Instruction/ maintenance manual of the product 288400 Graco
Go to page of 30
311327E ENG Repair-Parts Predator ™ Proportioner For spraying polyurethane foam and polyurea coatings. Not for use in explosive atmospheres. Model 288400 1600 psi (11.0 MPa,110 bar) Maximum Working Pressure 230 V, 60 Hz; 30 Amps; 5000 Total Heater Watts Important Safety Instructions Read all warnings and instructions in this manual.
Contents 2 311327E Contents Contents .................................. 2 R e l a t e dM a n u a l s ........................... 2 W a r n i n g s ................................. 3 Before Beginning Repair .................... 5 Flushing ............
Warnings 311327E 3 Warnings The following general warnings are for the setup, use, grounding, maintenance, and repair of this equipment. Addi- tional, more specific warnings may be found throughout the body of this manual where applicable. Symbols appear- ing in the body of the manual refer to these general warnings.
Warnings 4 311327E FIRE AND EXPLOSION HAZARD Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help prevent fire and explosion: • Use equipment only in well ventilated area.
Before Beginning Repair 311327E 5 Before Beginning Repair Flushing • Flush out fluid with new fluid, or flush out old fluid with a compatible solvent before introducing new fluid. • Use lowest possible pressure when flushing. • To flush entire system, circulate through gun fluid manifold (with manifold removed from gun).
Troubleshooting 6 311327E Troubleshooting Primary Heating System Before performing any troubleshooting procedures: 1. Relieve pressure, page 5. 2. Turn OFF red main power disconnect.
Troubleshooting 311327E 7 3. Remove the thermostat housing by removing the two mounting screws and carefully pulling the housing away from the heater. 4.
Troubleshooting 8 311327E Proportionting System Problems Try the recommended solutions in the order given for each problem to avoid unnecessary repairs. Also, determine that all circuit breakers, switches, and controls are properly set and wiring is correct before assuming there is a problem.
Troubleshooting 311327E 9 and an off-ratio condition will result. This malfunction will appear almost identical to cavitation, but somewhat less severe. 4. Pilot Valves - Check each valve for proper operation. If either valve is defective or damaged, replace both valves.
Troubleshooting 10 311327E c. Adjust the tap setting of the hose heat transformer to match the next shortest length of heated hose (see Hose Heat Power Pack on page 24). d. Unplug the next set of Power-Lock connectors and plug the hose jumper plug into the last “upstream” segment of hose.
Repair 311327E 11 Repair Proportioning Pumps When the proportioning pumps are functioning properly, it is not unusual for a trace amount of resin or isocyanate chemical to seep past the pump packing onto the pump shaft. Maintain proper packing adjustment to minimize seepage.
Repair 12 311327E 8. Disconnect tubes (N) from Iso Lube Pump on A side only. 9. Push retaining wire clip (R) up. Push retaining pin (U) out. 10. Loosen locknut (S) by hitting firmly with a non-sparking hammer. 11. Unscrew pump out of pump mounting plate (T).
Repair 311327E 13 3. Remove four bolts (117) to remove entire air motor assembly. 4. Remove lock nut (118) from piston rod (138) and remove pump yoke (122). 5. Remove four lock nuts (118), washers (116), and tie-rod bolts (117). 6. Lift top plate (115) and remove from air cylinder (114).
Repair 14 311327E Remove and clean filter screens as follows: 1. Follow Pressure Relief Procedure , page 5. 2. Place a rag beneath filter base to catch drain-off of chemical when removing screen plug. 3. Loosen screen plug just enough to allow material to drain out onto rag.
Accessories 311327E 15 Accessories 260652 Predator Material Supply Kit Pumps, hoses, and mounting hardware to supply fluids to unit. 246483 Air Supply Kit Hoses and fittings to supply air to feed pumps, agitator, and gun air hose. Included in feed pump kits; see manual 309827.
Parts 16 311327E Parts TI9515a 14 1 9 12 11 13 10 15 16 5 18 19 20 2 35 16 4 25 22 3 36 19 31 33 34 16 26 27 28 29 30 17 7 8 23 6 24 (detail of frame).
Parts 311327E 17 Parts - Main Assembly ❄ Not shown. Ref. Part Description Qty. 1 256508 PUMP, air motor, kit 1 2 297647 CART, mobile 1 3 297519 CONSOLE, electrical 1 4 297528 HEATER, primary 1 5 297652 POWER SUPPLY, 70 V 1 6 297485 THERMOSTAT 1 7 15J759 HOSE, pump, 14.
Parts 18 311327E Electrical Console AC AMPERES 5 0 10 15 50 10 0 20 30 40 100 90 80 60 70 OFF OFF OFF OFF HEA TER HOSE POT REAR OF LOAD 1 3 CONTROL AC POWER INPUT 4 79 74 83 86 64 63, 76, 77 65 75 61,.
Parts 311327E 19 Parts - Electrical Console ❄ Not shown. ▲ Replacement Danger and Warning labels, tags, and cards are available at no cost. Ref. Part Description Qty.
Parts 20 311327E Air Motor Assembly TI9513b 170 128 129 127 130 117 116 115 140 114 139 138 136 135 113 112 155 167 164, 166 163 126 118 165 132 133 121 122 141 137 160 111 116 113 110 116 117 151 146 170 153 154 143 128 142 171 113 156 149, 150 149, 150 147 148 145 144 118 See page 21 for parts.
Parts 311327E 21 Air Motor Assembly TI9511a TI9512a 120 131 123 134 124 119 173 125 176h 176g, 176k 174 175 176a 176c 176b 176m 176d 176e 176f Ref. Part Description Qty.
Parts 22 311327E Primary Heater Assembly 186 193 208 184 200 210 180 206 192 194 203 195 198 191 203 195 190 188 202 201 197 189 181 207 199 183 204 205 209 182 196 185.
Parts 311327E 23 Primary Heater Assembly Ref. Part Description Qty. 180 297529 STOP 1 181 297530 ELEMENT, heating 4 182 295731 NUT, wire 2 183 297245 FITTING, elbow, 90, st,1/4 x 1/4 1 184 297586 FITT.
Parts 24 311327E Hose Heat Power Pack ",+ 7(4 '2.
Parts 311327E 25 Hose Heat Power Pack (Power Supply) ▲ Replacement Danger and Warning labels, tags, and card are available at no cost. ❄ Not shown.
Parts 26 311327E Pneumatic Schematic F IG . 2: Pneumatic Schematic.
Parts 311327E 27 Electrical Schematic .
Parts 28 311327E.
Technical Data 311327E 29 Technical Data Maximum working pressure ....................... 1600 psi (11.0 MPa, 110 bar) Maximum fluid temperature ....................... 190°F (88°C) Maximum output (may vary due to operating conditions) ........... 1 6l b / m i n( 7 .
All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice. This manual contains English. MM 311327 Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, Korea GRACO INC.
An important point after buying a device Graco 288400 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Graco 288400 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Graco 288400 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Graco 288400 you will learn all the available features of the product, as well as information on its operation. The information that you get Graco 288400 will certainly help you make a decision on the purchase.
If you already are a holder of Graco 288400, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Graco 288400.
However, one of the most important roles played by the user manual is to help in solving problems with Graco 288400. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Graco 288400 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
