PS288_OwnersMnl_PriorTo2009 - 第136页
PS288 Owner’s Manual 5—1 Chapter 5 5 Maintenance Perform the maintenance procedures de scribed in this chapter to opti mize uninterrupted operation of yo ur PS288 and to minimize operational malfunc- tions. Refer to the …

System Theory • Laser Marking System
PS288 Owner’s Manual 4—11
• Only one of the marking positions is used. Because the tape output sys-
tem is attached to the Option Bay that houses the laser marking system,
both marking positions cannot be effectively used.
• A shutter system covers the device before the laser is activated. This
blocks any direct or stray laser radiation from harming personnel or
equipment. Safety interlocks on the laser shutter prevent the laser from
being activated while the shutter is still in the open position.
WARNING: Blindness hazard! Always wear eye protection when
the laser safety shields are open, such as during service. Direct or
diffuse laser radiation can damage eyes. Goggles must block
10.6 µm laser radiation. Goggles protect against scattered energy
but not against direct viewing of the laser beam or reflections
from metallic surfaces.
WARNING: Serious burn hazard! Direct or diffuse laser radia-
tion can cause serious burns. Keep hands and other parts of the
body out of the path of the laser bean when servicing.
A fume extractor removes toxic fumes and particulate matter from the mark-
ing area. It is automatically switched on when using the laser marking stage
and should never be bypassed.
WARNING: Laser marking generates vapors, fumes, and parti-
cles that may be noxious, toxic, or even fatal. The fume extractor
is required for use with the laser marking option and must not be
disabled. Analysis of filter contents obtained following marking a
representative variety of devices has revealed a sufficient level of
hazardous materials, such as antimony and other heavy metals, to
require that the filter be treated as hazardous waste. Filters must
be disposed of in accordance with government hazardous waste
regulations.

PS288 Owner’s Manual 5—1
Chapter
5
5 Maintenance
Perform the maintenance procedures described in this chapter to optimize
uninterrupted operation of your PS288 and to minimize operational malfunc-
tions. Refer to the manuals that came with your system options for additional
maintenance procedures.
NOTE: Only individuals trained on these procedures by Data I/O
or its representatives are qualified to perform maintenance on the
PS288.
Preventive
Maintenance
This section describes the preventive maintenance schedule for the PS288.
WARNING: Blindness hazard! Always wear eye protection when
the laser safety shields are open, such as during service. Direct or
diffuse laser radiation can damage eyes. Goggles must block
10.6 µm, laser radiation. Goggles are designed to protect against
scattered energy, but not against direct viewing of the laser beam
or reflections from other surfaces.
WARNING: Serious burn hazard! Enclose the laser beam path
during service. Direct or diffuse laser radiation can seriously
burn.
WARNING: Electrocution hazard! Turn off the main power
switch before removing any panels. Servicing the PS288 involves
a significant risk of electric shock.
WARNING: The high speed and force behind a moving gantry
can cause serious bodily injury to anyone working inside the work
envelope. Moving the PNP head must be the responsibility of only
one qualified individual. All other personnel near the system must
stay clear of the work envelope while the gantry is moving.

Maintenance • Preventive Maintenance
5—2 PS288 Owner’s Manual
The information in this section is organized as follows:
• Interval Table on page 5-2
• Materials on page 5-3
• Procedures Performed Every Day on page 5-4
• Procedures Performed Every Week on page 5-4
• Procedures Performed Every Month on page 5-5
• Procedures Performed Every Three Months on page 5-12
• Procedures Performed Every Six Months on page 5-15
• Procedures Performed Once a Year on page 5-23
Interval Table
The recommended intervals in the table below are based on the system pro-
cessing 100,000 devices per month. Information about these procedures and
intervals can be found on the pages referenced in the Page column.
Interval Component Action Page
Every
Day
Sockets Clean with dry compressed air. Check for wear;
replace if necessary.
5-4
Input air pressure Verify input air pressure is 620-827 kiloPascals
(90-120 PSI).
1-2
Every
Week
General system Clean tops of modules, especially the clamp area, and
all areas in work envelope with a clean brush or dry
compressed air.
5-4
Vision camera lens Clean with dry compressed air, lens cleaning tissue,
and isopropyl alcohol.
5-4
Device probe tip on PNP head, on
tape output PNP head (if installed),
and on shuttle pedestals (if
installed)
Clean and inspect tips to make certain they can create
a good vacuum seal on the device. Replace if probe
tip is worn, cut, or damaged.
5-4
Automatic tray feeder (if installed) Check feeder and conveyor belts. Clean; replace if
necessary.
5-5
Every
Month
Input air filter Check; clean and replace if necessary. Drain excess
fluid.
5-5
Shuttle assembly Clean shuttle assembly. 5-5
Shuttle assembly Adjust tension on shuttle belt. 5-6
Laser housing Clean housing to remove laser marking dust. 5-7
Laser marker fume extractor Replace the pre-filter if marking regularly. 5-8
Laser marker shuttle assembly Clean. 5-9
PNP head vacuum filter and silencer Check; replace if necessary. 5-11
Automatic tray feeder (if installed) Clean system. Check pinch roller; replace if
necessary.
5-12