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Graco Bulldog 221–104 Instructions-Parts List Manual
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Graco Bulldog 221–104 Instructions-Parts List Manual

Graco Bulldog 221–104 Instructions-Parts List Manual

5:1 ratio pump
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INSTRUCTIONS-PARTS LIST
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
INSTRUCTIONS
5:1 Ratio Bulldog Pump
500 psi (35 bar, 3.5 MPa) Maximum Working Pressure
100 psi (7 bar, 700 KPa) Maximum Air Input Pressure
Model 221–104, Series A
With a Severe-Duty Displacement Pump*
* Severe–Duty Displacement Pumps have an abrasion
and corrosion-resistant displacement rod and sleeve.
Refer to the Technical Data in the separate displacement
pump manual 308–043 for wetted parts information.
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
COPYRIGHT 1988, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
307–871
Rev. F
Supersedes D
and PCN E

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Summary of Contents for Graco Bulldog 221–104

  • Page 1 Refer to the Technical Data in the separate displacement pump manual 308–043 for wetted parts information. GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 COPYRIGHT 1988, GRACO INC. Graco Inc. is registered to I.S. EN ISO 9001...
  • Page 2 Read all instruction manuals, tags, and labels before operating the equipment. Use the equipment only for its intended purpose. If you are not sure, call your Graco distributor. Do not alter or modify this equipment. Use only genuine Graco parts and accessories.
  • Page 3 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 4. If there is any static sparking or you feel an electric shock while using this equipment, stop spray- ing immediately.
  • Page 4 Installation Grounding T o maintain grounding continuity when flushing or relieving pressure, always hold a metal part of the Proper grounding is an essential part of maintaining a spray gun firmly to the side of a grounded metal safe system. pail, then trigger the spray gun.
  • Page 5 2. The Typical Installation shown above is only a The pump runaway valve (B) stops the supply of guide. Contact your Graco distributor for assis- air to the pump if the pump begins to run too fast, tance in designing a system to suit your needs.
  • Page 6 Starting and Adjusting the Pump Pressure Relief Procedure NOTE: If the pump is not immersed in fluid, fill the wet-cup (M) 1/2 full with Graco Throat Seal Liquid WARNING (TSL) or a compatible solvent. PRESSURIZED EQUIPMENT HAZARD 1. Open the bleed-type master air valve.
  • Page 7 Operation Flushing Keep the Fluid Supply Container Filled WARNING If your pump is running too fast, or accelerates quickly, it is probably out of fluid. Shut off the air supply imme- To reduce the risk of serious injury whenever you diately to prevent damage to the pump.

  • Page 8: Troubleshooting

    Troubleshooting Relieve the Pressure before you check or service any WARNING system equipment. To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the NOTE: Check all other possible problems and solu- Pressure Relief Procedure on page 6. tions before disassembling the pump.
  • Page 9 Service General Information Reassembly (See page 10) Follow the torque and assembly notes on page 10. 1. If removed, screw the three tie rods (6) into the motor (11). To service the air motor, refer to manual 307–049, supplied. 2. If removed, screw the bushing (59) into the outlet of the displacement pump (12).
  • Page 10 Parts Torque to 40–50 ft-lbs (54–68 N m) Apply lubricant Apply sealant to threads Apply lubricant to top thread of rod Part No. Description Qty. Part No. Description Qty. 100–103 PIN, cotter; 1.5” long 210–208 DISPLACEMENT PUMP 101–712 LOCKNUT; 5/8–11; See manual 308–043 for parts with nylon insert 161–612...

  • Page 11: Mounting Hole Layout

    Dimensions Mounting Hole Layout 5/8 UNC (3) For Pump Attachment 21.25” (540 mm) 4” (102 mm) 11” (279 mm) Diameter 57.75” 2” (1365 mm) (51 mm) 3.71” (94 mm) 0.44” 32.5” (11.1 mm) 1.875” (48mm) (826 mm) dia. (4) For Outlet Riser Tube 3.71”...
  • Page 12 Graco distributor to the original purchaser for use. 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 defec- tive.