Related Manuals for Sponge-Jet RASP RX3
Summary of Contents for Sponge-Jet RASP RX3
- Page 1 SPONGE-JET ® RASP RX3 Feed Unit USER MANUAL Sponge-Jet, Inc. (USA) 14 Patterson Lane +1-603-610-7950 Newington, NH 03801 www.spongejet.com Sponge-Jet RASP RX3 User Manual - REV A / DOC: MKT-014-ENG SPONGE-JET RASP RX3 USER MANUAL |...
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Page 2: Table Of Contents
This manual represents the following models and their approximate working capacity: Model: RX3 Working Capacity: 37 liters (1.3 ft English Language is Original Instructions. Translated from Original Instructions. | SPONGE-JET RASP RX3 USER MANUAL... -
Page 3: Basic Components
Handhole Cover 2 Crab Assembly 3 Handhole 4 Grounding strap 5 Emergency Stop Button 6 Lifting Eye 7 Pressure Vessel 8 On/Off Blast Pressure Regulator 9 Choke Valve 10 Moisture Separator 11 Air Motor SPONGE-JET RASP RX3 USER MANUAL |... - Page 4 23 Air Motor Moisture Separator 24 Air Motor Lubricator 25 Air Motor 26 Clean Out Trap 27 Auger Chain Guard 28 Manual Rotation Knob 29 Actuator Control Line 30 Media Actuator 31 Actuator Tree and Chain | SPONGE-JET RASP RX3 USER MANUAL...
- Page 5 32 Blast Pressure Gauge 33 Line Pressure Gauge 34 Media Feed Gauge 35 Blast Hose 36 Nozzle Holder 37 Nozzle 38 Twinline 39 Twinline Connection 40 Deadman Handle SPONGE-JET RASP RX3 USER MANUAL |...
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Page 6: Safety Checklist
ALWAYS use proper respiratory, hearing and eye protection equipment. The operator and anyone within 1m (3ft) of the nozzle can be exposed to sound emission in excess of 120 dB(A). Never point Blast Nozzle towards yourself or others. | SPONGE-JET RASP RX3 USER MANUAL... - Page 7 WARNING ONLY use Sponge-Jet approved positive-feed Deadman control handles. DO NOT reverse twinlines. Failure to comply will override safety controls, cause unintentional start-up and unreliable shutdown—which may lead to serious injury or death. Inspect ALL equipment prior to each shift.
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Page 8: Requirements
No. 6 Nozzle 9.5mm Feed Unit Reserve Total No. 7 Nozzle 11mm Feed Unit Reserve Total 10.0 11.5 13.1 No. 8 Nozzle 11.1 12.7 12.5mm Feed Unit Reserve Total 10.9 11.9 12.8 14.7 16.6 | SPONGE-JET RASP RX3 USER MANUAL... - Page 9 50mm (2in) universal 4-lug coupling. Larger hoses decrease pressure loss. Nozzle Orifice Recommended Air Line I.D. 9.5mm (3/8in) 50mm (2in) 11mm (7/16in) 50mm (2in) 12.5mm (1/2in) 76mm (3in) SPONGE-JET RASP RX3 USER MANUAL |...
- Page 10 0 º C (32 º F) Containment Sponge-Jet Sponge Media™ must be contained to be efficiently recycled. Use plastic sheeting or mesh. Projects involving hazardous materials, high wind load or other challenging conditions may require more complex containment and negative air dust collection.
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Page 11: Operation
Pinch point. Moving unit may cut, pinch or cause dismemberment, keep clear of moving parts. WARNING Eye, hearing and respiratory personal protective equipment required for operators and others in close proximity to blasting. Failure to do so may result in serious injury. SPONGE-JET RASP RX3 USER MANUAL |... - Page 12 Connect compressor to Supply Line Connection and secure safety pins and whip-check. Fill Feed Unit through Handhole. 1. Insert Handhole Cover in Handhole 2. Tighten the Handhole Cover with Push/Pull hand-latch | SPONGE-JET RASP RX3 USER MANUAL...
- Page 13 Pinch point. Moving part may cut, pinch or cause dismemberment, keep clear of moving pop-up. WARNING Eye, hearing and respiratory personal protective equipment required for operators and others in close proximity to blasting. Failure to do so may result in serious injury. SPONGE-JET RASP RX3 USER MANUAL |...
- Page 14 Check Main Air Ball Valve is closed, then charge supply line. Open Main Air Ball Valve. Pull Emergency Stop Button to open position. To begin blasting, unlock Deadman Handle by pressing down safety flap. | SPONGE-JET RASP RX3 USER MANUAL...
- Page 15 Nozzle Size Sponge Media Recycles Working Mix Typical Media Feed Pressures 7-12 10mm (7/16in) 2.0 30 12mm (1/2in) 2.8 40 2.0 30 Confirm Manual Rotation Knob is rotating. Prepare surface to desired condition. SPONGE-JET RASP RX3 USER MANUAL |...
- Page 16 For shutdowns to conduct inspection, maintenance or for extended non-use. Release Deadman Handle, then push in Emergency Stop Button. Shut off inbound supply of air from its source. Shut off Main Air Ball Valve. Open Main Air Ball Valve. | SPONGE-JET RASP RX3 USER MANUAL...
- Page 17 Pressurized system. Release air pressure before servicing. Failure to comply may result in serious injury. Once all Control Panel gauges read “0” bar (psi), confirm supply line to the Unit is depressurized. #1 #2 #3 Close Main Air Ball Valve. SPONGE-JET RASP RX3 USER MANUAL |...
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Page 18: Maintenance
Air Motor Lubricator. USE SAE 5W (ISO 32) NON-DETERGENT OIL ONLY. Performed monthly (or as needed) Remove Auger Chain Guard and inspect Auger Drive Chain. Apply lightweight lubricating oil as necessary. Replace Auger Chain Guard. | SPONGE-JET RASP RX3 USER MANUAL... -
Page 19: Troubleshooting
Check Main Air Ball Valve is open. Check Emergency Stop Button is pulled out. Check all Twinline Quick Connect Fittings are connected and secure. Check for damage to Twinline. Check Line Pressure is adequate for operation using Section 3.1. SPONGE-JET RASP RX3 USER MANUAL |... - Page 20 Push in Emergency Stop Button. If unit stops, likely problems are: 1. Incorrect Deadman. Replace with Sponge-Jet Deadman. 2. Twinline air lines from unit to Deadman have been reversed. 3. Deadman is broken; replace with Sponge-Jet Deadman. | SPONGE-JET RASP RX3 USER MANUAL...
- Page 21 Sponge Media Recycles Working Mix 7-12 10mm (7/16in) 2.0 30 12mm (1/2in) 2.8 40 2.0 30 Turn Manual Rotation Knob clockwise to confirm free rotation. If excessive force is required, clear obstruction (see next section). SPONGE-JET RASP RX3 USER MANUAL |...
- Page 22 Guard and rotating clockwise. Remove Auger Chain Guard. Remove (4) outside screws, pull Auger from unit and remove obstruction. Reassemble Auger; replace (4) outside screws, and test for smooth rotation. Re-install Auger Chain Guard. | SPONGE-JET RASP RX3 USER MANUAL...
- Page 23 Air Motor performs inconsistantly at lower media pressures 1. Check Air Motor Lubricator oil level. Refill as necessary. USE SAE 5W (ISO 32) NON-DETERGENT OIL ONLY. SPONGE-JET RASP RX3 USER MANUAL |...
- Page 24 4. Disconnect all Blast Hose connections; inspect for and remove obstructions. Too much Sponge Media exits Nozzle or is pulsing 1. Check Choke Valve is in open. 2. Check Media Feed Pressure is within gauge recommended range (green). | SPONGE-JET RASP RX3 USER MANUAL...
- Page 25 Blast Pressure continuously increases and decreases or Unit exhausts intermittently while blasting Check for damage to Twinline and for air leaks at all fittings and connections. Repair, replace or tighten as necessary. SPONGE-JET RASP RX3 USER MANUAL |...
- Page 26 Confirm proper motion of Actuator Tree Assembly. Turn media feed adjustment and blast pressure adjustment to zero. With the Handhole Cover removed, press the Deadman Trigger and observe 45˚ back-and-forth motion of Actuator Tree and Chain. | SPONGE-JET RASP RX3 USER MANUAL...
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Page 27: Notes
NOTES MODEL SERIAL SPONGE-JET RASP RX3 USER MANUAL |...
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