Eastwood 2-PS Page 26 Quick Setup Manual Download | Manualshive

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6.2 Service and Adjustment of Control Unit (Cont.)

WARNING: NEVER OPERATE OR ADJUST THE CONTROL UNIT
WITH THE CONTROL UNIT COVER OFF. SHUT OFF TUBES
ARE UNDER PRESSURE AND THE CONTROLLER SPRING IS
UNDER GREAT COMPRESSION. EXPOSED MOVING
COMPONENTS PRESENT PINCH HAZARD

.

To service the control unit:

1. Turn off the safety lockout air valve located at the front of the pressure vessel

and lock it out. (sideway position)

TURN OFF THE SOURCE OF COMPRESSED AIR TO THE UNIT.

2. Vent the pressurized air from the delivery unit using the vessel valve located

on the top of the pressure vessel unit. Turn valve slowly (earplugs
recommended) releasing air pressure.

CHECK TO MAKE SURE SYSTEM IS TOTALLY DEPRESSURIZED.
DISCONNECT UNIT FROM COMPRESSED AIR SUPPLY.

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Summary of Contents for 2-PS

Page 1: ...THE EASTWOOD COMPANY HEAVY DUTY PORTABLE SODA BLASTER OPERATOR S BOOKLET ...

Page 2: ... PS where your air supply line goes into the Model 2 PS 7 Set your final blasting pressure on the Model 2 PS adjustable pressure regulator by gently pulling up on the black knob You should hear a slight click There are arrows on top of the knob indicating which way to turn to increase or decrease the pressure Watch the pressure gauge on the Model 2 PS and turn the knob to adjust the pressure When ...

Page 3: ...they do not have a hole tear in them If one of the tubes has failed replace with the proper control box tubes DO NOT use any other type of tube The tubes are a special rubber composition for maximum tube life and machine performance 4 If you are getting a lot of water in the bowl of the adjustable pressure regulator you are probably getting water in the tank Moisture is the main cause of clogging ...

Page 4: ...sting several brands to determine which one works best with our units In extreme conditions an air chiller may be necessary Always keep the soda blast delivery hose as straight as possible while using our portable soda blasters Do not operate your unit with the hose coiled or with sharp radius curves The soda blast media will wear away the hose from the inside causing premature hose failure The me...

Page 5: ...7 1 34 2 52 3 32 1 8 5 32 3 16 PSI 7 64 RESTRICTOR 90 32 58 93 1 39 2 98 80 29 55 92 1 33 2 40 60 27 53 90 1 26 1 94 40 26 50 88 1 21 1 86 3 32 1 8 5 32 3 16 PSI 3 32 RESTRICTOR 90 29 53 84 1 26 2 24 80 26 50 82 1 21 1 80 60 25 47 80 1 12 1 45 40 23 45 79 1 09 1 25 3 32 1 8 5 32 3 16 NOTES FIGURES USED ARE BASED ON OUR TEST DATA ACTUAL RESULTS WILL VARY CFM REQUIREMENTS BASED ON DELIVERED CFM TO U...

Page 6: ...art Up Instructions Section 4 0 Operating Procedures 4 1 Safe Use Instructions 4 2 Loading Soda Blast Media 4 3 Operation Section 5 0 Maintenance and Troubleshooting Guide 5 1 Blast Nozzle Replacement 5 2 Water Spray Nozzle Replacement 5 3 Restrictor Replacement 5 4 Troubleshooting Guide Section 6 0 Servicing the Soda Blast Unit 6 1 Servicing the Model 2 PS 6 2 Service and Adjustment of the Contro...

Page 7: ...a Information about the soda blast material to be used in this machine should be included on the material data safety sheet provided by the supplier of the product Read the MSDS carefully Follow all Safe Use Instructions and other directions and procedures provided in the MSDS 2 0 The Heavy Duty Portable Dry Soda Blaster Model 2 PS The Model 2 PS is a pressure driven abrasive blast system that is ...

Page 8: ...trol of Finish Tall Vertical Tank Design Better Media Flow Remote Blast Control Automatic Shut off if Handle Pressure is Released Control at Nozzle Handle System Shuts Off at the Tank Blast Hood with Bump Cap included Added Safety Protection for the Operator Contains Features Usually Available Only on More Expensive Models 2 2 Site Requirements Several factors are considered essential when determi...

Page 9: ...dia Capacity 100 Lbs Dry Blast 3 0 Assembly To assemble the Model 2 PS simply connect and tighten the 1 2 NPT pipe union at the top of the unit with a pipe wrench or channel lock Make sure the union is secure 3 1 Start Up Instructions Connect the Model 2 PS to a source of clean dry compressed air capable of delivering a minimum of 80 PSI at 18 CFM The compressor must produce sufficient air pressur...

Page 10: ...0 90psi Optional Verify that the System is Operational Once the system is fully assembled check to make sure it is operational and ready to use 1 Make sure that the pressure vessel vent valve is closed 2 Place the Air Safety Lockout Valve open next to regulator Up position ...

Page 11: ...orrect or does not stop see Trouble Shooting Section 4 0 Operating Procedures 4 1 Safe Use Instructions Before operating the Model 2 PS read and understand the Operator s Booklet and the Material Safety Data Sheet for the Soda Blast Media used in this unit If an operator cannot read or is a poor reader a qualified person must explain equipment manuals and all warning labels making sure that the op...

Page 12: ...ape down or prevent free movement of the blast gun hand lever switch 12 Inspect all hoses and safety equipment for damage or wear prior to starting the cleaning operation 13 Always be sure to have grounding cables on the blast equipment if blast operations are in areas where volatile fumes exist 14 Wear appropriate filtered mask while loading and unloading soda 4 2 Loading Soda Blast Media Before ...

Page 13: ... COMPRESSED AIR TO THE UNIT 2 Vent the pressurized air from the delivery unit using the vessel valve located on the top of the pressure vessel unit Turn valve slowly earplugs recommended releasing air pressure 3 CHECK TO MAKE SURE SYSTEM IS TOTALLY DEPRESSURIZED 4 CAREFULLY remove safety cap from pressure vessel media inlet fitting MAKING SURE ALL AIR IS DELETED FROM VESSEL ...

Page 14: ... COULD CAUSE PERSONAL INJURY 7 Remove funnel and REPLACE SAFTEY CAP onto the pressure vessel media inlet fitting Making sure it is tightly secured 8 Shut ball valve on vacuum inlet by turning 90 degrees from inlet closed 9 Turn on air supply 10 Remove shutout lock from Air Safety valve Move Air Safety valve to on position up 4 3 Operation This section covers the safe operation of the Model 2 PS 1 ...

Page 15: ...c application Match the amount of pressure control unit restrictor and nozzle to the size and type of surface to be cleaned Doing so will ensure the best possible finish cleaning speed and cost efficiency For rich media flow corresponding to gross type cleaning use large nozzle and large restrictor Optional nozzles and restrictors are available in several sizes For leaner media flow corresponding ...

Page 16: ...ent 1 Turn off the safety lockout air valve located at the front of the pressure vessel and lock it out sideway position 2 TURN OFF THE SOURCE OF COMPRESSED AIR TO THE UNIT 3 Disconnect unit from compressed air source 4 Vent the pressurized air from the delivery unit using the vessel valve located on the top of the pressure vessel unit Turn valve slowly earplugs recommended releasing air pressure ...

Page 17: ...e Remove the first three 3 2 Velcro straps from the handle noting the position for replacing 6 Bend blast hose and slip the water spray nozzle disc assembly off the end of blast nozzle 7 Unscrew the blast nozzle hold down nut making sure not to loose or displace washer ...

Page 18: ...n nut 9 Replace nozzle Reverse process to re assemble 5 2 Water Spray Nozzle Replacement 1 Turn off the safety lockout air valve located at the front of the pressure vessel and lock it out sideway position 2 TURN OFF THE SOURCE OF COMPRESSED AIR TO THE UNIT 3 Disconnect unit from compressed air source ...

Page 19: ...Lay nozzle handle on work surface Use a 1 2 wrench and a 7 16 wrench to loosen the water spray nozzle tip Note the position and alignment of the tip This is important to ensure the correct water spray pattern 6 Replace water spray nozzle tip using small amount of pipe dope Make sure not to get pipe dope into the I D of the nozzle tip Tighten nozzle into fitting and nozzle disc Align nozzle to make...

Page 20: ... the pressurized air from the delivery unit using the vessel valve located on the top of the pressure vessel unit Turn valve slowly earplugs recommended releasing air pressure CHECK TO MAKE SURE SYSTEM IS TOTALLY DEPRESSURIZED DISCONNECT UNIT FROM COMPRESSED AIR SUPPLY 3 Using a medium sized pipe wrench loosen the union pipefitting that attaches the control unit to the bottom of the pressure vesse...

Page 21: ...he pressure vessel place a small container under the pressure vessel to catch any remaining soda 5 Tip the control unit upside down to empty any soda that may still be in the inlet fitting With a pair of needle nose pliers remove the factory installed 1 8 restrictor noting the orientation 6 Replace restrictor Reverse steps to reconnect control unit to bottom of the pressure vessel ...

Page 22: ...or replace valve No soda at nozzle No soda Add soda to pressure vessel Soda contaminated Check for foreign matter or clumped soda Air line hook up Check compressor air line and power Safety lock out off Turn safety lock out handle to on position Hand lever not depressed Check for obstruction under lever Regulator setting Adjust regulator setting Cylinder on control unit not working Check red and b...

Page 23: ... sprayed at a 45 degree angle Low pressure Check regulator setting or settings on compressor Too many other tools operating off of compressor Low CFM Check regulator and compressor rating Nozzle or restrictor size Switch to larger size nozzle and or restrictor Soda air not shutting completely off Nozzle handle not working Check for obstructions Handle not fully returned to off position Control uni...

Page 24: ...UNIT 2 Vent the pressurized air from the delivery unit using the vessel valve located on the top of the pressure vessel unit Turn valve slowly earplugs recommended releasing air pressure 3 CHECK TO MAKE SURE SYSTEM IS TOTALLY DEPRESSURIZED DISCONNECT UNIT FROM COMPRESSED AIR SUPPLY Inspect all components hoses nozzles etc for wear and damage Replace as required Inspect all controls tubing hand ope...

Page 25: ...PRING IS UNDER GREAT COMPRESSION EXPOSED MOVING COMPONENTS PRESENT PINCH HAZARD To adjust the control unit while blasting use a socket wrench with a 2 extension and a 9 16 socket 1 Turn the two 2 adjusting bolt heads above and below control unit air cylinder on back of control unit clockwise MAKING SURE TO TURN EACH BOLT ONE 1 TURN AND THEN THE OTHER SO AS TO ADJUST THEM EVENLY IT IS CRITICAL THAT...

Page 26: ...service the control unit 1 Turn off the safety lockout air valve located at the front of the pressure vessel and lock it out sideway position TURN OFF THE SOURCE OF COMPRESSED AIR TO THE UNIT 2 Vent the pressurized air from the delivery unit using the vessel valve located on the top of the pressure vessel unit Turn valve slowly earplugs recommended releasing air pressure CHECK TO MAKE SURE SYSTEM ...

Page 27: ...der the control unit so as to not let it drop completely unscrew the union allowing the control unit to separate from the pressure vessel place a small container under the pressure vessel to catch any remaining soda 5 Tip the control unit upside down to empty any soda that may still be in the inlet fitting With a pair of needle nose pliers remove the factory installed 1 8 restrictor and place it i...

Page 28: ...lace a small piece of tape over the ends so as not to get dirt or debris into tube or cylinder 7 Disconnect the large air supply hose top of control unit by loosening hose clamp slide clamp up onto hose 8 Disconnect the large blast nozzle feed hose bottom of control unit by loosening hose clamp slide clamp up onto hose ...

Page 29: ...and 9 16 socket carefully loosen the two 2 controller adjustment bolts back of control unit above and below the air cylinder until both bolts are completely loose Set bolts and washer aside noting placement TURN EACH ADJUSMENT BOLT EQUALLY COUNTER CLOCKWISE MAKING SURE TO TURN EACH BOLT ONE 1 TURN AND THEN THE OTHER SO AS TO LOOSEN THEM EVENLY THIS IS MOST CRITICAL FAILURE TO LOOSEN EQUALLY WILL D...

Page 30: ...ustment of Control Unit Cont 11 Remove the spring plate and spring 12 Loosen the air cylinder shaft nut that holds the pincher plate with a 3 4 open end wrench Set aside pincher plate and nut noting placement in assembly ...

Page 31: ...peat for other tube Note picture shown without cylinder assembly for better viewing DO NOT remove cylinder assembly 14 Check the control tubes for wear damage or foreign material that may stop them from being pinched completely closed at the center A small round nylon bristle brush or pipe cleaner can be used to clean the inside of the tubes REPLACE IF NECESSARY Note control tubes will need to be ...

Page 32: ...LTS ARE ON THE SIDE CLOSEST TO THE CENTER OF HOUSING Repeat for other control tube Slide clamps to end of each tube and tighten securely with 5 16 socket wrench with extension Note picture shown without cylinder assembly for better viewing DO NOT remove cylinder assembly 16 Slide pincher plate onto cylinder shaft and attach with the shaft nut making sure pincher bars are directly centered over the...

Page 33: ...plate recess area is to be against spring make sure spring is centered in recess areas on both plates 18 Tighten the adjustment bolts evenly MAKE SURE TO TURN EACH BOLT ONE 1 TURN AND THEN THE OTHER SO AS TO ADJUST THEM EVENLY IT IS CRITICAL THAT THEY ARE ADJUSTED EQUALLY FAILURE TO ADJUST EQUALLY WILL DAMAGE THE CONTROL UNIT Turn the bolts equally until the end of each bolt is 1 from the surface ...

Page 34: ...ashers against bolt heads WARNING NEVER OPERATE OR ADJUST THE CONTROL UNIT WITH THE CONTROL UNIT COVER OFF CONTROL TUBES ARE UNDER PRESSURE AND THE CONTROLLER SPRING IS UNDER GREAT COMPRESSION EXPOSED MOVING COMPONENTS PRESENT A PINCH HAZARD 20 Place the desired sized restrictor into the control inlet ...

Page 35: ... Control Unit Cont 21 Attach control unit to the bottom of the pressure vessel MAKE SURE THAT THE UNION THREADS ARE FREE OF SODA AND SEATED COMPLETELY 22 Reconnect all air feed and blast hoses to the proper fittings Tighten clamps ...

Page 36: ... 3 8 I D X 4 75 CONTROL BOX EA 201246 A CONTROL BOX ASSEMBLY COMPLETE EA 201242 A WHEELS 2 AXLES 2 NUTS WASHERS 4 SET 448849 NOZZLE CERAMIC 3 32 ID LRG EA 448857 NOZZLE CERAMIC 1 8 ID LRG STANDARD EA 448851 NOZZLE CERAMIC 5 32 ID LRG EA 448848 NOZZLE CERAMIC 3 16 ID LRG EA 448847 NOZZLE CERAMIC 1 4 ID LRG EA 410106 RESTRICTOR 1 8 STANDARD EA 410108 RESTRICTOR 7 64 EA 410112 RESTRICTOR 3 32 EA 2012...

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