Graco B Series Instructions-Parts List Manual
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INSTRUCTIONS-PARTS LIST
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
INSTRUCTIONS
Viscount II 4500 Pump
1500 psi (100 bar, 10 MPa) Maximum Hydraulic Input Pressure
4500 psi (310 bar, 31 MPa) Maximum Working Pressure
Model 221–066, Series B
With Severe-Duty Displacement Pump*
and Quiet Hydraulic Motor
* Severe-Duty displacement pumps have an abrasion
and corrosion-resistant displacement rod and cylinder.
Refer to the Technical Data section of the separate pump
manual for "Wetted Parts" information.
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
COPYRIGHT 1975, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
307–159
Rev. K
Supersedes Rev. J
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Summary of Contents for Graco B Series
- Page 1 Refer to the Technical Data section of the separate pump manual for “Wetted Parts” information. GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 COPYRIGHT 1975, GRACO INC. Graco Inc. is registered to I.S. EN ISO 9001...
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Page 2: Table Of Contents
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: Warnings
WARNING INJECTION HAZARD Spray from the gun/valve, leaks or ruptured components can inject fluid into your body and cause ex- tremely 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 might look like just a cut, but it 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/dispensing immediately.
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Page 5: Installation
5. Object being sprayed: follow your local code. parts drawing. 6. Fluid supply container: follow your local code. NOTE: Always use Genuine Graco Parts and Acces- sories, available from your Graco distributor. 7. Solvent pails used when flushing: follow your local code. - Page 6 Carefully follow the manufacturer’s recommendations with air and flush thoroughly with solvent before on reservoir and filter cleaning, and periodic changes connecting to the hydraulic motor to avoid introduc- of hydraulic fluid. Use only Graco-approved hydraulic ing harmful contaminants into the motor. oil.
- Page 7 Installation Hydraulic Lines Operating Temperature Keep the hydraulic oil temperature below 130 F The motor has a 3/4 npt(f) hydraulic oil supply fitting, (54 C) for maximum pump performance. and a 1” npt(f) hydraulic oil return fitting. Usa a mini- mum 1/2 in.
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Page 8: Operation
If the pump is not immersed, fill the displacement low the Pressure Relief Procedure whenever you: pump wet-cup (P) 1/3 full of Graco Throat Seal Liquid are instructed to relieve the pressure, (TSL) or compatible solvent to prevent fluid from drying... - Page 9 Operation In a direct supply system, the pump will start when the gun or valve is opened, and stall when it is closed. In a circulating system, the pump will operate continuously COMPONENT RUPTURE HAZARD until the hydraulic power supply is turned off. To reduce the risk of overpressurizing your system, which could cause compo- WARNING...
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Page 10: Maintenance
Pressure Relief Procedure on page 8. Corrosion Protection for Carbon Steel Keep the wet-cup (P) 1/3 filled with Graco Throat Seal Liquid (TSL) WARNING Check the tightness of the packing nut weekly. Before To reduce the risk of serious injury whenever you adjusting, relieve the pressure. -
Page 11: Troubleshooting
Troubleshooting Before servicing this equipment, always make sure to WARNING relieve the pressure. To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the NOTE: Check all possible problems and solutions Pressure Relief Procedure on page 8. before disassembling the pump. -
Page 12: Service
Service Disconnecting the Hydraulic Motor Remove the tie rod lock nuts (3), then unscrew the tie rods (6) from the hydraulic motor base. See the parts drawing on page 13. WARNING To reduce the risk of serious injury whenever you See separate instruction manual 307–158 for hydraulic are instructed to relieve pressure, always follow the motor service instructions, and 307–728 for the dis-... -
Page 13: Parts
Parts Ref. Part No. Description Qty. 100–103 PIN, cotter; 0.125” (3.18 mm) x Torque to 40–50 ft-lb (54–68 N m) 1.50” (38.1 mm); steel 101–712 NUT, lock; 5/8–11 101–936 NUT, hex jam; 3/4–10 158–674 O-RING; nitrile rubber 167–911 ROD, tie 168–210 NUT, coupling 168–211... -
Page 14: Dimensions
(34.9 mm) R 1” npt(f) 20.9” (531 mm) 1–1/2” npt(f) Accessories HYDRAULIC FLUID, Graco-Approved POLYETHYLENE TUBE 054–106 207–428 1 gallon (3.8 liter) 0.25 in. (6.4 mm) ID; 0.375 in. (9.5 mm) OD. 169–236 5 gallons (19 liters) Connect to barbed hose fitting on hydraulic motor drip... -
Page 15: Performance Charts
Technical Data Maximum hydraulic input pressure ..........1500 psi (100 bar, 10.0 MPa) Maximum pump output pressure . -
Page 16: Warranty
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.
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