ARO  666250-XXX-C Operator's Manual

ARO 666250-XXX-C Operator's Manual

2" diaphragm pump

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OPERATOR'S MANUAL
INCLUDING: OPERATION, INSTALLATION & MAINTENANCE
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 op-
tions.
637434 for air section repair (see page 6).
637432-XX for fl uid 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 . . . . . . 6662X0-XXX-C . . . . . . . . . . . . 65.15 lbs (29.55 kgs)
6662X1-XXX-C . . . . . . . . . . . . 129.93 lbs (58.94 kgs)
6662X2-XXX-C . . . . . . . . . . . . 124.30 lbs (56.38 kgs)
6662XA-XXX-C . . . . . . . . . . . 65.15 lbs (29.55 kgs)
6662XB-XXX-C . . . . . . . . . . . 129.93 lbs (58.94 kgs)
6662XC-XXX-C . . . . . . . . . . . 124.30 lbs (56.38 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 (fl ooded inlet) . . . 172 g.p.m. (651.0 l.p.m.)
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 150° F (-29° to 66° C)
Kynar® 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 8
Noise Level @ 70 p.s.i., 60 c.p.m.
Tested with 94810 muffl er assembly installed.
The pump sound pressure levels published here have been updated to
an Equivalent Continuous Sound Level (L
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 LTD
P.O. BOX 151 ONE ARO CENTER BRYAN, OHIO 43506-0151
(800) 276-4658 FAX (800) 266-7016
www.ingersollrandproducts.com
2" DIAPHRAGM PUMP
1:1 RATIO (METALLIC)
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,
OPERATING OR SERVICING THIS EQUIPMENT.
The original language of this manual is English.
. . . . . . 85.3 db(A)
) to meet the intent of ANSI
Aeq
© 2010
CCN 15242647
666250-XXX-C
MODEL DESCRIPTION CHART
Center Body Material / Fluid Connection
5 - Aluminum / 2 - 11-1/2 NPTF - 2
7 - Aluminum / Rp 2 (2 - 11 BSP parallel)
Fluid Cap & Manifold Material / Hardware
0 - Aluminum / Carbon steel
1 - Stainless Steel / Carbon Steel
2 - Cast Iron / Carbon Steel
A - Aluminum / Stainless Steel
B - Stainless Steel / Stainless Steel
C - Cast Iron / Stainless Steel
Seat Material
1 - Aluminum
8 - Hard Stainless Steel
2 - 316 Stainless Steel
9 - Hytrel
4 - Kynar PVDF
E - Santoprene
5 - Carbon Steel
G - Nitrile
Ball Material
2 - Nitrile
C - Hytrel
4 - PTFE
E - Santoprene
A - 316 Stainless Steel
Diaphragm Material
2 - Nitrile
9 - Hytrel
4 - PTFE / Santoprene
B - Santoprene
Fluid Section Service Kit Selection
Example: Model #666250-1EB-C
Fluid Section Service Kit # 637432-EB
RELEASED:
3-13-06
REVISED:
5-5-10
(REV. 07)
Figure 1
6662 X X - X X X - C
6662XX - X X X - C
637432 - X X
Ball
Diaphragm

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Summary of Contents for ARO ARO 666250-XXX-C

  • Page 1 OPERATOR’S MANUAL INCLUDING: OPERATION, INSTALLATION & 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 material op- tions.
  • Page 2 OPERATING AND SAFETY PRECAUTIONS READ, UNDERSTAND AND FOLLOW THIS INFORMATION TO AVOID INJURY AND PROPERTY DAMAGE. EXCESSIVE AIR PRESSURE HAZARDOUS MATERIALS STATIC SPARK HAZARDOUS PRESSURE EXCESSIVE AIR PRESSURE. Can cause personal WARNING injury, pump damage or property damage. Do not exceed the maximum inlet air pressure as stated on the pump model plate.
  • Page 3: Operating Instructions

    GENERAL DESCRIPTION The ARO diaphragm pump off ers 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 / fl uid sections. Air operated double diaphragm pumps utilize a pressure diff eren- tial in the air chambers to alternately create suction and a positive fl uid pressure in the fl uid chambers, valve checks insure a positive...
  • Page 4 PARTS LIST / 6662XX-XXX-C FLUID SECTION 637432-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). SEAT OPTIONS 6662XX-XXX-C “21”...
  • Page 5 PARTS LIST / 6662XX-XXX-C FLUID SECTION PTFE Santoprene (green when used as a backer) View for 6662XX-XX4-C (PTFE dia- phragm) confi guration only. Cross section view of diaphragms 666250-XXX-C (en) COLOR CODE Diaphragm Material Color Hytrel Cream Nitrile Black Santoprene Santoprene Green* (backup)
  • Page 6 PARTS LIST / 6662XX-XXX-C AIR MOTOR SECTION Indicates parts included in 637434 air section service kit. Item Description Qty Part No. (size) 101 Motor Body (1) 96374 102 “O” Ring (2) Y325-24 (1/16” x 1-1/4” o.d.) 103 Sleeve (1) 94528 104 Retaining Ring (2) Y145-26 (1-5/32”...
  • Page 7 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 CROSS SECTION DETAIL 112 114 111 115 Figure 4 666250-XXX-C (en) MAJOR VALVE See cross section detail, fi gure 4.
  • Page 8: Trouble Shooting

    Product discharged from exhaust outlet. Check for diaphragm rupture. Check tightness of (14) diaphragm screw. Air bubbles in product discharge. Check connections of suction plumbing. Check “O” rings between intake manifold and fl uid caps. Check tightness of (14) diaphragm screw. Low output volume, erratic fl ow or no fl ow.

This manual is also suitable for:

6662x0-xxx-c6662x1-xxx-c6662x2-xxx-c6662xa-xxx-c6662xb-xxx-c6662xc-xxx-c

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