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INSTRUCTIONS - PARTS LIST
684-021
Revision A
This manual contains IMPORTANT
WARNINGS and INSTRUCTIONS
READ AND RETAIN FOR REFERENCE
DIVORCED DESIGN
®
1:1 Ratio Standard
Sanitary Pump
180 PSI (12.6 bar) MAXIMUM FLUID WORKING PRESSURE
180 PSI (12.6 bar) MAXIMUM AIR INPUT PRESSURE
Model: 946-964
TABLE of CONTENTS
Symbols ................................................ 2
Safety Warnings ................................... 2, 3
Installation ............................................. 4, 5
Operation .............................................. 6
Maintenance ......................................... 7
Troubleshooting .................................... 8
Service .................................................. 9
Technical Data ...................................... 10
Warranty ............................................... 12
GRACO INC. - EAS P.O. Box 1441 MINNEAPOLIS, MN 55440-1441
© COPYRIGHT 1997, GRACO INC.
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Table of Contents
Related Manuals for Graco Standard 946-964
Summary of Contents for Graco Standard 946-964
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Page 1: Table Of Contents
Safety Warnings ........2, 3 Installation ..........4, 5 Operation ..........6 Maintenance ......... 7 Troubleshooting ........8 Service ..........9 Technical Data ........10 Warranty ..........12 GRACO INC. - EAS P.O. Box 1441 MINNEAPOLIS, MN 55440-1441 © COPYRIGHT 1997, GRACO INC. -
Page 2: Symbols
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 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. Refer to Grounding. If there is any static sparking or you feel an electric shock while using this equipment, stop dispensing immediately.
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Page 4: Installation
1. Pump: use a ground wire and clamp. See the figures and the parts drawing. Figure 1. Loosen the grounding lug locknut (W) and washer (X). Insert one NOTE: Always use Genuine Graco Parts and Accessories, available from your Graco end of the ground wire (Y) into the slot in distributor. - Page 5 Installation 3/8 npt Air Inlet M Bung-Mounted Sanitary Pump B 3/4 npt Exhaust Air Outlet G Air Line Drain Pipe and Valve N Dispensing Valve Air Exhaust Hose C Air Line Filter/Regulator H 1-1/2” Tube Size Flanged Fluid Outlet P Sensing Device D Bleed-Type Master Valve...
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Page 6: Operation
Operation Allow the pump to cycle slowly until all air is Pressure Relief Procedure pushed out of the lines (the fluid will be flowing in a steady stream from the fluid outlet) and the pump is primed. PRESSURIZED EQUIPMENT HAZARD With the air supply turned on, the pump will The system pressure must be manually relieved to prevent the system from starting or spraying... -
Page 7: Maintenance
Maintenance 4. Wash all the pump parts with an alkaline IMPORTANT NOTE: detergent manufacturer’s recommended temperature The following instructions show a basic procedure for cleaning a sanitary system. concentration, using either a brush or However, be sure to clean the pump and other C.O.P. -
Page 8: Troubleshooting
Troubleshooting 1. Relieve the pressure. 2. Check possible remedies Troubleshooting Chart before To reduce the risk of serious injury whenever you disassembling the pump. are instructed to relieve pressure, always follow the Pressure Relief Procedure. Problem Cause Solution Pump fails to operate Restricted air line or inadequate Clean air line or increase air air supply... -
Page 9: Service
Service Displacement Pump Disassembly Displacement Pump Assembly NOTE: Repair Kit 218-741 is available. Use NOTE: Lubricate the o-rings, throat packings, all parts in the kit for the best results. and piston seals with waterproof approved sanitary lubricant when reassembling. 1. Remove the pump from the fluid container. 1. -
Page 10: Technical Data
Technical Data Category Data Maximum fluid working pressure 180 psi (12.6 bar) Maximum air input pressure 180 psi (12.6 bar) Ratio Pump cycles per gallon (3.8 liters) Fluid flow at 60 cycles per minute 2.3 gallons (8.7 liters) Air consumption approximately 8 scfm (0.224 m³/minute) per gallon (3.8 liters) at 100 psi (7 bar) air Minimum air hose size... - Page 11 NOTES: 684-021...
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Page 12: Warranty
Graco. These items sold, but not manufactured by Graco (such as electric motor, switches, hose, etc.) are subject to the warranty, if any, of their manufacturer. Graco will provide purchaser with reasonable assistance in making any claim for breach of these warranties.