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INSTRUCTIONS-PARTS LIST 307–809
Rev. T
This manual contains important
Supersedes N
warnings and information.
First choice when
and PCN R
READ AND KEEP FOR REFERENCE.
quality counts.
(includes Rev. S
INSTRUCTIONS
changes)
LOW PRESSURE, MEDIUM VOLUME
HIGH-FLO Pumps
NOTE: Stainless steel pumps are severe-duty and electropolished,
for use with water-base coatings
Refer to page 2 for the Table of Contents.
For Pump Model Nos., Ratios and Working Pressures,
refer to page 3.
NOTE: Refer to manual 3
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Table of Contents Pump Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Quiet Bulldog Pumps . . . . . . . . . . . . . . . . . . . . . . . 29 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Viscount Pumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Installation Carbon Steel Displacement Pumps . . . . . . . . . . . 32 All Pumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Electropolished Stai
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Pump Models NOTE: These pumps are not suitable for metering. Contact your Graco distributor for more information. CARBON STEEL MODELS Maximum Air Maximum Fluid (or Hydraulic*) Working Pressure Working Pressure Model No. Series Ratio and Type (parts list pages) MPa, bar (psi) MPa, bar (psi) 220–559 A 1.5:1 President (24) 1.2, 12 (180) 1.9, 19 (270) 220–560 A 2:1 President (24) 1.2, 12 (180) 2.5, 25 (360) 220–561 A 3:1 President (24) 1.1, 11 (166) 3.4, 34 (500) 237–223 A 3:1 President, w/PTFE pack
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Symbols Warning Symbol Caution Symbol WARNING CAUTION This symbol alerts you to the possibility of serious This symbol alerts you to the possibility of damage to injury or death if you do not follow the instructions. or destruction of equipment if you do not follow the instructions. WARNING EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury. INSTRUCTIONS This equipment is for professional use only. Read all instruction manu
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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 7. If there is any static sparking or you feel an electric shock while using this equipment, stop spray- ing/dispensing immediately. Do not use the equipment until you identify and correct the problem. Provide fresh air ventilation to
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Notes
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Installation (All Pumps) Z Typical Installation Y The Typical Installations shown in Figs. 2 and 3, and the following installation information are only guides. Proper sizing of the pump, accessories and lines is essential to get the maximum performance from your system. Contact your Graco distributor for assistance in designing a system to meet your needs. Mount the Pump X This pump can be mounted on a floor stand, cart, wall W 0720 bracket, or drum. The floor stand shown in the Typical Fig. 1 I
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Installation (Air-Powered Pumps) 5. The air filter (K) removes harmful dirt and moisture Air Line to Motor from the compressed air supply. WARNING 6. The air supply line (J) must be large enough to supply the proper volume of air to the motor. A bleed-type master air valve (D) is required in your system, to help reduce the risk of serious injury including splashing fluid in the eyes or on the Fluid Line from Pump skin, and injury from moving parts if you are adjust- ing or repairing the pump. WA
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Installation (Air-Powered Pumps) KEY A Mix Tank B Pump Stand C Fluid Supply Line; 38 mm (1–1/2 in.) minimum diameter D Fluid Shutoff Valve E Fluid Line; 25 mm (1 in.) J M K P minimum diameter L MN F Surge Tank Stand G Surge Tank H Ground Wire (required; see page 7 for installation) J Air Supply Line K Airline Filter L Air Regulator and Gauge M Bleed-Type Master Air Valve (required) N Airline Lubricator P Pump Runaway Control Valve H Q Fluid Drain Valve (required) A A Q B H G E D D Q F D C D 019
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Installation (Hydraulic-Powered Pumps) Hydraulic Power Supply Hydraulic Return from Motor NOTE: The motor’s hydraulic outlet is 7/8 in., 37 flare. Use a minimum 16 mm (5/8 in.) ID hydraulic CAUTION return line (K). The Hydraulic Power Supply must be kept clean at 1. The shutoff valve (R) isolates the motor when all times to avoid damage to the motor and hydraulic servicing the system. power supply. 1. Blow out hydraulic lines with air and flush thor- CAUTION oughly before connection to the moto
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Installation (Hydraulic-Powered Pumps) KEY A Mix Tank E Fluid Line; 25 mm (1 in.) J 10 Micron Return Filter P Pressure Reducing Valve B Pump Stand minimum diameter K Hydraulic Return Line; 16 mm Q Hydraulic Pressure Gauge C Fluid Supply Line; F Surge Tank Stand (5/8 in.) minimum diameter R Hydraulic Shutoff Valve 38 mm (1–1/2 in.) G Surge Tank L Hydraulic Supply Line; 13 mm S Flow Control Valve minimum diameter H Ground Wire (required; see (1/2 in.) minimum diameter T Fluid Drain Valve (required
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Operation (All Pumps) 1. Shut off the power to the pump. Before You Start the Pump Read and follow all instruction manuals, labels and 2. In an air-powered system, close the air regulator tags supplied with this pump and with all the accesso- and close the bleed-type master air valve. ries you add to the system, before operating the sys- tem. 3. In a hydraulic-powered system, close the hy- Flush the Pump Before First Use draulic supply line shutoff valve first, then the return line shutoff valve
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Operation (Air-Powered Pumps) NOTE: In a circulating system, the pump operates Starting and Adjusting the Pump continuously until the power supply is shut off. In a 1. Charge the surge tank, if you are using one. See direct supply system, the pump starts when the gun/ the separate instruction manual, 307–707. valve is opened, and stops when the gun/valve is closed. The pump always stops on the downstroke due 2. Open all shutoff valves (D). to the vented inlet seat (32). 3. Open the dispensing va
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Operation (Hydraulic-Powered Pumps) 12. Release the gun trigger. Starting and Adjusting the Pump 1. Charge the surge tank, if you are using one. See NOTE: In a circulating system, the pump operates the separate instruction manual, 307–707. continuously until the power supply is shut off. In a 2. Open all shutoff valves (D). direct supply system, the pump starts when the gun/ valve is opened, and stops when the gun/valve is 3. Turn on the hydraulic power supply. closed. The pump always stops on t
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Maintenance The operating conditions of your particular system Excessive Leaking at Throat determine how often maintenance is required. Estab- To monitor leaking at the throat, remove one of the lish a good maintenance schedule during the first small plugs (31) from the packing nut (21). Place one several weeks of operation by recording when and end of a drain tube in the hole and the other end in a what kind of maintenance is needed, and then deter- container. See Fig. 4. Monitor the drainage.
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Maintenance Air Line Lubricator Stop the Pump at the Bottom of Its Stroke Keep properly filled for automatic air motor lubrication. WARNING To reduce the risk of serious injury whenever you Air Line Filter are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 12. Drain and clean as necessary. Whenever you stop the pump for any reason, relieve the pressure. Stop the pump on the downstroke, Hydraulic Power Supply Check before the air motor changes over. If the pum
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Troubleshooting 1. Relieve the pressure. WARNING 2. Check all possible problems and solutions before To reduce the risk of serious injury whenever you disassembling pump. are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 12. PROBLEM CAUSE SOLUTION Pump output low on both strokes. Restricted air or hydraulic supply Clear any obstructions; be sure all shut- lines. off valves are open; increase pressure, but do not exceed maximum working pressure. Exhausted flu
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Service adapter plate (L) as shown in Fig. 6. Position the Disconnecting the Displacement Pump displacement pump (D) on the tie rods (C). Lubri- NOTE: In stand or wall-mounted installations, you do cate the threads of the tie rods. Screw the locknuts not have to remove the entire pump from its mounting. (B) onto the tie rods loosely. Screw the coupling nut (K) onto the piston rod (H) and torque to 102–109 Nm (75–80 ft-lb). Torque the tie rod locknuts to 68–75 Nm (50–55 ft-lb). WARNING To redu
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Service Model 236–601 Viscount I+ Pump Shown Model 220–569 Senator Pump Shown E E L G K 2 G C 1 H J A F 2 D 3 B 1 C H 1 Lubricate threads. Torque to 102–109 Nm 2 (75–80 ft-lb). B 3 1 Lubricate threads. Torque to 68–75 Nm Torque to 102–109 Nm 3 (50–55 ft-lb). 2 (75–80 ft-lb). 01928 D Torque to 68–75 Nm Fig. 7 3 (50–55 ft-lb). Model 220–564 President Pump Shown 01926 Fig. 5 E Model 220–564 M President Pump Shown 4 E L L 5 F G G 2 K 2 K H C H 1 Lubricate threads. 1 3 1 Torque to 102–109 Nm C 2
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Service 9. Remove the four capscrews (9) and washers (8) Repair Kits from the intake housing (10). Use a flatblade A pump seal kit is available for each pump size. Throat screwdriver inserted between the lower pump packing kits are also available, one for UHMWPE/ housing (11) and the intake housing (10) to sepa- leather pumps and one for PTFE pumps. The piston rate the parts. seals may also be converted to PTFE. Refer to page 36 for ordering. 10. Remove the balls (5), seats (6 and 32) and gas- k
