80S-15贴片机 - 第270页

8 IC Head SIPLACE 80S/F/G Service M anual Edition 01/97 8 - 22 8.5.4 Replace the ’Vacuum Generator ON’ Solenoid V alve See items 1 and 2 in Fig . 8.5.2 page 8 - 2 3 This val ve sw itches th e 5.2 bar compres sed air s up…

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SIPLACE 80S/F/G Service Manual 8 IC Head
Edition 01/97
8 - 21
Fig. 8.5.1 Solenoid valve for z axis clamping device
Key to Fig. 8.5.1
1 Solenoid valve for z axis clamping device: Compressed air supply at 2.3 bar
1
8 IC Head SIPLACE 80S/F/G Service Manual
Edition 01/97
8 - 22
8.5.4 Replace the ’Vacuum Generator ON’ Solenoid Valve
See items 1 and 2 in Fig. 8.5.2 page 8 - 23
This valve switches the 5.2 bar compressed air supply for the vacuum generator.
To disassemble the valve
Loosen the two 2.5 mm hexagon socket head screws that fix the block in place (item 2, Fig. 8.5.2).
Loosen the two slotted screws that fix the solenoid valve in place on the block.
Remove the air hose and the power cable.
To reassemble the valve
Reverse the above sequence to assemble the valve.
PLEASE NOTE
On the underside of the valve, there is a white push-button for manually actuating the valve.
8.5.5 Replace the ’Forced Air ON’ Solenoid Valve
See item 3, Fig. 8.5.2 page 8 - 23
Loosen the two slotted screws that fix the valve in place.
Remove the air hose and the power cable.
Reverse the above sequence to assemble the valve.
The red push-button is used to manually actuate the valve.
8.5.6 Check the Vacuum System
See Fig. 8.5.3 page 8 - 25
A drop in the vacuum generation performance may be caused by one of the following:
The silencer (item 6) is dirty.
The vacuum nozzle (item 4) is dirty.
There is a leak in the pneumatic hose system.
SIPLACE 80S/F/G Service Manual 8 IC Head
Edition 01/97
8 - 23
Fig. 8.5.2 ’Vacuum ON’ and ’Forced air’ solenoid valves
Key to Fig. 8.5.2
1 ’Vacuum ON' solenoid valve
2 Spacer
3 ’Forced air’ solenoid valve
3
2
1