Graco Inc.メーカー233757の使用説明書/サービス説明書
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Instructions/ Parts List Low Pressure Fluid Regulators 309474 K EN Important Safety Instructi ons Read all warnings and instr uctions in this manual. Save these instructions.
2 309474K Contents List of Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Back P ressure R egulators . . . . . . . . . . . . . . . . . 6 Fluid Pres sure Reg ulators .
List of Model s 309474K 3 List of Models Key to Model Designation Fluid Press ure Regulat ors Part No. Series Model Type Maximum Fluid Inlet Pr essure Regulated Pr essure Range 233757 234263 B B P20- .
Warning 4 309474K WARNING EQUIPMENT MISUSE HAZARD Equip ment misus e can cause the equipm ent to rup ture or mal function and result in serious injury. • This e quipment is for professi onal use onl y. • Read all i nstructio n manuals , tags, an d labels bef ore operating t he equipme nt.
Warning 309474K 5 PRESSURIZED EQUIP MENT HAZARD Spray f rom the gu n, hose leak s, or rupt ured compon ents can sp lash flui d in the e yes or on th e skin and cause s erious injury . • Do not p oint the gu n at anyon e or at any p arts of the bo dy.
Introduc tion 6 309474K Introduction A fluid pre ssure regu lator is use d in air spray sys tems to ensure accurate, p ositive co ntrol of fluid press ure to an air spray gun or to a low pres sure di spensing v alve or atomizi ng head.
Introduc tion 309474K 7 Fig. 2. Cutaway of Mechanical Fluid Pressure Regulator Fig. 3. Cu taway of Pneu matic Fluid Pr essure Reg ulator TI1772A Sprin g Valve plunger Fluid Outl et (to gun) Adj ustm e.
Inst allation 8 309474K Installation 1. Install o ne regulator for each sp ray gun. 2. Apply th read sea lant to co nnect ions as nec essary. 3. Make sure that the direction of fluid flow agrees wit h the flo w direction markin gs on the re gulator body .
Installa tion 309474K 9 Fig. 5. Low pressu re, non-circulat ing syste m, pneumatic fluid regulator Key A C D B F G Air to Fluid Regulator Air to Gun Air to Pump F l u i d Y E B AB TI1766A A Air li ne .
Inst allation 10 309474K Fig. 6. Low Pressure circulati ng system, pneumatic fluid regulat or and back pressure regulator Key A B J Air to gun Fluid to gun H C A B A B K G Air to Fluid Regulator Air t.
Operatio n 309474K 11 Operation Flush Before First Use Your pres sure regu lator has been tested in the fac tory with an anti-corro sion liqui d. Before using the r egulator, thorough ly flush the system with a sol vent to rem ove residu e of this liqui d as well as any contami nants that have been introdu ced during assembly o f the system .
Troub leshooti ng 12 309474K Troubleshooting Relieve the pressure (page 11) b efore ch ecking or repairing the equipment . To repair the regu lator, refe r to page 1 3. Problem Cause Solution Drop in f luid outlet pre ssure. Ruptured diaphragm ( 15). Repla ce diaphra gm.
Main tenance 309474K 13 Maintenance Flushing Flush befo re changin g colors, a t the end of the day, before s toring, and b efore repai ring the equ ipment . Flush with a fluid that is c ompatible with the fluid y ou are pumping a nd with the wetted part s of your sy stem.
Parts 14 309474K Parts Mechanical Fl uid Pressure Regulators Part Nos. 233759 and 23426 7 TI1753A 28 25 26 24 22 21 20 19 18 10 12 13 11 17 15 14 2 3 4 1 10 5 6 7 4 8 9 23 16 27 Torque to 6 N•m (53 in-lb). Torque to 2 N•m (18 in-lb). Fill internal cavity with grease.
Parts 309474K 15 Mechanical Back Pressur e Regulators Part Nos. 233812 and 234258 Torque to 6 N•m (53 in-lb). Torque to 2 N•m (18 in-lb). Fill internal cavity with grease. Used only on non-npt model 233812. Torque to 5 N•m (44in-lb). 1 2 3 5 6 28 25 26 24 22 21 20 19 18 10 12 13 11 17 15 14 2 3 4 1 10 4 8 9 23 16 27 2 1 3 5 5 TI112 48a 6 Ref.
Parts 16 309474K Mechanical Fl uid Pressure Regulators Part Nos. 233757, 233 774, 234263, and 234273 TI1751A 3 4 28 25 24 22 21 19 10 12 13 11 17 15 14 2 3 4 1 10 5 6 7 4 8 9 23 16 2 1 5 5 Torque to 4-5 N• m (35-44 in-lb). Torque to 2 N•m (18 in-lb).
Parts 309474K 17 Mechanical Back Pressure Regul ators Part Nos. 233758, 233 811, 233950, 234255, 234261, and 2342 62 3 4 28 25 24 22 21 19 10 12 13 11 17 15 14 2 3 4 1 10 4 8 9 23 16 2 1 5 5 Torque to 4-5 N • m (35-44 in-lb). Torque to 2 N•m (18 in-lb).
Parts 18 309474K Pneumatic Flui d Pressure Regulators Part Nos. 233773, 233 809, 234272, and 234256 TI1755A 25 24 21 17 10 12 13 11 15 14 2 3 4 1 10 5 6 7 4 8 9 23 16 2 1 3 4 26 27 Torque to 4-5 N•m (35-44 in-lb). Torque to 2 N•m (18 in-lb). Torque to 5 N•m (44 in-lb).
Parts 309474K 19 Pneumatic Back Pressur e Regulators Part Nos. 233810 and 23425 7 25 24 21 17 10 12 13 11 15 14 2 3 4 1 10 4 8 9 23 16 2 1 3 4 26 27 Torque to 4-5 N•m (35-44 in-lb). Torque to 2 N•m ( 18 in-lb). Torque to 5 N•m ( 44 in-lb). Grease OD.
Technic al Data 20 309474K Technical Data * Acces sory gau ges availa ble. Category Data Maximum Fluid Inle t Pressure (Flu id Pres sure Regula tors ) 233757, 2 33773, 233774, 233 809, 234256, 2 34263.
Acce ssory Gauges 309474K 21 Accessory Gauges Flow Rate Data Maximum fluid flo w with 10 weigh t oil, regul ator wide ope n and no do wnstream restriction s.
Mountin g Dimension s 22 309474K Mount ing Dim ensi ons Part No. Thread Dimension A 233757 234263 M5 24 mm ( 0.95 in.) 233758 234262 M5 24 mm ( 0.95 in.) 233759 234267 M5 24 mm ( 0.95 in.) 233773 234272 M5 24 mm ( 0.95 in.) 233774 234273 M5 24 mm ( 0.
Mount ing D imens ions 309474K 23.
All written and visual data contained in this document reflects t he latest product i nformation available at the time of publica tion. Graco rese rves the right to make changes at any time without notice. This manual contains English. MM 309474 Graco H eadquarte rs: Min neapol is International O ffices: Bel gium, China, Jap an, Korea GRACO INC.
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