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Graco Inc. 237-695 manual

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Table of contents for the manual

  • Page 1

    308–236 Rev . J Supersedes Rev . H First choice when quality counts.  01472A Model 235–463 Model 235–460 01471 INSTRUCTIONS-P ARTS LIST INSTRUCTIONS This manual contains important warnings and information. READ AND KEEP FOR REFERENCE. Silver Airless Spray Gun 5000 psi (345 bar) Maximum Working Pressure Model 237–695, Series B 2 finger tr[...]

  • Page 2

      T able of Contents W arnings 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation/Operation 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . Pressure Relief Procedure 5 . . . . . . . . . . . . . . . . . . . System Requirements 5 . . . . . . . . . . . . . . . . . . . . . . . How [...]

  • Page 3

      W ARNING INJECTION HAZARD Spray from the gun, leaks or ruptured components can inject fluid into your body and cause extremely 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 might look like just a cut, but it is [...]

  • Page 4

    4 308-236 W ARNING 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 spray- ing immediately . Do not use the equipment until you[...]

  • Page 5

    308-236 5 Installation/Operation Pressure Relief Procedure W ARNING INJECTION HAZARD The system pressure must be manually relieved to prevent the system from starting or spraying accidentally . Fluid under high pressure can be injected through the skin and cause serious injury . T o reduce the risk of an injury from injection, splashing fluid, or m[...]

  • Page 6

      Installation/Operation How to Use the Gun 1. Connect a grounded fluid hose to the gun inlet. See Fig. 2. 2. With no tip installed, start the pump. Flush the pump according to the instructions supplied with it. Prime the system with the fluid. W ARNING T o reduce the risk of serious injury whenever you are instructed to rel[...]

  • Page 7

      Installation/Operation How to Clean the Spray Tip and Clear a Spray Tip Obstruction W ARNING To reduce the risk of fluid injection or splashing in the eyes or on the skin, do not hold a hand, body or rag in front of the spray tip when cleaning or checking a clogged tip. Point the gun toward the ground or into a waste conta[...]

  • Page 8

      Installation/Operation How to Check the Gun Diffuser Operation W ARNING The Fine–Finish Gun, Model 235–462, uses a pre–orifice in the seat to develop the type of spray pattern required for fine finishes. The pre-orifice does not dif fuse the spray from the nozzle into an irregular pattern, as with the other guns cove[...]

  • Page 9

      Service CAUTION Do not attempt to install an old style needle in this gun. The front of the new needle is marked with a + below the Graco symbol. Notes:  Use Needle Kit 235–475 for Model 235–462 and Repair Kit 235–474 for the other models.  Use all the new parts for the best results. Parts included in the kit a[...]

  • Page 10

    10 308-236 Service 7. Slide the rear of the needle (2c*) into the front of the gun. Slide the tool (B), provided with the repair kit, into the gun, around the needle. Lightly tap the tool with a hammer or lightly press the tool against a flat surface to seat the needle. See Fig. 9. Remove the tool. CAUTION T apping or pressing the tool too hard may[...]

  • Page 11

    308-236 11 Parts 1 2d* 2a* 2b* 2c* 8 9 10 11 12 13 01477A 6 16 17 1 2 Lubricate, then torque to 20-25 ft-lb (27-34 N.m) 3 4 T orque to 30-40 in-lb (3.4–4.5 N.m) Purchase separately Lubricate 4 3 2 1 2 Model 235–460, Series C; Model 237–695, Series B Model 235–460 Includes the Standard (non-reversing) DripLess t T ip Guard and 2 finger trigg[...]

  • Page 12

    12 308-236 Parts Model 235–462, Series C Includes the Fine-Finish (non-reversing) DripLess t T ip Guard and 2 finger trigger . Includes items 1 to 15. Ref No. Part No. Description Qty . 1 220–247 FINE FINISH TIP GUARD 1 2 235–475 NEEDLE KIT Includes items 2a to 2d 1 2a {Z PRE–ORIFICE SEA T 1 2b {Z GASKET , copper 1 2c {Z NEEDLE 1 2d { 162?[...]

  • Page 13

    308-236 13 Accessories FIL TERS 3000 psi (210 bar) Maximum Working Pressure. Adequate filtering is important for a good surface finish and to minimize tip clogging. These filters provide secondary filtering. V arious screen meshes are avail - able. Mounts in hose 213–068 Includes filter body , spring and one 100 mesh screen. 213–069 Includes fi[...]

  • Page 14

    14 308-236 T echnical Data Category Data Maximum fluid working pressure 5000 psi (345 bar) Fluid orifice size Model 235–462: 0.037 in. (0.94 mm) All other models: 0.090 in. (2.3 mm) W etted parts Stainless steel, Polyethylene, Polyurethane, Nylon, PTFE  Weight 18 oz (510 g) Inlet 1/4 npsm(m) Maximum material temperature 120  F (50  C) * [...]

  • Page 15

    308-236 15 Notes[...]

  • Page 16

    16 308-236 Graco W arranty Graco warrants all equipment listed in this manual which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale by an authorized Graco distributor to the original purchaser for use. With the exception of any special extended or limited warranty published by Gr[...]