Ingersoll-Rand ARO 66M3X0-XXX-C user manual

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OPERATOR’S MANUAL 66M3X0-XXX-C
RELEASED: 10-22-08
INCLUDING: OPERATION, INSTALLATION & MAINTENANCE
REVISED: 5-6-10
(REV. 05)
3" 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 / 66M3X0-XXX-C FLUID SECTION 637467-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, 3, 19 and 196 (listed below) plus 93706-1 Key-Lube grease packet (page 6). MATERIAL CODE SEAT OPTIONS BALL OPTIONS [A] = Aluminum 66M3X0-XXX-C 66M3X0-XXX-C [B] = Nitrile (2-1/2” diameter) [C] = Carbon Steel “21” “22” [Co] = Copper -XXX Seat Qty Mtl -XXX Ball Qty Mtl [E] = E.P.R.

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PARTS LIST / 66M3X0-XXX-C FLUID SECTION COLOR CODE 3 1 Diaphragm Ball Material Color Color 5 8 Hytrel Cream Cream Nitrile Black Red (•) Santoprene Tan Tan (•) Dot910 61 7 6 FOR THE AIR MO- TOR SECTION, SEE 2 4 26  PAGES 6 & 7. Torque Sequence 281 280 29 2  1 5 196 7 3  14  22 21 19  27  183 15 188 69 22 182 21 60 19  26  186 188 184 Figure 2 182 187 186 185 ASSEMBLY TORQUE REQUIREMENTS NOTE: DO NOT OVERTIGHTEN FASTENERS. ALL FASTENERS ARE METRIC. (14) screw, 65 - 70 ft lbs (88.1 -

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PARTS LIST / 66M3X0-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) 96427 [A] 121 Sleeve Bushing (2) 98723-2 [Bz] (1/16” x 1-1/4” o.d.) (3/32” x 9/16” o.d.) 102 “O” Ring (2) Y325-24 [B] 122 “O” Ring (2) 94820 [U] 103 Sleeve (1) 94528 [D] 123 Screw (#8 - 32 x 3/8”) (4) Y154-41 [C] (1-5/32” i.d.) (3/4 - 14 PTF x 17/32”) 104 Retaining Ring (

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PARTS LIST / 66M3X0-XXX-C AIR MOTOR SECTION IMPORTANT 111 BE CERTAIN TO ORIENT (115) SPACER LEGS AWAY FROM BLOCK-  114 ING INTERNAL PORTS WHEN 105  REASSEMBLING AIR SECTION. 115 116  114 107  113 117 112 MAJOR VALVE See cross section detail, fi gure 4. 201 282 127 Figure 3 101  128  126 104 121 197   123 102  108 107 103   105 104 109 PILOT VALVE  110 119   198 121 43 123   197 MAJOR VALVE CROSS SECTION DETAIL 118  109 110  112 114  111 115 113  116 120 122  ASSEMBLY

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TROUBLE SHOOTING Product discharged from exhaust outlet. Low output volume, erratic fl ow or no fl ow. 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. Check connections of suction plumbing. Check for pump cavitation - suction pipe should be sized at Check “O” rings be