M4serviceManual_e - 第30页
2 Periodical Checks 2-6 Fixed Camera Clean half mirror and lens (lens filter). ) ”Camera” in 3 Mechanical Section. Teach Camera Clean lens. ) ”Camera” in 3 Mechanical Section. Scan Camera Clean lens. Clean mirror in fron…

2 Periodical Checks
2-5
Monthly Check
Check the followings once a month.
ITEM DESCRIPTION
CRT
Clean CRT screen with alcohol if dirty.
Floppy Disk Drive
Clean floppy disk drive with conventional cleaning disk.
X-Y Table
Make sure X and Y axes and ball screws do not give unusual noise when traveling
head.
Cable
Make sure screws on cable and cables supports are not loose.
Check cables in cable-support stay.
Connector
Make sure connectors are not loosened.
Air Hose
Check piping and joints. Check air hose for leakage.
X-Y motors
Make sure X and Y motors are not abnormally heated.
Theta Motor
Make sure there are no flaws on timing belt and gear.
Make sure there is no interference when head is rotating.
Make sure head torque is enough.
Z Motor
Move head up and down to make sure movement is smooth.
Push up a nozzle with your finger to check if movement is smooth.
S Motor
Make sure scan head moves smoothly.
Suction
Check negative pressure of all heads. If values of negative pressure are not proper,
clean filters in nozzle shafts. Replace filters of vacuum ejector if dirty.
Conveyor
Check conveyor movement.
Check belt tension.
Make sure conveyor has no flaws, abrasions and obstacles.
Check conveyor for lubrication.
Check movement of auto-width adjustment to maximum and minimum widths.
Check conveyor parallelism and board transfer at entrance and exit.
Stopper
Check for movement and noise.
Make sure there is no components on stopper.
Main Clamp
Check adjust plate for wear and flaw.
Side Clamp
Check for wear and flaw.
Rear Clamp
Check for wear and flaw.
Buffer Stopper
Check for wear and flaw.
ANC Clamp
Check for wear and flaw.

2 Periodical Checks
2-6
Fixed Camera
Clean half mirror and lens (lens filter).
)
”Camera” in 3 Mechanical Section.
Teach Camera
Clean lens.
)
”Camera” in 3 Mechanical Section.
Scan Camera
Clean lens.
Clean mirror in front of camera.
)
”Camera” in 3 Mechanical Section.
Camera Illumination
Check movement and brightness.
Operation Switches
Check if all actuators work properly in the Signal I/O screen.
Check emergency stop switch.
Alarm Beacon
Check if all lamps light.
Make sure it is fixed securely.
Hazard Alarm
Check if alarm sounds.
Warning Alarm
Check if alarm sounds.
Cameras
Execute “VISION TEST” and check result.
Pickup Coordinates
Check feeder banks.
Electrodes on Feeder Bank
Check the condition.
Placement
Make sure components are placed on specified places.

3 Mechanical Section
3-1
3
Mechanical Section