Ingersoll-Rand ARO 666250-XXX-C user manual

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OPERATOR’S MANUAL 666250-XXX-C
RELEASED: 3-13-06
INCLUDING: OPERATION, INSTALLATION & MAINTENANCE
REVISED: 5-5-10
(REV. 07)
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-

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OPERATING AND SAFETY PRECAUTIONS READ, UNDERSTAND AND FOLLOW THIS INFORMATION TO AVOID INJURY AND PROPERTY DAMAGE. jury or property damage. Do not attempt to return a pump EXCESSIVE AIR PRESSURE HAZARDOUS MATERIALS to the factory or service center that contains hazardous STATIC SPARK HAZARDOUS PRESSURE material. Safe handling practices must comply with local and national laws and safety code requirements. Obtain Material Safety Data Sheets on all materials from WARNING EXCESSIVE AIR PRESSUR

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GENERAL DESCRIPTION MAINTENANCE The ARO diaphragm pump off ers high volume delivery even at low Refer to the part views and descriptions as provided on pages 4 air pressure and a broad range of material compatibility options are through 7 for parts identifi cation and service kit information. available. Refer to the model and option chart. ARO pumps feature Certain ARO “Smart Parts” are indicated which should be avail- stall resistant design, modular air motor / fl uid sections. able for fast

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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 BALL OPTIONS 6662XX-XXX-C “21” “22” (2-1/2” diameter) -XXX Seat Qty Mtl -XXX Seat Qty Mtl -XXX Ball Qty Mtl -XXX Ball Qty Mtl -1XX 95673 (4) [A] -8XX 94354 (4) [SH] -X2X 93358-2 (4) [B] -X

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PARTS LIST / 6662XX-XXX-C FLUID SECTION COLOR CODE 3 1 Diaphragm Ball Material Color Color 5 8 Hytrel Cream Cream Nitrile Black Red (•) Santoprene Tan Tan 9 10 Santoprene Green* N / A (backup) PTFE White White 61 (-) Stripe (•) Dot 7 6 * See item 8 in inset below. 26  2 4 FOR THE AIR MO- Torque Sequence TOR SECTION, SEE PAGES 6 & 7. 29  2  1 56 7 9 14  22 21 19  27  15 60 22 26  21 19  PTFE 7 Santoprene 8 Figure 2 (green when used as a backer) ASSEMBLY TORQUE REQUIREMENTS N

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PARTS LIST / 6662XX-XXX-C AIR MOTOR SECTION Indicates parts included in 637434 air section service kit. AIR MOTOR PARTS Item Description (size) Qty Part No. Mtl Item Description (size) Qty Part No. Mtl 101 Motor Body (1) 96374 [A] 116 Spacer (1) 96420 [D] (1/16” x 1-1/4” o.d.) 102 “O” Ring (2) Y325-24 [B] 117 Gasket (1) 96425 [B/Ny] 103 Sleeve (1) 94528 [D] 118 Pilot Rod (1) 93309-2 [C] (1-5/32” i.d.) (1/8” x 3/4” o.d.) 104 Retaining Ring (2) Y145-26 [C] 119 “O” Ring (4) 93075 [U] (1/4”

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PARTS LIST / 6662XX-XXX-C AIR MOTOR SECTION IMPORTANT 111 BE CERTAIN TO ORIENT (115) 105   114 SPACER LEGS AWAY FROM BLOCK- ING INTERNAL PORTS WHEN 116 107 REASSEMBLING AIR SECTION. 115 106  114  113 117 112 MAJOR VALVE See cross section detail, fi gure 4. Figure 3 101  197 104 197  121 102   123 43 103   198 104 106 126  107 119  PILOT VALVE  105 108 121 109  128 123   110 118  120 122  201 127 MAJOR VALVE CROSS SECTION DETAIL 109 110  112 114  111 115 113  116 ASSE

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TROUBLE SHOOTING Product discharged from exhaust outlet. Check for kinked (restrictive) outlet material hose. Check for diaphragm rupture. Check for kinked (restrictive) or collapsed inlet material hose. Check tightness of (14) diaphragm screw. Check for pump cavitation - suction pipe should be sized at least as large as the inlet thread diameter of the pump for Air bubbles in product discharge. proper fl ow if high viscosity fl uids are being pumped. Suction Check connections of suction