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Graco A Series Instructions-Parts List Manual

Hydraulic motor and displacement pump
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INSTRUCTIONS-PARTS LIST
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
INSTRUCTIONS
Viscount I Hydraulic Motor and
Displacement Pump
Model 238–349, Series A
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
COPYRIGHT 1996, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
308–674
Rev. C
Supersedes Rev. B
06169

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Summary of Contents for Graco A Series

  • Page 1 READ AND KEEP FOR REFERENCE. INSTRUCTIONS Viscount I Hydraulic Motor and Displacement Pump Model 238–349, Series A 06169 GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 COPYRIGHT 1996, GRACO INC. Graco Inc. is registered to I.S. EN ISO 9001...
  • Page 2 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 not sure, call your Graco distributor. Do not alter or modify this equipment.
  • Page 3 WARNING INJECTION HAZARD Spray from the gun, 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. Fluid injected into the skin is a serious injury.
  • Page 4 WARNING FIRE AND EXPLOSION HAZARD Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and re- sult in a fire or explosion and serious injury. Ground the equipment and the object being sprayed. Refer to Grounding on page 5. If there is any static sparking or you feel an electric shock while using this equipment, stop spray- ing immediately.
  • Page 5 4. Spray gun: ground through connection to a prop- NOTE: Always use Genuine Graco Parts and Acces- erly grounded fluid hose and pump. sories, available from your Graco distributor. 5. Fluid supply container: follow your local code.
  • Page 6 Installation General 1. Connect the hydraulic motor (101) and the dis- placement pump (102) as explained on page 8. See Fig. 1. CAUTION Keep the hydraulic system clean To reduce the risk of damaging the hydraulic power supply and motor, blow out all hydraulic lines with air, flush thoroughly with solvent, and then blow out with air again before connecting the lines to the hydraulic motor.
  • Page 7 Clean or repair as needed. are instructed to relieve the pressure, Always use Graco-approved Hydraulic Oil or stop spraying, equivalent. Do not substitute a lower grade oil or check or service any of the system equipment, one with a lower flash point.
  • Page 8 Service Disconnecting the Hydraulic Motor WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 7. 1. Relieve the pressure. 2. Disconnect the hydraulic hoses and plug all hy- draulic connections and hoses.
  • Page 9 Notes...
  • Page 10 Service Disconnecting the Displacement Pump 6. Unscrew the lower tie plate (3), and retaining nut (4) from the displacement pump. CAUTION 7. Refer to manual 308–650 for displacement pump service. When servicing the left and center displacement pumps (as viewed from the rear of the system), the packings in both units must be replaced at the same time, or uneven performance will result.
  • Page 11 (103), tie rods (2), and the lower tie plate (3). Torque to 20–30 ft-lb (27–40 N m). 5. Reconnect all hoses. 6. Fill the packing nut (106) with Graco Throat Seal 06188 Fig. 4 Liquid, or compatible solvent. See Fig. 4.
  • Page 12 Notes...

  • Page 13: Technical Data

    Pump Assembly Parts Part No. Description Qty. For complete parts list, see manual 308–618. For complete parts list, see manual 308–650. 113–583 BOLT, tie 191–217 TIE ROD Torque to 20–30 ft-lb (27–40 N m). 191–213 TIE PLATE, pump Torque to 140–150 ft–lb (190–203 N m) 191–212 NUT, retaining 100–103...
  • Page 14 Notes...
  • Page 15 Notes...
  • Page 16 Graco distributor to the original purchaser for use. As purchaser’s sole remedy for breach of this warranty, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment proven defec- tive.

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