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Graco A Series Instructions Manual

Displacement pump for use with reactor air and electric proportioners, for professional use only
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Instructions
Displacement Pump
For use with Reactor
3500 psi (24.5 MPa, 245 bar) Maximum Working Pressure
See page 2 for model information.
Important Safety Instructions
Read all warnings and instructions in
this manual before using the equipment.
Save these instructions.
®
air and electric proportioners. For professional use only.
TI3733
309577T
EN
TI2663

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Summary of Contents for Graco A Series

  • Page 1 Instructions Displacement Pump 309577T ® For use with Reactor air and electric proportioners. For professional use only. 3500 psi (24.5 MPa, 245 bar) Maximum Working Pressure See page 2 for model information. Important Safety Instructions Read all warnings and instructions in this manual before using the equipment.

  • Page 2: Table Of Contents

    Graco Standard Warranty ....32 309551 or 312065 Reactor Electric Proportioner, Graco Information ......32 Operation Manual 309574 or 312066...

  • Page 3: Warnings

    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. 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 WARNING 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.
  • Page 5 Warnings WARNING TOXIC FLUID OR FUMES HAZARD Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin, inhaled or swallowed. • Read Safety Data Sheet (SDS) for handling instructions and to know the specific hazards of the fluids you are using, including the effects of long-term exposure.

  • Page 6: Important Isocyanate (Iso) Information

    Important Isocyanate (ISO) Information Important Isocyanate (ISO) Information Isocyanates (ISO) are catalysts used in two component materials. Isocyanate Conditions Spraying or dispensing fluids that contain isocyanates creates potentially harmful mists, vapors, and atomized particulates. • Read and understand the fluid manufacturer’s warnings and Safety Data Sheet (SDS) to know specific hazards and precautions related to isocyanates.

  • Page 7: Keep Components A And B Separate

    Important Isocyanate (ISO) Information Keep Components A and B Foam Resins with 245 fa Separate Blowing Agents Some foam blowing agents will froth at temperatures above 90°F (33°C) when not under pressure, especially if agitated. To reduce frothing, minimize preheating in a circulation system.

  • Page 8: Repair

    Repair Repair Pressure Relief Procedure Follow the Pressure Relief Procedure whenever you see this symbol. TI2421A 3. Shut off feed pumps and agitator, if used. This equipment stays pressurized until pressure is manually relieved. To help prevent serious injury from 4.

  • Page 9: Fill The Wet-Cups

    Turn main power OFF before filling wet cup. TI3765a 1. Component A (ISO) Pump: Keep reservoir (R) 3/4 filled with Graco Throat Seal Liquid (TSL), Part No. Tools Needed 206995. Wet-cup piston (28) circulates TSL through packing nut/wet-cup (19), to carry away isocyanate •...

  • Page 10: Cutaway Views

    Repair Cutaway Views Component A (ISO) Pump 246830 246831 246832 262647 24Y175 † † † † † † † † † † † † † † ‡*8 ‡*8 TI3734b TI3734C 309577T...
  • Page 11 Repair Component B (Resin) Pump 245970 245971 245972 262648 24Y174 † † ‡*8 ‡*8 TI2668C TI2668b 309577T...

  • Page 12: Disassemble The Pump

    Repair Disassemble the Pump 10. Push the retaining spring (E) up. Push the pin (F) out. Loosen the star-shaped locknut (G) by hitting firmly with a non-sparking hammer. Unscrew the pump. Pump rod and connecting rod move during operation. Moving parts can cause serious injury such as pinch- ing or amputation.
  • Page 13 Repair 11. Remove the packing wet-cup as follows: 12. Loosen the intake valve housing (5) with a non-sparking hammer, then unscrew. Remove the a. Component A (ISO) Pumps: o-ring (15). Remove the packing wet-cup assembly. Compress the piston (28) into the wet-cup (19), using a 1/2 in.
  • Page 14 Repair 15. Using a screwdriver in the groove (H), remove hte 17. Unscrew the piston (7) from the rod (1). Remove the sleeve (4) from the cylinder (2), or pull it off of the ball (16), u-cup (13), and bushing (14). rod.

  • Page 15: Reassemble The Pump

    Repair Reassemble the Pump 3. Install the throat u-cup as follows: a. Models 246831, 262647, 246832, 245971, NOTE: Coat all non-thread sealed parts with ISO Pump 262648, 245972, 24Y174, and 24Y175: Grease Oil before reassembly, to ease future disassembly. the u-cup (20*) and cylinder (2). Place the u-cup 1.
  • Page 16 Repair a. Component A (ISO) Pump: NOTE: The groove (H) in the sleeve outer surface must be toward the bottom. • Install spring (25) in the wet-cup (19). • Install o-rings (24*, 26*) on the piston (28) and 6. Lubricate the piston u-cup and sleeve top edge. insert the piston in the wet-cup.
  • Page 17 Repair 9. Reassemble the intake valve with o-ring (10*), seat Model Torque (9), and ball (11*). Install ball guide (12). ft-lb (N•m) 246830 and 245970 65-75 (88-101) Models 246832 and 245972 only: Install spring (8*) with screw at top. 246831, 262647, 245971, 75-85 (101-114) 262648, 24Y174, and 24Y175 246832 and 245972...
  • Page 18 Repair NOTE: Steps 15-18 apply to pump B. See F . 3. To 16. Continue screwing the pump into the housing until reconnect pump A, go to step 19. the fluid outlet (D) is aligned with the steel tube and top threads are +/- 1/16 in.
  • Page 19 Repair NOTE: Steps 19-32 apply to pump A only. See F . 4. 24. Apply thread sealant and screw the barbed fitting into the motor side of the wet-cup. Torque to 10-15 19. Screw the pump into the bearing housing (M) until ft-lb (14-20 N•m).

  • Page 20: Parts

    Parts Parts Component A (ISO) Pumps, with wet-cup flush feature Part 246830 E-20 and E-XP1; includes items 1-7, 9-28 Part 246831 E-XP2; includes items 1-7, 9-22, 24-28 Part 262647 A-25; includes items 1-7, 9-22, 24-28 Part 246832 E-30; includes items 1-17, 19-22, 24-28 (shown) Part 24Y175 A-XP1;...
  • Page 21 Parts Qty. Ref. Part Description 246830 246831 262647 246832 24Y175 240518 ROD, displacement; sst 240517 ROD, displacement; sst 246689 ROD, displacement; sst 15H110 ROD, displacement; sst 243346 CYLINDER, pump 243347 CYLINDER, pump 245413 CYLINDER, pump 17F955 CYLINDER, pump 108526 O-RING; PTFE 107098 O-RING;...
  • Page 22 Parts Qty. Ref. Part Description 246830 246831 262647 246832 24Y175 105444 BALL, piston; sst; 0.3125 in. (8 mm) 101947 BALL, piston; sst; 0.375 in. (10 mm) 107203 BALL, piston; sst; 0.5625 in. (14 mm) 15B075 BUSHING, rod 15B074 BUSHING, rod 15B076 BUSHING, rod 15J196 BUSHING, pump 17F957 BUSHING, pump...
  • Page 23 Parts Component A Pump Repair Kits 15C851 107098 107563 108526 103414 110955 156633 ti34356a 309577T...
  • Page 24 Parts 246420/17K351 15C852 107079 C20111 108822 108526 111178 107098 156593 160325 107563 118380 118403 118381 ti34359a 309577T...

  • Page 25: Component B (Resin) Pumps

    Parts Component B (Resin) Pumps Part 245970 E-20 and E-XP1; includes items 1-7, 9-23 Part 245971 E-XP2; includes items 1-7, 9-22 Part 262648 A-25; includes items 1-7, 9-22 Part 245972 E-30; includes items 1-22 (shown) Part 24Y174 A-XP1; includes items 1-7, 9-22 NOTE: These pumps were also used on Component A (ISO) side of Reactors built before May 2003.
  • Page 26 Parts Qty. Ref. Part Description 245970 245971 262648 245972 24Y174 240518 ROD, displacement; sst 240517 ROD, displacement; sst 246689 ROD, displacement; sst 15H110 ROD, displacement; sst 243346 CYLINDER, pump 243347 CYLINDER, pump 245413 CYLINDER, pump 17F955 CYLINDER, pump 108526 O-RING; PTFE 107098 O-RING;...
  • Page 27 Parts Qty. Ref. Part Description 245970 245971 262648 245972 24Y174 105444 BALL, piston; sst; 0.3125 in. (8 mm) 101947 BALL, piston; sst; 0.375 in. (10 mm) 107203 BALL, piston; sst; 0.5625 in. (14 mm) 15B075 BUSHING, rod 15B074 BUSHING, rod 15B076 BUSHING, rod 15J196 BUSHING, pump 17F957 BUSHING, pump...
  • Page 28 Parts Component B Pump Repair Kits 246422 246421 108822 107098 108526 107098 156633 160325 ti33336a 309577T...
  • Page 29 Parts 17K352 246420 107079 108526 108526 156593 156593 107079 107563 118380 118381 ti34358a 309577T...

  • Page 30: Accessories

    Accessories Accessories Wet-Cup Conversion Kits These kits convert 245970, 245971, 262648, or 245972 pumps to the wet-cup flush design. Refer to the following table to select the correct kit for your pump. Kits include a Pump Wet-cup Flush Kits manual. Part Wet-Cup Conversion Kit 245970, 24Y174...

  • Page 31: Technical Specifications

    Technical Specifications Technical Specifications Displacement Pump Metric Maximum fluid working pressure 3500 psi 24.5 MPa, 245 bar Effective Area of Displacement Models 246830, 245970, 24Y174, 24Y175 0.396 in. 2.55 cm Models 246831, 262647, 245971, 262648 0.522 in. 3.56 cm Models 246832, 245972 0.743 in.

  • Page 32: 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.

This manual is also suitable for:

B series24683024683124683226264724y175 ... Show all

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