Gemini Semi Appendix Manual - 第129页
TECHNICAL REFERENCE APPENDIX PREVENTATIVE MAINTENANCE Chapter Issue 1 Feb 15 Appendix to Micron Technical Manuals 3.91 SEMI Level Chase T ick Inspect the condition of wir ing /pneumatic connections. Clean and lubricate w…

TECHNICAL REFERENCE APPENDIX
PREVENTATIVE MAINTENANCE
3.90 Appendix to Micron Technical Manuals Chapter Issue 1 Feb 15
Monthly Hardware Check
SEMI Level Machine Safety Tick
The Factory supply must be isolated and locked out before an examination of the
mains input lead can be carried out.
Examine the condition of the mains input lead.
Check all earth leads and bonding points are connected.
Check operation of the cover interlock.
Check operation of the Emergency Machine Off button.
Toggle all beacon lights.
SEMI 1
SEMI 2
SEMI Level Pneumatics Tick
Check air pressure switch is set to 3 bar.
Check the air inlet regulator is set to 4.5 bar.
Check pipes for air leaks.
Check and empty the air line water trap.
SEMI 1
SEMI Level Screen Change Tick
Remove and clean the auto drip tray.
Fully extend the auto drip tray telescopic plungers and clean.
Clean the screen stop actuator arm lever.
Clean the screen at stop sensor.
Refit the auto drip tray and check operation of the screen change mechanism.
SEMI 1
SEMI 2

TECHNICAL REFERENCE APPENDIX
PREVENTATIVE MAINTENANCE
Chapter Issue 1 Feb 15 Appendix to Micron Technical Manuals 3.91
SEMI Level Chase Tick
Inspect the condition of wiring/pneumatic connections.
Clean and lubricate with light oil, the omni track bearings and the underside of the track
plates.
Clean the left and right screen at centre optos.
Clean the stencil guide strips of debris/paste.
Remove the ASM pneumatic cylinder covers.
Ensure ASM cable assembly is seated correctly around all pulleys.
Loosen cable retainer bracket securing screws. Adjust position of bracket to eliminate
any cable slack.
Ensure all screen clamps are at their home position. Tighten retainer bracket securing
screws.
Refit ASM pneumatic cylinder covers.
Check operation of the chase clamps.
Check operation of the ASM.
SEMI 1
SEMI 2
Estimated time required for Monthly tasks 4.0 hours
Summary/Remarks
Signed: Date:

TECHNICAL REFERENCE APPENDIX
PREVENTATIVE MAINTENANCE
3.92 Appendix to Micron Technical Manuals Chapter Issue 1 Feb 15
Month August Maintenance Procedure
WARNING
BOARD CLAMPS. EXTREME CARE MUST BE EXERCISED WHEN WORKING IN
THE TOOLING AREA OF THE MACHINE TO AVOID INJURY. THE FOILS ON THE
FRONT AND REAR BOARD CLAMPS ARE VERY SHARP.
WARNING
HARMFUL SUBSTANCES. CLEANING WIPES AND CLEANING SOLUTIONS MAY
CONTAIN SUBSTANCES HAZARDOUS TO HEALTH. OBSERVE ALL
MANUFACTURERS’ HEALTH AND SAFETY GUIDELINES. ALWAYS WEAR
APPROVED PROTECTIVE CLOTHING WHEN CLEANING THE MACHINE.
SPC Alignment
Check and Machine
Cycle Count
Fill out details: SPC Alignment Check and Machine Cycle Count at the start of
this section.
Software
Monthly Maintenance
SEMI Level Software Check Record Tick
Check the date and time settings.
Check the software loaded and options.
Check the software version is the latest issue.
SEMI 2
SEMI Level View Event Log Tick
Check for initialisation errors.
Check for screen position errors (31210, 31211, 31212).
Check for camera errors (31207, 31208).
SEMI 2
SEMI Level Under Screen Cleaner (USC) Tick
Check the condition of the squeegee blades (Blue).
NOTE
ASM recommend squeegee blades are replaced every six months.
Check the screen cleaner height.
Check the condition of all hoses and connections.
SEMI 1