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Graco 253361 manual

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Table of contents for the manual

  • Page 1

    Instructions - Parts List 50:1 Mini Fire-Ball 225 Grease Pump For pumping non-corrosive a nd non-abrasive greases a nd lubricants only. For professional use only. Not for use in explosive atmospheres. Model No. 246909, Se ries C, Pail Length Model No. 246780, Series C, 120-lb Drum Length Model No. 246781, Series C, 400-lb Drum Length Model No. 2533[...]

  • Page 2

    Warnings 2 309966J Warnings The following general warn ings are for the setup, use, grounding, main tenance, and repair of this equipment. Add i- tional, more specific warnings may be found th ro ughout the body of this manual where applicable. Symbols appea r- ing in the body of the manual re fer to these general warnin gs. When these symbols appe[...]

  • Page 3

    Warnings 309966J 3 FIRE AND EXPLOSION HAZARD When flammable flui ds are present in the work area, such as gasolin e and windshield wiper fluid, be aware that flammable fu mes can ignite or explode. To help prevent fir e and explosion: • Use equipment only in well ventilate d area. • Eliminate all ignition sources, such as cigarettes and portabl[...]

  • Page 4

    Installation 4 309966J Installation Grounding Proper grounding is an essential part of mainta ining a safe system. To reduce the risk of static sparking, groun d the pump. Check your local electrical code for detailed grounding instructions for your area an d type of equipment. Ground the following equipment: • Pump: Use a ground wire and clamp a[...]

  • Page 5

    Installation 309966J 5 Air and Fluid Line and Accessories See F IG . 2. Three accessories ar e required in your system: an air shut-off va lve/air bleed device, flui d drain valv e, and ground wire. These accessories help reduce th e risk of serious bodily injury, includ ing skin injection, splashing in the eyes or on the skin, injury from moving p[...]

  • Page 6

    Operation 6 309966J Operation Pressure Relief Procedure The equipment stays pressurized until pressure is man- ually relieved. To reduce the risk of serious inju ry from pressurized fluid, fluid from the valve, or spla shing fluid, follow this procedure whenever you: • are instructed to relieve pr essure • stop dispensing • check, clean, or s[...]

  • Page 7

    Troubleshooti ng 309966J 7 Troubleshooting Relieve pressure before you ch eck or service any system equipment. Problem Cause Solution Pump fails to operate Inadequate air supply pressure or restrict ed air l ines Increase air supply an d/or clear restriction. Closed or clogged pu mp valves Open and/or clean. Clogged fluid lin e, hose, valve, or oth[...]

  • Page 8

    Displacement Pump Service 8 309966J Displacement Pump Service • Be sure you have all necessary par ts on hand before you start. If using a repair ki t, use all the parts in the kit for the best results. • Displacement Pump Repair Kit 246920 is available. Parts included in th e kit are marked with a dagger (†) in the parts drawing and list. Di[...]

  • Page 9

    Displacement Pump Service 309966J 9 Reassembly 1. Slide piston seal (54) on piston /priming rod (58) assembly. 2. Screw priming ro d (58) assembly onto connecting rod (57). Align the thru holes as close as possible, axis-to-ax is (F IG . 3). See endplay Note included in Step 10, Pump Disassembly instructions (page 8) for additiona l assembly instru[...]

  • Page 10

    Displacement Pump Service 10 309966J F IG . 4 Using nut (63), torque the pum p cylinder (59) to the extension tube (64) at 45-5 5 ft-lb (61-75 N•m). Lubricate. Flat side mu st face ret ainer (10 6). Assemble pin (53) flush or below surfac e. Large bevel must face piston (52) . Lubricate inside diameter. 1 2 3 4 5 6 57 60 64 60 59 57 (REF) 54 52 1[...]

  • Page 11

    Air Motor and Throat Service 309966J 11 Air Motor and Throat Service • Before you start, be sure you have all necessary parts on hand. Repair Kit 246919 is available for the motor. Use all the parts in the kit f or the best results. Parts included in the kit are marked with an aste risk (*) in the parts drawing and list. • Two accessory tools s[...]

  • Page 12

    Air Motor and Throat Service 12 309966J F IG . 5 11 74 6 21 5 2 17 38 57 8 64 Torque extension tube (64) to the base (5) at 45 to 55 ft -lb (61 to 75 N • m. 9040[...]

  • Page 13

    Air Motor and Throat Service 309966J 13 Reassembly 1. Clean all the parts carefully in a compatible solvent, and inspect for wear or damage . Use all the repair kit parts during reassembly, and replace other parts as necessary. 2. Check the polishe d surfaces of the pis ton (2), dis- placement rod (8) , and cylinde r (17) wall for scratches or wear[...]

  • Page 14

    Parts 14 309966J Parts Model No. 246909, Series C, Pail Length Model No. 246780, Series C, 120-pound Drum Length Model No. 246781, Series C, 400-pound drum length Model No. 253361, Series C, Pail Length without Handle 29a 29b 30* 10 18 5a 7 † 60 † 54 60 † 64 53 † 59 52 53 † † 62 61 63 58 66 67 56 † 12* 16* 30* 31* 17 28 33 8 6 † 9* [...]

  • Page 15

    Parts 309966J 15 Air Motor  Replacement Danger an d Warning labels, tags, and cards are available at no cost. * Replacements for these parts are available in Repair Kit 246919 which may be pu rchased separately Pump † Replacements for these parts are available in Repair Kit 24 6920 which may be purchased separately Ref. No Part No. Description[...]

  • Page 16

    Dimensional D rawings 16 309966J Dimensional Drawings Mounting Hole Layout Model 246781 400 lb drum size Model 246780 120 lb drum size 17.5 in. (445 mm) 26.7 in. (678 mm) 33.6 in. (853 mm) Overall length: 30.2 in (768 mm) Overall length: 37.6 in (955 mm) Overall length: 44.5 in (1130 mm) 3/8 npt(f) air inlet 3/8 npt(f) air inlet 3/8 npt(f) air inle[...]

  • Page 17

    Technical Data 309966J 17 Technical Data All brand names or marks are used for ide ntification pu rposes and are trademarks of their respective owners. Maximum fluid working pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8400 psi (58 MPa, 580 bar) Maximum air inlet pressure . . . . . . . . . . . . . . .[...]

  • Page 18

    All written and visual data contained in this document reflects the latest product info r mation available at the time of publica tion. Graco reserves the right to make changes a t any time without notice. Original instructions. This manual contains Eng lish. MM 309966 Graco Headquarters: Minne apolis International Offices: Belgium, China, Japan, K[...]