Graco T2 295616 Instructions Manual
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Graco T2 295616 Instructions Manual

2:1 ratio transfer pump
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Instructions
T2
2:1 Ratio Transfer Pump
For use with polyurethane foam, polyurea, and similar non-flammable materials.
Not for use in explosive atmospheres.
Model 295616
180 psi (1.2 MPa, 12 bar) Maximum Air Working Pressure
405 psi (2.7 MPa, 27 bar) Maximum Fluid Working Pressure
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441
Copyright 2007, Graco Inc. is registered to I.S. EN ISO 9001
311882 rev.A
ti9889a

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Summary of Contents for Graco T2 295616

  • Page 1 405 psi (2.7 MPa, 27 bar) Maximum Fluid Working Pressure Important Safety Instructions Read all warnings and instructions in this manual. Save these instructions. ti9889a Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441 Copyright 2007, Graco Inc. is registered to I.S. EN ISO 9001...

  • Page 2: Table Of Contents

    Operation ....... . 10 Graco Information ......20 Pressure Relief Procedure .
  • Page 3 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 4: Typical Installation

    Typical Installation Typical Installation Typical Installation, without Circulation Key for F Reactor Proportioner Waste Containers Heated Hose Fluid Supply Lines (217382) Fluid Temperature Sensor (FTS) Feed Pumps Heated Whip Hose Agitator Fusion Spray Gun Desiccant Dryer Proportioner and Gun Air Supply Hose Bleed Lines/Over Pressure Relief Feed Pump Air Supply Lines (3/8 in.
  • Page 5 Typical Installation Typical Installation, with Circulation Key for F Reactor Proportioner Feed Pump Air Supply Lines (3/8 in. (76 mm) ID min) Heated Hose Fluid Supply Lines Fluid Temperature Sensor (FTS) Feed Pumps Heated Whip Hose Agitator Fusion Spray Gun Desiccant Dryer Proportioner and Gun Air Supply Hose Recirculation/Over Pressure Relief Return Hoses...
  • Page 6 Typical Installation Typical Installation for Lubrication Applications Key for F Pump Air Regulator Grounded Air Hose Air Line Lubricator Grounded Fluid Hose Air Line Filter Pump Fluid Inlet Bleed-Type Master Air Valve (required, for pump) 1/4 npt(f) Pump Air Inlet Fluid Drain Valve (required) 1/2 npt(f) Pump Fluid Outlet Bung Adapter...

  • Page 7: Moisture Sensitivity Of Isocyanates

    Moisture Sensitivity of Isocyanates Moisture Sensitivity of Isocyanate Hazard Isocyanates Isocyanates (ISO) are catalysts used in two component Read material manufacturer’s warnings and material foam and polyurea coatings. ISO will react with moisture MSDS to know the specific hazards of isocyanates. (such as humidity) to form small, hard, abrasive crystals, Use equipment in a well-ventilated area.

  • Page 8: Setup

    Setup Setup 1. Apply thread sealant to the male threads of the air 3. When applying component labels (70) to pump cap needle valve (48) and the quick disconnect fitting (1) make sure you do not cover the hole in the cap. (49) and install.

  • Page 9: Grounding The System

    Setup 5. Install air line (3/8 in. (76 mm) ID minimum) with 2. Air compressor: according to manufacturer’s recom- quick disconnect air coupler (52) provided. See F mendations. 3. Fluid hoses: use only grounded hoses with a maxi- mum of 500 ft (150 m) combined hose length to ensure grounding continuity.

  • Page 10: Operation

    Operation Operation Pressure Relief Procedure 1. Follow Pressure Relief Procedure, page 10. 2. Place suction tube in grounded metal pail containing cleaning fluid. 3. Set pump to lowest possible fluid pressure, and start Trapped air can cause the pump to cycle unexpectedly, pump.

  • Page 11: Air Motor Repair

    Air Motor Repair Air Motor Repair 1. Remove cap (1), cylinder (4), and square gaskets 3. Remove 3 screws (16) from top of air piston. (3*). Inspect all parts, including spring under cap Remove valve disk (8) and spacers (11). Remove (not shown in F .

  • Page 12: Pump Lower Repair

    Pump Lower Repair Pump Lower Repair 5. Remove dowel pin (19) and take piston cap (17) off transfer shaft (20). Remove o-ring (13*) from piston cap. Inspect all parts for damage. See F . 14. 1. Use a strap wrench at the point indicated in F .
  • Page 13 Pump Lower Repair 4. Remove spring pin (56). Remove piston valve (43). Unscrew piston valve (43) from piston housing (53). Remove wear ring (41*), u-cup (40*) and ball (42). Inspect all parts for damage. See F . 19. Apply strap wrench approximately here ti9976 .

  • Page 14: Reassembly

    Reassembly 6. Remove set screw (37) from collar (36). Remove 8. Remove hex nut (27) from mounting flange (26). collar from piston housing (54). Remove u-cup Remove female gland (30*), 2 PTFE packings (29*), (35*). Remove o-ring (57) from ID of piston housing. male gland (28*) and wiper (31*).

  • Page 15: Troubleshooting

    Troubleshooting Troubleshooting Problem Cause Solution The pump fails to operate Dirty or worn air motor. Clean, service Inadequate air supply or restricted Clean lines or increase the air supply lines. (see Technical Data). Closed or clogged air valves. Open or clear the valves. Clogged fluid hose or valve.

  • Page 16: Parts

    Parts Parts ti9890 Lubricate all o-rings and seals before and after assembly Torque to 45-55 ft-lbs (61-74.5 N•m) Torque to 30-40 ft-lbs (40.6-54.2 N•m) Torque to 15-20 ft-lbs (20.3-27.1 N•m) Bung Adapter Torque to 10-12 ft-lbs (13.5-16.3 N•m) Torque to 110-120 ft-lbs (149.1-162.7 N•m) Torque to 20-30 ft-lbs (27.1-40.7 N•m) Torque to 50-60 ft-lbs (67.8-813 N•m) ti9973...
  • Page 17 Parts Part Description Part Description 15B924 CLAMP, hopper 15J536 CAP, air cylinder 15B925 HANDLE, hopper clamp 157630 SPRING, tapered 15B926 PIN, pivot, hopper clamp PACKING, square 52† 114558 COUPLER, air line 15J537 CYLINDER, air motor 15J570 HOUSING, piston 15J538 HEAD, air piston 15J571 PISTON, upper GASKET, upper PIN, straight, 3/16 x 3/4...

  • Page 18: Technical Data

    Technical Data Technical Data Pressure Ratio ....... . . 2.25:1 Max fluid working pressure .

  • Page 19: Performance Chart

    Technical Data Performance Chart Calculate Fluid Outlet Pressure (black Calculate Pump Air Consumption (gray curves) curves) To calculate fluid outlet pressure (MPa/bar/psi) at a spe- To calculate pump air consumption (m /min or scfm) at cific fluid flow (lpm/gpm) and operating air pressure at a specific fluid flow (lpm/gpm) and air pressure (MPa/bar/psi), use the following instructions and pump (MPa/bar/psi), use the following instructions and pump...

  • Page 20: 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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