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Repair

7-7

1997 Nordson Corporation

107 070C

Issued 9/97

Manual 21-36

To replace the fluid tube, perform the following steps:

1. Follow steps 1 through 7 in

Disassembling the RA-16 Rotary

Atomizer

earlier in this section.

2. Follow steps 2 through 4 in

Removing and Repairing the Turbine

earlier in this section.

3. See Figure 7-4. Disconnect the nozzle (5).

4. Press the fluid tube (7) out through the back of the turbine (6).

5. Insert a new fluid tube (7).

6. Follow steps 2 through 7 in

Assembling the RA-16 Rotary Atomizer

later in this section.

To repair the speed sensor, perform the following steps:

1. See Figure 7-5. Unscrew the strain relief nut (2).

2. Unscrew and remove the magnetic speed pick-up assembly (1) from

the speed-sensor housing (4).

3. Install a new magnetic speed pick-up assembly (1).

2136032B

Fig. 7-5

RA-16 rotary atomizer speed sensor

1. Magnetic speed pick-up assembly
2. Strain relief nut

3. Connector
4. Speed-sensor housing

Replacing the Fluid Tube

Repairing the Speed Sensor

Содержание RA-16

Страница 1: ...RA 16 Rotary Atomizer Customer Product Manual Part 107 070C NORDSON CORPORATION D AMHERST OHIO D USA...

Страница 2: ...consent of Nordson Corporation The information contained in this publication is subject to change without notice Trademarks 100 Plus Blue Box ChromaFlex CleanSleeve CleanSpray Control Coat Cross Cut E...

Страница 3: ...System or Component Malfunction 1 8 9 Maintenance and Repair 1 8 10 Material and Solvent Precautions 1 10 11 Disposal 1 13 1 Introduction 2 1 Terms You Should Know 2 1 System Components 2 2 2 System...

Страница 4: ...ounting 3 1 3 Connecting Pneumatics 3 5 4 Connecting the Fluid Lines 3 6 Waterborne System 3 7 Using the Grooving Tool 3 8 1 Introduction 4 1 2 Daily Startup 4 1 3 Daily Shutdown 4 4 4 Long Term Shutd...

Страница 5: ...Fluid Tube 7 7 Repairing the Speed Sensor 7 7 Removing the Speed Sensor Housing 7 8 3 Assembling the RA 16 7 9 4 Repairing the Fluid Valves 7 10 Repairing the Side Paint Solvent or Dump Valves 7 10 1...

Страница 9: ...ming specific tasks and working with specific equipment S store this manual within easy reach of personnel installing operating maintaining or repairing this equipment S follow all applicable safety p...

Страница 10: ...and smoking prohibited WARNING Wear protective clothing safety goggles and approved respiratory protection Failure to observe may result in serious injury WARNING Hot Risk of burns Wear heat protectiv...

Страница 11: ...nd equipment damage Use this equipment only as described in this manual Nordson Corporation cannot be responsible for injuries or damages resulting from nonstandard unintended applications of its equi...

Страница 12: ...hutoff valves in the air supply lines to the system This allows you to relieve air pressure and lock out the pneumatic system before undertaking maintenance and repairs S Install a locking disconnect...

Страница 13: ...y devices must be removed for installation install them immediately after the work is completed and check them for proper functioning Only qualified personnel physically capable of operating the equip...

Страница 14: ...ressures and material composition for all equipment that you are working with Recognize potential hazards associated with these and exercise appropriate caution S Wear shoes with conductive soles such...

Страница 15: ...ressed air can be injected under the skin and cause serious injury or death S Do not use materials that will corrode the equipment S Do not attempt to operate electrical equipment if standing water is...

Страница 16: ...service or adjust any equipment unless another person trained in first aid and CPR is present S Disconnect lock out and tag electrical power at a disconnect or breaker in the service line ahead of ele...

Страница 17: ...m S Check all ground connections periodically with a megohm meter Resistance to ground must not exceed one megohm If sparks or arcing occur shut down the system immediately S Connect all disconnected...

Страница 18: ...the affected skin with lots of cool clean water Do not try to remove hot melted material from the skin Seek immediate medical attention High pressure fluids unless they are safely contained are extrem...

Страница 19: ...ad to an injection injury S Always relieve system pressure before servicing equipment Trigger all applicators and bleed off system pressure Halogenated hydrocarbon solvents can cause an explosion when...

Страница 20: ...ents in pressurized systems with aluminum components perform the following steps S Pump the system empty shut off the pumps and relieve the system pressure S Disassemble and inspect the system compone...

Страница 21: ...Ethylene Dibromide Dichlorofluoromethane Chloroform Methyl Iodide Methyl Bromide Trichlorofluoromethane Ethylene Dichloride N butyl Iodide Methylene Chlorobromide Freon Methylene Chloride Propyl Iodid...

Страница 25: ...d understand the following terms Term Definition Bearing air Shop air supplied to the RA 16 rotary atomizer bearing air port The two bearings within the turbine ride on a thin film of air to eliminate...

Страница 26: ...izer 2136001B 2 1 5 4 6 7 9 11 8 10 3 Fig 2 1 RA 16 rotary atomizer 1 Shroud 2 Fluid tube 2 orifice sizes 3 Cup with distributor 4 types 4 Nozzle 7 orifice sizes 5 Turbine 6 Dump valve trigger 1 8 in...

Страница 27: ...on on the Iso Flo system refer to the appropriate Iso Flo system manual The basic configuration for the RA 16 rotary atomizer fluid delivery system consists of the following S RA 16 rotary atomizer S...

Страница 28: ...system will consist of the following S basic RA 16 rotary atomizer fluid delivery system configuration S Iso Flo system S Electrostatic Power Supply EPS8 S IFC 100 electrostatic cable 2136002B 1 2 3...

Страница 29: ...raying coating material In an open loop configuration the S operator sets the desired speed range by using the manual air regulators located in the pneumatic panel S speed sensor senses the turbine sp...

Страница 30: ...ake air reduces turbine stopping time Vector Air Adjusting the vector air on the pneumatic panel allows you to control the size of the fan pattern When you increase the vector air the pattern size dec...

Страница 31: ...on direct it toward the part NOTE If the cup is not rotating when you trigger the coating material coating material could go into the turbine This subsection describes the specifications for the RA 16...

Страница 32: ...erved 107 070C Issued 9 97 Manual 21 36 40 000 rpm maximum Bearing air 68 l min at 5 52 bar 2 4 scfm at 80 psi Turbine air unloaded 425 l min 15 scfm at 40 000 rpm Nominal air includes vector air 707...

Страница 35: ...contact your local distributor or Nordson representative WARNING Risk of electrical shock Do not mount the RA 16 rotary atomizer with electrically conductive fittings plugs fasteners or brackets Failu...

Страница 36: ...following a loosen the three hex bolts 1 on the interface plate 2 b remove the three screws from the rear shroud c remove the two allen head screws 3 from the valve plate 4 d push the fluid tube 5 fr...

Страница 37: ...s reserved 107 070C Issued 9 97 Manual 21 36 2136004B 3 2 4 1 5 Fig 3 1 RA 16 rotary atomizer mounting stem and speed sensor cable 1 Magnetic speed pick up assembly 2 Strain relief nut 3 Connector 4 S...

Страница 38: ...n Corporation All rights reserved 107 070C Issued 9 97 Manual 21 36 2136005B 1 2 3 4 5 Fig 3 2 Installing a new fluid tube 1 Hex bolts 1 2 13 2 Interface plate 3 Allen head screws 1 4 20 4 Valve plate...

Страница 39: ...red air or without specified bearing air pressure will lead to premature turbine failure and voids all warranties To connect the pneumatic lines to the RA 16 rotary atomizer use the following steps 1...

Страница 40: ...nterface plate 1 Brake air port 2 Vector air port 3 Bearing air port 4 Paint valve trigger port 5 Solvent valve trigger port 6 Turbine air port The RA 16 rotary atomizer has three 1 4 in NPT F ports f...

Страница 41: ...nded option is to install a large non conductive tube 3 around the fluid lines 2 This will isolate the fluid lines from earth ground 2 Connect the fluid lines to the a appropriate fittings on the RA 1...

Страница 42: ...d insert the tubing 3 into the grooving tool as far as it can go Release the thumb rest 3 In the direction of the arrow 2 rotate the grooving tool four complete revolutions 4 Depress the thumb rest 1...

Страница 45: ...d For daily start up perform the following actions 1 See Figure 4 1 Turn on the main air shut off valve 1 2 Check the bearing air pressure It should be at least 4 83 bar 70 psi otherwise the system wi...

Страница 46: ...0A 1 2 3 10 11 9 8 7 6 4 5 Fig 4 1 Typical RA 16 rotary atomizer pneumatic panel 1 Main air shut off valve 2 Main air filter regulator 3 Main air filter 4 Vector air regulator 5 Turbine air regulators...

Страница 47: ...ghts reserved 107 070C Issued 9 97 Manual 21 36 2136011A 1 2 3 Fig 4 2 RA 16 rotary atomizer cup assembly 1 Cup 2 Distributor 3 Deflector 2136016A 1 3 2 Fig 4 3 Cup installation and removal 1 Turbine...

Страница 48: ...e solvent valve trigger switch 7 ON and OFF to flush the cup 8 Purge solvent from the system and begin spraying For daily shutdown see Figure 4 1 and follow these steps 1 When you finish spraying turn...

Страница 49: ...olution If necessary soak the cup and the distributor in compatible cleaning solution See Figure 4 1 For long term shutdown do the following 1 Follow steps 1 7 in Daily Shutdown 2 Flush the tube conne...

Страница 53: ...aximum efficiency follow these instructions carefully For daily maintenance perform the following steps 1 Clean the cup and distributor Wipe any overspray from the atomizer shroud 2 Make sure the air...

Страница 54: ...teps 1 Perform steps 1 through 4 in Daily described earlier in this section 2 See Figure 5 1 Inspect the fluid valve weep holes 1 for valve leaks If there is coating material in the weep hole tubing r...

Страница 55: ...or cause an explosion if a hot spark is discharged Periodically check the electrostatic system to make sure the operator RA 16 rotary atomizer EPS8 IFC 100 cable and all conductive materials within t...

Страница 59: ...solve the problem with the information given here contact your local Nordson representative for help Problem Page 1 Poor coating material transfer efficiency 6 2 2 Incorrect coating material atomizat...

Страница 60: ...panel with booster for turbine speed not functioning properly Replace V to P transducer V to P transducer for turbine speed not receiving 0 5 VDC signal Check speed control connections Replace the spe...

Страница 61: ...ontroller board Repair connection or replace RA 16 rotary atomizer loop controller board NOTE If speed sensor cable is disconnected the hardware fault light will go on Reattach the cables and reset th...

Страница 62: ...RA 16 rotary atomizer valve worn Replace leaking RA 16 rotary atomizer valve 6 Coating material does not spray out of RA 16 rotary atomizer Air pressure is less than 4 bar 60 psi Increase air pressur...

Страница 65: ...perform the following steps 1 If total disassembly is necessary flush the paint line with solvent or compatible cleaning solution otherwise skip to step 4 2 Shut off the paint and solvent pressure to...

Страница 66: ...shroud 1 to the valve plate 6 Remove the rear shroud 6 Remove the non conductive screws 2 holding the front shroud 4 to the turbine 5 7 Push on the nose of the turbine 5 and gently slide the front sh...

Страница 67: ...served 107 070C Issued 9 97 Manual 21 36 2136021B 1 3 2 6 5 4 Fig 7 2 RA 16 rotary atomizer disassembly 1 Rear shroud 2 Non conductive screws 3 Charge ring assembly 4 Front shroud 5 Turbine 6 Valve pl...

Страница 68: ...r b Place your hand over the top of the valve cartridge WARNING System or material pressurized Wear safety goggles Do not look directly at valve cartridge Failure to observe this warning may result in...

Страница 69: ...Rotary Atomizer earlier in this section 2 See Figure 7 4 Disconnect the speed sensor connection 1 from the speed sensor cable 3 Unscrew the three hex bolts 8 from the interface plate 2 Disconnect the...

Страница 70: ...d 107 070C Issued 9 97 Manual 21 36 2136020B 8 2 4 7 1 6 5 3 Fig 7 4 Turbine removal and repair 1 Speed sensor connection 2 Interface plate 3 Allen head screw 4 Valve plate 5 Nozzle 6 Turbine 7 Fluid...

Страница 71: ...through the back of the turbine 6 5 Insert a new fluid tube 7 6 Follow steps 2 through 7 in Assembling the RA 16 Rotary Atomizer later in this section To repair the speed sensor perform the following...

Страница 72: ...ection 3 Follow steps 1 and 2 in the Repairing the Speed Sensor section 4 See Figure 7 6 Pull the speed sensor housing 1 out of the valve plate NOTE Lubricate the O ring before installing 5 Install a...

Страница 73: ...Attach the interface plate 2 to the valve plate 4 with the three non conductive hex bolts 8 6 Attach the shroud to the valve plate 4 with the two non conductive screws The notched edge on the front sh...

Страница 74: ...Remove the spring 7 5 Pull out the valve assembly 6 6 Unscrew the gland nut 2 with a 5 16 in allen wrench After you disengage the threads use pliers to remove the nut 7 Remove the spring seal 4 and t...

Страница 75: ...07 070C Issued 9 97 Manual 21 36 2136017A 8 7 5 2 3 4 6 1 Fig 7 7 RA 16 rotary atomizer side valves 1 O ring 2 Gland nut 3 O ring 4 Spring seal 5 Valve body 6 Valve assembly 7 Spring 8 Valve adjustmen...

Страница 79: ...e Description column gives the part name as well as its dimensions and other characteristics when appropriate Indentions show the relationships between assemblies subassemblies and parts Item Part Des...

Страница 80: ...d connectors 1 12 941 100 S O ring 0 375 x 0 563 x 0 094 in 3 13 220 618 S Plug external IPS port 1 14 972 097 S Connector 3 8 in tube x 1 4 in NPT 2 15 972 229 S Connector 3 8 in tube x 1 4 in NPT 1...

Страница 81: ...x 0 125 in 15 40 981 557 S Screw 1 4 20 x 1 75 in soc cap 2 41 940 080 S O ring hotpaint 0 188 x 0 313 x 0 063 in 1 42 237 132 S Fluid tube coupling 1 43 940 100 S O ring hotpaint 0 250 x 0 375 x 0 06...

Страница 82: ...oration All rights reserved 107 070C Issued 9 97 Manual 21 36 2136023B 1 2 3 4 5 6 9 8 13 14 15 12 16 17 18 19 20 21 22 25 23 24 11 10 7 Fig 8 1 Waterborne RA 16 rotary atomizer 2 Waterborne RA 16 Rot...

Страница 83: ...eserved 107 070C Issued 9 97 Manual 21 36 2136024B 28 27 52 29 35 31 30 36 37 38 44 45 48 49 53 54 51 50 39 40 55 27 26 46 47 43 42 41 32 33 34 43 Fig 8 2 Waterborne turbine and multi valve housing 2...

Страница 84: ...249 002 S Spring comp 1 000 x 0 420 OD x 0 051 1 6 955 068 S Seal spring 0 188 x 0 375 3 32 PTF 1 7 189 857 S Fitting barbed 1 8 272 293 S Washer piston 2 9 272 294 S Washer seal piston 1 10 220 634 S...

Страница 85: ...Parts 8 7 E 1997 Nordson Corporation All rights reserved 107 070C Issued 9 97 Manual 21 36 2136027A 1 5 10 2 4 6 8 3 7 9 11 13 14 12 Fig 8 3 RA 16 rotary atomizer side valve Side Valve contd...

Страница 86: ...230 935 Nozzle fluid RA 16 0 080 dia orifice 1 A NOTE A Items are shipped with the RA 16 rotary atomizer Part Description Quantity 181 741 Assembly infrared transmitter 1 181 724 S Housing speed senso...

Страница 87: ...eals RA 16 A Part Description Quantity Note 295 390 Distributor cup 1 A 181 736 Turbine air center feed 1 181 741 Assembly infrared transmitter 1 181 743 Harness speed sensor 1 189 868 Muffler air rin...

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