Ingersoll-Rand ARO 6662-C Series Operator'S Manual Download Page 1

INGERSOLL RAND COMPANY LTD

209 NORTH MAIN STREET – BRYAN, OHIO 43506

 (800) 495-0276 

 FAX (800) 892-6276 

© 2019 

CCN 99443517

arozone.com

OPERATOR’S MANUAL 

6662AX-X-C

INCLUDING: OPERATION, INSTALLATION AND MAINTENANCE

RELEASED: 5-3-88

REVISED: 5-31-19

(REV: Y)

2” DIAPHRAGM PUMP

1:1 RATIO (NON-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 material 

options.

637118-C

 for Air Section repair (see page 6).

637165-XXX

 for fluid section repair 

with

 seats (see page 4).

637165-XX

 for fluid section repair 

without

 seats (see page 4).

PUMP DATA

Models

  . . . . . . . . . . . . . . . . . . . . . . . . . . .  see Model Description

 Chart for “-XXX”.

Pump Type

  . . . . . . . . . . . . . . . . . . . . . . .

 

Non-Metallic Air

 Operated Double

 Diaphragm

Material

  . . . . . . . . . . . . . . . . . . . . . . . . . .  see Model

 Description Chart

Material Inlet / Outlet

  . . . . . . . . . . . .  2” ANSI Flange

Weight

Polypropylene . . . . . . . . . . . . . . . . .  62 lbs (28.1 kg)
PVDF (Kynar)  . . . . . . . . . . . . . . . . . .  92 lbs (41.7 kg)

[add 23 lbs (10.4 kgs) for cast iron air motor section]

Maximum Air Inlet Pressure

  . . . . .

 

120 psig (8.3 bar)

Maximum Outlet Pressure

  . . . . . . .

 

120 psig (8.3 bar)

Maximum Material Inlet Pressure  

10 psig (0.69 bar)

Maximum Flow Rate (flooded inlet)  

145 gpm (548.8 lpm)

Displacement / Cycle @ 100 psig

Standard Diaphragm  . . . . . . . . . .  0.72 gal (2.7 lit)

Composite PTFE Diaphragm  . . .  0.48 gal (1.8 lit)

Maximum Particle Size 

  . . . . . . . . . .  1/4” dia. (6.4 mm)

Maximum Temperature Limits (diaphragm / ball / seal material)

Polypropylene . . . . . . . . . . . . . . . . . 32

 to 175

F (0

 to 79

C)

PVDF

®

  . . . . . . . . . . . . . . . . . . . . . . . . . 10 

 to 200

 F  (-12

  to 93

 C)

 

Dimensional Data

  . . . . . . . . . . . . . . . .

 

see page 8

Noise Level 

@ 70 psig, 60 cpm

  . . .  77.7 dB(A)

 The pump sound pressure levels published here have been updated to an Equivalent 

Continuous Sound Level (LA

eq

) to meet the intent of ANSI S1.13-1971, CAGI-PNEUROP 

S5.1 using four microphone locations. 

Tested with 93139 Muffler installed.

NOTICE: All possible options are shown in the chart, how-

ever, certain combinations may not be recommended, 

consult a representative or the factory if you have ques-

tions concerning availability.

MODEL DESCRIPTION CHART

           

6662X X X X X C

6662XX  X  X  X   C

637165    X  X

DIAPHRAGM

BALL

FLUID SECTION SERVICE KIT SELECTION

 

 

EXAMPLE: MODEL # 6662A3-321-C

FLUID SECTION SERVICE KIT # 637165-21

   

    

 

SEAT

 

MATERIAL

  

 

 

 

 

  

 

BALL

 

MATERIAL

 

 

 

 

DIAPHRAGM

 

MATERIAL

   

   

  

CENTER

 

BODY

 

MATERIAL

 

A - Aluminium

3 - Polypropylene

4 - PVDF (Kynar®)

B - Cast Iron

2 - 316 Stainless Steel

3 - Polypropylene

4 - PVDF (Kynar®)

8 - 440 Stainless Steel

1 - Neoprene

2 - Nitrile

3 - Viton®

4 - PTFE

1 - Neoprene

2 - Nitrile

3 - Viton

4 - PTFE  / Santoprene       

9 - Hytrel®

B - Santoprene

 

FLUID

 

CAP

 / 

MANIFOLD

 

MATERIAL

 

 

 

8 - Polyurethane

C - Hytrel®

E - Santoprene®

6 - Composite PTFE

6662A3-XXX-C

Figure 1

Summary of Contents for ARO 6662-C Series

Page 1: ...w Rate flooded inlet 145 gpm 548 8 lpm Displacement Cycle 100 psig Standard Diaphragm 0 72 gal 2 7 lit Composite PTFE Diaphragm 0 48 gal 1 8 lit Maximum Particle Size 1 4 dia 6 4 mm MaximumTemperature Limits diaphragm ball seal material Polypropylene 32 to 175 F 0 to 79 C PVDF 10 to 200 F 12 to 93 C Dimensional Data see page 8 Noise Level 70 psig 60 cpm 77 7 dB A The pump sound pressure levels pub...

Page 2: ...service center that contains hazardous material Safe handling practices must comply with local and national laws and safety code requirements y y Obtain Material Safety Data Sheets on all materials from the supplier for proper handling instructions WARNING EXPLOSION HAZARD Models containing aluminum wetted parts cannot be used with 1 1 1 trichloroethane methylene chloride or other halogenated hydr...

Page 3: ...ntamination from dirt and foreign matter during service disassembly and reassembly y y Keep good records of service activity and include pump in preventive maintenance program y y Before disassembling empty captured material in the outlet manifold by turning the pump upside down to drain material from the pump Viton and Hytrel are registered trademarks of the DuPont Company Keynar is a registered ...

Page 4: ...5 208 2 B Y325 342 4 B Y325 230 8 B XX3 637165 XX3 637165 X3 92755 3 2 V Y328 16 2 T Y328 208 2 T Y327 342 4 V Y327 230 8 V XX4 637165 XX4 637165 X4 94617 94616 2 T SP Y328 16 2 T Y328 208 2 T 95910 4 T 93363 1 8 T XX9 637165 XX9 637165 X9 94615 9 2 H Y328 16 2 T Y328 208 2 T Y327 342 4 V Y327 230 8 V XXB 637165 XXB 637165 XB 94615 A 2 SP Y328 16 2 T Y328 208 2 T 95912 4 E 92761 8 E XX6 48496806 4...

Page 5: ...ENERS 6 Diaphragm Nut 65 70 ft lbs 88 1 94 9 Nm apply Loctite 271 to threads 25 26 27 and 124 Fluid Caps Manifold bolts 120 140 in lbs 13 6 15 8 Nm apply Loctite Nickel Antiseize to threads 38 Bolts 40 45 in lbs 4 5 5 1 Nm COLOR CODE DIAPHRAGM BALL MATERIAL COLOR COLOR E P R Blue Blue HYTREL Cream N A NEOPRENE Green Green NITRILE Black Red POLYURETHANE N A Red SANTOPRENE Cream Cream SANTOPRENE Gre...

Page 6: ...nd replace old parts with new parts as neces sary Look for deep scratches on metallic surfaces and nicks or cuts in O rings y y Take precautions to prevent cutting O rings upon instal lation y y Lubricate O rings with Key Lube grease y y Do not overtighten fasteners refer to torque specification block on view y y Re torque fasteners following restart PILOT VALVE DISASSEMBLY 1 Remove 104 retaining ...

Page 7: ... Figure 4 Figure 3 MAJOR VALVE PILOT VALVE 118 111 112 113 114 115 116 117 119 102 104 123 121 122 120 108 109 110 106 105 See cross section detail Figure 4 201 128 107 127 126 195 195 101 231 104 102 103 107 106 105 123 121 105 40 50 in lbs 4 5 5 6 Nm apply Loctite Nickel Antiseize to threads Apply Key Lube to all O rings U Cups mating parts Apply Loctite 271 to threads Apply pipe sealant to thre...

Page 8: ...ion 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 y y Check all joints on the inlet manifolds and suction con nections These must be air tight y y Inspect the pump for solid objects lodged in the dia phragm chamber or the seat area ...

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