196396 Iss 2 Nov 2015 - Semi Appendix Manual - 第99页

PREVENTIVE MAINTENANCE MONTHLY MAINTENANCE 28.38 Technical Reference Manual Chapter Issue 5, Aug 14 Monthly Hardware Check SEMI Level Machine Safety Tick Examine the conditio n of the mains input lead. Check all earth le…

100%1 / 140
PREVENTIVE MAINTENANCE
MONTHLY MAINTENANCE
Chapter Issue 5, Aug 14 Technical Reference Manual 28.37
Monthly Maintenance
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.
Check that the paper feed mechanism operates correctly.
Check that the cleaner mechanism raises and lowers smoothly.
Check that the solvent dispenses and it is at a suitable pressure.
Check that solvent dispenses evenly across the paper or cassette.
Check the correct operation of the vacuum filtration unit.
Perform a USC cycle and confirm correct operation.
SEMI Level Environmental Control Module (if fitted) Tick
Inspect the air filters clean/replace (as detailed in the equipment manual).
Check for leakage in the system.
Check the system holds the temperature (as described in the equipment manual).
SEMI Level General Maintenance Tick
Check the condition of the board clamps.
Clean the table top of paste and debris, apply a wipe of light oil.
Clean the round transport rails of paste and debris.
HTC Flat Belt option - ASM recommend the centre conveyor flat belt is replaced at
monthly intervals.
Inspect the air filters and clean/recommend replacement.
Cycle the board clamps ensure that clamping and release is smooth.
Cycle the Test 265test 1 board on the transport rails ensure smooth operation.
PREVENTIVE MAINTENANCE
MONTHLY MAINTENANCE
28.38 Technical Reference Manual Chapter Issue 5, Aug 14
Monthly Hardware Check
SEMI Level Machine Safety Tick
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 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 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.
PREVENTIVE MAINTENANCE
MONTHLY MAINTENANCE
Chapter Issue 5, Aug 14 Technical Reference Manual 28.39
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.
Estimated time required for Monthly tasks 4.0 hours
Summary/Remarks
Signed: Date: