AIRBLAST ABSC-2048 User manual

INSTRUCTION MANUAL
Doc. no. MN1003E Rev. A - Jan 2016
ABSC-2048 Blast Machine - 140 ltr.
Surface Treatment Solutions

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Doc. no. MN1003E
Manufactured by:
Airblast B.V.
P.O. Box 1075
1700 BB Heerhugowaard
The Netherlands
Tel. : + 31 72 5718002
Fax : + 31 72 5714340
Email: [email protected]
Webil: www.airblast.com
Technical data
Capacity : 140 liters
Max. system pressure : 12 bar
Min. system pressure : 5 bar
Max. compressed air temperature : 50° C
Min. compressed air temperature : 5° C
Max. ambient temperature : 50° C
Min. ambient temperature : 5° C
Dimensions (dia. x height) : 486 x 1392 mm
Weight (bare and empty) : 105 kgs.

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Doc. no. MN1003E
INDEX
Page
1.0 INTRODUCTION ABSC-2048 BLAST MACHINE 4
1.1 List of models 4
1.2 Safety instructions 4
2.0 OPERATION SET-UP 5
2.1 Set-up 5
2.2 Operation 5
2.3 Shut-down 5
3.0 MAINTENANCE 6
3.1 Replacement of the pop-up valve 6
3.2 Replacement of the pop-up o-ring 6
4.0 TROUBLESHOOTING 6
4.1 Blockages 6
4.2 Abrasive surge 6
4.3 Removal of moist abrasive 6
4.4 Keep these spares on hand to reduce downtime 6
5.0 DRAWING & PARTS LIST BLAST MACHINE 8
5.1 Abrasive control valves 10
6.0 INTRODUCTION RCV-125 REMOTE CONTROL SYSTEM 11
6.1 Product description 11
6.2 The blasting (on) action 11
6.3 The shut-down (off) action 11
6.4 System reliability 11
7.0 INSTALLATION PROCEDURES 12
7.1 System installation 12
7.2 Field installations 12
8.0 BLASTING OPERATIONS 12
8.1 Start-up 12
8.2 Blasting operation 12
9.0 MAINTENANCE 13
9.1 Valve disassembly 13
9.2 Valve assembly 13
9.3 Maintenance program 13
10.0 TROUBLESHOOTING 14
10.1 Keep these spares on hand to reduce downtime 14
11.0 DRAWING & PARTS LIST RCV-125 REMOTE CONTROL SYSTEM 15
11.1 RCV-125 remote contral valve 15
11.2 DMH-125 deadman handle 15
12.0 AIR REQUIREMENT 16
Warranty

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Doc. no. MN1003E
1.0 - INTRODUCTION BLAST MACHINE
This manual covers the set-up, maintenance of the Model ABSC-2048 pressure type blast machine. Before using
this equipment make sure that the people who operate and maintain this machine, read understand and follow all
instructions in this manual. Store this manual on a safe place for future use, maintenance, troubleshooting and to
order spares.
1.1 - List of models
Part no. Capacity Metering Valves Operation Other options
140 liter FSV Flat Sand Valve GVA-32 Abrasive Metering Valve SGV Steel Grit Valve Micro Valve Manual Operation RCV-125 Remote Control System Clearline Moisure Separator Safety Valve Assembly
1007010 ● ● ●
1007020 ● ● ● ●
1007030 ● ● ●
1007040 ● ● ● ●
1007050 ● ● ● ●
1007060 ● ● ● ● ●
1007310 ● ● ●
1007330 ● ● ●
1008010 ● ● ●
1008020 ● ● ● ●
1008030 ● ● ●
1008040 ● ● ● ●
1008050 ● ● ● ●
1008060 ● ● ● ● ●
1008911 ● ● ●
1008912 ● ● ● ●
1008913 ● ● ●
1008914 ● ● ● ●
1008915 ● ● ● ●
1008916 ● ● ● ● ●
Other congurations are available upon request.
1.2 - Safety instructions
1. Use protective equipment: abrasive-resistant clothing, safety shoes, leather gloves, ear
protection, CE-approved air-fed helmet. Air for helmet must be supplied by a breathing air
compressor or through a helmet air lter.
2. Check for possible silicosis hazards. Avoid dust.
3. Do not blast with damaged or worn equipment.
4. Point nozzle only at area being cleaned.
5. Use only proper dry and well-screened abrasives specically intended blasting.
6. Keep unprotected workers out of the blast area.
7. Before blasting:
- Check ttings and hose for wear.
- Safety-wire couplings together.
- Check helmet lters and air supply.
- Check pop-up valve for alignment.
- Test remote controls.
- Make sure blast machine is adequately grounded.
8. Do not weld on blast machine, this voids approval.
9. Do not substitute Airblast parts or modied equipment in any way.

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Doc. no. MN1003E
2.0 - OPERATION SET-UP
2.1 - Set-up
The set-up procedure for manual controlled blasting (without the use of a remote control system) is as follows:
• Make sure that the compressor is located upwind from the blasting area. Start the compressor and bring it up
to operating pressure and temperature before beginning the blast cleaning operation.
• Open the bleed-off and choke valves (handles in parallel position with piping).
• Close the air inlet valve at the abrasive valve.
Closed valves:
- sand valve : extreme position of handle to either side of the center of the valve.
- grit valve : full clockwise position of the handle.
• Connect the compressed air line to the air inlet valve (for optimum blast cleaning performance use ¾” ID air
line or larger).
• Connect the blast hose quick connect coupling to the machine quick coupling. Check condition and proper
placing of the rubber coupling gaskets.
• Fill the concave head of the machine with abrasive. The abrasive will pass the lling port into the machine.
• Put on all protective clothing.
2.2 - Operation:
To blast clean, the machine tender:
• Puts pressure to the air line of the blast machine.
• Closes the bleed-off valve.
• Opens the air inlet valve, when the blasting operator signals that he is ready. This causes sealing of the lling
port by the pop-up valve and the blast machine will pressurize. Only air will come out of the nozzle.
• Adjusts the abrasive valve for proper air/abrasive mixture. General rule: use as little abrasive as possible. The
abrasive stream coming out of the blast nozzle should hardly discolor the air when seen against whatever light
source.
• Closes the air inlet valve and quickly opens the bleed-off valve to stop blasting.
2.3 - Shut-down
When shutting down for the day: empty the blast machine of all abrasive by removing the nozzle and putting the
blast hose in a suitable waste container. Close the choke valve and put the handle of the abrasive valve in full open
position. Then put pressure to the machine by opening the air inlet valve.
The blast machine should be covered if left out at site, in order to prevent moist abrasive to cause trouble when
starting up blasting again.
ONLY USE ABRASIVE SPECIFICALLY MEANT FOR BLASTING,
NEVER USE UN-SCREENED OR MOIST ABRASIVES

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Doc. no. MN1003E
3.0 - MAINTENANCE
3.1 - Replacement of the pop-up valve
Remove the inspection door assembly in order to get access to the Pop-up valve. Unscrew the Pop-up guide (page
8, item 7) by counter- clockwise turning. Remove both Pop-up valve and guide from the blast machine. Put the new
Pop-up valve in the valve guide and then install them inside of the machine.
It is recommended to replace the inspection door gasket at the same time.
Do not forget to tighten the inspection door assembly back onto the machine.
3.2 - Replacement of the pop-up O-ring
Put your ngers between the Pop-up O-ring and the retainer and slowly remove the old O-ring. If necessary, use a
screwdriver.
Push the new Pop-up O-ring trough the lling port and t it into the retainer.
Pull up on the O-ring in order to get it into position.
4.0 - TROUBLESHOOTING
4.1 - Blockages
If neither abrasives nor air comes out of the blast nozzle, rst depressurize the machine and then check if the nozzle
is clogged. If only air comes out and no abrasive, fully open the abrasive valve and then quickly open and close the
choke valve. If this fails, depressurize the machine, remove the inspection door assembly and check the inside of the
machine for foreign objects (paper, etc.).
4.2 - Abrasive surge
When starting up, surge of abrasive is normal to some extend. However, if the abrasive surge
should continue, the ow of abrasive can usually be stabilized by the quick opening and closing of the choke valve.
An intermittent abrasive ow is sometimes caused by an excess of moisture in the blasting system. This problem in
practice can be solved by installing a moisture/water separator in the air line, closest to the machine as possible.
4.3 - Removal of moist abrasive
In order to remove moist abrasive from the system, the blast hose has to be disconnected and the rubber gasket
in the quick coupling on the machine has to be removed. The next step is to close the choke valve and open the
abrasive valve. Force out any moist abrasive by pressurizing the machine.
4.4 - Keep these spares on hand to reduce downtime
1188000 - P-5 Pop-up o-ring
SEE SEPARATE INSTRUCTION-PARTS LIST FOR REMOTE CONTROL SYSTEMS ON PAGE 15

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Doc. no. MN1003E
NOTES

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Doc. no. MN1003E
5.0 - DRAWING & PARTS LIST BLAST MACHINE
RCV-125 only
RCV-125 and Clearline 1½”
Manual operation
Safety valve

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Doc. no. MN1003E
Item Part no. Description
1 1048000 Inspection door assy
2 1047000 Inspection door gasket
3 1192000 Pop-up O-ring
4 1188000 Pop-up valve with shaft, at
5 1050000 Pipe 1”, M
6 2259600 Elbow, 1¼” - 1”, FF
7 1027000 Inner pipe nipple 1¼”
8 2225600 Hex nipple, 1¼”, MM
9 2191600 Elbow, 1¼”, FM
10 2211600 T-Piece, 1¼”, FFF
11 1193000 Air valve, 1¼”, FF
12 2249600 Union, 1¼”, FM
13 1037001 Pipe nipple 1¼”
14 2193600 Elbow, 1¼”, FF
15 1034000 Pipe nipple 1¼”
16 6080000 Micro Valve, 1¼”
17 1046000 P-31 Pipe nipple 100mm, 1¼”, rubber lined
18 2163000 CFT Coupling, 1¼”
19 2165000 Rubber coupling gasket
20 2275800 Reduction nipple, 1½”- 1¼”, MM
21 4057000 Clearline, 1½”
22 1202000 RCV-125/B remote control
23 2291100 Socket ¾”, FF
24 2291000 Elbow, ¾”, FM
25 2290900 Pipe nipple 100mm, ¾”
26 2290800 Union, ¾”, FM
27 2290700 Elbow, ¾”, FF
28 2290601 Pipe nipple 50mm, ¾”, MM
29 2290500 Reduction ring, ¾” - 1”, FM
30 1210000 Safety valve assembly
30a 4073200 Pressure gauge
30b 4101601 Reduction ring brass, ¼" X ⅛", FM
30c 8200906 Reduction ring brass, ¼" X ½”, FM
30d 4101800 T-piece brass, ½”, FFF
30e 2225300 Hex nipple, ½”
30f 2291800 Reduction ring, 1¼” X ½”, FM
30g 1089900 Safety valve, ½” - 10 BAR
31 1112900 Air valve, ¾”, FF
32 2225400 Hex nipple, ¾”
1056000 Screen for ABSC-2048 (not shown)
1060000 Cover for ABSC-2048 (not shown)

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Doc. no. MN1003E
5.1 - Abrasive control valves
FSV Flat Sand Valve - set-up
Item Part no. Description
12 2249600 Union, 1¼”, MF
16 6001000 FSV Flat sand Valve 1¼”
17 1045000 P-32 Hex nipple, 1¼”, rubber lined, MM
18 2163000 CFT Coupling, 1¼”, F
19 2165000 Rubber coupling gasket
33 2191600 Elbow, 1¼”, FM
34 1046000 P-31 Pipe nipple 100mm, 1¼”, rubber lined, MM
35 1044000 P-8-R Y-piece, 1¼”, rubber lined, FFF
GVA-32 Abrasive Membrane Valve - set-up
Item Part no. Description
8 2225600 Hex nipple, 1¼”, MM
16 6071000 GVA-32 Abrasive Membrane Valve,
17 1045000 P-32 Hex nipple, 1¼”, rubber lined, MM
18 2163000 CFT Coupling, 1¼”, F
19 2165000 Rubber coupling gasket
34 1044100 T-piece, 1¼”, rubber lined, FFF
SGV Grit Valve, 1” - set-up
Item Part no. Description
8 2225600 Hex nipple, 1¼”, MM
16 6062000 SGV Grit Valve, 1”
17 1045000 P-32 Hex nipple, 1¼”, rubber lined, MM
18 2163000 CFT Coupling, 1¼”, F
19 2165000 Rubber coupling gasket
33 2275700 Reduction nipple, 1¼” X 1”, MM
34 6063000 Flange for SGV
35 1044100 T-piece, 1¼”, rubber lined, FFF
Thompson Valve II, 1¼”- set-up
Item Part no. Description
16 6093400 Thompson Valve II, 1¼”, TC
6093500 Thompson Valve II, 1¼”, Urethane
17 1046000 P-31 Pipe nipple 100mm, 1¼”, rubber lined, MM
18 2163000 CFT Coupling, 1¼”, F
19 2165000 Rubber coupling gasket