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Bedienungsanleitung Graco 311511G

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Summary
  • Graco 311511G - page 1

    311511G ENG Operation Reactor A-20 Air Operated, Electrically H eated Plural Component Pr opor tioner For spraying or dispens ing 1:1 mix ratio materials, inc luding epo xies and polyurethane foam. For pr of essional use only . Not appro ved f or use in Eur opean explosive atm osphere locations. See page 3 f or a list of mod els and maximum working ...

  • Graco 311511G - page 2

    Contents 2 311511G Contents Related M anuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 W arnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 T ypical Installation, wit hout Circulation . . . . . . . . 7 T ypical Installation, w ith Ci ...

  • Graco 311511G - page 3

    Systems 311511G 3 Systems 253831 Pr opor tioner This model is field-configur ab le to the following supply v oltages: 230 V , 1 Phase 230 V , 3 Phase 380 V , 3 Phase 2,000 psi (14 MP a,140 bar) Maxim um Fluid Working Pressure 120 psi (0.84 MP a, 8.4 bar) Maxim um Air Working Pressure Approv als: System P ar t Maximu m Fluid W orking Pressure psi (M ...

  • Graco 311511G - page 4

    Warnings 4 311511G Wa r n i n g s The f ollowing general w arnings are for the set up , use, g rounding, maintenance , and repair of this equipment. Additional, more specific warnings ma y be f ound throughout t he body of this manual wher e applicable . Symbols appearing in the body of the man ual refer to these genera l warnings. When th ese symb ...

  • Graco 311511G - page 5

    Warnings 311511G 5 FIRE AND EXPLOSION HAZARD Flammab le fumes, such as solv ent and paint fumes , in wo rk ar ea can ignite or e xplode. T o help pre vent fire and e xplosion: • Use equipment only in w ell ventilated area. • Eliminate all ignition sources; such as pilot lig hts, cigarett es, portable electric lamps, and plastic drop cloths (pot ...

  • Graco 311511G - page 6

    Warnings 6 311511G MO VING P ARTS HAZARD Movin g par ts can pinch or amputate fingers and ot her body par ts. • K eep clear of moving parts. • Do not op erate equip ment with pr otective guards or cov e rs removed. • Pressurized equipmen t can star t without warning. Bef ore checking, mo ving, or ser vicing equipment, f ollow the Pressure Rel ...

  • Graco 311511G - page 7

    Typical Installation, without Circulation 311511G 7 T ypical Installation, without Cir culation 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 E Fusion Spray Gun F Propor tioner and Gun Air Suppl y Hose G Feed Pump Air Supply Line s H W a ste Containers J Fluid Supply Lines K Feed ...

  • Graco 311511G - page 8

    Typical Installation, wi th Circulation 8 311511G T ypical Installation, with Cir culation Key for F IG . 2 A Reactor Propor tio ner B Heated Hose C Fluid T emperature Sensor (FTS) D Heated Whip Hose E Fusion Spray Gun F Propor tioner and Gun Air Su pply Hose G Feed Pump Air Supply Lines J Fluid Supply Lines K Feed Pumps L Agitator M Desiccant Dr y ...

  • Graco 311511G - page 9

    Moisture Sensitivity o f Isocyanates 311511G 9 Moisture Sensitivity of Isocy anates Isocy anates (ISO) are catalysts used in two component f o am and polyurea coatings . ISO will react with moisture (such as humidity) to f or m sm all, har d, abrasive crys tals, which become suspended in the fluid. Ev entually a film will f or m on the surface and ...

  • Graco 311511G - page 10

    Component Identification 10 311511G Component Identification F IG . 3: T ypical Installation AI T W Z AH R AA S U V AG AD Y X ti8447a ti8448a ti8481a AK DD GG FF ...

  • Graco 311511G - page 11

    Component Identi fication 311511G 11 Key: R Main Disconnect Switc h - Controls power to all circuits. It must be ON f or propor tioning unit to operat e. T emperature displa ys are lit when main s witch is ON. S Main Air Filt er - Filters system air supply . T Resin (B) Pres sure Gauge - Displa y s pressure in resin proportioning system (B side). U ...

  • Graco 311511G - page 12

    Controls and Indicators 12 311511G Contr ols and Indicators Key: AK Primary Heater Switc h - Co ntrols and pro tects primar y heater . It must be ON and lit green f or primar y heater to ope rate . AL Hose Heater Switc h - Controls and protects ho se heat circuit . It must be ON and lit g reen fo r hose heater to ope rate . AM Hose T emperature Con ...

  • Graco 311511G - page 13

    Pressure Relief Procedure 311511G 13 Pressure Relief Pr ocedure 1. T urn of f feed pumps and agit ator if us ed. 2. T urn P ARK/R UN switch to P ARK. 3. T r igger gun to relie ve pr essure. 4. T urn off air inlet valv e. 5. Engage gun p iston safety lock. 6. V er ify gun fluid manif old valv es A and B are closed. 7. Close pump inlet supply valv es ...

  • Graco 311511G - page 14

    Setup 14 311511G Setup Locate Reactor A-20 1. Locate Reacto r A-20 on a lev el surface and bolt in place to the floor with 3/8 in. (10 mm) bolts . • T w o bolts through the 2 in. (50 mm) dee p caster bushin gs in the rear . • T wo bolts through the 3-5/ 8 in. (168 mm) deep caster b ushings in the front. 2. Do not e xpose Reactor A-20 to rain. 3 ...

  • Graco 311511G - page 15

    Setup 311511G 15 Configure to Supply P ower Step One - Connect Electrical Cord 1. Remove and retain two screws from lo wer front shroud an d remove . 2. Connect main po wer cord to electrical console as f ollows: a. Fe ed power cord throu gh strain relief (SR) on right side of unit. Push b lack die r elease le v er (RL) down to releas e contact s b ...

  • Graco 311511G - page 16

    Setup 16 311511G Step T w o - Repositi on Po wer Jumpers Find location of P ower Jumpers. F or 230V , 1 Phase and 230V , 3 Phase Installations, change jumper positio ns as shown belo w . Machine is shipped with jumper s in the f ail-saf e 380 3Ø positio n. 1. Remo ve upper rear co ntrol cov er screws and cov er . 2. Mo ve on e red jumper from the ...

  • Graco 311511G - page 17

    Setup 311511G 17 Gr ound System • Reactor : is grounde d through po wer cord ; see page 15. • Spra y gun : connect whip hose ground wire to FTS; see page 18. Do not disco nnect wire or spra y with- out whip hose. • Fluid supply container s : f ollow your local code . • Object being spra yed : f ollow your local code. • Solv ent pails used ...

  • Graco 311511G - page 18

    Setup 18 311511G Connect FTS and Heated Dual Whip Hose 1. Carefully e xtend FTS probe (H) into the hose section from the propor tioner . Do not bend or kink probe. In ser t in component A (ISO) side of main hose for f oam or poly- urea systems. 2. Connect FTS (J) to whip hose (W). 3. Connect whip hose ground wire (K) to ground scre w on unde rside ...

  • Graco 311511G - page 19

    Setup 311511G 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 30 9852. Alternate recircul ation hoses (requ ires adapter fittings): 249508 - ISO (A) (moist ure gu ...

  • Graco 311511G - page 20

    Setup 20 311511G Close Gun Fluid Manif old V alves A and B Connect Whip Hose to Gun Fluid Manif old Do not connect manif old to gun. Pressure Chec k Hose See hose manu al. Pressure chec k for leaks. If n o leaks, wrap hose and electrical c onnections to protect from damage. ti2411a ti2417a ...

  • Graco 311511G - page 21

    Initial Startup 311511G 21 Initial Star tup Fluid T emperature Sensor (FTS) Calibration 1. Bef ore turning on the unit, ensu re all hoses and cabl es are properly connected. T o ensure that the FTS in the hose is at the same temperature as the heaters , k eep heat off and stor e the hose FTS n ear the machin e f or sev eral minutes. 2. While holdin ...

  • Graco 311511G - page 22

    Initial Startup 22 311511G Digital T emperature Controller s The proportioner has two tem perature co ntrollers that automatically ma nage the temper ature f or the primar y heater and th e hose heat. Controller Screens Push the left side scroll b utton to cycle through the f o llowing screens . T o change or enter the set point, proce ed as follo ...

  • Graco 311511G - page 23

    Initial Startup 311511G 23 Change Between Fahr enheit and Celsius The tempera ture controller is f actor y -set to displa y in F ahrenheit units . T o change to Celsius uni ts: 1. Press an d release Scroll b utton (A1) un til Controller displays “ UNI T ”. 2. Press and re lease Down b utton (A3) once to displa y “ F ”. 3. Press and r elease ...

  • Graco 311511G - page 24

    Initial Startup 24 311511G Over T emperature Alarms Both the flui d heater and the ho se heat ha ve ov er temperature alarms that will tur n off the heat zone if high tempera tures are det ected. If this happ ens, the g reen light in the s witch f or that heat z one will go out. The fluid heater has a fix ed temper ature s witch on the aluminu m he ...

  • Graco 311511G - page 25

    Initial Startup 311511G 25 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 aw a y isocyanate film on displacement rod . Change the fluid in t he reservoir when it become s milky-looking. 2. Component B (Resin) Pump: Check f e lt ...

  • Graco 311511G - page 26

    Spraying Setup 26 311511G Spra ying Setup 1. After r eaching spra y temperature s, engage g un piston s af ety loc k. 2. Close gun fluid manif old v alve s A and B. 3. Attach gun fluid manif old. Connect gun air line . Open air line valv e. 4. Set PRESSURE RELIEF/SPRA Y valves (SA, SB) to SPRA Y . 5. Open air inlet ball va lve (DD). 6. T ur n both ...

  • Graco 311511G - page 27

    Spraying Setup 311511G 27 11. Disengage gun piston saf ety lock . 12. T est spray onto cardboar d. Adjust for desired fluid pressure on the DN stroke with re gulator (AS). Briefly spray until the UP st rok e indic ator light is on and increase the UP regulator setti ng until the fluid pressure (GA, GB) ma tches the DN strok e pressure. This compens ...

  • Graco 311511G - page 28

    Shutdown 28 311511G Shutdo wn 1. Shut off Primary and Hose heat s witches. 2. P ar k com ponent A pu mp. T ur n P ARK/R UN switch to PA R K . 3. F ollow Pressure Relief pr ocedure; see page 13. 4. T urn Pum p Mode F unction k nob to OFF . 5. T urn Main P ower Disconnect switch (R) OFF . 6. Close air inlet ball va lve (DD) and fluid inlet v alves (X ...

  • Graco 311511G - page 29

    Operation 311511G 29 Operation Dail y Star t-up Procedure 1. Chec k condition isocyanate lubrication system and service as required. Change pump lubricant when it shows signs of change to a milky color . 2. Ensure supply flu id is at correct temper ature as recommended b y chemical system supplier . Ensure individual chemicals are corr ectly agitat ...

  • Graco 311511G - page 30

    Operation 30 311511G 16. Open gun fluid manif old valv es A and B. 17. Disengage gun piston saf ety lock . 18. T est spray onto cardbo ard. 19. Obser ve isocya nate-A and resin-B gauge s on up and down st rokes . Readjust upstrok e pressure regulator as requir ed to ensure proportioning pump pressure is equal on both the up and down str oke s. 20. ...

  • Graco 311511G - page 31

    Fluid Circulation 311511G 31 Fluid Cir culation Cir culation Thr ough Reactor To circulate through gun man ifold and pre heat hose; see page 32. 1. Load flui d with feed pum ps; see page 21. 2. Route circula tion lines ba ck to respective component A or B supply drum. Use hoses r ated at the maximum wo rking pressure of this equipment, see hose man ...

  • Graco 311511G - page 32

    Fluid Circulation 32 311511G Cir culation Thr ough Gun Manif old Circulating f luid through the gun manifold allows r apid preheating of hose. 1. Install gun flu id manif old (FM) on P ar t 246362 accessor y circulation kit (CK). 2. Connect high pressure circula tion lines (N) to circulation manif o ld (CK). Route circulation lines back to respecti ...

  • Graco 311511G - page 33

    Fluid Circulation 311511G 33 Maintenance • Chec k and add TSL to B side pump wet -cup daily . • Chec k ISO lube bottle f or significant disco loration or cr ystallization daily . Replace with fresh TSL when needed. • Ensure ISO (A) pump is down and in P ARK po sition during e very shutdown. • K eep any ISO (A) fluid fr om being e xposed to ...

  • Graco 311511G - page 34

    Technica l Data 34 311511G T e chnical Data *Full load amps with all de vices oper ating at maximum capabilities with 210 ft (64.1 m) of hose. **When a su rge tra nsient is applied to the po wer lines of the unit, heat to the hose ma y be interrupted and r equire the hose heat s witch to be manually cycled. ***210 ft (64 m) of hea ted hose will pro ...

  • Graco 311511G - page 35

    Technical Data 311511G 35 ...

  • Graco 311511G - page 36

    All written and visual data contained in this document reflects the latest product information available at the time of publica tion. Graco reserves the right to make changes a t any time without notice. Original instructions. T his manual contains English. MM 311511 Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, Kore ...

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