Ingersoll-Rand ARO 66615 Series Operator's Manual
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Ingersoll-Rand ARO 66615 Series Operator's Manual

1-1/2” diaphragm pump
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OPERATOR'S MANUAL
INCLUDING: OPERATION, INSTALLATION AND MAINTENANCE
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,
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 the Model Description Chart to match the pump ma-
terial options.
637118-C for air section repair (see page 8).
637124-XX for fluid section repair (see page 5).
637155 Abrasion Resistant Conversion Kit is available for use
in heavy and abrasive material applications (see page 5).
PUMP DATA
Models . . . . . . . . See "Model Description Chart" for "-XXX"
Pump Type . . . . . Metallic Air Operated Double Diaphragm
Material . . . . . . . See"Model Description Chart"
Weight
Aluminum . . . . . . . . . . . . . . . . . . . . 51.54 lbs (23. 4 kgs)
Cast Iron . . . . . . . . . . . . . . . . . . . . . . 79.54 lbs (36.1 kgs)
Stainless Steel . . . . . . . . . . . . . . . . . 77.5 lbs (35.15 kgs)
Stainless Steel Flange models . . 88.73 lbs (40.25 kgs)
[add 23 lbs (10.4 kgs) for cast iron air motor section]
Maximum Air Inlet Pressure . . . . . 120 psig (8.3 bar)
Maximum Material Inlet Pressure 10 psig (0.69 bar)
Maximum Outlet Pressure . . . . . . . 120 psig (8.3 bar)
Maximum Flow
Rate (flooded inlet) . . . . . . . . . . . . . 90 gpm (340.7 lpm)
Displacement / Cycle @ 100 psig
Standard Diaphragm . . . . . . . . . . 0.64 gal. (2.42 lit.)
Composite PTFE Diaphgram . . . 0.40 gal. (1.52 lit.)
Maximum Particle Size . . . . . . . . . . 1/4" dia. (6.4 mm)
Maximum Temperature Limits (diaphragm / ball / seat
material)
Acetal . . . . . . . . . . . . . . . . . . . . . . -20º to 180º F (-29º to 82º C)
E.P.R . . . . . . . . . . . . . . . . . . . . . . . . -60º to 280º F (-51º to 138º C)
Hytrel® . . . . . . . . . . . . . . . . . . . . . -20º to 180º F (-29º to 82º C)
PVDF . . . . . . . . . . . . . . . . . . . . . . . 10º to 200º F (-12º to 93º C)
Neoprene . . . . . . . . . . . . . . . . . . 0º to 200º F (-18º to 93º C)
Nitrile . . . . . . . . . . . . . . . . . . . . . . 10º to 180º F (-12º to 82º C)
Polypropylene . . . . . . . . . . . . . . 32º to 175º F (0º to 79º C)
Polyurethane . . . . . . . . . . . . . . . -10º to 150º F (-23º to 66º C)
PTFE . . . . . . . . . . . . . . . . . . . . . . . 40º to 225º F (4º to 107º C)
Composite PTFE . . . . . . . . . . . . 14º to 194º F (-10º to 90º C)
Santoprene® . . . . . . . . . . . . . . . -40º to 225º F (-40º to 107º C)
Viton® . . . . . . . . . . . . . . . . . . . . . -40º to 350º F (-40º to 177º C)
Dimensional Data . . . . . . . . . . . . . See page 10 and 11
Noise Level @
70
psig
- 60 cpm
. . . . . . . . . . . . .
Tested with 350-568 muffler installed.
The pump sound pressure levels published here have been updated to an Equivalent Contin-
uous Sound Level (LA
) to meet the intent of ANSI S1.13-1971, CAGI-PNEUROP S5.1 using four
eq
microphone locations.
NOTICE: All possible options are shown in the chart . However, certain combina-
tions may not be recommended, consult a representative or the factory if you
have questions concerning availability .
INGERSOLL RAND COMPANY INC
209 NORTH MAIN STREET - BRYAN, OHIO 43506
(800) 495-0276
FAX (800) 892-6276
arozone.com
1-1/2" DIAPHRAGM PUMP
1:1 RATIO (METALLIC)
OPERATING OR SERVICING THIS EQUIPMENT.
80.5 dB(A)
© 2023
CCN 81660219
66615X-X-C
RELEASED:
REVISED:
(REV: AM)
66615X-XXX-C
1-1/2" DIAPHRAGM PUMP
ALUMINUM / CAST IRON PUMP
STAINLESS STEEL PUMP
STAINLESS STEEL
FLANGE MODEL PUMP
Figure 1
5-31-88
3-31-23

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Summary of Contents for Ingersoll-Rand ARO 66615 Series

  • Page 1 OPERATOR’S MANUAL 66615X-X-C INCLUDING: OPERATION, INSTALLATION AND MAINTENANCE RELEASED: 5-31-88 1-1/2” DIAPHRAGM PUMP REVISED: 3-31-23 (REV: AM) 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 66615X-XXX-C Refer to the Model Description Chart to match the pump ma-...

  • Page 2: Model Description Chart

    MODEL DESCRIPTION CHART 6661 X CENTER BODY MATERIAL Aluminum, NPTF 6 - Cast Iron, NPTF 7 - Aluminum, BSP 8 - Cast Iron, BSP L - Aluminum, FLANGE FLUID CAP / MANIFOLD MATERIAL (Steel Hardware) 0 - Aluminum 1 - Stainless Steel 2 - Cast Iron (Stainless Steel Hardware) A - Aluminum...

  • Page 3: Operating And Safety Precautions

    OPERATING AND SAFETY PRECAUTIONS READ, UNDERSTAND, AND FOLLOW THIS INFORMATION TO AVOID INJURY AND PROPERTY DAMAGE . HAZARDOUS MATERIALS . Can cause se- WARNING EXCESSIVE AIR PRESSURE HAZARDOUS MATERIALS rious injury or property damage . Do not attempt to STATIC SPARK HAZARDOUS PRESSURE return a pump to the factory or service center that contains hazardous material .

  • Page 4: General Description

    GENERAL DESCRIPTION FLUID SECTION DISASSEMBLY The ARO diaphragm pump offers high volume delivery even at 1. Remove top manifold(s). low air pressure and a broad range of material compatibility 2. Remove (22) balls, (19) “O” rings and (21) seats. options available. Refer to the model and option chart. ARO 3.
  • Page 5 PARTS LIST / 66615X-X-C FLUID SECTION  637124-XX Fluid Section Service Kits include: BALLS (see Ball Option, refer to -XX in chart below), DIAPHRAGMS (see Diaphragm Option, refer to -XX in chart below), 94276 Lubriplate® FML-2 packet, plus items: 2, 3, 9 and 19. MATERIAL CODE SEAT OPTIONS [A] = Aluminum...
  • Page 6 6661X0, 1X2, 1XA and 1XC PARTS LIST / FLUID SECTION COLOR CODE ) TORQUE REQUIREMENTS( Diaphragm Ball NOTE: DO NOT OVERTIGHTEN FASTENERS. Material color Color (14) Diaphragm screw, 65 - 70 ft lbs (88.1 - 94.9 Nm.). Acetal Orange (26) Bolts, 240 - 280 in. lbs (27.1 - 31.6 Nm). E.P.R.
  • Page 7 6661X1, 1XB and 1LE PARTS LIST / FLUID SECTION 61 (6661LE) COLOR CODE TORQUE REQUIREMENTS Diaphragm Ball NOTE: DO NOT OVERTIGHTEN FASTENERS. Material color Color (14) Diaphragm screw, 65 - 70 ft lbs (88.1 - 94.9 Nm.). Acetal Orange (26) Bolts, 240 - 280 in. lbs (27.1 - 31.6 Nm). E.P.R.

  • Page 8: Air Motor Section Service

    PARTS LIST / 66615X-X-C AIR SECTION  Indicates parts included in 637118-C Air Section Service Kit . 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 other parts that may not be needed to service this model .
  • Page 9 PARTS LIST / 66615X-X-C AIR SECTION œ114 œ113 MAJOR VALVE See cross section detail, gure 5. IMPORTANT BE CERTAIN TO ORIENT (115) SPACER LEGS AWAY FROM BLOCKING INTERNAL PORTS WHEN REASSEMBLING AIR SECTION. ‹195A „ 195A ‹ 102œ ‹195B 103œ PILOT VALVE 119œ...

  • Page 10: Troubleshooting

    TROUBLESHOOTING Product discharged from exhaust outlet . Check for kinked (restrictive) or collapsed inlet material Check for diaphragm rupture. hose. Check tightness of (14) diaphragm screw. Check for pump cavitation - suction pipe should be sized Air bubbles in product discharge . at least as large as the inlet thread diameter of the pump Check connections of suction plumbing.
  • Page 11 DIMENSIONAL DATA - 6661X1 and 1XB 14.50" (368 mm) 13.31" (337 mm) 11.50" (292 mm) Material Outlet 1-1/2 - 11-1/2 NPTF (66615X, 66616X) 1-1/2 - 11 BSP (66617X, 66618X) Air Inlet 1/2-14 NPTF-1 18.37" (467 mm) 19.62" (498 mm) Air Exhaust Thread 3/4-14 NPTF-1 7.62"...
  • Page 12 PN 97999-96 Page 12 of 12 66615X-X-C (en)

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