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INSTRUCTIONS-PARTS LIST
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
INSTRUCTIONS
STAINLESS STEEL
Dura-Flot 600 Pumps
With Severe-Duty Rod and Cylinder
Refer to page 2 for a List of Models and the Table of Contents.
Model 686615
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
ECOPYRIGHT 1995, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
308350
First choice when
quality counts.t
Model 237634
Model 236464
04498
Rev. E
04373
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Related Manuals for Graco Bulldog 237634
Summary of Contents for Graco Bulldog 237634
- Page 1 Refer to page 2 for a List of Models and the Table of Contents. Model 237634 04373 Model 686615 Model 236464 04498 GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 ECOPYRIGHT 1995, GRACO INC. Graco Inc. is registered to I.S. EN ISO 9001...
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Page 2: Table Of Contents
Reconnecting the Displacement Pump ..Graco Phone Number ...... -
Page 3: Warning Symbol
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 4 Permanently coupled hoses cannot be repaired; replace the entire hose. D Use only Graco approved hoses. Do not remove any spring guard that is used to help protect the hose from rupture caused by kinks or bends near the couplings.
- Page 5 WARNING 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 308350...
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Page 7: General Information
4. Spray gun: ground through connection to a prop- parts drawing. erly grounded fluid hose and pump. NOTE: Always use Genuine Graco Parts and Acces- 5. Fluid supply container: follow your local code. sories, available from your Graco distributor. Refer to Product Data Sheet, Form No. - Page 8 Installation System Accessories (continued) A pump runaway valve (C) senses when the pump is running too fast and automatically shuts off the air to the motor. A pump which runs too fast WARNING can be seriously damaged. An air manifold (G) has a 3/4 npsm(f) swivel air A bleed-type master air valve (E) and a fluid drain inlet.
- Page 9 Installation TYPICAL INSTALLATION Pump Air Line Filter Gun Swivel Wall Bracket Bleed-Type Master Air Valve Airless Spray Gun Pump Runaway Valve (for accessories) Suction Kit Air Line Lubricator Fluid Filter Ground Wire and Clamp Bleed-Type Master Air Valve M Fluid Drain Valve (required) (required;...
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Page 10: Pressure Relief Procedure
Operation/Maintenance Pressure Relief Procedure Packing Nut/Wet-Cup Before starting, fill the packing nut (8) 1/3 full with WARNING Graco Throat Seal Liquid (TSL) or compatible solvent. See Fig. 3. INJECTION HAZARD The system pressure must be manually WARNING relieved to prevent the system from starting or spraying accidentally. -
Page 11: Flush The Pump Before First Use
Operation/Maintenance Flush the Pump Before First Use WARNING The pump is tested with lightweight oil, which is left in INJECTION HAZARD to protect the pump parts. If the fluid you are using To reduce the risk of fluid injection, do may be contaminated by the oil, flush it out with a not use your hand or fingers to cover compatible solvent. -
Page 12: Shutdown And Care Of The Pump
Operation/Maintenance Shutdown and Care of the Pump Flush with a fluid that is compatible with the fluid you are pumping and with the wetted parts in your system. Check with your fluid manufacturer or supplier for WARNING recommended flushing fluids and flushing frequency. Always flush the pump before fluid dries on the dis- To reduce the risk of serious injury whenever you placement rod. -
Page 13: Troubleshooting Chart
Turn on the air just enough to start the pump. If the pump starts when the air is turned on, the obstruction is in the fluid hose or gun. NOTE: If you experience air motor icing, call your Graco distributor. 308350... -
Page 14: Service
5. Reconnect all hoses. Reconnect the ground wire if leave it attached to its mounting. it was disconnected. Fill the packing nut (8) 1/3 full of Graco Throat Seal Liquid or compatible solvent. CAUTION 6. Turn on the air supply. Run the pump slowly to ensure proper operation. - Page 15 Service 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) 04377 Fig. 4 308350...
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Page 16: Displacement Pump Service
Service DISPLACEMENT PUMP SERVICE 2. Using a 2–3/4 in. socket or a pipe wrench, un- screw the intake valve (5) from the intake housing (7). Be careful to catch the intake ball (13) Disassembly as you remove the intake valve, so that it does not fall and suffer damage. - Page 17 Service 6. Shine a light into the cylinder (2) to inspect the CAUTION inner surface for scoring or wear. Remove the two seals (11) from the cylinder. To reduce the possibility of costly damage to the rod (1) and cylinder (2), always use a plastic or 7.
- Page 18 Service Reassembly 4. For standard displacement pump 236458, lubricate the throat packings and place them in the outlet housing (6) in the following order, with the lips of 1. If it was necessary to remove the piston ball the v-packings facing down: the male gland (3*), r v-pack- housing (9) from the displacement rod (1), clean four leather v-packings (19*), one...
- Page 19 Service Torque to 61–75 NSm (45–55 ft-lb). Lips face up. Torque to 325–353 NSm (240–260 ft-lb). Lips face down. Torque to 258–285 NSm (190–210 ft-lb). See the Throat Packing Detail at left. Lubricate. See the Piston Packing Detail at left. Apply thread sealant.
- Page 20 Service 9. Install the seal (30*) on the intake valve (5). Lubri- 11. Install the seal (11*) on the bottom of the cate the seal and the threads of the intake valve. cylinder (2). See Fig. 8. Lubricate the seal and the threads of the cylinder.
- Page 21 Parts Part No. 237634 Pump, Series A Part No. 236464 Pump, Series A 41:1 Ratio, with Bulldog Air Motor 41:1 Ratio, with Reduced Icing Quiet Bulldog Air Motor 102Y 102Y 107{ 107{ {105 106{ 106{ {105 110{ 110{ {108 {108 These parts are included in These parts are included in Connection Kit 235417.
- Page 22 Parts Part No. 686615 Pump, Series A 25:1 Ratio, with Senator Air Motor 102Y 107{ {105 110{ 106{ {108 These parts are included in Connection Kit 235417. For applications requiring stainless steel tie rods, order Connection Kit 235418. 9204A 9204C Ref.
- Page 23 Parts NOTE: The parts listed on this page are common to all Part displacement pumps covered in this manual. Refer to Description page 24 for the different packing configurations available. 190172 ROD, displacement; stainless steel 184503 CYLINDER; stainless steel * These parts are included in Repair Kit 237234, which may 236585 VALVE, intake;...
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Page 24: Packing Kits
Packing Kits Leather Packing Kit 237234, for Standard Displacement Pump 236458, Series A Part THROAT PACKINGS: PISTON PACKINGS: LIPS FACE DOWN LIPS FACE UP Description 184222 GLAND, male; stainless steel 184172 GLAND, female; stainless steel PTFE 109302 V-PACKING; 184302 V-PACKING; leather * Kit also includes items 11, 12, 13, and 30 (see page 23). -
Page 25: Ratio
Technical Data WARNING 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 Data Maximum fluid working pressure 28.3 MPa, 283 bar (4100 psi) Maximum air input pressure 0.7 MPa, 7 bar (100 psi) Ratio... - Page 26 Technical Data KEY: Fluid Outlet Pressure – Black Curves 0.7 MPa, 7 bar (100 psi) Air Pressure Air Consumption – Gray Curves 0.49 MPa, 4.9 bar (70 psi) Air Pressure 0.28 MPa, 2.8 bar (40 psi) Air Pressure cycles/min scfm MPa, bar m#/min 5000...
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Page 27: Manual Change Summary
Dimensions Mounting Hole Layout Model 237634 Shown 94.28 mm (3.712”) 101.6 mm (4.0”) 94.28 mm (3.712”) 50.8 mm (2.0”) Three M16 x 2.0 Holes 11.1 mm (0.437”) 88 mm DIA (4) (3.464”) 0653 04373 Pump Model 237634 1105 mm 561 mm 544 mm 257 mm 1–1/2 in. -
Page 28: Graco Warranty
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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