Printer 710_810 v8 Adjustable Screen Mount.pdf - 第8页
ADJUSTA BLE SCREE N MOUNT (ASM) ADJUS TMENT S AND SETTI NGS 12.8 Technical Reference Manual Chapter Issue 7 Oct 06 Auto Screen Loader Screen Position Sensor 1. Position a scr een in the machine s o the rear scr een frame…
ADJUSTABLE SCREEN MOUNT (ASM)
ADJUSTMENTS AND SETTINGS
Chapter Issue 7 Oct 06 Technical Reference Manual 12.7
The centre justified image scale, marked on the side of the screen depth
adjuster, can only be used for centre justified stencils. When using this scale
the screen depth adjuster is set to the board width value. The scale has both
imperial and metric units as follows:
• Metric - 0mm to 508mm
• Imperial - 0” to 20”
To set the screen depth adjuster, use the following procedure:
1. Release the locking adjustment knob by turning it anti-clockwise.
2. Set the measurement guide to either:
a. The rear of stencil to front of image value, on the top scale, for either
centre or front justified stencils.
or
b. The board width value, on the centre justified image size scale, for centre
justified stencils only.
3. Turn the locking adjustment knob clockwise to secure the measurement
guide.
26”
24”
22”
20”
18”
16”
14”
12”
10”
8”
6”
150
200
250
300
350
400
450
500
550
600
650
Left Hand View on Screen Depth Adjuster
Locking Adjustment Knob
Measurement Guide
End Stop
20”
24”
650
TOFRONTOFIMAGE
REAR OF STENCIL
CENTRE JUSTIFIED IMAGE SIZE
ADJUSTABLE SCREEN MOUNT (ASM)
ADJUSTMENTS AND SETTINGS
12.8 Technical Reference Manual Chapter Issue 7 Oct 06
Auto Screen Loader
Screen Position
Sensor
1. Position a screen in the machine so the rear screen frame is beneath the
screen position sensor.
2. Using a potentiometer trimming tool adjust the sensor sensitivity anti-
clockwise until the sensor test LED extinguishes.
3. Turn the sensor sensitivity clockwise until the sensor test LED illuminates.
4. Turn the sensor sensitivity clockwise a further half turn.
5. Move the rear screen frame backwards and forwards under the sensor to
ensure that the test LED is only activated by the screen frame.
Screen Frame
Screen Position Sensor
Adjuster
Test LED
+
-
+
-
+
-
+
-
Sensor Behind Screen Sensor Over Screen Frame Sensor Over Screen
Test LED Off Test LED On Test LED Off
Screen
Screen Frame
ADJUSTABLE SCREEN MOUNT (ASM)
REPLACEMENT PROCEDURES
Chapter Issue 7 Oct 06 Technical Reference Manual 12.9
REPLACEMENT PROCEDURES
Chase Rail Assembly
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.
WARNING
COMPRESSED AIR. COMPRESSED AIR SHOULD NEVER IMPINGE UPON THE
BODY. PORTS, PIPES, ETC MUST NEVER BE BLOCKED BY HAND. BEFORE
CONNECTING ANY PNEUMATIC EQUIPMENT TO A COMPRESSED AIR SUPPLY,
ALL MOUNTINGS, FITTINGS, PIPEWORK AND ELECTRICAL CONNECTIONS
SHOULD BE REMOVED FOR SAFETY. NO PIPEWORK ALTERATIONS OR
REMOVAL OF FITTINGS SHOULD BE ATTEMPTED WITH AIR SUPPLIES
CONNECTED.
Removal 1. Open the front printhead cover/shutter and centralise the chase rail assem-
blies.
2. Power down the machine and disconnect the pneumatic supply to the
machine.
3. Remove the two web assembly bracket securing screws.
4. Tilt the web bracket forward to expose the pneumatic pipes.