Graco NXT Air Motor M02LN0 Instructions And Parts
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Graco NXT Air Motor M02LN0 Instructions And Parts

Graco NXT Air Motor M02LN0 Instructions And Parts

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Instructions/Parts
®
NXT
Air Motor
For use with high performance finishing and coating pumps in hazardous or
non-hazardous locations. For professional use only.
Models M02xxx, M04xxx, M07xxx, M12xxx, M18xxx, and M34xxx
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
instructions see your pump or package
manual. Hazard symbols refer to specific
procedure risks. Save all instructions.
See page 3 for model information.
312796S
EN
ti11838a

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Summary of Contents for Graco NXT Air Motor M02LN0

  • Page 1 Instructions/Parts ® Air Motor 312796S For use with high performance finishing and coating pumps in hazardous or non-hazardous locations. For professional use only. Models M02xxx, M04xxx, M07xxx, M12xxx, M18xxx, and M34xxx 100 psi (0.7 MPA, 7.0 bar) Maximum Working Pressure Important Safety Instructions Read all warnings and instructions in this manual.

  • 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, checking, or servicing equipment.

  • 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 M18xxx models have two mufflers (C). 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.

  • 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 (DataTrak Push solenoid release button (118). models with runaway protection).

  • 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 Replace Seals or Rebuild Air Valve Air Valve Seal Kits are available. See page 21 to order the correct kit for your pump. Parts are marked †. Air Valve Repair Kits are available. See page 21 to order the correct kit for your pump. Parts are marked . Air Valve End Cap Kits are available.
  • Page 11 Repair 110 Apply lubricant. 106† 110 107 106† DataTrak Models with 117 Runaway Protection 118 119† 104 103 111 112 105 108† 102 109† 112a 108† 112b 112c 107 106† ti11840a Two-Piece Cup for M07xxx, 110 M12xxx, and M18xxx Motors .
  • Page 12 Repair Reassemble the Air Valve 7. Install the spring (111). 1. Lubricate detent cam (104) and install into hous- 8. M02xxx and M04xxx Motors: Lubricate and install ing. the air valve cup (112). Align the small round mag- net with the air inlet. 2.

  • Page 13: Replace Pilot Valves

    Repair Replace Pilot Valves 1. Stop the pump at the middle of its stroke. Relieve the pressure. See page 9. 2. Disconnect the air line to the motor. 3. Remove the tie rod shield (TS). Slide the drip shield (DS) down on the tie rods. ti12815a .
  • Page 14 Repair Disassemble the Air Motor 7. Remove the top cover. Remove the o-ring (9*). 1. For motors with DataTrak: Remove screw to dis- 8. Remove the shield (12) from around the cylinder. connect the reed switch from the air valve. See F Remove the cylinder (11).
  • Page 15 Repair 7. See F . 12. Lubricate and install new u-cup seal 11. Install the tie bolts (10) hand tight. with flange (43*) in the bottom of the bearing in the 12. Install two gaskets (14*) on the manifold (15). Install bottom cover (1).

  • 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-M34xxx: 25-30 ft-lb (34-40 N•m) Apply lubricant. U-cup faces up. Flange (bottom seal only) faces down. See F . 12, page 15. 312796S...

  • Page 17: Air Motor Parts - All Models

    Air Motor Parts — All Models Air Motor Parts — All Models Ref. Description M02xxx M04xxx M07xxx M12xxx M18xxx M34xxx COVER, lower, assembly (includes 24A541 24A545 24C398 24A549 24A553 24A553 3, 9, 19, 22, 28, and 43) 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 M34xxx SOLENOID/REED SWITCH, See Reed 24B565 24B566 24B566 24B566 assembly, for DataTrak models with Switch runaway protection, includes 18 (qty. (31, this 2 or 4 depending on model), 26, 31, table) 32, and 33.

  • Page 19: Air Valve Parts

    Air Valve Parts Air Valve Parts 110 106† 110 107 106† DataTrak Models with Runaway 117 Protection 118 119† 104 103 111 112 105 108† 102 109† 112a 108† 112b 112c 107 106† Two-Piece Cup for M07xxx, 110 M12xxx, and M18xxx Motors ti11840a 312796S...
  • 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.

  • Page 21: Kits And Accessories

    Kits and Accessories Kits and Accessories Kit Description M02xxx M04xxx M07xxx M12xxx M18xxx M34xxx Complete Air Valve Replacement Kit – Standard 24A351 24A351 24A352 24A352 24A352 24A352 (No DataTrak or DataTrak with cycle count only) Complete Air Valve Replacement Kit – Compatible with DataTrak with Runaway 24A353 24A353 24A354...

  • Page 22: Dimensions

    Dimensions Dimensions Motor Weight Model inch (mm) inch (mm) inch (mm) inch (mm) inch (mm) lb (kg) M02xxx 6.8 (173) 9.2 (234) 6.2 (157) 4.2 (107) 5.5 (140) 4.5 (2.0) M04xxx 7.0 (178) 9.4 (239) 8.4 (213) 6.8 (173) 5.8 (147) 6.7 (3.0) M07xxx 7.7 (196) 10.1 (257)

  • 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 2.75 in Four (70 mm) 3-1/4 in. Three 3/8-24 4-1/2 in. M8 X 1.25 M8 X 1.25 (83 mm)
  • 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 M8 X 1.25 optional mounting holes ti12737a 3.38 in.

  • Page 25: Technical Data

    Technical Data Technical Data Maximum air inlet pressure ..... . . 100 psi (0.7 MPa, 7.0 bar) Stroke length (all except M34xxx) ....2.5 in. Stroke length (M34xxx only) .

  • 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.

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