Page 2 - Manual No.
2 309024 Table of Contents Warnings 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . System Information 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ratio Adjustment 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Determining the Ratio 11 . ...
Page 3 - Warnings; Warning Symbol; Caution Symbol; CAUTION; WARNING; EQUIPMENT MISUSE HAZARD
309024 3 Warnings Warning Symbol WARNING This symbol alerts you to the possibility of seriousinjury or death if you do not follow the instructions. Caution Symbol CAUTION This symbol alerts you to the possibility of damage toor destruction of equipment if you do not follow theinstructions. WARNING I...
Page 4 - SKIN INJECTION HAZARD; FIRE, EXPLOSION AND ELECTRIC SHOCK HAZARD
4 309024 WARNING SKIN INJECTION HAZARD Spray from the spray gun, hose leaks, or ruptured components can inject fluid into your body andcause extremely serious injury, including the need for amputation. Splashing fluid in the eyes or on theskin can also cause serious injury. Fluid injected into the s...
Page 5 - MOVING PARTS HAZARD; TOXIC FLUID HAZARD; System Information
309024 5 WARNING MOVING PARTS HAZARD Moving parts can pinch fingers. Keep clear of all moving parts when starting or operating the equipment. TOXIC FLUID HAZARD Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on theskin, inhaled, or swallowed. Know the spe...
Page 6 - Typical Installation; About Typical Installations
6 309024 Typical Installation About Typical Installations The typical installations shown below and on page 7are only guidelines to setting up a complete VRHCsystem. For clarity, various components are shown inthe correct order but may not be shown in the exactposition of the installed system. For a...
Page 8 - Installation
8 309024 Installation NOTE: Reference numbers and letters in the text refer to Figures 1 to 18. Location Sit the proportioner on a flat floor positioner. Connect the Solvent Flush Supply Line Remove the safety panels (38,39,40). See Fig. 4 onpage 10. Connect a grounded fluid hose (X) from thesolvent...
Page 9 - Grounding
309024 9 Installation Grounding WARNING FIRE AND EXPLOSION HAZARD Before operating the pump, ground thesystem as explained below. Also readthe section FIRE AND EXPLOSION HAZARD on page 4. 1. Pump: use the ground wire and clamp (supplied). See Fig. 3. Loosen the grounding lug locknut (W)and washer (X...
Page 10 - Ratio Adjustment; Terms
10 309024 Ratio Adjustment Understanding the terms used with the Variable Ratio Hydra-Cat (VRHC) System, how it functions, and how to find and set the correct ratio(s) for your applica-tion, is the key to easier, more versatile operation ofyour proportioning system. Be sure to read and understand th...
Page 11 - Determining the Ratio; Determine your system conditions
309024 11 Determining the Ratio Determine your system conditions If these are your conditions – one primary pump, onesecondary pump, fluids are ready-to-spray viscosity –set the ratio as explained under Setting the Secondary Pump(s) on page 14. If these are your conditions – one primary pump andone ...
Page 12 - Set the Ratio
12 309024 Set the Ratio Fig. 5 shows the relationship between the primarypump and the secondary pump. To set the secondary pump on a standard VRHCSystem with only two pumps, refer to Setting the Secondary Pump(s) on page 14. To set the secondary pump on a non-standard VRHCSystem or for an additional...
Page 13 - Calculate the Ratio Setting
309024 13 Calculate the Ratio Setting In this example, A 5:1 ratio of base to catalyst is required. The base/primary pump Model (e.g. 221074);effective area is 0.470 in. The catalyst/secondary pump Model (e.g. 221026);effective area is 0.278 in. 1. To determine the base to catalyst setting. a. Multi...
Page 15 - Operation
309024 15 Operation Pressure Relief Procedure WARNING SKIN INJECTION HAZARD The system pressure must be manuallyrelieved to prevent the system fromstarting or spraying/dispensing acciden- tally. Fluid under high pressure can be injectedthrough the skin and cause serious injury. Toreduce the risk of ...
Page 16 - System Flushing
16 309024 Operation The pumps, mixer manifold and other componentswere tested with lightweight oil at the factory. Beforeoperating the pump, thoroughly flush the VRHC toprevent contamination of the fluids. System Flushing NOTE: Flush the mixer, hose and gun/valve often enough to prevent fluid from r...
Page 17 - Standard Operating Flushing
309024 17 Operation NOTE: To open the mixer manifold (120), put the handle in the down position. To close the mixermanifold, put the handle in the up position. See Fig. 7on page 16. Standard Operating Flushing 1. Use the solvent valves to flush contaminants andmixed fluids from the mixer manifold, h...
Page 18 - Troubleshooting; Troubleshooting Techniques
18 309024 Troubleshooting Troubleshooting Techniques Because the pumps are mechanically linked, the actionof one pump can affect the readings of the secondpump. Therefore, the key to successful troubleshootingis to be sure to isolate the problem. For example, the secondary pump pressure, as readon t...
Page 20 - Service; Required Service Tools; Bearing and Pump Lubrication; Air Lubrication (Air Operated Motors Only); Detecting Bearing and Pin Wear
20 309024 Service Required Service Tools Tool Use for 3/32”–90 or T-handle hex key All setscrews 3/4” open end wrench Clamp bolts and fluidhose on pump outlet 1” open end wrench Locknuts on capscrews 9/16” open end wrench Tie rod nuts 1/2” open end wrench Loosening tie rods frommotor base 1–1/8” ope...
Page 22 - Fitting the Pins into the Bearings
22 309024 Service Determining Which Pin and/or Bearing isWorn 1. Disassemble the VRHC. After the pins and bear-ings are removed, wipe them off with a clean rag. 2. Visually inspect the pins for scoring, lines, groovesand scratches on the area in contact with thebearing. Then feel the surface of the ...
Page 28 - Replacing the Lever Arm on the Frame
28 309024 Service 9. If replacing the lower bearing (14d) and pin (35d): a. Thread the locknut (3) all the way onto thebearing. b. Screw the inlet manifold (32) onto the bearingtwelve turns and tighten the locknut up to theinlet manifold. Torque to 60 ft-lb (81 N.m). c. Lubricate the support pin (35...
Page 30 - Parts
30 309024 Parts For Monark Options A01, M01, and Q01 02434A 108 110 120 119 109 105 106 115 124 107 or111 117 102 103 123 116 121 118 107 122 125 126 127 128 130 129
Page 32 - Unit Frame All Options
32 309024 Parts Unit Frame All Options 1 2 02432A 17 31 34 14 15 2 16 28 50 3 14 31 34 17 9 3 32 5 53 27 35 36 59 53 33 25 12 25 26 12 42 49 Torque to 35 in–lb (4 N.m) Torque to 60 ft–lb (81 N.m) 1 1 2 2 2 1 16 32 5 60
Page 36 - All President Options; Displacement Pump Combinations for Other Proportion Ratios
36 309024 Parts All President Options Displacement Pump Combinations for Other Proportion Ratios See page 38 for adjustment ratio. Pump Combinations Proportion Ratio Volume Output gpm (l/min ) At 100 psi (0.7 MPa, 7 bar)psi (MPa bar) Primary Secondary Ratio gpm (l/min.) psi (MPa, bar) 222012 222015 ...
Page 38 - Dimensions
A C B G H E F D E Four socketsfor casters.SeeAccessories 02366A 38 309024 Dimensions A HeightPresident 48.5” (1232 mm) . . . . . . . . . . . . . . . . . . . Viscount 48.5” (1232 mm) . . . . . . . . . . . . . . . . . . . . Monark 45.6” (1156 mm) . . . . . . . . . . . . . . . . . . . . . Bulldog 55.5”...
Page 39 - Technical Data
309024 39 Technical Data Motor Weight Stroke Length Effective Area President 19 lb(8.6 kg) 4 in (102 mm) 14.19 Sq in91.55 cm Monark 13 lb (5.9 kg) 3 in(6 mm) 7.0 Sq in45 cm 2 Bulldog 78 lb (35.1 kg) 4.75 in(121 mm) 7.07 Sq in45.61 cm Viscount I 18.5 lb(83 kg) 4 in(102 mm) 7.07 Sq in45.61 cm Wetted P...
Page 40 - Graco Standard Warranty; Graco Information
40 309024 Graco Standard Warranty Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on thedate of sale by an authorized Graco distributor to the original purchaser for use. With the exception of any special, extended, or limit...