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Graco Inc. 248685 manual

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Table of contents for the manual

  • Page 1

    310892F Operation GMAX ™ II 3900/5900/5900HD/5 900 Con ver tible/7900 T exSpra y 5900HD Con ver tible/7900HD Airless Spra yer s - For P or table Airless Spra ying of Architectur al Coatings and P aints - 3300 psi (22.8 MP a, 228 bar) Maximu m Working Pressure Read warnings and instructions GMAX ll 3900 248683 ✓✓ 248684 ✓✓ 248685 ✓✓ 24[...]

  • Page 2

    Manual Conventions 2 310892F Manu al Con ventions Note WARNING W ARN ING: a potenti ally hazardous situatio n which, if not av oided, could re sult in death or serious injur y . W ar nings in the instr uctions usually include a symbol indicating the ha zard. Read the gen eral Wa r n i n g s section f or additional saf ety information. CAUTION CA UT[...]

  • Page 3

    Warning 310892F 3 Wa r n i n g The f ollowing warnings include general saf e ty inf or mation f or this equipment. Fur ther product specific w ar nings ma y be included in the text where applicable. WA R N I N G FIRE AND EXPLOSION HAZARD Flammab le fumes, such as solv ent and paint fumes, in wo rk are a can ignite or e xplode. T o help pre vent fir[...]

  • Page 4

    Warning 4 310892F EQUIPMENT MISUSE HAZARD Misuse can ca use death or serious injury . • Do not exceed the maximum workin g pressure or temperature rating of the lo west rated system component. See T echnical Dat a in all equipment manuals . • Use fluids and solv ents that are compatib le with equipment wetted pa r ts. See T echnica l Data in al[...]

  • Page 5

    Component Identi fication 310892F 5 Component Identification 1 Engine controls 2 Engine ON/OFF s witch 3 Premium Digital Display 4 Pump On /Off Switch 5 Pressure control 6 Prime valv e & Filter 7 Suction tube & Inlet Filter 8 Premium A u toClean 2 ™ (not av ailable on all m odels) 9P u m p 10 Drain ho se 11 ProConnect ™ 12 T rig ger Loc[...]

  • Page 6

    Setup 6 310892F Setup 1. Connect appr opr iate Graco high-p ressure hose to spray er. Tighten secu rely . 2. Install adapter an d 3.6m whip hose to other end of 15m airless hose. 3. Install whip hose to fluid inlet of spra y gun. 4. Tighten securely . 5. Remo ve tip guard. ti57 8 0a ti7539a ti7747a ti57 8 2a ti57 83 a[...]

  • Page 7

    Setup 310892F 7 6. Remov e inlet strainer and filter bowl screen when spraying plaster materi- als. 7. Fill throat packing nut with TSL to pre- v ent premature packing wear . Do this each time you spra y . 8. Check engine oil le vel. Add SAE 10W -30 (summer) or 5W -20 (winter), if necessary . 9. Fill fuel tank. 10. Attach spra yer grounding clamp t[...]

  • Page 8

    Setup 8 310892F Con ver tible Mod els Chang e Engine to M otor 1. Disconnect engine power cord. 2. Release tension ba r . 3. Remov e e ngine; tilt and slide back. 4. Install motor ; drop in an d push f orward. ti5774a Release ti5775a ti5776a ti5777a[...]

  • Page 9

    Setup 310892F 9 Con ver tible Mod els Change Motor to Engine 1. Look through side vent holes and ensure dr ive belt is in motor pulley . 2. Secur e motor with t en- sion bar . 3. Plug in pressure control power cord. ti5772a Release ti5775a ti5779a[...]

  • Page 10

    Startup 10 310892F Star tup 1. Place suction tube and drain tube in grounded metal pail par tially fi lled with flushing fluid. Attach ground wire to pail and to ear th ground. 2. T ur n prime valve do wn. T ur n pressure control counterclockwise to low- est pressure. 3. Set pump switch OFF . -! 4%2)!, &,53( ti5788a ti5789a /&& ti5790a[...]

  • Page 11

    Startup 310892F 11 4. Start engine a Mov e fuel valve to open. b Mov e choke to closed. c Set throttle to f ast. d Set engine s witch to ON. ti524 8 a ti5249a ti5250a ti5262a[...]

  • Page 12

    Startup 12 310892F 5. Set pump s witch ON. - Pump/clutch is now active - e Pull star ter rope. f After engine star ts, mov e choke to open. g Set throttle to desi red setting. ti526 3 a TIA ti5251a ti595 8 a /.[...]

  • Page 13

    Startup 310892F 13 6. Increase pressure enough to star t pump stroking and allow fluid to circulate f or 15 seconds; tur n pressure down and turn pr ime v alve horizontal. 7. T ake spr ay gun tr igger saf ety OFF . 8. Hold gun against grounded metal flushing pail. T r igger gun and increase fluid pressure slowly until pump runs smoothly . Inspect f[...]

  • Page 14

    Startup 14 310892F SwitchTip and Guar d Assembly 9. Place siphon tube in material p ail. 10. T r igger gun again i nto flushing fluid pail until material appears. Assemble tip and guard, page 14. 1. Put trigger safe ty ON. Inser t SwitchTip . Inser t seat and OneSeal ™ . 2. Screw assembly onto gun. Hand tighten. -! 4%2)!, ti5797a &,53( ti5798[...]

  • Page 15

    Startup 310892F 15 Clearing Tip Clogs 1. T ri gger gun and spray test pattern. Slowly adjust pressure to elimi- nate heavy edges. Use smaller tip size if pres- sure adjustment can not eliminate heavy edges. 2. Hold gun per pendicular , 10-12 in. (25-30 cm) from surface . Spray bac k and forth. U se strokes ov er lapped by 50%. Star t gun move ment [...]

  • Page 16

    Startup 16 310892F Premium Operat ion Main Men u Close cov er when spra ying to protect display . 1. Do star tup steps 1. - 3. 2. Star t engine, page 11. Spray er M odel momen- tarily displa ys, e.g., G5900 = GMAX 5900 Pressure displa y appears. Dashes appear when pressure is less than 200 psi (14 ba r , 1.4 MP a). Note : Info r mation other than p[...]

  • Page 17

    Startup 310892F 17 Digital T racking System ™ (DTS) 3. Shor t press DTS button to move to Job Gallons (or Liters x 10). Note: JOB displa ys briefly , then the number of gallons spray ed above 800 psi (55 bar , 5.5 MP a). 4. Press and hold to reset to z e ro , or shor t press DTS button to mov e to Life- time Gallons (or Liters x 10). Note: LIFE d[...]

  • Page 18

    Startup 18 310892F W atchDog ™ Pr otection System Pump stops automatically when materi al pail is empty . Change Display Units: T o Activate: 1. Do Startup. 2. T ur n W atchDog s witch ON and WD ON dis- pla ys. EMPTY displa ys / flashes and the pump stops when W atchDog protection system detects an empty mate- rial pail. 3. T urn W atchDog switch[...]

  • Page 19

    Startup 310892F 19 Secondary Menu - Stored Data an d W atchDog Pump Protec tion Modes 1. Do Startup steps 1. - 3. Pressure must be at zer o. 2. Star t engine, page 11. Pressure displa y appears. 3. Press and hold DTS but- ton and tur n pump s w itch ON. Spray er m odel momen- tarily displa ys, e.g., G5900 = GMAX ll 5900. SERIAL NUM scrolls through [...]

  • Page 20

    Startup 20 310892F Secondary Menu - Stored Data and W atchDog Pump Prot ection Modes 4. Shor t press DTS button and date code disp la ys. 5. Shor t press DTS button and par t number dis- pla ys. 6. Shor t press DTS button and engine hours dis- plays . 7. Shor t press DTS button and LAST ERROR scrolls through display f ollowed by stored error messag[...]

  • Page 21

    Startup 310892F 21 Secondary Menu - Stored Data an d W atchDog Pump Protec tion Modes 8. Press and hold DTS but- ton until CLEAR ERROR NO ERROR CODE scrolls through the dis- play and then error code E=00 displa ys. See Manual 310893. 9. Shor t press DTS button again to mov e to W atch- Dog mode. Yo u m a y now short press and do step 10 or long pre[...]

  • Page 22

    Startup 22 310892F Secondary Menu - Stored Data and W atchDog Pump Prot ection Modes 12. Shor t press DTS button and software re visi on displa ys. 13. Shor t press to return to step 3. T ur n pump s witch OFF at any time to e xit stored data mode. ti6219a SMARTCONTROL ti5 8 22a /&&[...]

  • Page 23

    Cleanup 310892F 23 Cleanup If yo u suspect spra y tip or hose is clogged o r that pres- sure has not been fully r e lie ved after f o llowing the steps abov e, VER Y SLOWL Y lo osen tip guard retaining nut or hose end coupling to re liev e pressure gradually , then loosen completely . Clear hose or tip obstruction. Pressure Relief Procedure 1. Lock[...]

  • Page 24

    Cleanup 24 310892F 5. Unscrew bo wl, remove filter . Assemble without filter . Clean fliter . 6. Clean filter , guard and SwitchTip in fl ushing fluid. 7. Remov e siph on tube set from materi al and place in flushing fluid. Use water f or water base mater ial and appropri ate solvent f or oil base mater ial. 8. T ur n engine ON and star t engine. S[...]

  • Page 25

    Cleanup 310892F 25 9. Hold gun against mate - rial pail. T a k e trigger saf ety OFF . T ur n pres- sure control up until motor begins to dr ive pump . T rigger gun until flushing fluid appears. 10. Mo ve gun to fl ushing pail, hold gun against pail, trigge r gun to thor- oughly flush system. Release tri gger and put trigger safety ON . 11. T ur n [...]

  • Page 26

    Cleanup 26 310892F Caution: If flushing with w ater, do not leav e water in spra yer . Flush again with min eral spirits, oil or Pump Ar mor and leav e this protec- tive coating in the spr ayer to help prev ent freezing or corrosion and increase spray er li f e. 13. Close pr ime valv e. T r ig- ger gun into flushing pai l to purge fluid fro m hose.[...]

  • Page 27

    Warranty / Garantie / Garantía / Garanzia / Garantia 310892F 27 W arranty / Garantie / Garantía / Garanzia / Garantia Graco warrants all equipment referenced in this document which is manuf actured by Graco and bearing its name to be free from de fec t s in material and workmanship on the date of sale to the original pu rc haser for use . With th[...]

  • Page 28

    Warranty / Garantie / Garantía / Garanzia / Garantia 28 310892F T O PLACE AN ORDER , contact y our Graco distributor , or call 1-800-69 0-2894 to identify the nearest distr ibu tor . 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[...]