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Instructions – Parts List
Parts
STAINLESS STEEL
Dura–Flot 600 Pumps
With Severe–Duty Rod and Cylinder
Read warnings and instructions.
See page 2 for model numbers and maximum
working pressures.
* See page 2 for models that are
Model 686615
certified and
approved.
04498
Model 236464
308350F
04373
Model 237634
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Table of Contents
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Summary of Contents for Graco Dura–Flo 236464
- Page 1 Dura–Flot 600 Pumps With Severe–Duty Rod and Cylinder Read warnings and instructions. See page 2 for model numbers and maximum working pressures. * See page 2 for models that are Model 686615 certified and approved. 04498 Model 236464 308350F 04373 Model 237634...
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Page 2: List Of Models
Pump Part No. and Series Pump Model * 237634, Bulldogr Series A * 236464, Reduced Icing Series A Quiet Bulldogr 686615, Senatorr Series A * This model is certified and Warnings ........ - Page 3 Warning Symbol WARNING his symbol alerts you to the possibility of serious injury or death if you do not follow the instructions. EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury. INSTRUCTIONS D This equipment is for professional use only.
- Page 4 INJECTION HAZARD Spray from the gun, 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. D Fluid injected into the skin might look like just a cut, but it is a serious injury.
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Page 5: Fire And Explosion Hazard
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. D Ground the equipment and the object being sprayed. Refer to Grounding on page 7. D If there is any static sparking or you feel an electric shock while using this equipment, stop spray- ing immediately. - Page 6 Notes...
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Page 7: General Information
General Information NOTE: Reference numbers and letters in parentheses in the text refer to the callouts in the figures and the parts drawing. NOTE: Always use Genuine Graco Parts and Acces- sories, available from your Graco distributor. Refer to Product Data Sheet, Form No. 305724. If you supply your own accessories, be sure they are adequately sized and pressure rated for your system. - Page 8 System Accessories (continued) WARNING A bleed-type master air valve (E) and a fluid drain valve (M) are required in your system. These accessories help reduce the risk of serious injury, including fluid injection and splashing of fluid in the eyes or on the skin, and injury from moving parts if you are adjusting or repairing the pump.
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Page 9: Typical Installation
Pump Wall Bracket Pump Runaway Valve Air Line Lubricator Bleed-Type Master Air Valve (required, for pump) Pump Air Regulator G Air Manifold Electrically Conductive Air Supply Hose Fig. 2 Installation TYPICAL INSTALLATION Air Line Filter Bleed-Type Master Air Valve (for accessories) Fluid Filter M Fluid Drain Valve (required) Electrically Conductive... - Page 10 Operation/Maintenance Pressure Relief Procedure WARNING 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. To reduce the risk of an injury from injection, splashing fluid, or moving parts, follow the Pressure Relief Procedure whenever you:...
- Page 11 Operation/Maintenance Flush the Pump Before First Use The pump is tested with lightweight oil, which is left in to protect the pump parts. If the fluid you are using may be contaminated by the oil, flush it out with a compatible solvent.
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Page 12: Shutdown And Care Of The Pump
Operation/Maintenance Shutdown and Care of the Pump WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 10. For overnight shutdown, stop the pump at the bottom of its stroke to prevent fluid from drying on the ex- posed displacement rod and damaging the throat packings. -
Page 13: Troubleshooting Chart
Troubleshooting Chart WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 10. PROBLEM CAUSE The pump fails to oper- Valves are closed or clogged. ate. The fluid hose or gun is obstructed. Fluid has dried on the displacement rod. -
Page 14: Required Tools
Required Tools Set of adjustable wrenches Large pipe wrench 2–3/4 in. socket wrench Torque wrench Rubber mallet O-ring pick Large vise Plastic or wooden block, approximately 6 in. square x 1 in. thick Thread lubricant Thread sealant Disconnecting the Displacement Pump 1. - Page 15 Model 237634 Shown Torque to 61–75 NSm (45–55 ft-lb) Torque to 195–210 NSm (145–155 ft-lb) Torque to 68–81 NSm (50–60 ft-lb) Fig. 4 Service 04377...
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Page 16: Displacement Pump Service
DISPLACEMENT PUMP SERVICE Disassembly When disassembling the pump, lay out all the removed parts in sequence, to ease reassembly. NOTE: Packing Repair Kits are available. For the best results, use all the new parts in the kit. Kit parts are marked with an asterisk, for example (3*). - Page 17 CAUTION To reduce the possibility of costly damage to the rod (1) and cylinder (2), always use a plastic or wooden block to help drive the rod out of the cylin- der. Never hit the rod with a hammer. 5. Turn the cylinder (2) upside down and strike the top of the rod (1) on a plastic or wooden block until the piston comes free.
- Page 18 Reassembly 1. If it was necessary to remove the piston ball housing (9) from the displacement rod (1), clean the threads of the rod and the ball housing, and apply thread sealant. Screw the ball housing onto the rod, hand tight. Place the flats of the piston ball housing in a vise and torque the rod to 258–285 NSm (190–210 ft-lb).
- Page 19 Torque to 61–75 NSm (45–55 ft-lb). Torque to 325–353 NSm (240–260 ft-lb). Torque to 258–285 NSm (190–210 ft-lb). Lubricate. Apply thread sealant. Throat Packing Detail (Displacement Pump 236458 Shown; see page 24 for options.) 8 (Ref) 6 (Ref) Piston Packing Detail (Displacement Pump 236458 Shown;...
- Page 20 9. Install the seal (30*) on the intake valve (5). Lubri- cate the seal and the threads of the intake valve. 10. One end of the intake housing (7) has a rounded ball cavity (S) on the inside (see Fig. 9). Install the ball (13*) in this cavity, then screw the intake valve (5) into the intake housing handtight.
- Page 21 See page 23 for parts 110{ 112887 WRENCH, spanner Y Replacement Danger and Warning labels, tags and cards are available at no cost. Parts Part No. 236464 Pump, Series A 41:1 Ratio, with Reduced Icing Quiet Bulldog Air Motor 102Y {105 110{ {108 04377 Ref.
- Page 22 Part No. 686615 Pump, Series A 25:1 Ratio, with Senator Air Motor {105 {108 Ref. Part No. Description 217540 AIR MOTOR, Senator See 307592 for parts 102Y 176529 LABEL, warning 105{ 190000 ROD, tie; 224 mm (8.82”) shoulder to shoulder 106{ 186925 NUT, coupling...
- Page 23 NOTE: The parts listed on this page are common to all displacement pumps covered in this manual. Refer to page 24 for the different packing configurations available. * These parts are included in Repair Kit 237234, which may be purchased separately for standard Displacement Pump 236458.
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Page 24: Packing Kits
Leather Packing Kit 237234, for Standard Displacement Pump 236458, Series A Part Description 184222 GLAND, male; stainless steel 184172 GLAND, female; stainless steel V-PACKING; PTFE r 109302 184302 V-PACKING; leather * Kit also includes items 11, 12, 13, and 30 (see page 23). Teflonr Packing Kit 237236 (Optional) Part Description... -
Page 25: Technical Data
Be sure that all fluids and solvents used are chemically compatible with the Wetted Parts listed below. Always read the manufacturer’s literature before using fluid or solvent in this pump. Category Maximum fluid working pressure Maximum air input pressure Ratio Pump cycles per 3.8 liters (1 gallon) Fluid flow at 60 cycles per minute 8.7 liters/min (2.3 gpm) - Page 26 KEY: Fluid Outlet Pressure – Black Curves Air Consumption – Gray Curves MPa, bar 35.0, 350 28.0, 280 21.0, 210 14.0, 140 7.0, 70 liters/min To find Fluid Outlet Pressure (MPa/bar/psi) at a specific fluid flow (lpm/gpm) and operating air pressure (MPa/bar/psi): 1.
- Page 27 Dimensions Model 237634 Shown Pump Model 237634 1105 mm 561 mm (43.50 in.) (22.09 in.) 236464 1155 mm 561 mm (45.47 in.) (22.09 in.) 686615 Mounting Hole 101.6 mm (4.0”) 94.28 mm (3.712”) 50.8 mm (2.0”) Three M16 x 2.0...
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Page 28: Graco Standard Warranty
Graco Standard Warranty Graco warrants all equipment 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 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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