Graco NXT031 - Manual

Operation 311239H 5 Operation Component Identification Bleed-type Master Air Valve (B) The bleed-type master air valve is required in your sys-tem to relieve air trapped between it and the air motor when the valve is closed. Air Regulator (C) Adjusts air pressure to the motor and fluid outlet pres-s...

Operation 6 311239H Startup Locking Regulator (NXT011 and NXT031 only) Shutdown 1. Turn air regulator knob (C) fully counterclockwise. 2. Open bleed-type master air valve (B). 3. Turn air regulator knob (C) clockwise until air pres-sure reaches desired setpoint. C TI8322c B TI8236c C TI8236c 1. To l...

Troubleshooting 311239H 7 Troubleshooting Problem Cause Solution Excess air leaking from regulator housing, or gauge shows unstable regulated pressure. Loose or worn diaphragm (17d). Tighten housing or repair regulator using repair kit NXT095. See page 10. Worn seat (17e) or poppet (17f). Repair reg...

Repair 311239H 9 Repair Pressure Relief Procedure Replace Filter Element Replace Gauge Follow Pressure Relief Procedure when you stop spraying and before cleaning, checking, or servicing equipment. 1. Close bleed-type master air valve (B). 2. Make sure gauge (D) reads zero (0). If not, pull on press...

Repair 10 311239H Spool Repair Kit NXT098 Regulator Repair Kit NXT095 Quick Exhaust Repair Kit NXT099 1. Relieve pressure, page 9. 2. See Parts drawing, page 12. Using a 1/4 in. drive ratchet or a 3/8 in. deep well socket, remove 2 screws (37). Use a 3/8 in. open-end wrench to remove the third screw...

Parts 12 311239H Parts NXT011 and NXT031 Locking Integrated Air Control Module NXT021 Non-Locking Integrated Air Control 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 Torque to 140 in-lb (16 N•m). Torque to 500 in-lb ...

Accessories 311239H 13 * Parts included in Seal Repair Kit NXT096 (purchase separately).  Recommended spare parts. Keep on hand to avoid downtime. † Parts included in Air Regulator Repair Kit NXT095 (purchase separately.) Accessories Ref. No. Part No. Description Qty 1 15G298 HOUSING, right 1 2 15G...

Schematic Diagram 14 311239H Schematic Diagram Air Filter Bleed-Type Ball Valve Overpressure Safety Relief Valve Quick Air Purge AIR IN Air Pressure Gauge Spool ATMOSPHERE Air Regulator Adjustment Knob TO MOTOR Supply Pressure Regulated Pressure Pilot Pressure Pilot Valve Pilot Vent Diaphragm Atmosp...

Technical Data 311239H 15 Technical Data Maximum air inlet pressure 140 psi (0.97 MPa, 9.7 bar) Maximum regulated working pressure 100 psi (0.69 MPa, 6.9 bar) Maximum operating temperature 140°F (60°C) Air Inlet Size 3/4 npt(f) Air Gauge Port Size 1/8 npt(m) Height 6.5 in. (165 mm) Width 6.75 in. (1...

All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice. Original instructions. This manual contains English. MM 311239 Graco Headquarters: Minneapolis Int...