Graco PT2500 Instructions Manual
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Graco PT2500 Instructions Manual

Graco PT2500 Instructions Manual

1/4 gallon per minute, 230 vac, 50 hz
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INSTRUCTIONS–PARTS LIST
This manual contains important
warnings and information.
READ AND RETAIN FOR REFERENCE
1/4 GALLON PER MINUTE, 230 VAC, 50 HZ
PT2500
Electric Airless Paint Sprayer
210 bar Maximum Working Pressure
Model 218–730, Series D
This model includes gun, hose, Reverse-A-Clean
Dripless
Tip Guard and SwitchTip
U.S. Patent No. 4,616,982
U.K. Patent No. 2,165,591
Other Foreign Patents Pending
Always Professional Results
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
Spray Tip
COPYRIGHT 1985, GRACO INC.
307–738
Rev. L
Supersedes K
and PCN L

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Summary of Contents for Graco PT2500

  • Page 1 This model includes gun, hose, Reverse-A-Clean Dripless Tip Guard and SwitchTip Spray Tip U.S. Patent No. 4,616,982 U.K. Patent No. 2,165,591 Other Foreign Patents Pending Always Professional Results GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 COPYRIGHT 1985, GRACO INC.

  • Page 2: Manual Change Summary

    German 186–041 the following labels to apply to your sprayer. Apply the label at A Greek 186–045 for the best visiblity. Order the labels directly from your Graco Korean 186–049 distributor without charge. English 185–953...
  • Page 3 Sprayer Description Decrease pressure (counterclockwise). Decrease pressure (counterclockwise). Increase pressure (clockwise). Increase pressure (clockwise). Open (counterclockwise). Open (counterclockwise). Close (clockwise). Close (clockwise). Hydraulic pump Rac IV DripLess tip guard and spray tip Pressure control knob Hydraulic oil fill cap 11 On/Off switch 18 Motor 21 Diaphragm 22 Paint pump...

  • Page 4: Caution Symbol

    This equipment is for professional use only. Read all instruction manuals, tags, and labels before operating the equipment. Use the equipment only for its intended purpose. If you are not sure, call Graco Technical Assis- tance at 1–800–543–0339. Do not alter or modify this equipment.
  • Page 5 WARNING WARNING INJECTION HAZARD Spray from the gun, leaks or ruptured components can inject fluid into your body and cause ex- tremely serious injury, including the need for amputation. Fluid splashed in the eyes or on the skin can also cause serious injury. Fluid injected into the skin is a serious injury.
  • Page 6 WARNING WARNING FIRE AND EXPLOSION HAZARD Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and result in a fire or explosion and serious injury. If there is any static sparking or you feel an electric shock while using this equipment, stop spraying immediately.
  • Page 7 (5). The oil should be 25 mm from the top of the plate. Fig. 1 If the oil is low, fill as necessary with lightweight hy- draulic oil; use only Graco Hydraulic Oil, Part No. 218–797. Install the fill cap. See Fig. 1. Decrease pressure (counterclockwise).
  • Page 8 Startup 6. Turn the bypass valve counterclockwise one turn CAUTION to drain paint back into the pail. If you suspect that the spray tip or hose is completely The wallet sized warning card provided with the gun clogged, or that pressure has not been fully relieved should be kept with the operator at all times.
  • Page 9 Startup 6. Turn the bypass valve (66) clockwise (finger tight) 8. Whenever you stop spraying, even for a moment, al- to close it; this allows the pump to build up pressure. ways set the trigger safety lever to prevent acciden- tally trigger the gun.
  • Page 10 Startup 16. If the tip is still clogged , lock the trigger safety lever, CAUTION shut off and unplug the sprayer, and open the bypass valve one turn counterclockwise. Disassemble the Never start the electric motor with the inlet valve tip in the reverse order of assembly (see manual removed to avoid damaging the diaphragm.
  • Page 11 Notes...

  • Page 12: Maintenance Intervals

    Maintenance 3. Check to be sure the trigger safety lever is locked. CAUTION Remove the spray tip from the gun. Unlock the safety lever. Hold a metal part of the gun firmly to the side Thorough flushing and proper maintenance are of a grounded metal pail.
  • Page 13 Maintenance counter- 5. Open the bypass valve (66) ONE turn 3. Set the sprayer upright. Increase the pressure con- clockwise. trol setting half way. Turn on the sprayer for a few se- conds, then turn it OFF. 6. Raise the paint pump above the solvent, turn on the 4.
  • Page 14 Contaminants can cause damage to the hydraulic system. 4. Fill the hydraulic pump housing with 55 ml of Graco lightweight hydraulic oil. Reinstall the fill cap. 5. Plug in the sprayer. Turn the pressure control (4) fully counterclockwise (no pressure).
  • Page 15 Notes...

  • Page 16: Application Methods

    Application Methods Always hold the gun perpendicular to the surface and The best way to control the rate of coverage is with the keep the gun at an even 300 to 356 mm from the surface gun tip size. A small tip orifice applies less paint. A larger you are spraying.

  • Page 17: Troubleshooting

    Troubleshooting NOTE: If your sprayer is not operating well, or will not op- WARNING erate at all, check for obvious problems first. Follow the Startup procedure exactly (see page 8). Then if the INJECTION HAZARD sprayer won’t start, use the T roubleshooting Chart for To reduce the risk of serious injury, help in identifying the possible cause.
  • Page 18 See page 19, Diaphragm, step 9 Hydraulic oil level low or empty See page 14. Wrong grade of hydraulic oil or Use only Graco approved hydraulic wrong fluid in hydraulic system oil, part no. 218–797 Inlet valve not tight Tighten; see page 14.
  • Page 19 Service Repairs, other than those for which instructions are given 16. The last coil on one end of the spring is turned in. below, should be performed by a trained and qualified re- Place this end over the stud in the plug (28d). Install pair agency.
  • Page 20 Service 23. Lubricate the screws (25) and then install and torque 24. Check the hydraulic oil level and add Graco-ap- proved oil as necessary until the level is 25 mm from them to 19–23 N.m . the top of the plate. See Fig. 11, page 14.
  • Page 21 Parts Lubricate the threads. Torque to 54–60 N.m. Torque to 15–16 N.m. PTFE Apply tape to the top and bottom threads. See Detail A, page 23. Torque to 8–10 N.m. The tube must drop freely in the pipe (1). Apply sealant to the threads. The seal in the bearing must face down.
  • Page 22 Parts Model 218–730, Series D Includes items 1 to 99 NOTE: Part numbers and drawings for items 10–12, 15, 18a, 20–26 and 28 are shown on page 23. Ref. Ref. Part No. Description Qty. Part No. Description Qty. 180–462 PIPE, pump, 5 gallon size 108–151 NUT, hex, 9/16”...
  • Page 23 Parts Ref. Part No. Description Qty. DETAIL B 105–659 TOGGLE BOOT The starter 105–679 SWITCH, toggle switch 112–608 PLATE, switch, ON/OFF is located in this 106–013 STRAIN RELIEF BUSHING box. 110–900 .STARTER SWITCH 180–406 HOUSING, diaphragm 218–727 DIAPHRAGM ASSEMBLY 224–624 PUMP HOUSING KIT Includes 22a, 22b BLACK...

  • Page 24: Technical Data

    Graco distributor to the original purchaser for use. 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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