Graco NXT 25A641 Instructions/Parts And Repair
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Graco NXT 25A641 Instructions/Parts And Repair

Graco NXT 25A641 Instructions/Parts And Repair

2.5” air motor with 0.75” stroke
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Instructions/Parts and Repair
®
NXT
Air Motor
2.5" NXT Air Motor with 0.75" Stroke
For use with Graco fluid handling pumps. For professional use only.
Part No. 25A641
100 psi (0.7 MPa, 7.0 bar) Maximum Air Inlet Pressure
Important Safety Instructions
Read all warnings and instructions in this manual
and in all related manuals. Save all instructions.
3A3442B
EN

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Summary of Contents for Graco NXT 25A641

  • Page 1: Related Manuals

    ® Air Motor 3A3442B 2.5” NXT Air Motor with 0.75” Stroke For use with Graco fluid handling pumps. For professional use only. Part No. 25A641 100 psi (0.7 MPa, 7.0 bar) Maximum Air Inlet Pressure Important Safety Instructions Read all warnings and instructions in this manual...

  • Page 2: Table Of Contents

    Technical Data ......18 Graco Standard Warranty ....19...

  • 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 symbols refer to procedure-specific risks. When these symbols appear in the body of this manual or on warning labels, refer back to these Warnings. Product-specific hazard symbols and warnings not covered in this section may appear throughout the body of this manual where applicable.
  • Page 4 Warnings FIRE AND EXPLOSION HAZARD Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. Paint or sol- vent flowing through the equipment can cause static sparking. To help prevent fire and explosion: • Use equipment only in well ventilated area. •...

  • Page 5: Repair

    Procedure when you stop dispensing and before cleaning, checking, or servicing the equipment. Disassemble the Air Valve The NXT air motor is used with the Graco DynaMite 190 1. Perform steps 1-3 under Replace Complete Air Pump. Follow the Pressure Relief Procedure Valve, page 5.
  • Page 6 Repair ti16213a Apply lubricant. . 2. Air Valve Assembly 3A3442B...

  • Page 7: Replace Pilot Valves

    Repair Reassemble the Air Valve 7. Install the spring (311). Lubricate and install the air valve cup (312), see F . 4. Align the small round 1. See F . 2. Lubricate detent cam (304) and install magnet with the air inlet. into housing.
  • Page 8 Repair Apply lubricant. Item 214 consists of items 301-312. *202 *217 *207 209* TI16130a . 5. Air Valve To Motor Assembly 3A3442B...

  • Page 9: Repair Air Motor

    Repair Repair Air Motor NOTE: Complete Air Motor Replacement Kits are avail- able. See page 16. NOTE: Bottom Cover Kits are available. See page 16. NOTE: Air Motor Piston Kits are available. See page 16. NOTE: Air Motor Seal Kits are available. See page 16. NOTE: Air Motor Seal Kits are available.
  • Page 10 Repair Reassemble the Air Motor shield (206) is in the groove on both the top and bot- tom covers. NOTE: For easier reassembly, start with the top cover (210) turned over on the workbench and assemble the air motor upside-down. 1.

  • Page 11: Troubleshooting

    Troubleshooting Troubleshooting NOTE: Check all possible problems and causes before disassembling the air motor. Relieve the pressure before checking or servicing the equipment. Problem Cause Solution Air motor will not run. Damaged air valve (214). Replace or service the air valve (214). See page 5.

  • Page 12: Parts

    Parts Parts Air Motor Parts Part No. 25A641, 2.5 in. (63.5 mm) TI16130a Apply adhesive (200) to threads, per directions on packet. Lubricate with grease (299). Lubricate inside surface of cylinder with grease (299). Lips face down. Torque to 35-40 ft-lb (47-54 N•m). Lips face up.
  • Page 13 Parts Air Motor Parts Part No. 25A641, 2.5 in. (63.5 mm) Ref. 25A641 Description 24G695 KIT, cover, bottom; includes 202 (qty 1), 203, 207, 213 (qty 1), and 217 Not sold separately. See page 14. O-RING, cover Not sold separately. See page 14. BEARING Not sold separately.

  • Page 14: Air Motor Parts

    Parts Air Motor Parts Manifold Air Motor Bottom Air Motor Assembly Seal Kit Cover Kit Cover Kit Piston Kit Ref. Description 24A353 24G699 24G695 24H004 25A657  COVER, motor, bottom    O-RING, cover  BEARING   O-RING, piston ...

  • Page 15: Air Valve Parts

    Parts Air Valve Parts ti16213a 3A3442B...
  • Page 16 Parts Air Valve Parts Complete Air Valve Replacement Kit 24A351 To replace the complete air valve, order Air Valve Replacement Kit 24A351. The kit includes items 301-312 below. Air Valve Repair Kits Air valve parts are not sold individually. The table below shows possible kit options for each part. Air Valve Air Valve Air Valve...

  • Page 17: Technical Data

    Technical Data Technical Data Maximum air inlet pressure ....100 psi (0.7 MPa, 7.0 bar) Ambient air temperature range ....35-120°F, 2-49°C Package air inlet size .

  • Page 18: 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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