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Bedienungsanleitung Graco A-25

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  • Graco A-25 - page 1

    Operation PLURAL COMPONENT PROPORTIONER ® A-2 5 Air operated, electrically heated , plural component pr opor tioner For spraying or disp ensing 1:1 ratio pol yurethane foam form ulations and other 1:1 fast setting materials. Not for use in e xplosive at mospheres or hazardous locations. This model is fi eld-configurable to the follo wing supply vo ...

  • Graco A-25 - page 2

    2 3A1569B Contents Proportioner Models . . . . . . . . . . . . . . . . . . . . . . . . 3 Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Related M anuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 W arnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Impor tant T wo-Component Materi ...

  • Graco A-25 - page 3

    Proportioner Models 3A1569B 3 Pr opor tioner Models All propor tioners can be configured t o operate on 380V (4 wire), 230V (3 wire), or 23 0V 1Ø. Systems All systems include a proportioner , spra y gun, and 60 ft (18.3 m) of heat ed hose. Related Manuals Manuals ar e av ailable at www .g raco .com. Component manu als in English: Pa r t N o . Maxi ...

  • Graco A-25 - page 4

    Warnings 4 3A1569B Wa r n i n g s The f ollowing warnings are f or the setup , use, grounding, maintenance, and repair of this equipment . The e xclama- tion point symbol ale r ts you to a gener al warn ing and the hazard symbo ls refer to proced ure-specific risks. When these symbols appear in the body of this manual, re f er ba ck to these W a rn ...

  • Graco A-25 - page 5

    Warnings 3A1569B 5 FIRE AND EXPLOSION HAZARD Flammable fumes, such as solvent and paint fumes, in wo rk a r e a can ignite or e xplode. T o help pre v ent fire and explosion: • Use equipment only in we ll vent ilated area. • Eliminate all ignition sources; such as pilo t lights, cigarettes, por table electric lamps , and plastic drop cloths (po ...

  • Graco A-25 - page 6

    Warnings 6 3A1569B EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury . • Do not oper ate the unit when f atigued or under the influence of dr ugs or alcohol. • Do not e xceed the maximum w or king pressure or temper ature rating of the lo west rated system component. See T echnical Da ta in all equipment manuals . • Use fluids ...

  • Graco A-25 - page 7

    Important Two-Component Materi al Information 3A1569B 7 Impor tant T w o-Component Material Inf o rmation Isocy anate Conditions Material Self-ignition K eep Components A and B Separate Moisture Sensitivity of Isocy anates Isocy anates (ISO) are catalysts used in tw o component f oam and polyurea coatings. ISO will react with moisture (such as humi ...

  • Graco A-25 - page 8

    Important Two-Component Material Information 8 3A1569B Changing Materials Changing the material types used in y our equipment requires special atte ntion to av oid equipment damage and downt ime. • When changing m ater ials, f lush the equipment m ul- tiple times to ensure it is thoroughly cle an. • Alwa ys clean the fluid inlet stra iners afte ...

  • Graco A-25 - page 9

    Typical Installation, without Circulation 3A1569B 9 T ypical Installation, without Circulation Key for F IG . 1 A Reactor Propor tio ner BH e a t e d H o s e C Fluid T emperature Sensor (FTS) D Heated Whip Hose ES p r a y G u n F Propor tioner and Gun Air Su pply Hose G F eed Pump Air Supply Line s H W aste Cont ainers J Fluid Supply Lines K Feed P ...

  • Graco A-25 - page 10

    Typical Installation, wi th Circulation 10 3A1569B T ypical Installation, with Circulation Key for F IG . 2 A Reactor Propor tio ner B Heated Hose C Fluid T emperature Sensor (FTS) D Heated Whip Hose ES p r a y G u n F Propor tioner and Gun Air Su pply Hose G F eed Pu mp Air Supply Lines J Fluid Supply Lines K Feed Pumps L Agitator (if required) M ...

  • Graco A-25 - page 11

    Component Identi fication 3A1569B 11 Component Identification F IG . 3: T ypical Instal lation AG T W Z AF R AA S U V AE AC Y X ti16814a AI DD GG FF AD AB AH ...

  • Graco A-25 - page 12

    Component Identification 12 3A1569B Key: R Main Disconnect Swit ch - Contro ls power to heating circ uits. I S Main Air Filter - Filters system air supply . T Resin (B) Pressure Gauge - Displa ys pressure in resin proportioning system (B side). U Resin (B) - Inlet Supply V alve V Resin (B) Fluid Y-Strainer - (20 mesh) W ISO (A) Pressure Gauge - Dis ...

  • Graco A-25 - page 13

    Component Identi fication 3A1569B 13 Contr ol P anel T emperature Controls and Indicator s ELECTRONIC MONITORING SYSTEM ° F ° C A B Air Motor Pressure Gauge Air Pressure Regulator Air Motor Shutoff V alve DataT rak (optional) See page 32. See Te m p e r a - ture Controls and Indicators ti16815a NO TICE T o prev ent damage to the sof t ke y butto ...

  • Graco A-25 - page 14

    Component Identification 14 3A1569B Main P ower Switc h Located on right side of unit, pag e 11. T ur ns heater pow er ON and OFF . Does not tur n heater z ones or pumps on. Actual T emperature Key/LED Press to displa y actual temperature . Press and hold to displa y electrical current. T arget T e mperature Ke y/LED Press to displa y target temper ...

  • Graco A-25 - page 15

    Setup 3A1569B 15 Setup Locate Reactor A-25 1. Locate Reac tor A-25 on a lev el surface and bolt in place to the floor with 3/8 in. (10 mm) bolts , unless the Reactor needs to re main por table. • T wo bolts through the 2 in. (50 mm) deep caster bushin gs in the rear . • T wo bolts through th e 3-5/8 in. (168 mm) deep caster b ushings in the fro ...

  • Graco A-25 - page 16

    Setup 16 3A1569B Configure to Supply P ower NO TE: Both cord connection AND jumper positioning steps on page 17 must b e completed. Step One - Connect Electrical Cord NO TE: Disregard ter minal numbers on disconnect s witch blocks . Wire to pos itions shown. T er minals will accept up t o #8 A W G (10 mm 2 ) conductors . 1. Using a flat scre w dr i ...

  • Graco A-25 - page 17

    Setup 3A1569B 17 Step T wo - Install P ower Jumper s Find location for power jumpers which are in a plastic bag tie wrap ped to the ground lug. 1. T ur n scre ws counter-clockwise on the up per par t of the shroud until the y stop . Pull door up and out. 2. Install red jump ers from the storage bag to t he positions sho wn f or your po wer . • Pu ...

  • Graco A-25 - page 18

    Setup 18 3A1569B Gr ound System • Reactor : is grounded t hrough power cord; see page 16. • Spra y gun : connect whip hose ground wire to FTS; see page 1 9. Do not d isconnect wire or spray with- out whip hose. • Fluid supply containe rs : follo w your local code. • Object being spra yed : f ollow your local code . • Solv ent pails used w ...

  • Graco A-25 - page 19

    Setup 3A1569B 19 Recir culation / Pressure Relief Lines If Recirculating to Supply Drum: Conne ct high pressure hos e (R) to relie f fittings (BA, BB) of both PRESSURE RELIEF/SPRAY valves. Route hose back to component A a nd B drums. Refer to manual 309852. Alternate recircul ation hoses (requires adapter fittings): 249508 - ISO (A) (moist ure guar ...

  • Graco A-25 - page 20

    Setup 20 3A1569B 5. Connect cab les (SS). Con nect electrical connectors (NN). Be sure cab les hav e slack when hose bend s. Wrap cab le and electrical connections with electrical tape. Close Gun Fluid Inlet V alves A and B Connect Whip Hose to Gun or Gun Fluid Manif old For Prob ler P2 guns: Connect hoses to inlet valves . For Fusion gun s: Connec ...

  • Graco A-25 - page 21

    Initial Startup 3A1569B 21 Initial Star tup Load Fluid w ith Feed Pumps NO TE: The Reactor is tested wit h oil at the factor y . Flush out the oil with a co mpat ible solv ent bef ore s pra y- ing; see page 27. 1. Check that Setup pro cess is com plete; see page 15. 2. T ur n on comp onent B agit ator , if use d. 3. T ur n both PR ESSURE RELIEF/SPR ...

  • Graco A-25 - page 22

    Initial Startup 22 3A1569B Set T emperatures See Setup , page 15. 1. T ur n main power ON . 2. Press or to change temper ature scale. 3. Press to displa y target temper atures. 4. T o set he at zone target te mperature, pres s or until display sho ws desired temper- ature . Repeat for and zones . NO TE: For z one only , if FTS is disconnected at st ...

  • Graco A-25 - page 23

    Initial Startup 3A1569B 23 Suppl y W et-Cups with Thr oat Seal Liquid 1. Component A (ISO) Pu mp: K eep reser voir (Z) 3/4 filled with TSL. Wet-cup piston circulates TSL through wet -cup to carr y awa y isocyanate film on displacement rod . Change the fluid in the reservoir when it become s milky-looking. 2. Component B (Resin) Pump: Chec k felt w ...

  • Graco A-25 - page 24

    Spraying 24 3A1569B Spra ying The Fusion AP gun is show n. 1. After r eaching spra y tempera tures, engage gun piston s af ety lock . 2. Close gun fluid inlet va lves A and B. 3. Attach gun fluid manif old. Connect gu n air line. Open air line valv e. 4. Set PRESSURE RELIEF/SPRA Y valv es (SA, SB) to SPRA Y . 5. Open air inlet ball va lve (DD). 6. ...

  • Graco A-25 - page 25

    Spraying 3A1569B 25 9. Slowly increase the air regulator setting until the appro ximate stall (static) pressure is achie ved on fluid gauges (GA) and (GB). 10. Chec k fluid pressure gauges (GA, GB) to en sure proper pr essure bala nce. If imbalanc ed, reduce pressure of higher compon ent b y slightly turning PRESSURE RELIEF/SPRA Y v a lve f or that ...

  • Graco A-25 - page 26

    Park 26 3A1569B Pa r k P ar k the p umps at th e end of the day to cycle propo r- tioner pumps t o home position, submerging displace - ment rod. 1. Open the park v alve . 2. T r igger the gun until pum ps stops at the bott om and relie ves pressure. 3. Close the air motor shuto ff valv e. 4. Close the par k valv e. Pressure Relief Pr ocedure The F ...

  • Graco A-25 - page 27

    Flushing 3A1569B 27 Flushing • Flush out old fluid with ne w fluid, or flush out old fluid with a compatib le moisture-free solv ent. • Use lowest possible pressur e when fl ushing. • T o flush feed hoses, pumps, and the heater sepa- rately fro m the heated hoses , set PRESSURE RELIEF/SPRA Y valv es (SA, SB) to PRESSURE RELIEF/CIRCULA TION. F ...

  • Graco A-25 - page 28

    Operation 28 3A1569B Operation Daily Start-up Procedure NO TE: The daily star t-up procedures describe normal operat ion. Assume that all temperatur e and pressure settings ha ve been pre viously set, b ut that the heating system is not up to oper ating temperature . 1. Check condition isocyanate lubr ication system and service as required. Change ...

  • Graco A-25 - page 29

    Operation 3A1569B 29 15. Chec k A and B fluid pressure gauges (GA, GB) to ensure proper pr essure balance between A and B. If imbalanced, b leed off the high side with va lves SA and SB until ba lanced. 16. Open gun fluid manif old v alves A and B . 17. Disengage gun pisto n safety loc k. 18. T est spray onto cardbo ard. 19. Equipment is r eady to ...

  • Graco A-25 - page 30

    Fluid Circulation 30 3A1569B Fluid Cir culation Cir culation Through Reactor T o circulate through gun manif old and preheat hose , see page 31. 1. F ollow Initial St ar tup , page 21. 2. See T ypical Installation, wi th Circulation , page 10. Route circulat ion lines bac k to respective com- ponent A or B supply dr um. Us e hoses rated at the maxi ...

  • Graco A-25 - page 31

    Fluid Circulation 3A1569B 31 Cir culation Through Gun Manif old Circulating fluid throu gh the gun manif old allows rap id preheating of hose . 1. Install gun fluid man ifold (P) on accessory circula- tion kit (CK). Connect high pressure circulation lines (R) to circulation ma nifold. 2. Route circulation lines bac k to respectiv e compo- nent A or ...

  • Graco A-25 - page 32

    DataTrak Controls and Indicators 32 3A1569B DataT rak Contro ls and Indicator s The DataT rak on the Reactor A-25 spra yers do not ha ve runa wa y protection. F or setup and operation instructions see DataT rak Operation , page 33. Key for F IG . 4 AB Combined Lower Displacement (user settable) A C Flow Rate Units (user settab le to gpm [US], gpm [ ...

  • Graco A-25 - page 33

    DataTrak Operation 3A1569B 33 DataT rak Operation NO TE: The display (AE) will turn off after 1 minute to sav e battery lif e. Press any k ey to w ake up the displa y . Setup Mode 1. See F IG . 4, pag e 32. Pre ss and hold for 5 sec- onds until Setup men u appears . 2. T o enter settin gs for low er size, flow r a te units, and disab le r unaw ay p ...

  • Graco A-25 - page 34

    Maintenance 34 3A1569B Maintenance • Chec k and add TSL to B side pump wet-cup dai ly . • Chec k ISO lube bottle f or significant discolor ation or cr ystallization daily . Replace with fresh TS L when needed. • Ensure ISO (A) pump is down an d in P ARK posit ion durin g e very shutdown. • K eep any ISO (A) flu id from being e xposed to atm ...

  • Graco A-25 - page 35

    Diagnostic Codes 3A1569B 35 Diagnostic Codes T emperature Control Dia gnostic Codes T emperature control dia gnostic codes appear on tem- perature display . These alarms tur n off heat. E99 clears automatically when commun ication is regained. Codes E03 throu gh E06 can be cleare d by pressing . For other codes, tur n main power OFF then ON to clea ...

  • Graco A-25 - page 36

    Dimensions 36 3A1569B Dimensions A B C With Wheels Without Wheels Dimension in. (mm) in. (mm) A 43.5 (1105 ) 43.5 (1105) B 29 (736.6) 21.5 (546) C 30 (762) 24.5 (622 ) ti17605a ...

  • Graco A-25 - page 37

    Technical Data 3A1569B 37 Te c h n i c a l D a t a *Full load amps with all de vices operating at maximum capabilities with 210 ft (64.1 m) of hose. ***210 ft (64 m) of hea ted hose will produce the ma ximum allo wable heat capacity . 3 10 ft (94 m) of heated hose ma y be used, but will ha ve 25% less heat capacity . Category Data Maximum Fluid W o ...

  • Graco A-25 - page 38

    All written and visual data con tained in th is document reflects the late st product information availabl e at the time of publica tion. Graco reserves the right to make changes at any time without notice. For patent information, see www.graco.com/pate nts. Original instructions. T his manual contains English. MM 3A1569 Graco Headquarters: Minneap ...

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Eine gänzliche Bedienungsanleitung von Graco sollte einige Grundelemente enthalten. Ein Teil von ihnen ist nicht so wichtig, wie z.B.: die Titelseite oder Autorenseiten. Die restlichen von ihnen jedoch, sollten Informationen liefern, die für den Nutzer von enormer Wichtigkeit sind.

1. Einführung und Hinweise, wie man sich in einer Bedienungsanleitung von Graco A-25 bewegt - Am Anfang jeder Bedienungsanleitung sollten wir Hinweise bezüglich der Nutzungsart eines bestimmten Ratgebers finden. In ihr sollten sich Informationen über die Lokalisierung des Inhaltsverzeichnisses von Graco A-25 befinden, FAQ oder über oft auftretende Probleme – also Stellen, die von den Benutzern in jeder Bedienungsanleitung am meisten gesucht werden
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