Graco HIGH–FLO 243737 Instructions Manual
  1. Manuals
  2. Brands
  3. Graco Manuals
  4. Water Pump
  5. HIGH-FLO 243737
  6. Instructions manual
Graco HIGH–FLO 243737 Instructions Manual

Graco HIGH–FLO 243737 Instructions Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Instructions
HIGH–FLOr Pumps
Designed for low pressure, high volume circulation of finishing
materials. Do not use for flushing or purging lines with caustics,
acids, abrasive line strippers, or other similar fluids.
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
See page 2 for table of contents and page 4 for
pump part nos., ratios, and working pressures.
Stainless Steel Model Shown,
Mounted on Accessory Stand 218742
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441
Copyright 2000, Graco Inc. is registered to I.S. EN ISO 9001
309136N
01405

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the HIGH–FLO 243737 and is the answer not in the manual?

Questions and answers

Related Manuals for Graco HIGH–FLO 243737

Summary of Contents for Graco HIGH–FLO 243737

  • Page 1 See page 2 for table of contents and page 4 for pump part nos., ratios, and working pressures. Stainless Steel Model Shown, Mounted on Accessory Stand 218742 01405 GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441 Copyright 2000, Graco Inc. is registered to I.S. EN ISO 9001...

  • Page 2: Table Of Contents

    D This equipment is for professional use only. D Read all instruction manuals, tags, and labels before operating the equipment. D Use the equipment only for its intended purpose. If you are uncertain about usage, call your Graco distributor. D Do not alter or modify this equipment. Use only genuine Graco parts and accessories.
  • Page 3 WARNING FIRE AND EXPLOSION HAZARD Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and re- sult in a fire or explosion and serious injury. D Ground the equipment and the object being sprayed. Refer to Grounding on page 6. D If there is any static sparking or you feel an electric shock while using this equipment, stop spray- ing/dispensing immediately.

  • Page 4: Pump Models

    High–FloR Pump Models CARBON STEEL MODELS WITH NPT THREADS Maximum Air (or Hydraulic*) Maximum Fluid Working Pressure Working Pressure Pump Ratio and Type Displacement Part No. Series (parts list page) Pump, Series MPa, bar (psi) MPa, bar (psi) (parts list page) 243737 3:1 Bulldog (27) 243731, Series D...
  • Page 5 SEVERE-DUTY ELECTROPOLISHED STAINLESS STEEL MODELS WITH BSPP THREADS Maximum Air Maximum Fluid (or Hydraulic*) Working Pressure Working Pressure Displacement Displacement Pump, Series Pump Ratio and Type MPa, bar (psi) MPa, bar (psi) (parts list page) Part No. (parts list page) Series 243744 3:1 Bulldog (27)

  • Page 6: Installation

    Installation Grounding WARNING FIRE AND EXPLOSION HAZARD Before operating the pump, ground the system as explained below. Also read the section FIRE AND EXPLOSION HAZARD on page 3. 0864 1. King Pumps: use a ground wire and clamp. See Fig. 2 Fig.
  • Page 7 Refer to Fig. 3. 8689A * Customer must supply. Graco adapter 193202. Requires seal 193424. Install a 2 in. tri-clamp gasket (GG) in the groove of the Fig. 3 tri-clamp adapter (HH). Mate the tri-clamp adapter with the sanitary pipe and secure with two clamps (JJ), bolts (KK), and nuts (MM).
  • Page 8 The Typical Installations shown in Figs. 5 and 6 are In non-circulating systems with a fluid outlet that can only examples. Contact your Graco distributor for be closed off (causing the pump to stall), install a fluid system design assistance.
  • Page 9 Installation (Air-Powered Pumps) In an air-powered system, install the air line accesso- WARNING ries in the order shown in Fig. 5. Working upstream from the pump air inlet, install an air line lubricator (H) A bleed-type master air valve (L) is required in your for automatic air motor lubrication.
  • Page 10 Installation (Air-Powered Pumps) Do not hang the air accessories directly on the pump’s air inlet. Provide a bracket on which to Accessory Pump Stand (P/N 218742) mount the accessories. Surge Tank (P/N 218509 or 238983) 50 mm (2 in.) Diameter Pipe Full Flow, Non-Restrictive Fluid Shutoff Valve Fluid Supply Line Mix Tank...
  • Page 11 Installation (Hydraulic-Powered Pumps) The motor has a 3/4 npt hydraulic oil inlet, and a 1 in. CAUTION npt hydraulic oil outlet. Use a minimum 1/2 in. ID hydraulic supply line and a minimum 5/8 in. ID return The Hydraulic Power Supply must be kept clean at line.
  • Page 12 Installation (Hydraulic-Powered Pumps) Accessory Pump Stand Hydraulic Pressure Gauge (P/N 218742) Flow Control Valve Surge Tank (P/N 218509 or Pressure Reducing Valve 238983) Drain Line 50 mm (2 in.) Diameter Pipe M Hydraulic Return Line Full Flow, Non-Restrictive Shutoff Valve Fluid Shutoff Valve Accumulator Fluid Supply Line...

  • Page 13: Operation

    Operation Pressure Relief Procedure 3. In a hydraulic-powered system, close the hy- draulic supply line shutoff valve (G) first, then the return line shutoff valve (M). WARNING 4. Close the fluid shutoff valves from the supply PRESSURIZED EQUIPMENT HAZARD tanks. The system pressure must be manually relieved to prevent the system from starting or spraying acci- 5.
  • Page 14 1. Fill the wet-cup/packing nut (12) one half full with until all air is purged from the fluid lines. Graco Throat Seal Liquid (TSL). See Fig. 7. Count the cycle rate of the pump. 2. Charge the surge tank, if you are using one. See Close the flow control valve until the cycle rate the separate instruction manual, 307707.

  • Page 15: Maintenance

    Maintenance Care of the Pump Read all other instruction manuals supplied with your pump and with all accessories you add to the system. WARNING Monitor the fluid supply carefully. If air is sucked into the pump due to an empty supply container, the pump To reduce the risk of serious injury whenever you will accelerate quickly and can damage the pump are instructed to relieve pressure, always follow the...

  • Page 16: Troubleshooting

    Troubleshooting PROBLEM CAUSE SOLUTION Pump output low on both strokes Restricted air or hydraulic lines Clear any obstructions; be sure all valves are open; increase pressure. Empty fluid supply Refill and reprime pump. In an air-pow- ered system, use pump runaway valve. Clogged fluid outlet line, valves, etc.

  • Page 17: Service

    Service To Remove the Motor (See Fig. 8) Torque to 195–210 NSm (145–155 ft-lb). Apply PTFE tape or auto–seize lubricant WARNING to bottom threads . To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 13.
  • Page 18 Service NOTES: Displacement Pump Repair 1. This repair procedure can be used for any High- 1. Use a 13 mm socket wrench to loosen and remove Flo pump model. The reference numbers used in the twelve capscrews (2) and lockwashers (3) on the text and illustrations correspond to all of the the outlet manifold (1).
  • Page 19 Service 3. Remove the nuts (8), lockwashers (7) and six cylinder capscrews (4). Loosen the packing nut (12). Lift off the outlet valve housing (5). See Fig. 4. Lift the riser tubes (20) and cylinder (27) off the inlet valve housing (6). The piston assembly may stay in the cylinder.
  • Page 20 Service 7. Use a 13 mm socket wrench to loosen and remove 14. Clean all piston parts and the cylinder thoroughly the twelve capscrews (2) and lockwashers (3) from in a compatible solvent. Inspect the inner surface the inlet manifold (1). See Fig 16. of the cylinder for scoring, and replace it if neces- sary.
  • Page 21 Service 17. Install o–ring retainer (43). Lubricate o–ring (18) 20. Clean the remaining pump parts in a compatible and slide it on over the threads of piston shaft. solvent. Apply medium strength liquid thread adhesive to the piston nut (26) threads and the piston rod. Screw the nut snuggly against the o–ring retainer Do not damage edges of seal (24).
  • Page 22 Service NOTE: Refer to Fig. 14 for Steps 21 and 22. NOTE: Refer to Fig. 16 for Steps 23–35 unless other- wise indicated. 21. Lubricate three new throat packings (two – 31{) and (one – 35†) and the male gland (30{) with 23.
  • Page 23 Service 28. Position the inlet manifold (1) on the inlet valve 34. Place the outlet manifold (1) on the outlet valve housing (6). Install the twelve capscrews (2) and housing (5) and install the twelve capscrews (2) lockwashers (3) loosely. and lockwashers (3) loosely.
  • Page 24 Service Stainless Steel Model Shown Torque oppositely and evenly to See Fig. 14 for proper assembly of v–pack- 81–88 NSm (60–65 ft-lb). ings. Install seals (15) and o-rings (16) on the The relief valve seat (22) must be installed at opposite side of the inlet manifold (1) and at the pump fluid inlet.

  • Page 25: Pump Parts

    High–FloR Pump Parts MOTOR DISPLACE- TIE ROD LOCKNUT COUPLER COUPLING ADAPTER SEAL MENT PUMP (Qty.) ITEM BULLDOG PUMPS MODEL Air Motor Manual – See 307304 NUMBER RATIO Carbon Steel Pumps 243737 215255 243731 180487 102216 184129 186925 Severe–Duty Electro– 243743 215255 243734 180487...
  • Page 26 High–FloR Pump Models Viscount Pump King Pump Bulldog Pump Lower Pump TI0222 Adapter for NPT models only. Torque to 195–210 NSm. (145–155 ft–lb). Apply PTFE tape or anti–seize lubricant to the bottom threads. Fig. 17 309136...

  • Page 27: Displacement Pump Parts

    Displacement Pump Parts DISPLACEMENT PUMP MODELS MODELS 243731 243732 243733 243734 243735 243736 243771 243772 243773 ELECTROPOLISHED SST PUMPS MOTOR Viscount Series Pumps King Ratios Bulldog Ratios BSPP Inlet/Outlet Thread Description Qty. MANIFOLD 180520 193203 193203 CAPSCREW, M8, 75 mm 107554 WASHER, flat Sz.
  • Page 28 Displacement Pump Parts DISPLACEMENT PUMP MODELS MODELS 248229 248330 248331 248332 248333 248334 CHROME SST PUMPS MOTOR Viscount Series Pumps King Ratios Bulldog Ratios BSPP Inlet/Outlet Thread Description Qty. MANIFOLD 193203 193203 CAPSCREW, M8, 75 mm 107554 WASHER, flat Sz. 8 111003 CAPSCREW, M12, 280 mm 107553...
  • Page 29 Displacement Pump Parts Models: 243731, 243732, 243733, 243734, 243735, 243736, 243771, 243772, and 243773 30† 29** 31† 35† 42† 31† 35† 34† 32† TI0218 These parts are included in Pump Seal Repair Kit 243727, 243728, and 243729 which may be purchased separately. See page 30. ** These parts are included in Coupling Jaw Kit 243948 or 15D950.

  • Page 30: Repair And Conversion Kits

    Repair and Conversion Kits Use Only Genuine Graco Parts and Accessories Piston Seal Repair Kit 243727 PTFE/Leather Throat Packing Repair Kit 243672. For Displacement Pumps 243731 & 243734. For all pumps. Ref. Ref. Part No. Description Qty. Part No. Description Qty.

  • Page 31: Technical Data

    Technical Data 3:1 Ratio Bulldog Pumps, Models 243737, 243743, and 243744 Category Data Maximum Fluid Working Pressure 2.1 MPa, 21 bar (300 psi) Air Operating Range 0.28–0.7 MPa, 2.8 – 7 bar (40 – 100 psi) Fluid Flow at 60 Cycles per Minute 118 liter/min (31 gpm) Cycles Per Liter (gallon) 0.5 (1.93)
  • Page 32 Technical Data 6:1 Ratio King Pumps, Models 243738, 243745, and 243746 Category Data Maximum Fluid Working Pressure 4.2 MPa (42 bar) (600 psi) Air Operating Range 0.28–0.7 MPa, 2.8 – 7 bar (40 – 100 psi) Fluid Flow at 60 Cycles per Minute 118 liter/min (31 gpm) Cycles Per Liter (gallon) 0.5 (1.93)
  • Page 33 Technical Data 4:1 Ratio King Pumps, Models 243739, 243747, and 243748 Category Data Maximum Fluid Working Pressure 2.8 MPa (28 bar) (400 psi) Air Operating Range 0.28–0.7 MPa, 2.8 – 7 bar (40 – 100 psi) Fluid Flow at 60 Cycles per Minute 178 liter/min (47 gpm) Cycles Per Liter (gallon) 0.34 (1.3)
  • Page 34 Technical Data 3:1 Ratio King Pumps, Models 243749, and 243750 Category Data Maximum Fluid Working Pressure 2.1 MPa (21 bar) (300 psi) Air Operating Range 0.28–0.7 MPa, 2.8 – 7 bar (40 – 100 psi) Fluid Flow at 60 Cycles per Minute 237 liter/min (63 gpm) Cycles Per Liter (gallon) 0.24 (0.93)
  • Page 35 Technical Data Viscount II 600 Pumps, Models 243740, 243751, & 243752 Category Data Maximum Fluid Working Pressure 4.1 MPa, 41 bar (600 psi) Maximum Hydraulic Fluid Pressure 10.3 MPa, 103 bar (1500 psi) Fluid Flow at 60 Cycles per Minute 118 liter/min (31 gpm) Cycles Per Liter (gallon) 0.5 (1.93)
  • Page 36 Technical Data Viscount II 400 Pumps, Models 243741, 243753, 243754, 248344, & 248345 Category Data Maximum Fluid Working Pressure 2.8 MPa, 28 bar (400 psi) Maximum Hydraulic Fluid Pressure 10.3 MPa, 103 bar (1500 psi) Fluid Flow at 60 Cycles per Minute 178 liter/min (47 gpm) Cycles Per Liter (gallon) 0.34 (1.3)
  • Page 37 Technical Data Viscount II 300 Pumps, Models 243742, 243755, 243756, 248345, 248346 Category Data Maximum Fluid Working Pressure 2.1 MPa, 21 bar (300 psi) Maximum Hydraulic Fluid Pressure 10.3 MPa, 103 bar (1500 psi) Fluid Flow at 60 Cycles per Minute 237 liter/min (63 gpm) Cycles Per Liter (gallon) 0.24 (0.93)

  • Page 38: Dimensions

    Dimensions Mounting Stand Hole Layout Viscount Motors have a 3/4 npt hydraulic inlet and a 1 in. npt hydraulic outlet. Models 243744, 243745, 243748, 243750, 243752, 243754, 243756, 248344, 248346: 2 in. bspp(f) 160.2 mm 160.2 mm (6.41 in.) (6.41 in.) Models 243737, 243738, 243739, 243740, 243741, 243742, 243743, 243745, 243747, 243749, 243751, 243753, 243755, 248343, 248345 include NPT adapter.
  • Page 39 Notes 309136...

  • Page 40: 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.

This manual is also suitable for:

High–flo 243738High–flo 243739High–flo 243740High–flo 243741High–flo 243742High–flo 243743 ... Show all

Table of Contents