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Elimination and/or recycling of the used sands (and,
consequently, sandblasting process residues) must be carried
out in compliance with EC directives or according to the laws in
force in the country of use.
If the sandblaster is not used for a prolonged period it is recommended that
you disconnect the apparatus from the electrical power supply.
8.2
ROUTINE MAINTENANCE
Once the equipment has been cleaned (see paragraph 8.1), the operator
must check for worn, damaged or loose parts. If any such situations are
detected, contact the Authorised After-Sales Centre.
If any of the previously-described situations should occur, it is
prohibited to re-start the equipment before the problems have
been solved.
In particular, before moving away from the equipment, the operator
detecting problems of any nature must place a sign on the it indicating
that equipment maintenance is in progress and that use is prohibited
(EC-compliant signs can be purchased from the relevant suppliers). Routine
maintenance, cleaning and correct equipment use are essential factors in
guaranteeing long-lasting equipment performance and safety.
Equipment safety devices/guards must never be removed
except for repair and maintenance purposes.
Such items must be replaced as soon as the situation which
led to their removal no longer exists and in any case before the
equipment is used again.
8.3
EXTRAORDINARY MAINTENANCE
Extraordinary maintenance includes the repair of any accidental breakage
and the replacement of worn or malfunctioning parts.
All electrical and mechanical interventions must only be
performed by a Zhermack-authorised maintenance technician.
Any modification that alters equipment features from a safety
and risk-prevention point of view can only be carried out by the
Manufacturer who will then certify conformity of the equipment
with safety standards. Therefore any modification or
maintenance intervention not considered in this manual is to be
considered prohibited. Any modification, tampering or repair
performed by unauthorised staff along with the use of non-
original spare parts relieve the Manufacturer from any liability. If
the necessary maintenance interventions are not considered in
this Use and Maintenance Manual, contact the Authorised After-
Sales Centre.
8.4
RE-START AFTER LONG PERIOD OF INACTIVITY
If the equipment is re-started after a particularly long period of
inactivity, operate as indicated in Chapter 6 regarding commissioning.
If the equipment functions anomalously, act as described in Chapter
9 regarding "Diagnostics". if the problem should persist or is not
considered, contact the Authorised After-Sales Centre immediately.
8.5
HOW TO REQUEST AFTER-SALES ASSISTANCE
Choose one of the following options to request after-sales assistance:
1. contact the Authorised After-Sales Centre;
2. telephone the Zhermack After-Sales Service at +39 0425 597611 and
proceed as follows: give personal data (e.g. address and telephone
number); state the information given on the equipment identification
plate (see paragraph 3.3); explain the problem with the equipment
clearly;
3. fax all of the information stated in the previous point and the correctly
filled-in identification form (see Attachment 10.2) to the following n° +39
0425 53596.
california
9.1
GENERAL WARNINGS
If any of the anomalies described below should occur, solve the
problem, where allowed, with respect to all instructions
contained in this manual. If the problem persists, contact the
Authorised After-Sales Centre.
9.2
TROUBLESHOOTING
FAULT
The LED lighting fails to come on.
CAUSE
1.
The mains lead is not connected.
2.
LEDs faulty.
REMEDY
1.
CConnect the mains power lead.
2.
Contact an Authorised Assistance Centre only.
FAULT
The apparatus does not respond to the foot control.
CAUSE
1.
No pressure at compressed air connector.
2.
Compressed air lines twisted/choked.
REMEDY
1.
Check the compressed air hoses connected to the
compressor.
2.
Re-install the hose.
FAULT
The flow stop valves do not work.
CAUSE
1.
The pneumatic fitting leaks air.
2.
The sandblasting hose is worn.
3.
Line pressure is too low.
REMEDY
1.
Check that the pneumatic fittings are connected correctly.
2.
Replace the sandblasting hose.
3.
Increase the infeed pressure on the conditioner unit to at
least 5 bar.
FAULT
Low or non-delivery of air and sand.
CAUSE
1.
Nozzle on handpiece is clogged.
2.
Selector switch in intermediate position.
3.
Irregular circuit pressure.
REMEDY
1.
Unscrew nozzle and clean with compressed air.
2.
Turn the selector switch until you hear a gentle "click".
3.
Close with a finger the nozzle for a few seconds to bring
the circuit under pressure.
FAULT
Only air is delivered, no abrasive.
CAUSE
1.
The dosing nozzle in the tank is clogged.
2.
The filters in the tanks are clogged.
3.
Abrasive is impure, damp or of a particle size unsuitable for
the tank.
REMEDY
1/2. Disconnect the machine from the compressed air.
Disconnect the 2 hoses from the cylinder (air inlet, sand
outlet). Remove and empty the sand from the tank. Blow
plenty of air into the 2 hoses until they are unclogged.
Refit the tank and then reconnect the two hoses (air inlet,
sand outlet).
3.
Replace the abrasive: check that the particle size is suitable
for the tank.
FAULT
The apparatus continues sandblasting.
CAUSA
1.
The valve on the foot control switch is faulty.
REMEDY
1.
Replace the foot control switch. Contact an Authorised
Assistance Centre only.
FAULT
The machine does not deliver the sand at pressure.
CAUSE
1.
Pressure loss from tanks.
REMEDY
1.
Screw tank lids on tighter. Clean lid seals with compressed
air. Clean the venting valves above the lids with
compressed air.
The reference figures are present on pages 3, 4, 5, 6, 7 and 8 of this manual.
CHAPTER 9: DIAGNOSTICS
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