Ingersoll-Rand ARO 66625 Series Operator's Manual
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Ingersoll-Rand ARO 66625 Series Operator's Manual

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 Model Description Chart to match the pump materi-
al options.
637434 for air section repair (see page 8).
637432-XXX for fluid section repair with seats (see page 5).
637432-XX for fluid section repair without seats (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
6662X0-XXX-C . . . . . . . . . . . . . . . . . . . . . 65.15 lbs (29.55 kgs)
6662X1-XXX-C . . . . . . . . . . . . . . . . . . . . . 125.44 lbs (56.9 kgs)
6662X2-XXX-C . . . . . . . . . . . . . . . . . . . . . 124.30 lbs (56.38 kgs)
6662XA-XXX-C . . . . . . . . . . . . . . . . . . . . 65.15 lbs (29.55 kgs)
6662XB-XXX-C. . . . . . . . . . . . . . . . . . . . . 125.44 lbs (56.9 kgs)
6662XC-XXX-C. . . . . . . . . . . . . . . . . . . . . 124.30 lbs (56.38 kgs)
66662GE-XXX-C . . . . . . . . . . . . . . . . . . . 147.15 lbs (66.75 kgs)
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) . . 172 gpm (651.0 lpm)
Displacement / Cycle @ 100psi
Standard Diaphragm . . . . . . . . . . . . . . . . . 1.35 gal (5.12 lit)
Composite PTFE Diaphragm . . . . . . . . . . 0.86 gal (3.3 lit)
Maximum Particle Size . . . . . . . . . . . . . . . 1/4" dia. (6.4 mm)
Maximum Temperature Limits (diaphragm / ball / seal / seat
material)
E.P.R. / EPDM . . . . . . . . . . . . . . . . . . . -60° to 280° F (-51° to 138° C)
Hytrel® . . . . . . . . . . . . . . . . . . . . . . . . . -20° to 180° F (-29° to 82° C)
PVDF . . . . . . . . . . . . . . . . . . . . . . . . . . . 10° to 200° F (-12° to 93° 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 10 and 11
Noise Level @ 70 psig, 60 cpm
 Tested with 94810 muffler assembly installed.
 The pump sound pressure levels published here have been updated to
an Equivalent Continuous Sound Level (LA
S1.13-1971, CAGI-PNEUROP S5.1 using four microphone locations.
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.
INGERSOLL RAND COMPANY INC
209 NORTH MAIN STREET - BRYAN, OHIO 43506
(800) 495-0276
FAX (800) 892-6276
arozone.com
2" DIAPHRAGM PUMP
1:1 RATIO (METALLIC)
OPERATING OR SERVICING THIS EQUIPMENT.
. . . . . . . . 85.3 dB(A)
) to meet the intent of ANSI
eq
© 2023
CCN 15242647
66625X-XXX-C
RELEASED:
REVISED:
(REV: T)
THREAD MODELS
FLANGE MODELS
Figure 1
3-13-06
3-31-23

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Summary of Contents for Ingersoll-Rand ARO 66625 Series

  • Page 1 OPERATOR’S MANUAL 66625X-XXX-C INCLUDING: OPERATION, INSTALLATION AND MAINTENANCE RELEASED: 3-13-06 REVISED: 3-31-23 2" DIAPHRAGM PUMP (REV: T) 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 materi- al options.

  • Page 2: Model Description Chart

    MODEL DESCRIPTION CHART 6662 X CENTER BODY MATERIAL / FLUID CONNECTION Aluminum / 2 - 11-1/2 NPTF - 2 7 - Aluminum / Rp 2 (2 - 11 BSP parallel) G - Aluminum, FLANGE FLUID CAP AND MANIFOLD MATERIAL / HARDWARE 0 - Aluminum / Carbon steel 1 - Stainless Steel / Carbon Steel 2 - Cast Iron / Carbon Steel...

  • Page 3: Operating And Safety Precautions

    OPERATING AND SAFETY PRECAUTIONS READ, UNDERSTAND AND FOLLOW THIS INFORMATION TO AVOID INJURY AND PROPERTY DAMAGE. hazardous material. Safe handling practices must EXCESSIVE AIR PRESSURE HAZARDOUS MATERIALS comply with local and national laws and safety code STATIC SPARK HAZARDOUS PRESSURE requirements.
  • Page 4 Loctite® is a registered trademark of Henkel Corporation y Santoprene® is a registered trademark of Celanese y y ARO® is a registered trademark of Ingersoll-Rand Company y 262™, 271™ and 572™ are trademarks of Henkel Corporation y Page 4 of 12...
  • Page 5 PARTS LIST / 6662XX-XXX-C FLUID SECTION Fluid Section Service Kits (637432-XXX OR 637432-XX) For Fluid Kits With Seats:  637432-XXX Fluid Section Service Kits include: Seats (see SEAT Option, refer to -XXX in chart below), Balls (see BALL Option, refer to -XXX in chart below), Diaphragms (see DIAPHRAGM Option, refer to -XXX in chart below), 94276 Lubriplate®...
  • Page 6 PARTS LIST / 6662XX-XXX-C FLUID SECTION HARDWARE OPTIONS 6662XX-XXX-C Carbon Steel Stainless Steel 6662XA-XXX-C 6662X0-XXX-C 6662XB-XXX-C 6662X1-XXX-C 6662XC-XXX-C 6662X2-XXX-C 6662GE-XXX-C Item Description Qty Part No. Mtl Part No. (size) Washer 48497390 48497390 (air side) (6662XX-XX6-C)  5 96503 94357-2 [SS] (other models) 26 Screw 94409-1...
  • Page 7 PARTS LIST / 6662XX-XXX-C FLUID SECTION 61 (6662GE-XXX-C) COLOR CODE Diaphragm Ball Material Color Color Hytrel Cream Cream Nitrile Black Red (•) Santoprene Santoprene Green* N / A (backup) PTFE White White (-) Stripe (•) Dot * See item 8 in inset below. FOR THE AIR MO- Torque Sequence TOR SECTION, SEE...

  • Page 8: Pilot Valve Disassembly

    PARTS LIST / 6662XX-XXX-C AIR MOTOR SECTION  Indicates parts included in 637434 air section service kit. AIR MOTOR PARTS AIR MOTOR PARTS Item Description Qty Part No. Item Description Qty Part No. (size) (size) 101 Motor Body (1) 96374 ...
  • Page 9 PARTS LIST / 6662XX-XXX-C AIR MOTOR SECTION IMPORTANT BE CERTAIN TO ORIENT (115) SPACER LEGS AWAY FROM BLOCK- ING INTERNAL PORTS WHEN REASSEMBLING AIR SECTION. MAJOR VALVE gure 4. 195A 195A 195B PILOT VALVE MAJOR VALVE CROSS SECTION DETAIL Figure 3 112 114 111 115 ASSEMBLY TORQUE REQUIREMENTS...

  • Page 10: Troubleshooting

    TROUBLESHOOTING Product discharged from exhaust outlet. Low output volume, erratic flow or no flow. Check for diaphragm rupture. Check air supply. Check tightness of (14) diaphragm screw. Check for plugged outlet hose. Check for kinked (restrictive) outlet material hose. Air bubbles in product discharge. Check for kinked (restrictive) or collapsed inlet material hose.

  • Page 11: Dimensional Data

    DIMENSIONAL DATA 6662GE-XXX-C 3.20” 17.98” (457 mm) (81 mm) .78” (20 mm) Material Outlet 8.99” (228 mm) .07” (1.7 mm) 2" Hybrid ANSI / DIN / JIS RF Flange Ø 6.49” Ø 3.93” (165 mm) (100 mm) Ø 13” (330 mm) 29.40”...
  • Page 12 PN 97999-1155 Page 12 of 12 66625X-XXX-C (en)

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