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Graco 256714 manual

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Table of contents for the manual

  • Page 1

    Instructions–Parts List 3081 18N EN SEVERE-DUTY , UHMWPE/PTFE P ACKED Stainless Steel Pumps 55 gallon (200 liter) drum size, with bung adapter . For transfer and supply of solventborne and waterborne finishing materials. For professional use only . Important Safety Instructions Read all warnings and instructions in this manual. Save these instruc[...]

  • Page 2

    2 308118 T able of Contents W arnings 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operation 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T roubleshooting 13 . . . . . . . . . . . . . . . . . . . .[...]

  • Page 3

    3 308118 W ARNING SKIN INJECTION HAZARD Spray from the gun/valve, hose 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 308118 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 .  Ground the equipment and the object being sprayed. Refer to Grounding on page 5.  If there is any static sparking or you feel an electric shock while us[...]

  • Page 5

    5 308118 Installation Grounding W ARNING FIRE AND EXPLOSION HAZARD Before operating the pump, ground the system as explained below . Also read the section FIRE AND EXPLOSION HAZARD on page 4. T o reduce the risk of static sparking, ground the pump. Check your local electrical code for detailed grounding instructions for your area and type of equipm[...]

  • Page 6

    6 308118 Installation KEY A Pump B Pump Runaway V alve C Air Line Lubricator D Bleed–T ype Master Air V alve (required, for pump) E Pump Air Regulator F Air Line Filter G Bleed–T ype Master Air V alve (for accessories) H Air Supply Hose J Fluid Drain V alve (required) K Fluid Filter L Fluid Supply Hose M Spray Gun N Pump Bung Adapter Y Ground W[...]

  • Page 7

    7 308118 Installation NOTE: Reference numbers and letters in parentheses in the text refer to the callouts in the figures and the Parts Drawing. NOTE: Contact you Graco distributor for available Graco accessories. If you supply your own accesso- ries, be sure they are adequately sized and pressure- rated to meet the system’s requirements. The T y[...]

  • Page 8

    8 308118 Notes[...]

  • Page 9

    9 308118 Operation Pressure Relief Procedure W ARNING SKIN INJECTION HAZARD Fluid under high pressure can be in- jected through the skin and cause serious injury . T o reduce the risk of an injury from injection, splashing fluid, or moving parts, follow the Pressure Relief Procedure whenever you:  are instructed to relieve the pressure,  stop[...]

  • Page 10

    10 308118 Operation Starting and Adjusting the Pump W ARNING T o reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 9. See the T ypical Installation on page 6. Be sure the air regulator (E) and bleed-type master air valve (D) are closed. Do not install the spray tip[...]

  • Page 11

    11 308118 Operation Fig. 2 AIR MOTOR PLA TE 14 0200A[...]

  • Page 12

    12 308118 Notes[...]

  • Page 13

    13 308118 T roubleshooting W ARNING T o reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 9. Before servicing this equipment always make sure to relieve the pressure . Check all possible problems and solutions before disassembling the pump. Problem Cause Solution P[...]

  • Page 14

    14 308118 Service Disconnecting the Displacement Pump W ARNING T o reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 9. 1. Flush the pump, if possible. Stop the pump at the bottom of its stroke. Relieve the pressure. 2. Disconnect the air and fluid hoses. Remove th[...]

  • Page 15

    15 308118 Service Displacement Pump Service Disassembly When disassembling the pump, lay out all removed parts in sequence to ease reassembly . See Fig. 4. NOTES  Standard Repair Kit 224403 (UHMWPE/PTFE packings) is available. For the best results, use all the new parts in the kit. Parts included in the kit are denoted with one asterisk, for exa[...]

  • Page 16

    16 308118 Service Displacement Pump Service Reassembly 1. Lubricate the throat packings and install them in the outlet housing (5) one at a time as follows, with the lips of the v-packings facing down: the male gland (4*), one UHMWPE v-packing (3*), two PTFE v-packings (25*), one UHMWPE v-packing (3*), and the female gland (2*). Apply thread lubric[...]

  • Page 17

    17 308118 Service 0193B Fig. 4 LIPS OF V–P ACKINGS MUST F ACE UP 13 27 *26 *28 *29 *30 *29 *31 14 SEE DET AIL A 14 2* 3* 25* 3* 4* LIPS OF V–P ACKINGS MUST F AC E DOWN 5 SEE DET AIL B 5 6 7 15 8 1 9 11 * 12* 17* *18 19 21 *16 27 13 10 20 1 2 Apply sealant and torque to 50–70 ft-lb (68–95 N  m) 1 1 1 Apply thread lubricant 2 2 2 DET AIL B[...]

  • Page 18

    18 308118 Parts Model 224348, Series C 10:1 Ratio President  Pump Model 256713, Series A 10:1 Ratio President  Pump (1.5 in. Female Inlet) Includes items 101–1 12 REF P ART NO. NO. DESCRIPTION QTY 101 224349 } DISPLACEMENT PUMP ASSY See pages 20 and 21 for parts 1 256712* DISPLACEMENT P UMP ASSY , 1.5 in. female inlet See pages 20 and 21 fo[...]

  • Page 19

    19 308118 Parts Model 224350, Series C 5:1 Ratio Monark  Pump Model 256714, Series A 5:1 Ratio Monark  Pump (1.5 in. Female Inlet) Includes items 101–1 12 109† 106 101 11 2 102 REF P ART NO. NO. DESCRIPTION QTY 101 224349 } DISPLACEMENT PUMP ASSY See pages 20 and 21 for parts 1 256712 * DISPLACEMENT PUMP ASSY , 1.5 in. female inlet See pa[...]

  • Page 20

    20 308118 Parts Model 224349, Series C Severe–Duty , Stainless Steel Displacement Pump Model 256712, Series A Severe–Duty , Stainless Steel Displacement Pump (1.5 in. Female Inlet) Includes items 1–34 1 *2 *3 *4 5 †6 7 8 9 10 11 * 12* 14 15 16* 17* 18* 19† 20 21 *25 26* 28* 29* 30* 31* *3 13 27 30* 33 34 0192B 35 36 37 38 39 256712 Base 2[...]

  • Page 21

    21 308118 Parts Model 224349, Series C Severe–Duty , Stainless Steel Displacement Pump Includes items 1–35 Model 256712, Series A Severe–Duty , Stainless Steel Displacement Pump (1.5 in. Female Inlet) Includes items 1–16, 22–39 REF P ART NO. NO. DESCRIPTION QTY 1 24C506 ROD, displacement; stainless steel 1 2* 186988 GLAND, throat, female;[...]

  • Page 22

    22 308118 T echnical Data (10:1 President) Category Data Maximum fluid working pressure 1800 psi (12.4 MPa, 124 bar) Maximum air input pressure 180 psi (1.25 MPa, 12.5 bar) Pump cycles per 1 gallon (3.8 liters) 20 Fluid flow at 60 cpm 3 gallon (1 1.4 liters) Recommended speed for optimum pump life 15–25 cycles/min; 0.75–1.25 gpm (2.84 to 4.73 l[...]

  • Page 23

    23 308118 T echnical Data (10:1 President) Fluid Outlet Pressure Chart 0 200 400 600 800 1000 1200 1400 1600 1800 012345 PUMP DELIVER Y (T est Fluid: No. 10 Motor Oil) PUMP OUTLET PRESSURE 100 20 40 60 CPM 80 3.8 7.6 1 1.4 15.2 19.0 GPM l/min A B C 7.0, 70 4.2, 42 PSI 5.6, 56 2.8, 28 8.4, 84 1 1.0, 1 10 MPa, BAR 9.6, 96 12.5, 125 T o find Outlet Pr[...]

  • Page 24

    24 308118 T echnical Data (5:1 Monark) Category Data Maximum fluid working pressure 900 psi (6.3 MPa, 63 bar) Maximum air input pressure 180 psi (1.25 MPa, 12.5 bar) Pump cycles per 1 gallon (3.8 liters) 24 Fluid flow at 60 cpm 2.5 gallon (9.46 liters) Recommended speed for optimum pump life 15–25 cycles/min; 0.63–1.04 gpm (2.38 to 3.94 liters/[...]

  • Page 25

    25 308118 T echnical Data (5:1 Monark) Fluid Outlet Pressure Chart 0 200 400 600 800 012345 PUMP DELIVER Y (T est Fluid: No. 10 Motor Oil) PUMP OUTLET PRESSURE 120 24 48 72 CPM 96 3.8 7.6 1 1.4 15.2 19.0 GPM l/min A B C 4.2, 42 PSI 5.6, 56 2.8, 28 MPa, BAR T o find Outlet Pressure (MPa/bar/psi) at a specific delivery (liter/min or gpm) and operatin[...]

  • Page 26

    26 308118 Pump Model A B C 224348 57.31 in. 14.63 in. 42.68 in. (1456 mm) (372 mm) (1084 mm) 256713 58.19 in. 14.63 in. 43.56 in. (1478 mm) (372 mm) (1 106 mm) 224350 54.28 in. 1 1.60 in. 42.68 in. (1379 mm) (295 mm) (1084 mm) 256714 55.16 in. 1 1.60 in. 43.56 in. (1401 mm) (295 mm) (1 106 mm) Model 224348 Shown A C Model 224348: 3/8 npsm(f); Model[...]

  • Page 27

    27 308118 Notes[...]

  • Page 28

    28 308118 Graco Standard W arranty Graco w arrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to the original purchaser for use. With the exception of any special, extended, or limited warranty published by Graco, Graco w ill, for a period of twelve months from th[...]