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TECHNICAL REFERENCE APPENDIX PREVENTIVE MAINTENANCE Chapter Issue 1 June 15 Appendix to Micron Technical Manuals 3.57 Daily Maintenance W ARN ING HARMFUL SUBST ANCES. CLEANING WIPES AND CLEANING SOLUTIONS MA Y CONT AIN S…

TECHNICAL REFERENCE APPENDIX

PREVENTIVE MAINTENANCE

3.56 Appendix to Micron Technical Manuals Chapter Issue 1 June 15

Summary of the Programme

The PM Plan

Daily This maintenance schedule is a recommended programme which should be

carried out on a daily basis. Tasks are generally limited to surface cleaning and

minor inspections and should take no more than fifteen minutes to complete.

Monthly This maintenance schedule is a recommended programme which should be

carried out on a month by month basis. It comprises two modules that are

designed to take approximately 2 hours each to complete.

In the first module, SPC Alignment, Machine Cycle Count, Software Checks and

a standard Monthly Maintenance Check make up the elements.

NOTE

SPC Alignment is included in the QC Calc Software package which is an

optional measurement tool.

The second element comprises the Monthly Hardware Check, each month one

or more hardware modules are scheduled for maintenance. Over a twelve

month period all machine modules are checked and serviced at least once.

Each monthly schedule, January through to December is the same no matter

where the machine resides. ASM service engineers already have maintenance

history on which modules have been serviced and those that are in need of

service. If an error occurs the precise service history is known and this could

prove useful in tracking a fault condition.

Daily Schedule

Approximately 15 Minutes

Approximately 4Hours

SPCAlignment Check

(where available)

2Hours

Software Check

Monthly Maintenance Check

Machine CycleCount

2Hours

Monthly Hardware Check

Monthly Schedule

TECHNICAL REFERENCE APPENDIX

PREVENTIVE MAINTENANCE

Chapter Issue 1 June 15 Appendix to Micron Technical Manuals 3.57

Daily Maintenance

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.

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.

Preparation The machine must be isolated from electrical power and air pressure. Remove

the stencil if fitted.

General

SEMI Level No Task Tools Completed Reference Figure

1 Inspect the following linear bearings

for contamination:

a. Camera Carriage

b. Paste Dispenser

c. Print Carriage

d. Rising Table

e. Transport Rails

NOTE

Refer to Cleaning and Lubrication -

Linear Bearings and Guide Rails, ear-

lier in the chapter.

Spatula, THK

AFB Grease

Camera System

Paste Dispenser

Print Carriage

Rising Table

Rail System

2 Inspect the following ballscrews for

contamination:

a. Rising Table

b. Transport Rails

NOTE

Refer to Cleaning and Lubrication -

Rising Table and Transport Rail

Ballscrews, earlier in the chapter.

Spatula, THK

AFB Grease

Rising Table

Rail System

3 Paste Dispenser:

Remove any debris and clean the drip

tray.

Spatula,

IPA Impreg-

nated Wipes

Paste Dispenser

4 Screen Change Mechanism:

a. Auto Drip Tray

b. Auto Drip Tray Actuator Pistons

Remove any debris and clean.

Spatula,

IPA Impreg-

nated Wipes

Screen Change Mechanism

5 Adjustable Screen Mount (ASM):

a. ASM Assembly

b. Pulley Assemblies

c. Stencil Guide Strips

Remove any debris and clean.

Spatula,

IPA Impreg-

nated Wipes

Adjustable Screen Mount

(ASM)

SEMI 1

TECHNICAL REFERENCE APPENDIX

PREVENTIVE MAINTENANCE

3.58 Appendix to Micron Technical Manuals Chapter Issue 1 June 15

6 Camera:

a. Up and down camera lens

b. Board at stop opto

Remove any debris and clean.

Spatula,

IPA Impreg-

nated Wipes

Board Opto Locations

7 Underscreen Cleaner:

a. Linear Bearings

b. Magnet Assemblies

Remove any debris and clean.

Spatula,

IPA Impreg-

nated Wipes

Underscreen Cleaner

8 Board Optos:

Clean the top of the board at left,

board at right, left auxiliary conveyor

and the right auxiliary conveyor sen-

sors.

Spatula,

IPA Impreg-

nated Wipes

Board Opto Locations

9 Tooling:

Remove any debris and clean.

Spatula,

IPA Impreg-

nated Wipes

Rising Table

10 Rising Table:

a. Manual tooling plate of the rising

table

b. Clatter bars

Remove any debris and clean.

Spatula,

IPA Impreg-

nated Wipes

Lint-free cloth

Rising Table

Rail System

11 Machine Covers:

Remove any debris and clean.

NOTE

1. Use only soap and water on the

machine viewing panels.

2. If the front left hand corner panel

has been removed for cleaning,

carry out an EMO functional check

on completion of the daily mainte-

nance.

Spatula,

IPA Impreg-

nated Wipes

Machine Covers

Estimated time required for daily tasks 15.0 mins

SEMI Level No Task Tools Completed Reference Figure

SEMI 1