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Graco GTX 257030 manual

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Table of contents for the manual

  • Page 1

    313384B Operation GTX ™ 2000 EX - For W ater- Based Materials Only - Model 257030 Spra ye r with Graco T rigger Gun 120 psi (8.27 bar) Maxim um Working Air Pressure 120 psi (8.27 bar) Maximum W orking Fluid Pressure Related Manuals : Important Safety Instru ctions Read all warnings and instr u ctions in this manual. Sav e these instr uctions. Pum[...]

  • Page 2

    2 313384B Wa r n i n g s The f ollowing wa r nings are for t he setup, use , grounding, mainten ance, and repair of this equipment . The exclama- tion point symbol alerts you to a gener al warning and the hazard symbol ref ers to procedu re-specific risk. Refer back to these wa r nings. Additional, product- specific warnings ma y be fou nd througho[...]

  • Page 3

    313384B 3 PLASTIC P ARTS CLEANING SOL VENT HAZARD Use only compatib le water-based solv ents to clean plastic structural o r pressure-containing par ts. Man y solve nts can degrade plastic part s and cause them to f ail, which could cause serious injur y or proper ty damage. See Te c h n i c a l D a t a in this and all other equipment instr uction [...]

  • Page 4

    Component Identification 4 313384B Component Identification ti13066a A B H D C J G E F K L[...]

  • Page 5

    Component Identification List 313384B 5 Component Identification List * Ref erence numbers used in gun illustrations reflect n umbers shown in gun manual 308878. A Nozzle Stor age B Hopper C Hopper Quic k Connect D Diaphragm Pump E Material Outlet Option 1 F Material Outlet Option 2 G Gun Air Outlet Quick Connect H Mater ial (Pump) Air Pressure G a[...]

  • Page 6

    Pressure Relief Procedure 6 313384B Pressure Relief Pr ocedure 1. T ur n OFF air inlet valv e (E). 2. Open gun air valv e (23). 3. T rigger gun. Spra y material bac k into hopper (G). T o reduce th e risk of injur y , follow this Pressure Relief Procedure whene ver y ou: • Are instru cted to relie ve pressure • Stop spra ying • Ser vice equip[...]

  • Page 7

    Setup 313384B 7 Setup Preparation 1. Connect air a nd material hoses to gun. Tighten securely . 2. Connect one end of material hose (cc) to material outlet (K or L ) and other end to gun material inlet (bb). 3. Open gun air valv e (23). Remo ving and Installing Hopper Hopper (G) can be remov ed from car t for cle aning and when using Siphon Kit 248[...]

  • Page 8

    Setup 8 313384B Installing Hopper (G) 1. P osition coupler (H) o ver material outlet and slide hopper (G) straight down, o v er fitting as f ar as it will go . Mak e sure hopper brac ket is position ed ov er car t handle rod. 2. Secure latches o n each side by pushing them firmly up into locked position. Additional Equipment Needed A uxiliary Air C[...]

  • Page 9

    Wetting Hose 313384B 9 W etting Hose W et inside of hose bef ore each use to flush out sedi- ment and pre vent te xture material from packing out hose. 1. P our one (1) gallon (3.8 liters) of clean water into hopper . 2. Close gun air v alve (2 3). 3. T urn air inlet valv e (E) open. Aim gun int o hopper (G) and tr igger gun to circu late water for[...]

  • Page 10

    Wetting System 10 313384B W etting System 1. Fill hopper (G) with prep ared te xtured material. 2. Install tip (see Nozzle Selection Char t, page 13). 3. Open gun air valv e (23 ) to reliev e air pressure. 4. Inspect hose f or kinks which could restrict fluid flow . 5. T rigger gun into a pail. When textur e material appears at tip , mov e gun to h[...]

  • Page 11

    Mixing Material 313384B 11 Mixing Material 1. Slo wly add one bag of te xture to clean wate r as instructed on bag. F or best results , do not use par- tial bags . 2. Agitate to a smooth, lum p-free consis tency . 3. After te xture is thoroughly mix ed, gently set ball end of Material Thickne ss gauge on surface of mixtur e. 4. Observe ball on mate[...]

  • Page 12

    Operation Characteristics 12 313384B Operation Characteristics • Alwa y s hav e material outlet plug installed in opening (K or L) not in use when ma terial is in ho pper . If plug is remov ed, hopper will drain out. • Alwa y s ha ve material hose installed in opening (K or L) when material is in hopper . If hose is remo ved, hopper will drain [...]

  • Page 13

    Spray Techniques 313384B 13 Spra y T echniques Nozzle Selection † Control air v olume with gun air flow v alv e (31). ‡ F or more mater ial v olume, use tip with larger orifice. NO TICE K eep pump and hose clean when switching between simulate d acoustic, knoc kdown, and orange pe el applications. A dir ty pump can release particles of te xture[...]

  • Page 14

    System Adjustment 14 313384B System Adjustment 1. Open gun air valv e (23). 2. T est spra y patter n on cardboard. Hold gu n 18 to 30 in. (45 to 75 cm) from surf ace. Use this spra y dis- tance for most applicat ions. Overlap each str oke 50% in a circular moti on. 3. Adjust gun air v alve (23) to achie ve unif orm, round spra y pa tter n. It may b[...]

  • Page 15

    System Adjustment 313384B 15 Material Flow Adjustment • For a lighter spra y pa tter n, dec rease mate rial pres- sure at spra yer . • F or a heavier spr ay pa tter n, increase material pres- sure at spra yer . Air Flow Adjustment • T r igger g un. • T o de crease air f low , close air valv e (23) c lockwise. • T o increase air flo w , op[...]

  • Page 16

    Shutdown and Cleanup 16 313384B Shutdo wn and Cleanup After Spra ying 1. Relie ve Pressure , page 6. 2. Fill material hopper with 2 - 4 gallons of clean water . 3. Spra y inside material hopper to circ ulate water through gun and hose . While circulating w ater , use gun to clean material hopper . Spra y water into waste buck et to emp ty mater ial[...]

  • Page 17

    Maintenance 313384B 17 Maintenance Te c h n i c a l D a t a Component T ask Frequenc y Hoses Check f or wear and/or damage Daily Drain system of all water After each use Air and Material Hose Connections Add a f ew drops of light oil After each use Diaphragm Pump Lubric ate Remove h ose from pump a ir line and add 2 drops of machine oil to air inle[...]

  • Page 18

    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. This manual contains English. MM 313384 Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, Korea GRACO INC. P.O. BOX 14[...]