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OPERATOR’SMANUAL 66605X-X
RELEASED: 4-15-87
INCLUDING:OPERATION,INSTALLATION&MAINTENANCE
REVISED: 5-28-10
(REV.AR)
1/2”DIAPHRAGMPUMP
1:1RATIO(NON-METALLIC)
READTHISMANUALCAREFULLYBEFOREINSTALLING,
OPERATINGORSERVICINGTHISEQUIPMENT.
Itistheresponsibilityoftheemployertoplacethisinformationinthehandsoftheoperator.Keepforfuturereference.
SERVICEKITS
Refer to Model Description Chart to match the pump materialoptions.
637140-XX for fluid section repair (see page 4).
637141 for air section repa
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OPERATINGANDSAFETYPRECAUTIONS READ,UNDERSTANDANDFOLLOWTHISINFORMATIONTOAVOIDINJURYANDPROPERTYDAMAGE. WARNING HAZARDOUSMATERIALS.Cancauseseriousin- HAZARDOUS MATERIALS EXCESSIVE AIRPRESSURE juryorpropertydamage.Donotattempttoreturnapumptothe HAZARDOUS PRESSURE STATICSPARK factory or service center that contains hazardous material. Safe handling practices must comply with local and national lawsandsafetycoderequirements. WARNING EXCESSIVEAIRPRESSURE.Cancauseperson- S Obtain Material Safety Data Sh
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GENERALDESCRIPTION MAINTENANCE TheARO diaphragmpumpoffershighvolumedeliveryevenatlowair Refertothepartviewsanddescriptionsasprovidedonpage4through7 pressureandabroadrangeofmaterialcompatibilityoptionsavailable. for parts identification and Service Kit information. Refertothemodelandoptionchart.AROpumpsfeaturestallresistant S CertainARO“SmartParts”areindicatedwhichshouldbeavailable design, modular air motor / fluid sections. for fast repair and reduction of down time. Air operated doublediaphragm
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PARTSLIST/66605X-XFLUIDSECTION l 637140-XXFluidSectionServiceKitsinclude:Balls(see“BALLOPTIONS”,referto-XXinchartbelow),Diaphragms(see“DIAPHRAGMOPTIONS”, referto -XXinchartbelow),plus“O” ringitems:2,19,20,33and93706-1Key-Lubegrease(page6). SEATOPTIONS BALLOPTIONS MATERIALCODE ITEM“21” ITEM“22”(3/4”dia.)(ServiceKit -XX) [B] = Nitrile [D] = Acetal -XXX Seat Qty [Mtl] -XXX Ball Qty [Mtl] -XXX Ball Qty [Mtl] [E] = E.P.R. [F] = Fluoraz -2XX 93409-1 (4) [SS] -X1X 93100-1 (4) [N] -XAX 93410-1 (4) [SS]
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PARTSLIST/66605X-XFLUIDSECTION COLORCODE Diaphragm Ball Material Color Color 61 Acetal N/A Orange Nitrile Red (--) Red (S) 63, E.P.R. Blue (--) Blue (S) Hytrel Cream N/A OUTLET Neoprene Green (--) Green (S) 66605X-0XX-04 Santoprene Tan Tan PTFE White White Polyurethane Clear Red Viton Yellow (--) Yellow (S) (--)Stripe (S)Dot 38 FORTHE 37 AIRMOTORSECTION 19 19 36 SEEPAGES6&7 21 . 62 33 41b 34 42k 42 . 39 19 41a 41b 21 22 OUTLET 20 21 124 26 15 62, 2 1 29, 5 8 43 7Y 6, 26 21 41b 41a k42 42 36 33 2
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PARTSLIST/66605X-XAIRMOTORSECTION n Indicatespartsincluded in 637141AirSection RepairKit. AIRSECTIONPARTS Item Description (size) Qty PartNo. [Mtl] Item Description (size) Qty PartNo. [Mtl] 101 MotorBody (1) 93091 [P] 133 Washer (9/32” i.d.) (4) 93096 [SS] n 102 “O”Ring(3/32” x1” o.d.) (2) Y325-117 [B] 134 Bolt(1/4”-20x5”) (4) Y6-419-T [SS] j103 Sleeve (1) 93087 [Bz] 135 ValveBlock (1) 93090 [P] j104 SnapRing (13/16”) (2) 37285 [C] 136 Plug (1) 93086 [D] 111 Spool (1) 93085 [D] n 137 “O”Ring (3/
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PARTSLIST/66605X-XAIRMOTORSECTION . TORQUEREQUIREMENTS , NOTE:DONOTOVERTIGHTENFASTENERS. (134)Torqueto15-20in.lbs(1.7-2.3Nm),wait10minutes,thenre-torque to15 -20in.lbs(1.7 -2.3Nm). (OPTION)129 (see note 2,page 6) LUBRICATION/SEALANTS ApplyKey-Lube(93706-1)toall“O”rings,“U”cupsandmatingparts. 201(OPTION) (seenote2,page6) 131 101 103 102 133 140 141 132 MAJORVALVE (see note 3,page 6) 130 129 135 143 104 PILOT VALVE 138 . 134 118 142 139 111 119 120 119 137 120 119 120 136 119 Figure3 142 122 AIRMO
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TROUBLESHOOTING Productdischarged fromairexhaust. Low outputvolume. S Check for diaphragm rupture. S Check air supply. S Check tightness of (6) diaphragm nut. S Check for plugged outlet hose. S Forthepumptoprimeitself,itmustbemountedintheverticalposi- AirBubblesinProductDischarge. tion so that the balls will check by gravity. S Check connections of suction plumbing. S Checkforpumpcavitation--suctionpipeshouldbe1/2”min.orlarg- S Check band clamps on intake manifold. er if high viscosity fluids ar
