Residual Risks; Cleaning The Equipment - Zhermack CALIFORNIA Manual De Instrucciones

Using the gloves will protect your hands from abrasion and
prevent the electrostatic discharge phenomenon caused by the
sand.
EN
Fig. 14: Set the pressure on the regulator inside the chamber: press the air
foot control (24) and simultaneously pull out and slowly rotate the regulator
knob (21) clockwise until the desired pressure (2÷6 bar), shown on the
gauge (14), is reached.
It is forbidden to operate the foot control with the tanks open.
Fig. 15: Start sandblasting using the handpiece (16) corresponding to the
previously selected tank (selected via the switch).
Fig. 16: Each handpiece has a coloured ring identifying the corresponding
cylinder.
7.3.3 TANK COVER OPENING
California features venting valves on the tank lids to release pressure and
allow the lid itself to be opened quickly by the operator.
Fig. 17: To unscrew the cylinder lid when the equipment is off press the vent
valve for a few seconds to vent any compressed air inside the cylinder; once
the pressure has been released the lid can be removed.
7.3.4 ASSEMBLY OF OPTIONAL ADDITIONAL TANK
Sandblaster features tank interchangeability: depending on their specific
requirements operators can choose the following tanks:
California 3 MODULES
COLOUR TANK
yellow 25 - 70 µm
green 70 - 250 µm
red 25 - 70 µm
California 2 MODULES
COLOUR TANK
green 70 - 250 µm
yellow 25 - 70 µm
red 70 - 250 µm
The optional additional tank (on request, see section 4.3.1)
comes complete with lid, handpiece unit and assembly
instructions. Any tasks carried out by the operator without
attentively following the assembly sequence shown on the
instruction sheet can cause the apparatus to malfunction:
Zhermack cannot be held liable for any malfunction caused by
improper assembly on the part of the user.
7.3.5 ASSEMBLY OF OPTIONAL ADDITIONAL NOZZLES
The operator can replace the short nozzles (supplied) with the following
long nozzles:
Nozzle
Ø 0,8 mm short
Ø 1,3 mm long parabolic
Fig. 18: Unscrew the cap (a) from the handpiece.
Remove, in sequence, the short nozzle (b), the seal and the holder (c) from
the hose.
Fig. 19: insert the new holder for the long nozzle (d) into the hose; insert the
seal in the inner seat of the holder and position the new nozzle (e) inside it.
Finally, screw the cap back onto the handpiece.
7.3.6 CHANGING THE GLASS / LED-HOLDER PROTECTIVE FILM
Before starting a new sandblasting cycle always check the
protective adhesive film on the glass door and LED lighting unit.
Fig. 20: To change the protective adhesive film on the glass door proceed as
follows:
- loosen the fastening knob (as shown in the figure with the arrows);
- gently remove the glass (21) from its seat;
- detach the worn adhesive film and remove it from the glass.
Before positioning the new adhesive film it is recommended
that you thoroughly clean the inner surface of the glass: if
necessary use alcohol and a damp cloth to clean the glass.
The reference figures are present on pages 3, 4, 5, 6, 7 and 8 of this manual.
24
AS STANDARD OPTIONAL*
V -
V -
V -
AS STANDARD OPTIONAL
V -
V -
- V
Aluminium dioxide Glass microspheres
25 - 70 µm 25 - 70 µm
70 - 250 µm 70 - 250 µm
Fig. 21: After cleaning the inner surface of the glass thoroughly, proceed as
follows:
- position the adhesive film on the glass (21) carefully: avoid creating air
bubbles when the film is placed in contact with the glass;
- reposition the glass in its seat and screw the fastening knobs.
Important: to protect the door the adhesive film must be attached to
the inner side of the glass.
It is advisable to attach, applying gentle pressure, the central
part of the film first and then smooth it out towards the edges,
always applying a slight outward pressure (this stops bubbles
forming: if necessary apply the film with the aid of a spatula).
Fig. 22: To change the protective adhesive film on the LED holder proceed
as follows: with the machine switched off, detach the LED lighting unit (20)
from the holder clips: it is best to remove the right clip (a) first and then the
left clip (b).
Fig. 23: Remove the worn protective film and clean the sleeve tube with
a damp cloth and alcohol. Wrap the new adhesive film onto the sleeve
tube carefully, making sure that air bubbles are not created as it is applied;
re-insert the sleeve tube in its seat and reattach the complete unit to the
fixing clips.
For optimal adhesion during film wrapping exert a slight
downward pressure.
7.4

RESIDUAL RISKS

Residual risks are:
• a danger that cannot be totally eliminated through design and the
application of safety devices;
• a potential danger that cannot be highlighted.
Sandblasting equipments are units which generate a variable-pressure
outflow of sand through the fitted nozzles; it therefore follows that the
residual risks are as follows:
• being hit by jets of sand as a result of accidental opening of the glass
hatch;
• work carried out on the equipment interior by unauthorised personnel.
• Before using the sandblasting equipment it is always
advisable to lower the glass hatch.
• In order to prevent accidents, always operate with respect to
that described in this Manual. If in doubt, always contact the
Manufacturer or Authorised After-Sales Centre.
CHAPTER 8: MAINTENANCE
8.1

CLEANING THE EQUIPMENT

Use a dry cloth to clean the equipment exterior. If necessary, dampen the
cloth with a small amount of water or a non-degreasing detergent (see
paragraph 2.4). The operator must ensure that the equipment is kept clean
and free from any foreign bodies such as debris, water, non-conducting
liquids etc. For this purpose cleaning must be performed at the end of every
shift, with the equipment in stable conditions.
Before cleaning the outside of the equipment, always make sure
that the master switch is off. It is prohibited to clean the
equipment when it is connected to the electric power supply
mains.
Eye goggles and a face mask must be worn when using
compressed air for cleaning purposes. Do not allow any persons
near the equipment as they could be hit by flying dust.
Do not use inflammable, corrosive, alkaline or toxic liquids to
clean the equipment.
8.1.1 CLEANING THE INSIDE OF THE SANDBLASTING EQUIPMENT
Carry out the cleaning tasks described below with extreme
caution. Bear in mind the weight and size of the equipment (see
Section 4.2) and, if necessary, carry out the following tasks with
the aid of another worker.
To empty residual sand from the sandblaster proceed as follows:
:
Fig. 24 Remove the closure plug (25); bring the sandblaster onto the edge
of the support top. Remove sand residue by letting it flow out through the
special aperture on the frame; collect the sand in a recipient as it flows out.
For optimal cleaning of the sandblaster interior, use of the SAB
1000 exauster (made by Zhermack) is advised.
california