Graco EQ300C manual

Operation, Repair, and Parts EcoQuip EcoQuip EcoQuip Vapor Vapor Vapor Abrasive Abrasive Abrasive Blast Blast Blast System System System 334667B EN Vapor Vapor Vapor abrasive abrasive abrasive blast blast blast system. system. system. For For For professional professional professional use use use only. only. only. Not Not Not approved approved appr[...]

Contents Contents Contents Models .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 2 Related Manuals . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 2 Warnings .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 3 OEM System Guidelines .. .. [...]

Warnings Warnings Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure-specic risks. When these symbols appear in the body of this manual or on warning labels, refer back to thes[...]

Warnings WARNING WARNING WARNING BURN BURN BURN HAZARD HAZARD HAZARD Equipment surfaces and uid that is heated can become very hot during operation. To avoid severe burns: • Do not touch hot uid or equipment. FIRE FIRE FIRE AND AND AND EXPLOSION EXPLOSION EXPLOSION HAZARD HAZARD HAZARD Flammable fumes, such as solvent, in work area can igni[...]

OEM System Guidelines OEM OEM OEM System System System Guidelines Guidelines Guidelines U.S. U.S. U.S. Metric Metric Metric System Weight (Dry) 450 lb 204 kg System Weight (Wet) 1600 lb 726 kg Water Tank Size (must be water compatible) 100 gallon (recommended) 378 liter (recommended) Pump Inlet Fitting Dixon 6EM6-B quick disconnect interchange incl[...]

System Component Identication System System System Component Component Component Identication Identication Identication EQ300C EQ300C EQ300C and and and EQ600C EQ600C EQ600C 6 334667B[...]

System Component Identication Key: Key: Key: A Cart B Blast Control Switch B2 Blast Nozzle C Blast Hose E Pot F Bung Pin G Water Tank H Water Tank Lid J Pot Dump Valve K Auto Vent Valve L Blast Check Valve M Abrasive Ball Valve P Control Box Q Emergency Stop R Blast Air Regulator Key: Key: Key: S Abrasive Material T Pot Pressure Regulator U Pot [...]

Pressure Relief Procedure Pressure Pressure Pressure Relief Relief Relief Procedure Procedure Procedure Follow the Pressure Relief Procedure whenever you see this symbol. This equipment stays pressurized until pressure is manually relieved. To help prevent serious injury from pressurized uid, such as splashing uid, follow the Pressure Relief [...]

Operation Operation Operation Operation Checklist Checklist Checklist Before Before Before Starting Starting Starting • Check the compressed air supply according to its operator manual. Make sure the air being supplied is clean and relatively free of moisture and oil to prevent water contamination of the air control components. • Make sure air [...]

Operation Connecting Connecting Connecting the the the Blast Blast Blast Hose Hose Hose and and and Air Air Air Hose Hose Hose 1. Always purge the air supply hose 15–20 seconds before connecting the air supply hose from the compressor (or on-site compressed air source) to the panel. Make sure all debris is cleared from the hose. 2. Connect an app[...]

Operation Setting Setting Setting Up Up Up the the the Equipment Equipment Equipment 1. Disconnect the abrasive hose at the cam and groove with the abrasive ball valve closed. NOTE: NOTE: NOTE: If the pot contains water and abrasive (especially under pressure), releasing the cam and groove with the ball valve open will cause an unintentional releas[...]

Operation 8. Turn the selector valve to RINSE. 9. Disengage the Emergency Stop. NOTE: NOTE: NOTE: The water pump will not work unless the Emergency Stop is disengaged. 10. Align the bung handle with the pin slot, and then rmly push and turn the handle 90° after the pin is below the bracket slot. Proper engagement of the pin will hold the bung d[...]

Operation 13. When the water level reaches the bung seal, rotate the handle to release the bung pin (this will cause the bung to pop up against the seal and close the bung). 14. Turn the selector valve to FILL. NOTE: NOTE: NOTE: The water pump should begin cycling. If not, open the pot pressure regulator enough to cause the pump to run at 60 cpm. N[...]

Operation 20. Open the abrasive ball valve. NOTE: NOTE: NOTE: Make sure the pot pressure returns to the initial setting (it will not return to the initial setting if the metering valve is closed). 21. Engage the blast control switch and begin blasting. NOTE: NOTE: NOTE: You may have to wait 1–2 minutes for the abrasive material to reach the nozzl[...]

Operation Blasting Blasting Blasting Tips Tips Tips When rst learning the effects of the blaster, get a better understanding of the results by starting at a shallow angle (closer to 0° than to 90°) and keep the nozzle approximately 16 in. (40 cm) from the application. Observe the results, then reduce the distance, steepen the angle, and adjust[...]

Operation Metering Metering Metering Valve Valve Valve Settings Settings Settings There is no xed formula for what works best in each application. The information below works best for the majority of the time. From this initial setting, adjustments can be made up or down to get the fastest removal rates without damage to the surface. Normal sett[...]

Operation Using Using Using the the the Wash Wash Wash Feature Feature Feature The wash feature causes air-driven water (without abrasive) to blast and rinse areas that have already been blasted with abrasive. It is also a convenient feature for ushing abrasive from the blast hose. NOTICE NOTICE NOTICE There will always be some residual abrasive[...]

Operation Relling Relling Relling the the the Pot Pot Pot with with with Abrasive Abrasive Abrasive 1. Close the abrasive ball valve. 2. Turn the selector valve to RINSE. 3. Open the dump valve slowly to relieve the water pressure in the pot. NOTE: NOTE: NOTE: Be prepared to capture the water that will be drained from the pot. All disposal[...]

Operation Shutting Shutting Shutting Down Down Down 1. When you have nished blasting, perform wash until all of the abrasive is ushed from the blast hose. See Using the Wash Feature, page 17 . 2. Turn the selector valve to RINSE, and with the abrasive ball valve closed, continue to blast until water is cleared from the hose. This is to dry th[...]

Operation 8. Engage the bung pin to hold the bung open and allow air to enter. 9. Open the abrasive ball valve and ush the pot of any remaining abrasive material. 10. Close the pot bung and connect the abrasive hose. Relieve pressure to complete system shutdown (see Pressure Relief Procedure, page 8 ). NOTE: NOTE: NOTE: The system must be winter[...]

Operation Winterizing Winterizing Winterizing the the the Equipment Equipment Equipment Vapor-Abrasive Blasters must be winterized whenever there is a possibility of freezing temperatures during storage. It is imperative that you anticipate the possibility of a freeze and always protect the unit during fall and winter seasons, even if being stored [...]

Troubleshooting Troubleshooting Troubleshooting Troubleshooting Problem Problem Problem Cause Cause Cause Solution Solution Solution The air supply is inadequate. Make sure the air inlet pressure gauge reads 100-125 psi. If the gauge does not read 100–125 psi, check the air compressor for proper setup. The Emergency Stop is engaged. Disengage the[...]

Troubleshooting Problem Problem Problem Cause Cause Cause Solution Solution Solution The pot does not have a sufcient amount of abrasive. See Relling the Pot with Abrasive, page 18 . The system is not properly set up. See Setting Up the Equipment, page 11 . Make sure the pot pressure is properly set. The pot pressure must be set 30 psi above [...]

Troubleshooting Problem Problem Problem Cause Cause Cause Solution Solution Solution The pneumatic blast control circuit is malfunctioning. See Pneumatic Blast Control Circuit, page 27 . The main air regulator is stuck open. See Repairing the Main Air Regulator, page 28 (EQ600 – Kit 17C131, EQ300 – Kit 17C129). The blast control tubing is not c[...]

Troubleshooting Problem Problem Problem Cause Cause Cause Solution Solution Solution The unit is not on a level surface. Place the unit on a level surface. If this is impossible, the Auto-Vent must be on the higher side of the unit. The initial pot pressure is not set correctly. Conrm that the auto-vent valve is working and set initial pot press[...]

Troubleshooting Troubleshooting Troubleshooting Troubleshooting Examples Examples Examples Checking Checking Checking for for for Leaks Leaks Leaks 1. Open the dump valve. Check pot pressure gauge, then close the dump valve. Look at the pressure gauge to conrm that all pressure has been relieved from the pot. ti24825a 2. Disconnect the tubing at[...]

Troubleshooting Pneumatic Pneumatic Pneumatic Blast Blast Blast Control Control Control Circuit Circuit Circuit 1. At the Air-Relay, disconnect the push-to-connect tubing and check the trigger circuit (from the blast control handle). 2. With the blast control activated, conrm that there is air owing from the disconnected tube. NOTE: NOTE: NOT[...]

Repair Repair Repair Repair Repairing Repairing Repairing the the the Main Main Main Air Air Air Regulator Regulator Regulator NOTE: NOTE: NOTE: Repair parts are available in Kit 17C131 (EQ600) or Kit 17C129 (EQ300). 1. Perform Pressure Relief Procedure, page 8 . 2. Make sure all of the air pressure is relieved in the unit. Remove the water separat[...]

Repair Flushing Flushing Flushing the the the Diaphragm Diaphragm Diaphragm Valve Valve Valve This procedure can be performed with the component still mounted in the panel. If large-grit abrasive or other foreign matter become lodged in the diaphragm valve, it will become necessary to ush the valve. This is a simple procedure; however, it does c[...]

Repair Repairing Repairing Repairing the the the Diaphragm Diaphragm Diaphragm Valve Valve Valve NOTE: NOTE: NOTE: The diaphragm (17C127 – EQ300, 17C128 – EQ600) can be replaced without removing the assembly from the panel. You will need an 8 mm Allen wrench for the EQ600S and a 6 mm for the EQ300S. 1. Perform the Pressure Relief Procedure, pag[...]

Repair Cleaning Cleaning Cleaning the the the Auto Auto Auto - - - Vent Vent Vent Valve Valve Valve After the pop-up has been closed while lling the pot, the auto-vent valve should release air (you should be able to hear the air venting). The pot pressure gauge will not show pressure until the auto-vent valve has bled all of the air and sealed. [...]

Repair Replacing Replacing Replacing the the the DataTrak DataTrak DataTrak Battery Battery Battery FIRE FIRE FIRE AND AND AND EXPLOSION EXPLOSION EXPLOSION HAZARD HAZARD HAZARD To reduce the risk of re and explosion, the battery must be replaced in a non-hazardous location. Use only an approved replacement battery (see table). Use of an unappro[...]

Repair Replacing Replacing Replacing the the the DataTrak DataTrak DataTrak Fuse Fuse Fuse FIRE FIRE FIRE AND AND AND EXPLOSION EXPLOSION EXPLOSION HAZARD HAZARD HAZARD To reduce the risk of re and explosion, the fuse must be replaced in a non-hazardous location. Use only an approved replacement fuse (see table). Use of an unapproved fuse will v[...]

Parts Parts Parts Parts EQ300C EQ300C EQ300C and and and EQ600C EQ600C EQ600C 34 334667B[...]

Parts EQ300C EQ300C EQ300C and and and EQ600C EQ600C EQ600C Parts Parts Parts List List List Ref. Ref. Ref. Part Part Part Description Description Description Qty. Qty. Qty. 1 PRESSURE POT, 6.5 cf, assy 1 2 ENCLOSURE, blast, 1 1/2 in. npt 1 EQ300S Models EQ600S Models 4 LABEL, branding 1 5 17D786 KIT, replacement, hose restraint 1 17D787 KIT, repla[...]

Parts Enclosure Enclosure Enclosure 12 Torque tting to 35 – 40 ft-lb (47 – 54 N•m). 36 334667B[...]

Parts Enclosure Enclosure Enclosure Parts Parts Parts List List List Ref. Ref. Ref. Part Part Part Description Description Description Qty. Qty. Qty. 1 ENCLOSURE, ss, el, 30 in. x 24 in. x 12 in. 1 2 24V672 PUMP, water, sst, 3:1 1 3 KIT, blast plumbing 1 4 EQ5109 KIT, manifold 1 5 EQ5112 KIT, blast control, return 1 6 EQ5113 KIT, blast control, out[...]

Parts Pressure Pressure Pressure Pot Pot Pot Pressure Pressure Pressure Pot Pot Pot Parts Parts Parts List List List Ref. Ref. Ref. Part Part Part Description Description Description Qty. Qty. Qty. 1 PRESSURE POT, blast, 6.5 cubic ft. 1 2 KIT, pressure pot, ll port 1 102901 TEE, pipe 123724 FITTING, nipple, hex, 1/2 in. npt x 3/8 in. npt 166469 [...]

Hose Schematic Hose Hose Hose Schematic Schematic Schematic Ref. Ref. Ref. Part Part Part Cut Cut Cut Length Length Length 28 EQ1296 42.0 in. 29 EQ1882 16.0 in. 35 EQ1273 12.25 in. 35 EQ1273 2.88 in. 35 EQ1273 5.5 in. 35 EQ1273 21.0 in. 37 EQ1297 24.5 in. 37 EQ1273 2.25 in. 39 EQ1881 21.75 in. Ref. Ref. Ref. Part Part Part Cut Cut Cut Length Length[...]

Vapor Abrasive Blast Systems and Accessories Vapor Vapor Vapor Abrasive Abrasive Abrasive Blast Blast Blast Systems Systems Systems and and and Accessories Accessories Accessories EcoQuip EcoQuip EcoQuip Skid Skid Skid Systems Systems Systems Model Model Model Series Series Series Package Package Package (blast (blast (blast hose hose hose and and [...]

Vapor Abrasive Blast Systems and Accessories Mobile/Skid Mobile/Skid Mobile/Skid Units Units Units Model Model Model Series Series Series Description Description Description EQ100M 100 Series Mobile unit, bare package EQ10EM 100 Series Mobile unit, complete package, electric blast control EQ10PM 100 Series Mobile unit, complete package, pneumatic b[...]

Vapor Abrasive Blast Systems and Accessories Hoses Hoses Hoses Model Model Model Description Description Description Type Type Type Length Length Length Blast Blast Blast Control Control Control ID ID ID Model Model Model EQ5237 Blast Hose Extension 15 m (50 ft) Pneumatic 1.0 in. EQ5235 Blast Hose Extension 15 m (50 ft) Electric 1.0 in. EQ5236 Blas[...]

Vapor Abrasive Blast Systems and Accessories Common Common Common Spare Spare Spare Parts Parts Parts Model Model Model Description Description Description 17B186 KIT, repair, pump 17C124 KIT, gasket, hose coupler 17C125 KIT, gasket, quick coupler 17C127 KIT, repair, diaphragm valve (EQ300) 17C128 KIT, repair, diaphragm valve (EQ100, EQ600) 17C129 [...]

Dimensions Dimensions Dimensions Dimensions 44 334667B[...]

Technical Specications Technical Technical Technical Specications Specications Specications EQ300S EQ300S EQ300S U.S. U.S. U.S. Metric Metric Metric Maximum Working Pressure 125 psi 8.6 bar, 0.86 MPa Operating Temperature 35° – 110° F 1.6° – 43.3° C Air Consumption 165 – 375 cfm 4.67–10.62 m^3/min Blast Hose Size 1 in. ID 25[...]

Graco Graco Graco Extended Extended Extended Warranty Warranty Warranty for for for EcoQuip EcoQuip EcoQuip ™ ™ ™ Components Components Components Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing the Graco or EcoQuip name to be free from defects in material and workmanship on the date of sale[...]