatibility 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 differen-  
tial 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.  
Pump cycling will begin as air pressure is applied and will continue  
to pump and keep up with the demand. It will build and maintain  
line pressure and will stop cycling once maximum line pressure is  
reached (dispensing device closed) and will resume pumping as  
needed.  
Refer to the part views and descriptions as provided on pages 4  
through 7 for parts identification and service kit information.  
Certain ARO “Smart Parts” are indicated which should be avail-  
able for fast repair and reduction of down time.  
Service kits are divided to service two separate diaphragm  
pump functions: 1. AIR SECTION, 2. FLUID SECTION. The Fluid  
Section is divided further to match typical part Material Op-  
tions.  
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Provide a clean work surface to protect sensitive internal mov-  
ing parts from contamination from dirt and foreign matter dur-  
ing service disassembly and reassembly.  
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Keep good records of service activity and include the pump in  
preventive maintenance program.  
Before disassembling, empty captured material in the outlet  
manifold by turning the pump upside down to drain material  
from the pump.  
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AIR AND LUBE REQUIREMENTS  
WARNING EXCESSIVE AIR PRESSURE. Can cause pump dam-  
age, personal injury or property damage.  
FLUID SECTION DISASSEMBLY  
A filter capable of filtering out particles larger than 50 microns  
should be used on the air supply. There is no lubrication re-  
quired 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 “Orings and seals in the air motor section of the pump.  
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1. Remove top manifold(s).  
2. Remove (22) balls, (19) “Orings and (21) seats.  
3. Remove (15) fluid caps.  
4. Remove the (14) screw, (6) washer, (7) diaphragm and (5) wash-  
er.  
NOTE: Do not scratch or mar the surface of (1) diaphragm rod.  
OPERATING INSTRUCTIONS  
FLUID SECTION REASSEMBLY  
Always flush the pump with a solvent compatible with the ma-  
terial being pumped if the material being pumped is subject to  
“setting upwhen not in use for a period of time.  
Disconnect the air supply from the pump if it is to be inactive  
for a few hours.  
The outlet material volume is governed not only by the air sup-  
ply, 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.  
When the diaphragm pump is used in a forced-feed (flooded  
inlet) situation, it is recommended that a “check valve” be in-  
stalled at the air inlet.  
Secure the diaphragm pump legs to a suitable surface to insure  
against damage by vibration.  
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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 installa-  
tion of (2) “Oring on (1) diaphragm rod.  
Be certain (7) diaphragms align properly with (15) fluid caps be-  
fore making final torque adjustments on bolt and nuts to avoid  
twisting the diaphragms.  
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Re-check torque settings after the pump has been re-started  
and run a while.  
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Hytrel® and Viton® 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 Henkel Loctite Corporation  
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66M2X0-XXX-C (en)  
Page 3 of 8  
 
PARTS LIST / 66M2X0-XXX-C FLUID SECTION  
637468-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 and 19 (listed below) plus 93706-1 Key-Lube grease packet (page 6).  
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MATERIAL CODE  
SEAT OPTIONS  
66M2X0-XXX-C  
BALL OPTIONS  
66M2X0-XXX-C  
[A] = Aluminum  
[B] = Nitrile  
[C] = Carbon Steel  
[Co] = Copper  
[E] = E.P.R.  
(2” diameter)  
“22”  
“21”  
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-XXX Seat  
-1XX 97068  
Qty Mtl  
(4) [A]  
-XXX Ball  
Qty Mtl  
[H] = Hytrel  
-X2X 95826-2  
-XCX 95826-C  
-XEX 95826-A  
(4)  
(4)  
[B]  
[H]  
[Sp] = Santoprene  
[SS] = Stainless Steel  
[V] = Viton  
(4) [Sp]  
DIAPHRAGM OPTIONS 66M2X0-XXX-C  
(1/8” x 3-5/8” o.d.)  
“19”  
Service kit  
“7”  
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-XX = (Ball)  
-XXX -XX = (Diaphragm)  
Diaphragm  
Qty  
Mtl “O” Ring  
[B] Y325-237  
[H] Y327-237  
[Sp] 94356  
Qty  
(4)  
(4)  
(4)  
Mtl  
[B]  
[V]  
[E]  
-XX2 637468-X2  
-XX9 637468-X9  
-XXB 637468-XB  
96391-G  
96391-C  
96391-A  
(2)  
(2)  
(2)  
COMMON PARTS  
(size)  
(size)  
Item Description  
Qty Part No.  
(1) 97071  
Mtl  
[C]  
Item Description  
Qty Part No.  
Mtl  
1
2
5
6
9
Rod  
Outlet manifold  
61  
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(3/32” x 1” o.d.)  
(models 66M250-XXX-C, NPTF)  
“O” Ring  
(1) Y330-117 [B]  
(1) 96375-1  
(1) 96375-2  
(2) 96576  
(1) 97063  
(1) 97064  
(4) 97060  
(4) 97059  
(4) 96756  
(6) 96741  
(2) 97057  
(4) 97055  
[A]  
[A]  
[A]  
[A]  
[A]  
[C]  
[C]  
[C]  
[C]  
[C]  
[C]  
(air side)  
(models 66M270-XXX-C, BSP)  
Washer  
Washer  
Washer  
(2) 96503  
(2) 96503  
(2) 93065  
[A]  
[A]  
(fluid side)  
(0.630” i.d.)  
182 Side Screen  
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[SS]  
183 Top Plate Screen  
184 Base Plate Screen  
(5/8” - 18 x 2-1/2”)  
14 Screw  
15 Fluid Cap  
(2) Y5-111-T [SS]  
(M10 x 1.5 - 6h)  
(2) 96377  
(8) 94409-1  
(20) 94990-1  
(20) 94992-1  
(1) 93004  
[A]  
[C]  
185 Lock Nut  
(M10 x 1.5 - 6g x 34 mm)  
(M10 x 1.5 - 6g x 35 mm)  
26 Screw  
27 Screw  
186 Button Head Screw  
(M10 x 1.5 - 6g x 45 mm)  
(M10)  
[C]  
187 Washer  
(M10 x 1.5 - 6h)  
(M10 x 1.5 - 6g x 25 mm)  
29 Nut  
[C]  
188 Button Head Screw  
280 Handle  
(see page 7)  
43 Ground Lug  
[Co]  
Inlet manifold  
281 Bracket  
60  
(models 66M250-XXX-C, NPTF)  
(1) 96376-1  
(1) 96376-2  
[A]  
[A]  
(models 66M270-XXX-C, BSP)  
“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  
66M2X0-XXX-C (en)  
 
PARTS LIST / 66M2X0-XXX-C FLUID SECTION  
COLOR CODE  
3
2
1
4
Diaphragm  
Color  
Ball  
Material  
Color  
5
7
8
6
Hytrel  
Nitrile  
Cream  
Black  
Tan  
Cream  
Red (•)  
Santoprene  
Tan  
(•) Dot  
9
10  
61  
26  
FOR THE AIR MO-  
TOR SECTION, SEE  
PAGES 6 & 7.  
281  
280  
Torque Sequence  
5
7
14  
22  
21  
19  
27  
29  
2
1
183  
188  
15  
6
9
22  
21  
19  
182  
60  
26  
186  
188  
184  
Figure 2  
182 187 186 185  
ASSEMBLY TORQUE REQUIREMENTS  
NOTE: DO NOT OVERTIGHTEN FASTENERS.  
ALL FASTENERS ARE METRIC.  
)
(
(14) screw, 65 - 70 ft lbs (88.1 - 94.9 Nm).  
(26) screw, 30 - 40 ft lbs (40.7 - 54.2 Nm).  
(27) screw, 30 - 40 ft lbs (40.7 - 54.2 Nm).  
LUBRICATION / SEALANTS  
Apply Key-Lube grease to all “O” rings, “U” cups and mating parts.  
Apply Loctite® 271™ to threads.  
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66M2X0-XXX-C (en)  
Page 5 of 8  
 
PARTS LIST / 66M2X0-XXX-C AIR MOTOR SECTION  
Indicates parts included in 637434 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) 96374  
(2) Y325-24  
(1) 94528  
(2) Y145-26  
(8) 93860  
(2) 96424  
(1) 96426  
(1) 96422  
(1) Y186-55  
(1) 96421  
(5) 93251  
(5) Y325-222  
(6) Y325-134  
(4) 93250  
(1) 96420  
(1) 96425  
(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]  
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(#8 - 32 x 3/8”)  
[D]  
123 Screw  
(4) Y154-41  
(1) Y227-6-L  
(1) Y27-7-C  
(1) 96451  
(1-5/32” i.d.)  
(3/4 - 14 PTF x 17/32”)  
104 Retaining Ring  
105 Screw / Lockwasher  
107 Plate  
[C]  
126 Pipe Plug  
(1/4” - 20 x 5/8”)  
(1-1/4 - 11-1/2 NPT x 1-5/8”)  
[C]  
127 Nipple  
(1-1/4 - 11-1/2 NPT x 1-1/2 -  
127 Pipe Fitting  
[C]  
[SS]  
[B/Ny]  
[D]  
11-1/2 NPT) (optional) (not shown)  
(1/8 - 27 PTF x 1/4”)  
(with notch)  
108 Gasket  
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109 Piston  
128 Pipe Plug  
(1) Y227-2-L  
(2) 94987  
(1) 94987-1  
(1) 97116  
(1) 67389  
[C]  
[SS]  
[SS]  
[A]  
(3/16” x 2-1/8” o.d.)  
(1/4” - 20 x 1/4”)  
(1/4” - 20 x 3/8”)  
110 “U” Cup  
111 Spool  
[B]  
197 Button Head Screw  
198 Button Head Screw  
[A]  
(2.055” o.d.)  
112 Washer  
113 “O” Ring  
114 “O” Ring  
115 Spacer  
116 Spacer  
117 Gasket  
[GPS]  
[B]  
201 Exhaust Check Housing  
(includes item 127) (optional)  
(1/8” x 1-3/4” o.d.)  
(3/32” x 2-1/16” o.d.)  
201 Muffler Kit  
(not shown)  
[B]  
(1.500” diameter)  
[GPS]  
[D]  
282 Ball  
(1) 97110-2  
[B]  
[B/Ny]  
[C]  
Key-Lube “O” Ring Lubricant  
(1) 93706-1  
(10) 637175  
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118 Pilot Rod  
119 “O” Ring  
120 Spacer  
10 Pak of Key-Lube  
(1/8” x 3/4” o.d.)  
[U]  
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“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.  
[GPS] = Glass filled Polyphenylene Sulfide  
3. Carefully push (118) pilot rod into bushings etc. and retain on  
each end with the two (122) “Orings. 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:  
MAJOR VALVE DISASSEMBLY  
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.  
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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 “Orings.  
Take precautions to prevent cutting “Orings upon installation.  
Lubricate “Orings with Key-Lube.  
Do not over-tighten fasteners. Refer to torque specification  
block on view.  
Re-torque fasteners following restart.  
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PILOT VALVE DISASSEMBLY  
MAJOR VALVE REASSEMBLY  
1. Remove (104) retaining ring.  
1. Replace (112) washer, (114)Oring and (113)Oring 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.  
2. Remove (123) screws and (122) “Orings.  
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) “Orings.  
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  
66M2X0-XXX-C (en)  
 
PARTS LIST / 66M2X0-XXX-C AIR MOTOR SECTION  
IMPORTANT  
111  
BE CERTAIN TO ORIENT (115)  
SPACER LEGS AWAY FROM BLOCK-  
ING INTERNAL PORTS WHEN  
REASSEMBLING AIR SECTION.  
105  
107  
117  
114  
115  
114  
116  
113  
112  
MAJOR VALVE  
See cross section detail, figure 4.  
201  
282  
127  
101  
128  
Figure 3  
126  
104  
121  
197  
102  
103  
104  
ꢃꢄ 123  
108  
107  
105  
109  
110  
PILOT VALVE  
119  
198  
121  
43  
123 ꢁꢃ  
197  
118  
122  
MAJOR VALVE CROSS SECTION DETAIL  
120  
109 110  
112 114  
111 115 113  
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  
Apply Key-Lube grease to all “O” rings, “U” cups and mating  
parts.  
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Apply Loctite 271 to threads.  
Apply Loctite 262™ to threads.  
Apply Loctite 572™ to threads.  
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f
g
Figure 4  
66M2X0-XXX-C (en)  
Page 7 of 8  
 
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.  
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  
volume.  
Air bubbles in product discharge.  
Check connections of suction plumbing.  
Check “Orings between intake manifold and fluid caps.  
Check tightness of (14) diaphragm screw.  
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Check all joints on the inlet manifolds and suction connections.  
These must be air tight.  
Inspect the pump for solid objects lodged in the diaphragm  
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).  
M - Exhaust port  
L - Material outlet  
K - Air inlet  
B
A
E
C
D
H
J
G
F
DIMENSIONS  
- 13(330.2 mm)  
A - 17-15/16(455.1 mm)  
E
F
J
- 16-5/32(409.9 mm)  
B - 25-19/32(650.0 mm)  
C - 8-31/32(227.6 mm)  
D - 2(50.8 mm)  
- 10-1/16(255.6 mm)  
K - 3/4 - 14 NPTF - 2  
G - 26-23/32(678.2 mm)  
H - 25-3/32(637.3 mm)  
L
- see below  
M - 1-1/4 - 11-1/2 NPTF - 2  
L”  
66M250-XXX-C  
66M270-XXX-C  
2 - 11-1/2 NPTF - 2  
Rp 2 (2 - 11 BSP, parallel)  
Figure 5  
PN 97999-1400  
66M2X0-XXX-C (en)  
Page 8 of 8  
 

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