Maintenance (Micron) workbook Iss07.pdf - 第6页

6 Issue 6, Nov 14 Objective A2: Locate the main assemblies of the machine Preparation: Remove front, side and rear Covers Tick off each sub-assembly as your instructor identifies it to you:  Front and rear safety co ver…

Issue 6, Nov 14

Objective A1: Locate the hazardous areas of the machine

Warning

* Moving machine parts can cause injury.

* During this course the machine may be operated with covers

removed.

* Always remove system power prior to undertaking any work on

machine.

* Ensure you DO NOT push or press any buttons or operate the

machine until all personnel are clear of danger.

Personal Safety

Tick each safety item as it is demonstrated to you by your instructor:

Strong Magnet Warning (Machines with Linear Motors only)

The linear motors inside the machine contain*

strong permanent magnets.

These may interfere with pacemakers and metallic implants.*

These magnets could potentially erase data on credit cards,*

ID cards etc.

))

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Board clamps are sharp

Brake is hot

Wear eye protection and gloves when working with solder paste

and solvents.

If in doubt press the E-stop

Do not bypass camsafe switches

ESD Hazard

* The printer contains Electro-Static Sensitive Devices (ESD).

* Do not touch any electronic component of PCB unless wearing

a correctly grounded wrist strap.

Safety Objective

I have been briefed on the above safety aspects and I am fully satised with my

responsibilities..

Sign

Date

6 Issue 6, Nov 14

Objective A2: Locate the main assemblies of the machine

Preparation: Remove front, side and rear Covers

Tick off each sub-assembly as your instructor identifies it to you:

 Front and rear safety covers (observe location of cam safe switch)

 Monitor assembly

 System button and jog buttons

 Tri-Colour beacon

 Chase assembly

 Print carriage

 Squeegee assembly / ProFlow

 Paste dispenser

 Screen load

 Screen alignment actuators

 Rail system

 Camera system

 Rising table

 Mains isolator switch

 Service panel / Circuit breakers

 Under screen cleaner

 Vacuum unit

NOTES:

Issue 6, Nov 14

Task 1: Beacon Indications