3.3.2 Door ............................................................................................................................................... 6
9.3 Protection of unintended blasting ............................................................................... 30
9.4 Escape of accelerated blast medium from worn parts ............................................... 30
10 Shipping / handling of goods .................................................................................... 30
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1 Scope of manual
This manual covers set-up, operation and maintenance of the Suction Blast Cabinets Pulsar II.
2 Application and restr ic t ions
Pulsar Suction Cabinets are designed to utilize most blast media < 0,8mm. There are additional requirements as stated below:
TEEL:
− S
Metallic media may require additional modifications, which must be reconfirmed with the manufacturer
−
ALUMINIUM OXIDE:
Aluminium oxide, silico n carbide and g arnet are extre mely aggressiv e blast media that m ay accelerate wear. When using thes e blast media the m ost exposed parts of the cab inet should be equip ped
with wear resistant materials and boron carbide nozzles. (See optional accessories in chapter 7.1).
LASS BEADS:
− G
Most beads are treate d to ensure free flow operat ion even under moderate t o high humidity. Glass
beads subjected to ex cessive moisture may clump and ther efore the compressed air must be dr y
(the use of an after cooler is recommended). They may be reused after thorough drying and breaking
up of the clumps.
INE MESH MEDIA:
− F
When using media finer than 60µm (240 mesh) a special cyclonee is recommended, so that an extreme loss of media can be avoided. The same is valid when using light weight media like plastic or
other organic abrasives (nut-shells, starch).
The cabinets and contro ls are designed for a maximum working pressure of 7bars. Higher work ing pressures only for spec ial designs . Pulsar II cabinets are designed f or discont inuous blasting acti vities (because
of cartridge filter size). A trouble-free operation can only be guaranteed if:
⇒ original parts from Clemco / Zero are used.
⇒ the equipment is compatible and designed according to the operating conditions
⇒ the blast cabinet is operated and maintained according to our instructions.
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No.:
Description
-
Cabinet Pulsar II
1
Lamp
2
Glass window
3
Window gasket
4
Filler strip
5
Valve (door interlock)
6
Valve ( door interlock )
7
Filter with dust container
9
Door opener
10
Suction hose Ø 100mm / 4“
11
Clamp Ø 100mm / 4“
12
E-box Pulsar II
13
Safety stop
14
Push button (green)
15
Push button (rot)
16
Handholerubber
17
Foot pedal
3 General description
Picture 1: Pulsar II Injection blast cabinet
3.1 Dimensions
- Complete unit (cabinet, cyclonee and filter): ca. 960 x 1100 x 1750mm
- Working chamber size (width x depth x height): ca. 910 x 500 x 540/950mm
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3.2 Components
"Pulsar II" – Cabinets consists of following parts:
- Cabinet Pulsar II
- Cyclonee
- Cartridge dust collector
- Control units, air lines and control box assembly
3.3 Cabinet
- Dust insulated cabinet
- Stable metal sheet construction
- White, reflecting colouring inside
- Height adjustable operator can sit or stand during blasting
- Viewing glass (safety glass), 320 x 500mm, inside with Mylar lens
3.3.1 Cabinet lighting
Mounted outside, wear free, 2 x 20 Watt, 230V.
3.3.2 Door
- Door on the right side, dust insulated enclosed
- Measurement: width x height: ca. 450 x 500/900
- Door safety interlock that interrupt blasting if door is opened
3.3.3 Gloves
- Star loo p rubber for simply engage in the cabinet
- Special gloves, abrasion resistant, antistatic, coated inside with material
3.4 Cyclone
- Blast media, dust and debris from the cabinet are drawn into the cyclone for separation. Dust and
fines are first separated from the reusable blast media, which is screened of oversize particles and
later held in the storage hopper for reuse. Dust and debris are then carried into the dust collector
which traps the dust.
- Magnet in the cyclone screen
- Advantage : High blasting performance , continuous result on surface, low media consumption, dust
closed system
3.5 Dust collector cartridge
- With detachable blower top for quick replacing of the cartridges.
- Automatic jet cleaning with caster
- 0,55kW-motor ca. 8m³/min fan capacity
- Filter cartridge:
6
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- Filter area 7m²
- Compound 80% Cellulose – 20% Polyester
- Application category after BIA USGC Test certificate 199823811 / 6210
- Very simple removal of dust from the dust container.
3.6 Operation facilities
- ON/OFF pushbutton for working chamber lighting and cartridge filter / cyclone
- Foot pedal for starting and interrupting the blast process.
- Pilot regulator for adjusting working pressure from 1,5 to 7bar.
3.7 Blow-off nozzle – solid rubber
Nozzle for cleaning blasted parts of dust.
3.8 Control unit and safety devices
− On/Off switch for cabinet lighting and motor
− Safety stop button
− Foot pedal for starting and interrupting the blast process
− Pilot regulator with gauge to adjust working pressure
− Door safety interlock that interrupt blasting if either door is opened
− Timer (J Control Switch) for triggering the automatic clea ning pulse for the dust collector
cartridge
3.9 How the system works
When air supply is on, air enters the system through a moisture separator and is guided to the main pressure
regulator. The working pressure can be adjusted with a pilot regulator.
After pushing start button:
- light will switch on
- magnet valve in e-box starts
- impulse for jet cleaning of filter cartridge is activated
Each tim e the foot pedal is depressed t he compress ed air will be supp lied through the pressure regulator t o
the suction gun and blast media is sucked from the hopper section of the cyclone
Blast media, debris a nd dust drop into the c abinet hopper and ar e drawn into the cyclone. Reusable heavy
blast media is separated through centrifugal force and drops into the cyclone hopper. Dust and fines are
exhausted into the dust co llector cartridge. Bigger dust particles dr op into the dust container and fines are
caught up by the filter cartridge. The filter cartridge is cleaned through a pulse of compressed air.
When the foot pedal is released, the blast process stops.
Therefore the circuit is closed. Door interlocks interrupt the blast process when the cabinet doors are
opened.
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7 bar, install
to air supply) between cabinet a nd air supply as the standard cabinet is
4 Installation
4.1 Requirements
⇒ Closed room with normal working conditions (temperature > 15°C, relative humidity < 85%).
⇒ Solid level site.
⇒ Sufficient space for loading parts
− Behind the cabinet minimum 80cm are necessary for emptying the dust container.
− In front of the cabinet minimum 80cm for the operator.
⇒ Ensure sufficient illumination, even behind the cabinet.
⇒ Electrical service:
− 400V 3-phase, capacity 0,55kW
− 16socket (CEE socket)
⇒ Air requirements see table 1.
orifice [mm] Nozzle
Nr.
Air jet Blast nozzle 3 5,5 7
3,2 6,0 4 0,4 0,6 0,75
4,0 8,0 5 0,6 0,9 1,25
Table 1 Air requirements versus nozzle size and pressure.
Air requirement [m3/min.] at
Working pressure [bar]
4.2 Set-up for initial installation or reinstallation
When shipped, standard cabinets are ready for operation, thus only the following has to be done.
(1) Place the cabinet.
(2) Install an air supply.
See also section 4.1 Requirements.
− Check pressure at compressed air supply. If pressure is >
both an additional pressur e regulator and a pr essure relief valve (adapted
designed for a maximum pressure of 7 bars.
− Attach an air hose with corresponding length and diameter on air supply.
− Carefully open the air su ppl y (hold hose tight) t o b low debris and m oistur e
out of the attached hose.
(3) Install electrical connec-
tion and earth screw.
− Close air-supply.
− Attach air hose on cabinet (coupling on the rear side of the cabinet)
− Adjust pressure regu lator (rear s ide) for the dust collector cartridge cl ean-
ing pulse at 5 bars.
If the plug is not used for the electrical connection or there is no plug, then
the work must be performed by a qualified licensed electrician.
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pushing the emergenc y stop
sure that blast media is really clean, turn on motor (green
On the back-side of the cabinet is an earth screw. The connections have to be done
depending on the local conditions.
Ground wire, possible ground plat es etc, are not part o f the deliver y.
(4) Test without blast media
(for transport damages).
− Close the doors.
− Press the green s witch on t he blac k box . T he light m us t switc h on and th e
motor start.
− Check if motor rotat es in direction of the arrow. If not , reverse polarity of
the electrical connection by a qualified electrician.
− When the light and t he m otor ar e s witche d on (gr een button) , the c lea ning
pulse for the dust collect or cartridge can be heard in regul ar intervals (of
40s).
− Pick up nozzle (gloves) and depress the foot pedal. The blast process
must start (air comes out the nozzle).
− While the foot peda l is depressed, a second person opens first the right
and then the left door . At t h e s ame time the blast process should automatically be interrupted (see door interlock adjustment in figure 3).
− The blast process has to be interrupted by
button.
− If no troubles occur, the ca binet c an be tested with blas t media. O therwise
go to section 6 for trouble-shooting.
(5) Fill in blast media.
− When using clean blast media fill through cyclone access door.
− If it is not
switch) and slowly fill blast media into the cabinet hopper.
− Blast media will be cleaned during suction process.
− To ensure a continuous op eration and to preven t agglom eration of usable
blast media in dust collec tor dur ing suction, t he follo wing m inimum quant ities are required:
⇒Pulsar II 5 litre
(6) Test with blast media
− Close the doors.
− Adjust desired blast pressu re.
− Pick up gun (gloves) and start blasting by depress ing the foot pedal. Di-
rect nozzle to grating.
− During the blast process a second person checks for leaks (dust).
⇒ Doors.
9
Page 10
,
Hose connections between filter and dust container. Tightness
No:
Description
1
Door safety interlock
2
Nut for screw adjusting
3
Actuating screw for safety interlock
4
Door of cabinet
⇒ Suction hose connections between cabinet hopper and cyclone
and between cyclone and dust collector.
⇒
can only be checked during cleaning process.
⇒ Check of safety stop button
If no troubles occur, regular work can begin. /See chapter 4.4)
Picture 2: Door Safety Interlocks.
4.3 Daily set-up
Not necessary if an initial installation or reinstallation was performed.
(1) Daily check-up.
(2) Open air supply.
− Cabinet view window.
− Cyclone.
− Dust container.
− BNP gun parts ( nozzle , gaskets )
(see section 5.2 Daily check list).
(3) Turn on lights and motor (green button).
10
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in your hands
pedal Than the blast process will
„Higher pressure equals higher productivity and lower
t media is very important
WARNING ! If hazardous or toxic materials have been blasted,
4.4 Operation
(1) Load parts to be blasted into the cabinet.
(2) Close the doors.
(3) Adjust the desired blast pressure.
(4) Take blast gun
(wear gloves) and step o n the f oot
be started
− Smooth continuous blasting is more effective than abrupt movements with the nozzle.
− The rule:
costs“ is not valid in every situation. Exceptions are:
⇒ High pressure (> 7 b ar f or spec ia l desi gns ) lea ds to op er a-
tor fatigue (more breaks are necessary).
⇒ High pressur e could lead to premature wear of blast m e-
dia and consequentl y to higher costs or ev en to damages
of the parts.
− Distance between the no zzle and the p art depen ds on a couple of
factors. In man y cases a distance of 100 to 200 mm is the most
effective.
− The correct relation betwee n air and blas
for efficient blasting (see section 4.7.1 Air / blast media mixture).
− Adjust static pressure (see section 4.7.3).
(5) When finished clean parts with blow-off nozzle and remove it from the cabinet.
(6) Regularly empty dust container.
4.5 Shut-down
(1) Turn off motor and lights (red switch) and close air supply.
4.6 Shut down when moving the cabinet
(1) If work is interrup ted for a longer period of time or the cab inet is transport ed at higher air hum idity or at
temperatures below 10 °C, blast media should be removed completely (see section 4.7.4).
(2) Disconnect plug.
− Turn off motor and lights (red switch).
− Carefully open cover of the dust container, take out the dust b ag
and dump contents into a suitable disposal container.
the debris must be specially treated!
(3) Disconnect air supply line.
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Pos. Nr.:
Art. Nr.
description
1
100790
Adjustment knob for metering valve ZERO
2
100791
Counter nut for metering valve
3
100789
body
turn should
4.7 Special procedures
4.7.1 Adjust media and air mixture
We recommend doing the adjustment with 2 people.
Picture 3: metering valve for media – air - mixture
4.7.2 Adjustment of air jet for BNP-gun
(1) mount correc t combination of air jet
and blast nozzle
(2) screw air jet into the gun body.
− see Table.
− A worn blast nozzle influences the correct setting.
− Behind the counter nut about 3,5 to 4 full thread-
be seen (distance „a“ on „picture 4 adjustment of air jet“).
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under
picture 4: adjustment of air jet
orifice [mm]
Air jet Blast nozzle
3,2 6,0
4,0 8,0
4.7.3 Static pressure adjustment
If the static pressur e in th e c abinet is too lo w, visi bilit y durin g blasti ng is po or a nd m edia c leaning ineffective.
If it is too high, th ere is good visibility, bu t also high media consum ption because a lot of usable media is
carried into the dus t collector. Proper pressur e depends on type and si ze of media. Coarser media nee ds
higher, finer media needs lower static pressure.
If there is no experience in s tatic pressure adjustment, the standard sett ings should be modified only after
some hours of blasting. Therefore adjust sliding damper backside the cabinet as follows:
(1) Poor visibility.
Open the sliding dam per 5 m m (incr ease static pres sure, dif ferenc e
to external pressure will decrease).
(2) Usable media in the dust container.
Close the sliding damper 5 mm (static pressure dec reases,
pressure increases, which leads to difficulties in opening the door).
4.7.4 Removing media
(1) Switch motor and lights on (green switch).
(2) Use blow off nozzle at closed doors and blow all media and dust out of all corners in cabinet
(3) Put a drum below the cyclone and open the plastic nut with a 22- flat wrench.
(4) Media flows out of the cyclone, in case of blockage open the man door in the cyclone and push media out
Closed cyclone door
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- Disconnect electrical (red switch) supply und pull
- Disconnect air supply
- Clean all reusable parts
Nr.
Description
1
Filler strip
2
Molding
3
Place for filler strip
4
Cabinet wall (fits into narow slit)
5
Window tool
6
Filler strip
7
Window (fits into the expanded slit)
4.7.5 Dust collector cartridge cleaning / replacement of cartridge
(1) Empty the dust container
the plug, in order to interrupt the backlash pulse
- Unscrew the dust container and empty the content
in the special disposal container
- Attention! If there were blasted hazardous or
insalubrious materials, the dust should b e
disposed as hazardous waste!
(2) Dismounting the filter cartridge
- Take off the fan housing
- Unscrew the screw on the flange of the filter cartridge and take out the filter cartridge.
(3) Mounting the filter cartridge
- Put in a new filter cartridge and fasten
- Put on filter housing and fix with clamps
4.7.6 Window Replacement
- Clean dust drum
Figure 7 Filler strip
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Page 15
(1) Pull the filler strip from the window moulding.
(2) Push the window (fr om the cabinet inside) throug h the door opening from the back to remove from the
front.
(3) Install a new windo w moulding in the window opening. T his m ust be do ne with the filler strip channe l fac-
ing the front of the cabinet.
(4) Install the view window into the slit of the moulding from the front side.
(5) Thread the strip into the inst allat ion to ol a nd pu ll it. At the same time pay attention that the end of the str ip
and the end of the moulding are not overlapped.
4.7.7 Back fitting rubber curtain in case of using abrasive blasting media
(1) Position the rubber curtains to mark the holes in the cabinet wall.
(2) Bore 4,5 mm holes.
(3) Fix the hooks into the holes and hang up rubber curtain.
4.7.8 Back fitting cyclone wear plate in case of using abrasive blast media
(1) Remove cyclone from cabinet.
(2) Remove cyclone inlet pl ate and pip e.
(3) Angle the wear plate into the cyclone inlet until it is in position with the straight end at the cyclone inlet.
(4) Pry the wear plate against the inner wall of the cyclone by using a board.
(5) Install screws into the previously bored holes to fix the wear plate.
4.7.9 Cartridge Pulsing Timing and Pressure
Pressure = 5 bar
Pulsing can also be performed at a pressure > 5 bar, but this results in more wear.
15
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for
Check all couplings and screws for wear or breakage and replace
5 Maintenance
5.1 General
During operation the cabinets are exposed to wear. In order to ensure safe operation and high efficiency the
blast machines should be maintained according to the following check lists. The following check list was
made for a 6 hour full operation. Prior to maintenance, make sure that the air valve of the compressor is closed and the whole system is depressurized!
5.2 Daily Check List
(1) View Window.
(2) Cyclone.
(3) Dust container.
5.3 Weekly Check List
(1) blast gun and nozzle
(2) Moisture separator.
(2) Air hoses and blast hoses.
− Check cover lenses for frosting.
− Replace window glass if it is damaged.
− Clean screen when motor is switched off (several times a day
huge amounts of debris).
− Clean screen magnet.
Empty dust container (several times a day for huge amounts of dust).
Check nozzle gasket and replace if needed
Remove and check the filter element. If necessar y clean filter and sight
glass with soap and warm water and dry it with compressed air. (Important - Use only smooth detergent)
A dirty filter causes loss of pressure in the system!
−
them if necessary.
− Check the blast hose b y hand for soft spots (reduced wal l thickness)
and replace it immediately when soft spots are detected.
− Check air line (air s upp l y) and rep lace it when it is worn.
− Check gaskets of couplings for wear and replace them if necessary.
5.4 Monthly Check List
(1) Cabinet door gasket.
(2) Gloves.
(3) Cartridge.
Check for leaks and wear. Replace if necessary
Check gloves for wear. When using aggressive blast media usuall y mor e
checks are necessary.
The cartridge should be checked or replaced every three months.
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Page 17
6 Trouble-shooting
Problem Probable cause Remedy
(1) Poor visibility.
The motor does not rotate. Check and repair it.
Clocked cartridge.
The motor rotates in the wrong
direction.
Blast media breaks down rapidly
and develops dust.
Blocked suction hose between
cabinet and cyclone.
Negative pressure. The following components should be checked
− Clean cartridge.
− Replace cartridge (see section 4.7.4).
Check if it rotates in the direction of the arrow. If
not reverse polarity of the electrical connection
(only through licensed electrician).
− Check for different blast media more suitable.
− Check for lower working pressure.
Check and if necessary disconnect hose and
remove debris and media.
Warning!The blockage is not the real cause.
for leaks or wear:
(2) Abnormally high
media consumption.
(3) Poor cleaning rate.
− Cyclone door.
− Suction hose connections between cabinet
hopper and cyclone and between cyclone
and dust collector.
− Suction hoses for wear.
− Gasket on filter door.
Incorrectly adjusted static pressure in the cabinet.
Cyclone door open or leaking Check and replace gasket if necessary
Dust drum at filter leaks - Check gasket and replace if necessary
Use of too fine or light media Assembly an optional vortex c ylinder
Incorrectly adjusted metering
Increase static pressure with damper on top of
cabinet (see section 4.7.2).
- check hose between dust drum and filter for
leakage and replace gasket in case
Improve metering (see section 4.7.1).
valve.
Blockage in air hose or gun
− Press nozzle against an elastic item e.g.
17
Page 18
rubber plate and press foot pedal
− Dismantle hose and gun and clean
− Check for reason of blockage
− Missing or filled screen in cyclone
− Wrongly adjusted metering valve
− Too heavy media
Reduced air pressure.
− Check air supply.
− If the pressure indicated on the gauge (black
box) decreases during blasting, the following
components should be checked for wear,
malfunction or contamination:
⇒ Moisture separator.
⇒ Pressure regulator.
⇒ Air lines
Worn nozzle. Check for wear and replace if necessary.
Moist blast media.
Frequent bridging in the metering valve can be
caused by moist blast media. The reasons can
be:
⇒ Cabinet was filled with moist blast
media.
(4) Dust comes out the
blower.
Gun is not correct adjusted
Dust filter gasket defective.
Defective cartridge.
⇒ Humidity from air supply.
⇒ Perspiratio n water through s har p
drop in room temperature.
Depending on cause, the following measures
are necessary:
⇒ Remove moist media.
⇒ Remove cause for humid air supply.
⇒ Make sure, that there is not too
much temperature fluctuation.
− Re-adjust gun
− Remove cartridge (see section 4.7.4).
− Check gasket and replace if necessary.
− Remove cartridge (see section 4.7.4).
18
Page 19
− Check cartridge for cracks or similar damages and replace if necessary.
(5) Static shocks.
(6) No air and no media
come out the gun
(7) Air only (no media)
Cabinet not grounded. Ground cabinet.
Door interlocks are not actuated.
Blocked blast hose.
Adjust over-travel stop and screw of the door
interlocks (see figure 4).
− Turn out nozzle and check for blockage.
− Check blast hose for blockage. .
Warning!The blockage is not the cause.
The cause could be:
⇒ Missing or overfilled screen in the
cyclone.
⇒ Incorrectl y adjuste d m eter ing valve .
⇒ Too heavy blast media.
Blocked moisture separator. Clean moisture separator (see section 5.3).
No blast media in the blast sys-
- refill
comes out the nozzle.
(8) Irregular flow or too
much blast media
comes out of nozzle.
(9) No interruption of
blast process when
foot pedal is released.
tem
Moist media prevents flow.
− Remove moist media.
− Remove cause for humid air supply.
Incorrectly adjusted metering
Adjust new (see section 4.7.1).
valve.
Choke valve not completely
Open choke valve completely.
opened.
Foot pedal valve blocked. Replace valve.
Incorrectly connected air hoses
on the foot pedal.
Connect air hoses correc tl y (see c abinet plumbing).
19
Page 20
7 Replacement parts
7.1 Individual replacement parts for cabinet
20
Page 21
21
Page 22
Picture 5: Individual parts cabinet
22
Page 23
Pos. Part no..
Description
(1) 19574Z Lamp less regulator
11872Z Lamp 0312-0004
(2) 12212Z Glass window 0583-001
(3) 12435Z Gasket 0827-019
(4) 12436Z Filler strip – 0827-011
(5) 15042Z Bushing safety door valve
(6) 12202Z Valve 0569-0395
(7) 100973 Filter Pulsar II
(8) 100978 Cyclone Pulsar II suction
(9) 99585Z Door opener special for BNP cabinets (consisting of 9a
and 9b
(9a) 19728Z Chrome plated latch
(9b) 19730Z Chrome plated strike nose - stop w/screws
(10) 12447Z Suction hose 4“ Ø 100 mm / pro m
(11) 90241Z Clamp 4“ wire. Ø 100 mm
(12) 100977 E-box Pulsar II with following main components
- 100741 Solenoid valve 1/8“
- 100743 Fuse F1 bis F5
- 100735 Modul - Pulsar
- 12434Z Gasket 0827-006
(13) 100742 Safety stop
(14) 100736 Push button green
(15) 100737 Push button red
(16) 100691 Handholerubber
(17) 06266A Foot pedal
(18) 12434Z Gasket 0827-006
(19) 06190Z Mylar lens cabinet (5 pcs)
(20) 12472Z Air hose 0830-049 ½“ per m
(21) 12302Z BNP gun with ceramic nozzle
(22) 13116Z Blow-off nozzle 0348-0022
(23) 12476Z Blast hose PUR ½“ per meter
11799Z Grommet 0236 0026 for blast hose
(24) 100980 Handle Pulsar II
(25) 12710Z Glove left
(26) 12711Z Glove right
100667 Blower wheel KITCAB
100378 Adaptor 4“ (Ø 100 mm)
11776Z Gasket 0235-0297
23
Page 24
7.2 BNP-Injection gun
Picture 6: spare parts BNP- suction gun
Pos. Art. Nr. description
(1) 12302Z Gun including ceramic nozzleNr.5 (8 mm)
(2) 11914Z nut
(3) 11930Z Ceramic nozzle Nr. 5 (8,0 mm)
99643Z Boron carbide nozzle Nr. 4 (6,0 mm)
11935Z Boron carbide nozzle Nr. 5 (8,0 mm)
(4) 12031Z O-Ring
(5) 11802Z Gun body
(6) 11913Z Nut for fixing of air jet
(7) 12097Z Rubber grommet
(8) 12342Z Air jet Nr. 4 (3,2 mm) for blast nozzle 6 mm
12343Z Air jet Nr. 5 (4,0 mm) for blast nozzle 8 mm
(9) 11723Z Union for air hose
(10) 11724Z Union for blast hose
(11) 12472Z Air hose 1/2“ per m
(12) 12476Z Media hose PUR 1/2“ pro m
24
Page 25
7.3 Air distribution
Pos. Art. Nr. Description
(1) 100688 Moisture separator ½“
(2) 100061 Pressure regulator 1/4“ with gauge
(3) 10709D Pilot regulator ½“
(-) 99751Z Gasket for cleaner –( needed 1m)
(7) 01241D Ball valve ½“
(8) 90341D Air hose 9mm (needed 2m)
90084D Clamp 15-17
90899D Coupling 9mm
27
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8 Cabinet wiring 400V, 0,55kW
28
Page 29
29
Page 30
9 Residual hazards and prote ctive agents
9.1 Noise level
The sound level is dependent on blasting parameters.
If it is > 85 dB (A), ear prote c tion has to be worn.
9.2 Dust exposure
When cabinet is closed – dust exposure is < 5mg/m³. I n this case, no supplementary requests have to be
taken.
This statement is valid only if the cabinet is proper maintained. Following checks are to be done:
• Check door gasket and replace it when it’s worn.
• Dump dust container in short intervals.
• Clean cartridge and replace it when it’s worn.
For removing the dust from the blasted parts the cabinet door should be closed, so that no dust can move
out. The doors should remain closed for other 10 sec. For diminishing dust during dumping the dust container please follow chapter 4.7.5.
9.3 Protection of unintended blasting
The probability of unintended blasting was diminished by installing a double safety concept.
The blasting process will be interrupted by valves
• When emergency stop will be pushed
• when the foot – pedal will be released
• when a cabinet door will be opened
To minimize the risk that both of this safety equipping failure at the same time the air supply to the cabinet
should be interrupted before mounting the foot pedal. Cabinet door should be opened only after the rest air is
blown out.
9.4 Escape of accelerated blast medium from worn parts
Blasting causes a high consumption witch can be dangerous.
Therefor the maintained measures from chapter 5 had to be strictly followed.
Especially the blasting hose has to be checked in order to diminish the danger.
10 Shipping / handling of goods
•Cabinets are delivered on pallets which can be transported by fork lift trucks or by elevating platform
trucks.
• Length of forks – 2m otherwise the cabinet has to be fixed supplementary (danger of dumping)
• For lifting the cabinet from the pallet there can be used a fork lift truck or an elevating platform.
• Weight of cabinets: Pulsar II suction ca. 220kg
30
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