Graco NXT021, NXT031, NXT011 User Manual
Instructions-Parts
Integrated Air
311239H
Control Modules
Integrated air controls for use with NXT® Model 2200, 3400, and 6500 Air Motors. For
professional use only.
100 psi (0.69 MPa, 6.9 bar) Maximum Regulated Working Pressure
NXT011, Series E
With locking air regulator and 110 psi (0.76 MPa, 7.6 bar) relief valve
NXT021, Series E
With non-locking air regulator and 110 psi (0.76 MPa, 7.6 bar) relief valve
EN
NXT031, Series E
With locking air regulator and 85 psi (0.58 MPa, 5.8 bar) relief valve
Important Safety Instructions
Read all warnings and instructions in this manual
and in NXT air motor manual 311238. Save these
instructions.
Integrated Air Control Module shown
mounted on an NXT Air Motor
TI8233c
Related Manuals
Contents
Related Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Related Manuals
Manuals are available at www.graco.com.
This manual is available in the following languages:
Manual Language
3A0081 Chinese
3A0082 Danish
3A0083 French
3A0084 Finnish
3A0085 German
3A0086 Greek
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . . . 14
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 16
Graco Information . . . . . . . . . . . . . . . . . . . . . . . . . 16
3A0087 Italian
3A0088 Japanese
3A0089 Korean
3A0090 Norwegian
3A0091 Polish
3A0092 Portuguese
312917 Russian
313800 Spanish
3A0093 Swedish
3A0094 Turkish
2 311239H
Warnings
Warnings
The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. Refer
back to these Warnings. Additional, product-specific warnings may be found throughout the body of this manual
where applicable.
WARNING
PRESSURIZED EQUIPMENT HAZARD
Fluid from the gun/dispense valve, leaks, or ruptured components can splash in the eyes or on skin and
cause serious injury.
• Follow Pressure Relief Procedure in this manual, when you stop spraying and before cleaning,
checking, or servicing equipment.
• Tighten all fluid connections before operating the equipment.
• Check hoses, tubes, and couplings daily. Replace worn or damaged parts immediately.
PERSONAL PROTECTIVE EQUIPMENT
You must wear appropriate protective equipment when operating, servicing, or when in the operating
area of the equipment to help protect you from serious injury, including eye injury, inhalation of toxic
fumes, burns, and hearing loss. This equipment includes but is not limited to:
• Protective eyewear
• Clothing and respirator as recommended by the fluid and solvent manufacturer
•Gloves
• Hearing protection
EQUIPMENT MISUSE HAZARD
Misuse can cause death or serious injury.
• Do not operate the unit when fatigued or under the influence of drugs or alcohol.
• Do not exceed the maximum working pressure or temperature rating of the lowest rated system
component. See Technical Data in all equipment manuals.
• Use fluids and solvents that are compatible with equipment wetted parts. See Technical Data in all
equipment manuals. Read fluid and solvent manufacturer’s warnings. For complete information
about your material, request MSDS forms from distributor or retailer.
• Check equipment daily. Repair or replace worn or damaged parts immediately with genuine Graco
replacement parts only.
• Do not alter or modify equipment.
• Use equipment only for its intended purpose. Call your Graco distributor for information.
• Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.
• Do not kink or over bend hoses or use hoses to pull equipment.
• Keep children and animals away from work area.
• Comply with all applicable safety regulations.
311239H 3
Installation
Installation
Air Control Modules NXT011 and NXT031 (locking
air regulator) and NXT021 (non-locking air regulator) are available.
1. Install supplied o-ring (43) into counterbore on upper
side of air control module (D). Fasten module to air
motor (M) with two supplied screws (44). Start
threading screws by hand before using a tool.
Torque to 20 ft-lb (27.1 N•m).
1
Screws are thread-forming. Start threading by hand
before using a tool. Torque to 20 ft-lb (27.1 N•m).
M
43
3. Turn air regulator knob (C) fully counterclockwise.
C
TI8322c
4. Hold the 3/4 npt(f) air inlet fitting (A) with a 1-5/16 in.
wrench to prevent it from turning while securely connecting the air supply hose.
A
TI8235c
2. Close bleed-type master air valve (B).
B
D
44
1
TI8323c
TI8322c
4 311239H
Operation
Operation
Component Identification
Air Control Modules NXT011 and NXT031 (locking
air regulator) and NXT021 (non-locking air regulator) include air line components in an integrated
assembly. See F
Bleed-type Master Air Valve (B)
Trapped air can cause the pump to cycle unexpectedly,
which could result in serious injury from splashing or
moving parts.
The bleed-type master air valve is required in your system to relieve air trapped between it and the air motor
when the valve is closed.
Air Regulator (C)
IG. 1.
Key for F
A Air Inlet, 3/4 npt(f)
B Bleed-type Master Air Valve
C Air Regulator Adjustment Knob (locking or non-locking)
D Air Pressure Gauge
E Air Filter (partially hidden)
F Safety Relief Valve
IG. 1
Adjusts air pressure to the motor and fluid outlet pressure of pump. View the gauge (D) to read air pressure.
Air Filter (E)
Removes harmful contaminants from entering the air
control module and air motor.
Safety Relief Valve (F)
Automatically opens to relieve air pressure, to prevent
pump overpressurization.
A
E
B
FIG. 1: Air Control Module Mounted on NXT Air Motor
F
C
D
TI8233c
311239H 5
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