User manual GRACO ULTIMATE NOVA 1000

[. . . ] and keep it for rsference. Thii manual contains important Warnings 1 HP, Portable, Electric . . LTIMATE Model W, Series A Less hdse, . gun. and filter SzW psi (210 bad MAXIMUM WORKING PRESSURE AIRLESS PAINT SPRAYER . Warnings. . . . 2 Avertissarnent 4 Advertencih . 6 S t UptOperation e 8 Shutdown and Care. ; 9 Rushing 10 Tmubleshooting 11 Repair index . lS Parts Lists 8 Drawings 32 -How To Order Replacement Parts . 37 Technical Data Back Cover . . . . . . . . . . . . . . . . . . . . . . . . . 4, 323, 741 PATENTED 1984, Canada Brevete 1985 _. *. [. . . ] Be sure male terminal blades are centered and firmly connected to female terminals. Replace any loose terminal or damaged wiring. Securely reconnect wires to bridge. I. Check for loose motor brush leads and terminals. See page 25. i. Tighten terminal screws. Check for worn motor brushes which should be 9 / 1 6 minimum length on longestside. See page 25. 0. Check for broken and misaligned motor brush springs. Rolled portion of spring must resf squarely on top of brush. 1. Check motor brushes for binding . :i orush holders. See page 25. 0. Replace spring if broken. See page 25. 25. 1. Clean brush holders. remove carbon dust with small cleaning brush. Align brush lead with slot in brush holder to assure free vertical brush movement. Meplace motor. 2. Check circuit board (307) substituting by with a good circuit board. 3. Check motor armature for shorts by. using an armature tester (growler) or perform spin test. 3 4. Check bridge (308)by substituting with a good bridge or by performing bridge the test. CAUTION: Do not perform this check until armature is determined to be good. A bad armature will immediately bum out a g c d bridge. See page 31. 1. Repiace bridge. Check for loose suction tube or fittings. 6 Refill and reprime pump. Remove and clean, then reinstall. Tighten; use thread sealant or sealing tape on threads if necessary. (Continuedl [Continued) WHAT TO CHECK If check is OK, I O to next check " When check is not OK refer to t i COIU hs WHAT TO DO Y OUTPUT O . - . Check to see if intake valve b l and piston a ball are seating properly. [. . . ] 328 820-431 BUSHING, relief Strain 329 820434 TIP, black pin, plastic 344 345 1 1 1 3 1 820-424 SCREW, mach. 8x5116" long 820-410 ELBOW; street; 1/4n p t h x f ) 820-322 CONNECTOR, conduit 82fi4U NIPPLE, 1/4npt &W1 NIPPLE, 114 npt(m)x 1/4npsm . . . 1 1 1 1 '> : i 307 number in description refers to separate instruction manual. "Warning labels and tags supplied at no charge. See "How To Order ReplacementPam" on page37. . [. . . ]