Instruction/ maintenance manual of the product NXT031 Graco
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Instr uctions-P ar ts Integrated Air Contr ol Modules 311239H EN Integrated air contr ols f or use with NXT ® Model 2200, 3400, and 6500 Air Motors. For prof essional use only . 100 psi (0.69 MP a, 6.9 bar) Maximum Regulated W or king Pressure NXT011, Series E With lock ing air regulator and 110 psi (0.
Related Manua ls 2 311239H Contents Related M anuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 W arnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . .
Warnings 311239H 3 Wa r n i n g s The f ollo wing warnings are f or the setup , use , groun ding, maintenance , and repair of this equipme nt. The e xclama- tion point symbol ale r ts you to a gener al wa r ning and th e haza rd symbols ref er to procedur e-specific risks.
Installation 4 311239H Installation Air Control Modules NXT011 and NXT 031 (loc king air regulator) and NXT021 (non-loc king air re gula- tor) are a v ailab le. 1. Install supplied o-ring (43) int o counterbore on upper side of air control mod ule (D).
Operation 311239H 5 Operation Component Identification Bleed-type Master Air V alve (B) The b leed-type maste r air va lv e is required in y our sys- tem to reliev e air trapped between it and the air mot or when the v alve is closed. Air Regulator (C) Adjusts air pressure to the mot or and fluid outlet pr es- sure of pump.
Operation 6 311239H Star tup Loc king Regulator (NXT011 and NXT031 onl y) Shutdown 1. T ur n air regulator knob (C) fully countercloc kwise. 2. Open b leed-type master air v alv e (B). 3. T urn air regulator knob (C) clockwise until air pres- sure reaches desired setpoint.
Troubleshooting 311239H 7 T r oub leshooting Prob lem Cause Solution Excess air leaking from regulat or housing, or ga uge shows unstab le regulated pr essure. Loose or w orn diaphragm (1 7d). Tighten h ousing or rep air regulator using repair ki t NXT095.
Troubleshooting 8 311239H Gauge pressure increases abo v e set point pressure . Leak across rear spoo l (8) o-ring, which raises pilot air pressure e ven while spra ying. Replace spool assemb ly (8) with spool kit NXT098. Leak across front spool (8) o-ring, which raises air mo tor pressure when stalled.
Repair 311239H 9 Repair Pressure Relief Pr ocedure Replace Filter Element Replace Gauge F ollow Pressure Rel ief Proced ure when y ou stop spra ying and be f ore cleaning, chec king, or servicing equipment. 1. Close blee d-type master air v alv e (B).
Repair 10 311239H Spool Repair Kit NXT098 Regulator Repair Kit NXT095 Quic k Exhaust Repair Kit NXT099 1. Relie v e pressure , page 9. 2. See Pa r t s dra wing, page 12. Using a 1/ 4 in. drive ratchet or a 3/8 in. deep w ell soc ket, remov e 2 screw s (37).
Repair 311239H 11 Ball V a lve Seal Repair Kit NXT097 1. Relie v e pressure , page 9. 2. See Par t s dra wing, page 12. Remov e the inlet fitting (32a) using a 1 5/16 in. wre nch. 3. See F IG . 2. Mov e the handle to the 7:30 po sition. Remov e the outboard seal ( 32b) with an o-ring pic k.
Parts 12 311239H Pa r t s NXT011 and NXT031 Loc king Integrated Air Contr ol Module NXT021 Non-Loc king Integrat ed Air Contr ol Module TI8323b 43 44 1 2 3 4 5 6 7 8 16 38 31 18 34 35 33 32a 32b 32c 32d 37 37 32e 32f 32g 32h 32j 32k 20a 20b 20c N TI8234d 50 T orque to 140 in-lb (16 N•m).
Accessories 311239H 13 * P arts included in Seal Repair Kit NXT096 (purchase separately). Recommended spare par ts. K eep on hand to a v oid downtime. † P ar ts included in Air Regulator Repair Kit NXT095 (purchase separ ately .) Accessories Ref.
Schematic Diagram 14 311239H Schematic Dia gram Air Filter Bleed-T ype Ball V alve Ov er pressure Saf ety Relief V alve Quick Air Purge AIR IN Air Pressure Gauge Spool A TMOSPHERE Air Regulat or Adjus.
Technical Data 311239H 15 Te c h n i c a l D a t a Maximum air inlet pressur e 140 psi (0.97 MP a, 9. 7 bar) Maximum regula ted workin g pressure 100 psi (0 .69 MP a, 6.9 bar) Maximum operating temperature 140°F (60° C) Air Inlet Siz e 3/4 npt(f) Air Gauge P or t Size 1/8 npt(m) Height 6.
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. Original instructions. This manual contains English.
An important point after buying a device Graco NXT031 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Graco NXT031 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Graco NXT031 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Graco NXT031 you will learn all the available features of the product, as well as information on its operation. The information that you get Graco NXT031 will certainly help you make a decision on the purchase.
If you already are a holder of Graco NXT031, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Graco NXT031.
However, one of the most important roles played by the user manual is to help in solving problems with Graco NXT031. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Graco NXT031 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
