Graco 236-463 Instructions-Parts List Manual
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Graco 236-463 Instructions-Parts List Manual

Pumps with severe-duty rod and cylinder
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INSTRUCTIONS-PARTS LIST
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
INSTRUCTIONS
CARBON STEEL
Dura-Flo
With Severe-Duty Rod and Cylinder
Refer to page 2 for a List of Models and the Table of Contents.
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
600 Pumps
COPYRIGHT 1995, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
308–349
First choice when
quality counts.
Model 236–463
Model 237–369
05250
Rev. C
Supersedes B
05242

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Summary of Contents for Graco 236-463

  • Page 1 Refer to page 2 for a List of Models and the Table of Contents. Model 236–463 05242 Model 237–369 05250 GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 COPYRIGHT 1995, GRACO INC. Graco Inc. is registered to I.S. EN ISO 9001...

  • Page 2: Table Of Contents

    Reconnecting the Displacement Pump ..Graco Phone Number ......

  • Page 3: Warnings

    This equipment is for professional use only. Read all instruction manuals, tags, and labels before operating the equipment. Use the equipment only for its intended purpose. If you are uncertain about usage, call your Graco distributor. Do not alter or modify this equipment. Use only genuine Graco parts and accessories.
  • Page 4 Check the hoses, tubes, and couplings daily. Replace worn, damaged, or loose parts immediately. Permanently coupled hoses cannot be repaired; replace the entire hose. 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. Ground the equipment and the object being sprayed. Refer to Grounding on page 7. If there is any static sparking or you feel an electric shock while using this equipment, stop spray- ing immediately.
  • Page 6 Notes...

  • Page 7: Installation

    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 the 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. A bleed-type master air valve (E) and a fluid drain An air manifold (G) has a 3/4 npsm(f) swivel air valve (M) are required in your system.
  • 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;...

  • Page 10: Operation/Maintenance

    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 Operation/Maintenance Flush the Pump Before First Use CAUTION The pump is tested with lightweight oil, which is left in Do not allow the pump to run dry. It will quickly to protect the pump parts. If the fluid you are using accelerate to a high speed, causing damage.
  • Page 12 Operation/Maintenance Shutdown and Care of the Pump CAUTION WARNING Never leave water or water-base fluid in the pump overnight. If you are pumping water-base fluid, flush To reduce the risk of serious injury whenever you with water first, then with a rust inhibitor such as are instructed to relieve pressure, always follow the mineral spirits.

  • 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.

  • Page 14: Service

    Fill the packing nut (8) 1/3 full disconnecting the entire pump. This pump is too of Graco Throat Seal Liquid or compatible solvent. heavy for one person. If you are disconnecting the displacement pump from a motor which is still 6.
  • Page 15 Service Model 236–463 Shown Torque to 61–75 N m (45–55 ft-lb) Torque to 195–210 N m (145–155 ft-lb) Torque to 68–81 N m (50–60 ft-lb) 05243 Fig. 4...

  • 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 Disassembly (7). Be careful to catch the intake ball (13) 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 wooden 7.
  • Page 18 Service Reassembly 4. For standard displacement pump 236–457, lubri- cate the throat packings and place them in the outlet housing (6) in the following order, with the 1. If it was necessary to remove the piston ball lips of the v-packings facing down: the male housing (9) from the displacement rod (1), clean gland (3*), four leather v-packings (19*), one the threads of the rod and the ball housing, and...
  • Page 19 Service Torque to 61–75 N m (45–55 ft-lb). Lips face up. Torque to 325–353 N m (240–260 ft-lb). Lips face down. Torque to 258–285 N m (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 (31*) on the intake valve (5). Lubri- 11. Install the seal (11*) on the bottom of the cylinder cate the seal and the threads of the intake valve. (2). See Fig. 8. Lubricate the seal and the threads of the cylinder.
  • Page 21 Parts Part No. 236–463 Pump, Series A Part No. 237–369 Pump, Series A 41:1 Ratio, with Bulldog Air Motor 41:1 Ratio, with Reduced Icing Quiet Bulldog Air Motor 05243 05248 Ref. Ref. Part No. Description Qty. Part No. Description Qty. 208–356 AIR MOTOR, Bulldog 237–001...
  • Page 22 Parts Part No. 237–371 Pump, Series A Ref. Part No. Description Qty. 41:1 Ratio, with Bulldog Air Motor 208–356 AIR MOTOR, Bulldog and riser tube See 307–049 for parts 176–529 LABEL, warning 190–500 ROD, tie; 486.5 mm (19.15”) shoulder to shoulder 186–925 NUT, coupling 184–129...
  • Page 23 Parts NOTE: The parts listed on this page are common to all Part displacement pumps covered in this manual. Refer to page Description 24 for the different packing configurations available. 190–172 ROD, displacement; stainless steel 184–503 CYLINDER; stainless steel * These parts are included in Repair Kit 237–233, which 222–930 VALVE, intake;...
  • Page 24 Packing Kits Leather Packing Kit 237–233, for Standard Displacement Pump 236–457, Series A Part THROAT PACKINGS: PISTON PACKINGS: LIPS FACE DOWN LIPS FACE UP Description 184–247 GLAND, male; carbon steel 184–197 GLAND, female; carbon steel PTFE 109–302 V-PACKING; 184–302 V-PACKING; leather * Kit also includes items 1 1, 12, 13, and 31 (see page 23).

  • Page 25: Bulldog

    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 35.0, 350...

  • Page 27: Dimensions

    Dimensions Mounting Hole Layout Model 236–463 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 05242 Pump Model 236–463 1105 mm 561 mm 544 mm 257 mm 1–1/2 in.

  • Page 28: Graco Phone Number

    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.

This manual is also suitable for:

Dura-flo 600237-369

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