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Instructions/Parts
®
NXT
Air Motor
For use with high performance finishing and coating pumps in hazardous and
non-hazardous locations.
Models M02xxx, M04xxx, M07xxx, M12xxx, and M18xxx
100 psi (0.7 MPA, 7.0 bar) Maximum Working Pressure
Important Safety Instructions
Read all warnings and instructions in this
manual. For complete warnings and
instruction see your pump or package
manual. Hazard symbols refer to specific
procedure risks. Save all instructions.
See page 3 for model information
.
312796B
TI11836A
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Table of Contents
Related Manuals for Graco NXT M02 Series
Summary of Contents for Graco NXT M02 Series
- Page 1 Instructions/Parts ® Air Motor 312796B For use with high performance finishing and coating pumps in hazardous and non-hazardous locations. Models M02xxx, M04xxx, M07xxx, M12xxx, and M18xxx 100 psi (0.7 MPA, 7.0 bar) Maximum Working Pressure Important Safety Instructions Read all warnings and instructions in this manual.
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Page 2: Table Of Contents
Graco Standard Warranty ....26 Graco Information ......26... -
Page 3: Warnings
Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama- tion point symbol alerts you to a general warning and the hazard symbol refers to procedure-specific risk. Refer back to these warnings. Additional, product-specific warnings may be found throughout the body of this manual where applicable. - Page 4 Warnings WARNING WARNING WARNING 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, check- ing, or servicing equipment.
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Page 5: Models
Models Models Check your motor’s identification plate (ID) for the 6-digit part number of your motor. Use the following matrix to define the construction of your motor. For example, motor part number M04LT0 represents an air motor (M), with 400 cc displacement, a 3.5 in. -
Page 6: Component Identification
Component Identification Component Identification Model M04LT0 shown ti12753a M18xxx models have two mufflers ti12645a . 1: NXT Air Motor components Key: Air valve Air inlet, 1/4 in. npt(f) for M02xxx and M04xxx models, 1/2 in. npt(f) for M07xxx, M12xxx, and M18xxx models Muffler (M18xxx models have a second muffler, see inset) Pilot valve Manifold... -
Page 7: Grounding
Component Identification Grounding Accessories Bleed-type master air valve See F . 2. Verify that the ground screw (GS) is attached Trapped air can cause the pump to cycle unexpectedly, and tightened securely to the air motor. Connect the which could result in serious injury from splashing or other end of the ground wire (U) to a true earth ground. -
Page 8: Troubleshooting
Troubleshooting Troubleshooting NOTICE Check all possible problems and causes before dis- assembling the pump. Relieve the pressure before checking or servicing the equipment. Problem Cause Solution Air motor will not run. DataTrak solenoid engaged (Data- Push solenoid release button (118). Trak models only). -
Page 9: Repair
Repair Repair Preventive Maintenance Repair Air Valve Schedule The operating conditions of your system determine how often maintenance is required. Establish a preventive maintenance schedule by recording when and what kind of maintenance is needed, and then determine a regular Replace Complete Air Valve schedule for checking your system. - Page 10 Repair 5. For motors with DataTrak: Also remove the sole- Replace Seals or Rebuild Air Valve noid bracket (25). Pull the solenoid (26) out of the air Air Valve Seal Kits are available. See page 21 to valve. order the correct kit for your pump. Parts are marked with an †.
- Page 11 Repair 110◆✠ 106†✠◆ 110◆✠ 107✠ 119†✠◆ 117✠ DataTrak Models 118✠ 104◆ 103◆ 111◆ 112◆ 105◆ 108†◆ 102◆ 109†◆ 108†◆ 107✠ 106†✠◆ 110◆✠ ti11840a Apply lubricant. . 6: Air valve assembly 312796B...
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Page 12: Replace Pilot Valves
Repair Reassemble the Air Valve 7. Install the spring (111◆). Lubricate and install the air valve cup (112◆). Align the small round magnet 1. Lubricate detent cam (104◆) and install into hous- with the air inlet. ing. 2. Lubricate the u-cups (108†◆) and install on the pis- ton (102◆) with lips facing toward the center of the piston. -
Page 13: Repair Air Motor
Repair Repair Air Motor 5. Use a socket to remove the mounting screws (MS). NOTE: Air Motor Seal Kits are available. See page 21 for the correct kit for your motor. Parts included in the kit are marked with an asterisk (*). For best results, use all the parts in the kit. - Page 14 Repair Disassemble the Air Motor 7. Remove the top cover. Remove the o-ring (9*). 1. For motors with DataTrak: Remove cover from 8. Remove the shield (12) from around the cylinder. reed switch assembly. Remove screw to disconnect Remove the cylinder (11). the assembly from the air valve.
- Page 15 Repair Reassemble the Air Motor 12. Install two gaskets (14*) on the manifold (15). Install the manifold (15). Torque bolts to 95-105 in-lb 1. See F . 11. Lubricate and install new u-cup seal (10.7-11.9 N•m). (3*) in the bottom of the bearing in the bottom cover. Lips must face down.
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Page 16: Parts
Parts Parts 15 18 16*◆ ti11900a Torque varies by motor size. M02xxx-M04xxx: 11-13 ft-lb (15-18 N•m) M07xxx-M18xxx: 25-30 ft-lb (34-40 N•m) Apply lubricant. 312796B... -
Page 17: Air Motor Parts - All Models
Air Motor Parts — All Models Air Motor Parts — All Models Ref. Description M02xxx M04xxx M07xxx M12xxx M18xxx COVER, lower, assembly 25A541 24A545 24A549 24A553 (includes 2, 3, 9, 19, 22, and 28) U-CUP Not sold separately. See Air Motor Seal Kit (page 21) or Lower Cover Assembly (1, this table) PISTON, motor, assembly, 24A542... - Page 18 Air Motor Parts — All Models Ref. Description M02xxx M04xxx M07xxx M12xxx M18xxx BUMPER KIT, includes lower 24A914 24A914 24A915 bumper, upper bumper, and screws (M18xxx only) BUMPER, upper (M18xxx only) Not sold sepa- rately. See SCREW, M5, flat head (M18xxx Bumper Kit only) (28, this table)
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Page 19: Air Valve Parts
Air Valve Parts Air Valve Parts 110◆✠ 106†✠◆ 110◆✠ 107✠ 119†✠◆ 117✠ DataTrak Models 118✠ 104◆ 103◆ 111◆ 112◆ 105◆ 108†◆ 102◆ 109†◆ 108†◆ 107✠ 106†✠◆ 110◆✠ ti11840a 312796B... - Page 20 Air Valve Parts Air valve parts are not sold individually. The table below shows possible kit options for each part. See page 21 to order the correct kit(s), or full replacement air valves, for your motor. Air Valve Air Valve Air Valve Ref.
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Page 21: Kits And Accessories
Kits and Accessories Kits and Accessories Kit Description M02xxx M04xxx M07xxx M12xxx M18xxx Complete Air Valve Replacement Kit – 24A351 24A351 24A352 24A352 24A352 Standard Complete Air Valve Replacement Kit – ----- 24A353 24A354 24A354 24A354 DataTrak Compatible * Air Motor Seal Kit 24A539 24A543 24A547... -
Page 22: Dimensions
Dimensions Dimensions Weight Air Motor Model A, inch (mm) B, inch (mm) C, inch (mm) D, inch (mm) E, inch (mm) lb (kg) 6.8 (172) 9.2 (233) 6.2 (157) 4.2 (107) 5.1 (130) 4.5 (2.0) M02xxx 6.8 (172) 9.2 (233) 7.8 (198) 5.6 (142) 5.8 (147) -
Page 23: Mounting Hole Diagrams
Mounting Hole Diagrams Mounting Hole Diagrams M02xxx (2.5 in.) M04xxx (3.5 in.) 3 in. 3 in. (76 mm) (76 mm) Two M8 Two M8 mounting holes mounting holes ti12734a ti12736a 4-1/2 in. 3-1/4 in. Three 3/8-24 Three 3/8-24 (114 mm) (83 mm) tie rod holes tie rod holes... - Page 24 Mounting Hole Diagrams M12xxx (6 in.) Three 5/8-11 tie rod holes 5.906 in. 4 in. (150 mm) (102 mm) bolt circle Two M8 mounting holes 2.0 in. (50 mm) 5.250 in. ti12738a (133 mm) Four 3/8-16 optional mounting holes ti12737a 3.38 in.
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Page 25: Technical Data
Technical Data Technical Data Maximum air inlet pressure ..... . . 100 psi (0.7 MPa, 7.0 bar) Stroke length ........2.5 in. Air inlet size M02xxx –... -
Page 26: Graco Standard Warranty
With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.