Graco Inc. 311768B manual

311768B Operation Interior T e xture Spra y er s R TX 900 & R TX 1250 For W ater-Based Materi als Only Models: 254974 & 254975 70 psi (0.49 MP a, 4.9 bar) Maximum Fluid Working Pressure Related Manuals Import ant Safety Instructions. Read all warnings and instr uctions in this manual. Sav e these instr uctions. 311777 311772 Model 254975 Sh[...]

Warnings 2 Wa r n i n g s The f ollowing are general w arnings related to the setup , use, g rounding, mainten ance and repair of th is equipment. Additional, mo re specific warnings ma y be f ound through out the body of this manual where applicab le. Symbols appearing in the body of the man ual ref er to these genera l warnings. When th ese symbo[...]

Warnings 3 Burn Hazard Equipment surf aces and fluid that’ s heate d can become v ery hot dur ing opera tion. T o a void se vere b urns, do not touch hot fl uid or equipment. W ait until equipment/flu id has cooled completely . Electric Shoc k Hazar d T o reduce the r isk of electr ic shock: • Be sure spra yer is adequa tely grounded th rough e[...]

Warnings 4 CA UTION • W ater or material remaining in unit when temper atures are belo w freezing ca n damage motor and/or delay pump star tup. Do not allow unit to freeze . • Bef ore adding material or starting unit in cold weather , run warm water through pump . T o ensure water and mat erial are completely dr ained out of un it: 1. Remov e m[...]

Component Identi fication 5 Component Identification M D F A G C L Model 254975 Sho wn E K U T V B S Y cc R P bb N H J ti8939a W Item Component Item Component A Handle N Burp Guard B T oolbo x P Material/Air Hose C P ow er Cord (120V , 25 ft) Q Accessories Bag D Side Pump Access Panel (R T X 1250 O nly) R Mater ial Thickness Gaug e E RotoFle x ™ [...]

Preparation 6 Preparation Pressure Relief Procedure T o reduce risk of injur y , follo w this procedure whene v er y ou see this symbol throug hout this manual, Also , perf or m this procedure whene ver you : • Stop spra ying • Check or repair a ny par t of this system • Install or clean spra y nozzle 1. T ur n P ower Switch OFF . 2. T rigger[...]

Setup 7 Setup T e xture Spra ying (material supplied from unit) 1. Connect air hose and m ater ial hose to spray er a ir and material hose out lets. 2. Open air valv e. 3. Connect ai r hose to gun. 4. Connect material hose to gun. 5. Mak e sure b urp guard is installed, Cautio n , page 3. 6. Install spra y nozzle. See Recommended Nozzle Selection C[...]

Setup 8 9. T urn power switch ON. 10. Close gun air v alv e. 11. P oint gun into waste buck et and pull trig ger to pump water t hrough the system. Cont inue to trigger gun until material hopper is empty . 12. Add pr e-mixed te xture mix to m ater ial hoppe r . See Mixing Mate rial, page 10. 13. Contin ue to trigger gun and spra y into wast e buc k[...]

Setup 9 6. T ur n hopper gun/spr a y gun selector s witch to HOP- PER GUN. 7. Open gun air valv e. 8. T urn power switch ON. 9. T o achiev e uniform spray patter n, adjust air valv e and flo w adjustment n ut on gun. If y ou do not achie ve the desired spr a y pattern, change nozzles (see page 11). ti9220a ti8528a ti9222a ti8532a[...]

Mixing Material 10 Mixing Material Dry Mix - 40 lb (18 kg) ba g 1. Carefully mix te xture material and water according to manuf acturer instructions on bag. 2. Agitate to mix, using a ha lf-inch, variable speed drill with mixing paddle , to a smooth, lump-f ree consis- tency . 3. Allow ceiling te xture to set for at least 15 min utes. Then remix pr[...]

Spray Techniques 11 Spra y T echniques Recommended Nozzle Selection Char t 1 Control air volume with gun air v alve. 2 F or more material v o lume try a larger nozzle. Adjusting the System Sufficient fluid ou tput (v olume and pressure) and good atomization is a balance of atomo zing air , material thickne ss/material flow an d nozzle selection. Ac[...]

Shutdown and Cleanup 12 Shutdo wn and Cleanup T e xture Spra ying (8-10 gallon Ma terial Hopper) When you hav e finishe d spra ying: 1. Open gun air valv e. 2. Mak e sure hopp er gun/spr a y gun selection s witch is tur ned to SPRA Y GUN. 3. T urn power switch ON. 4. Close gun air v alv e. 5. T r igger gun into b ucket un til most of te xture mix i[...]

Shutdown and Cleanup 13 Removing Ma terial Hopper Fr om Spray er: The material hopper can be rem ov ed for cleaning . T o remov e material hopper : 1. Loosen botto m fitting. 2. Lift mater ial ho pper straight up, off unit. 3. Plug opening on bo ttom of material hopper with y our hand. 4. T ake hoppe r to cleaning ar ea. T o Reassemble: 1. Place ma[...]

Troubleshooting 14 T r oubleshooting Prob lem C ause Solution Spra yer won’t run P ower s witch not on T ur n s witch on. No pow er at wall outle t Chec k outlet by plugging in another appliance . If appliance does not work, try another outlet. Wrong size ge nerator Use a 3500 wa tt or larger gener ator . Ref er to Gener ator Require ments , page[...]

Troubleshooting 15 Speed of application slo w or slow er Material too thick Thin material. Nozzle too small Change nozzles to a larger siz e. See Recommended Nozzle Selection Char t, page 11. T oo much air being used. P ar tially close gun air v alve to r educe air flow . Pump hose worn Rep lace hose. Plugged or dirty gun Relie ve Pressure , page 6[...]

Technica l Data 16 Te c h n i c a l D a t a *Measured while sp ra ying at 1 m. **Measured per ISO- 3744 Main unit pow er requirement s 120 V ac , 60 Hz, 15A, 1 phase Maximum fluid wor king pressure 70 psi, (4.9 bar) Maximum air w orking pressure 50 psi, (3.5 bar) Compressor specifications Univ ersal motor thermally protected, oil-less Compresso r a[...]

Graco Warra nty 17 Graco W arranty Graco warrants all equipment ref erenced in this document which is manufactured b y Graco and bearing its na me to be free from defects in material and workmanship on the date of sale to the or iginal pu rchaser for use . With the e xception of any special, ex tended, or limited warranty pub lished by Graco , Grac[...]

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 311768 Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, Korea GRACO INC. P.O. BOX 14[...]