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306–694

Rev. W

Supersedes Rev U

and PCN W

First choice when

quality counts.

INSTRUCTIONS-PARTS LIST

INSTRUCTIONS

This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.

HYDRA–SPRAY

30:1 RATIO BULLDOG   PUMP

3000 psi (21.0 MPa, 210 bar) MAXIMUM FLUID WORKING PRESSURE

100 psi (0.7 MPa, 7 bar) MAXIMUM AIR INPUT PRESSURE

Model 237–004, Series A

With Reduced Icing Quiet Air Motor and Severe–Duty Displacement Pump*

Model 221–068, Series A

With Quiet Air Motor and Severe–Duty Displacement Pump*

Model 217–579, Series B

With Standard Air Motor and Severe–Duty Displacement Pump*

Model 237–067, Series A

With Standard Air Motor and PTFE–Packed Displacement Pump

* Severe–Duty Displacement Pumps have an abra-

sion and corrosion–resistant displacement rod and

sleeve. Refer to 

Technical Data in manual 307–862

for Wetted Parts information.

MODEL 217–579 SHOWN

GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441

COPYRIGHT 1997, GRACO INC.

Graco Inc. is registered to I.S. EN ISO 9001

Summary of Contents for 217-579

Page 1: ...Motor and Severe Duty Displacement Pump Model 221 068 Series A With Quiet Air Motor and Severe Duty Displacement Pump Model 217 579 Series B With Standard Air Motor and Severe Duty Displacement Pump M...

Page 2: ...nd 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 gen...

Page 3: ...he gun trigger safety operates before spraying Lock the gun trigger safety when you stop spraying Follow the Pressure Relief Procedure on page 8 whenever you are instructed to relieve pres sure stop s...

Page 4: ...ee of debris including solvent rags and gasoline Electrically disconnect all equipment in the spray area Extinguish all open flames or pilot lights in the spray area Do not smoke in the spray area Do...

Page 5: ...grounding continuity 3 Air compressor follow manufacturer s recommen dations 4 Spray gun grounding is obtained through connec tion to a properly grounded fluid hose and pump 5 Object being sprayed ac...

Page 6: ...required H Surge Tank J Fluid Shutoff Valve K Fluid Pressure Regulator L Spray Gun M Back Pressure Regulator N Director Valve P Fluid Suction Hose Q Suction Tube R Packing Nut Wet Cup S Drain Back Tu...

Page 7: ...to relieve air trapped between it and the air motor when the valve is closed see the WARNING at left Be sure the bleed valve is easily accessible from the pump and is located downstream from the air r...

Page 8: ...er safety 2 Shut off the air to the pump 3 Close the bleed type master air valve required in your system 4 Unlock the gun trigger safety 5 Hold a metal part of the gun firmly to the side of a grounded...

Page 9: ...lves J fluid pressure regulators K and back pressure regulators M are open 3 Place the suction tube Q in the fluid supply 4 Open the bleed type master air valves C WARNING To reduce the risk of splash...

Page 10: ...ER exceed 100 psi 0 7 MPa 7 bar MAXIMUM AIR PRESSURE to the pump Reduce the air pressure which reduces the fluid outlet pressure if any fluid line accessory is not rated to withstand the maximum worki...

Page 11: ...r to the separate dis placement pump manual 307 862 Shutdown and Care of the Pump WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressur...

Page 12: ...nt pump and hose Reprime Check valves need adjustment Adjust see manual 307 862 Packing nut too tight or too loose Adjust see page 11 Worn throat packings Replace see manual 307 862 Pump operates but...

Page 13: ...connecting rod 12 and replace if necessary Lubricate the threads of the connecting rod 12 Insert the coupling 11 in the coupling nut 10 and screw the coupling onto the connecting rod 12 so the holes...

Page 14: ...0 ELBOW street 1 1 2 npt m x 1 npt f 1 9 167 911 ROD tie 7 178 mm shoulder to shoulder 3 10 168 210 NUT coupling 1 11 168 211 COUPLING 1 12 168 212 ROD connecting 1 14 176 529 LABEL warning not shown...

Page 15: ...0 ELBOW street 1 1 2 npt m x 1 npt f 1 9 167 911 ROD tie 7 178 mm shoulder to shoulder 3 10 168 210 NUT coupling 1 11 168 211 COUPLING 1 12 168 212 ROD connecting 1 14 176 529 LABEL warning not shown...

Page 16: ...0 ELBOW street 1 1 2 npt m x 1 npt f 1 9 167 911 ROD tie 7 178 mm shoulder to shoulder 3 10 168 210 NUT coupling 1 11 168 211 COUPLING 1 12 168 212 ROD connecting 1 14 172 447 LABEL warning not shown...

Page 17: ...W street 1 1 2 npt m x 1 npt f 1 9 167 911 ROD tie 7 178 mm shoulder to shoulder 3 10 168 210 NUT coupling 1 11 168 211 COUPLING 1 12 168 212 ROD connecting 1 14 172 447 LABEL warning not shown 1 16 2...

Page 18: ...Air Motor Dimensional Drawing OPTIONAL 1 1 2 npt f FLUID INTAKE 42 34 in 1075 5 mm 22 09 in 561 1 mm 2 12 in 53 9 mm Mounting Hole Layout USE GASKET 161 806 4 102 mm 1 375 34 9 mm R Four 0 437 11 1 di...

Page 19: ...sure bar psi MPa 1 Locate desired flow along bottom of chart 2 Follow vertical line up to intersection with selected fluid outlet pressure curve black Follow left to scale to read fluid outlet pressur...

Page 20: ...o incidental or consequential damages for lost profits lost sales injury to person or property or any other incidental or consequential loss shall be available Any action for breach of warranty must b...

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