196396 Iss 2 Nov 2015 - Semi Appendix Manual - 第118页

PREVENTIVE MAINTENANCE MONTHLY MAINTENANCE Chapter Issue 5, Aug 14 Technical Reference Manual 28.57 Monthly Hardware Check SEMI Level Screen Alignment Tick Inspect the wiring and connections. Inspect the three striker pl…

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PREVENTIVE MAINTENANCE
MONTHLY MAINTENANCE
28.56 Technical Reference Manual Chapter Issue 5, Aug 14
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
Chapter Issue 5, Aug 14 Technical Reference Manual 28.57
Monthly Hardware Check
SEMI Level Screen Alignment Tick
Inspect the wiring and connections.
Inspect the three striker plates, clean and apply a wipe of light grease.
Check all actuators home correctly.
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 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.
PREVENTIVE MAINTENANCE
MONTHLY MAINTENANCE
28.58 Technical Reference Manual Chapter Issue 5, Aug 14
SEMI Level TRS Pull Down Reference Fork Grooves Tick
Inspect for wear, clean and apply a small amount of grease around the fork groove of the
brace assembly forks.
SEMI Level Topside Referencing System Tick
Check the action of the stripper springs, replace if motion is slow or damage is evident.
Replace the z-lock return springs. When refitting, ensure they are intact, not damaged and
not stretched.
Replace the TRA cylinder springs. When refitting, ensure they are intact, not damaged and
not stretched.
Check the electrical and pneumatic looms to the Z-lock, Rail Cap, Reference Cylinders,
TRA cylinders and the Pusher Plate are not damaged. Replace as necessary.
Replace the return springs on the active surround. When refitting, ensure they are intact,
not damaged and not stretched.
Ensure that the interlock pins return against spring pressure, do not stick in the slider.
Replace if necessary.
Rail Cap Bearing Retainers for signs of damage, replace as required.
Rail Cap height above the vacuum chamber.
Estimated time required for Monthly tasks 6.0 hours
Summary/Remarks
Signed: Date: