F5 SERVICE MAUNAL - 第180页
6 PCB Handling SIPLACE 80S-20/F4 Service Manual 6.4 Conveyor Toothed Belts Edition 01/96 6 - 24
SIPLACE 80S-20/F4 Service Manual 6 PCB Handling
Edition 01/96 6.4 Conveyor Toothed Belts
6 - 23
● Carry out the following work on the movable side of the board conveyor:
– On the inside unscrew and remove the two M 2 x 5 slotted head screws of the disk on the hexagonal
shaft (C).
– On the outside unscrew and remove the three M 3 x 5 hexagon socket screws in the flange (D).
● Undo and remove the two M4 hexagon socket screws which fasten the drive unit to the side part of the
fixed side of the board conveyor (E).
● Slide the drive unit in the direction of the movable conveyor side until the synchronizing disk of the drive
and the conveyor toothed belt on the fixed side of the conveyor belt no longer engage with one another (F).
● Support the drive unit so that the hexagonal shaft does not get bent.
● Remove the conveyor toothed belt from the guide channel of the movable side of the conveyor and lift it
over the drive unit and away (G).
● Insert the new toothed belt.
● Fit the drive unit, sonar BERO (except with the center conveyor) and the guide rail.
6.4.2.2 Function Test
● Carry out a function test of the conveyor as specified in the adjustment instructions.
NOTE OOO
With the function test do not fail to comply with the safety instructions in Chapter 1.
● Unlock the key-operated switch before performing function testing and making adjustments. This will allow
you to take measurements at the motors with the protective cover open. However the gantry axis systems
will be in a de-energized state.
NOTE O
When you have finished the function test do not forget to lock the key-operated switch again, stowing the
key in a place where unauthorized persons have no access to it.
6 PCB Handling SIPLACE 80S-20/F4 Service Manual
6.4 Conveyor Toothed Belts Edition 01/96
6 - 24
SIPLACE 80S-20/F4 Service Manual 6 PCB Handling
Edition 01/96 6.5 Retainers and Compression Springs
6 - 25
6.5 Retainers and Compression Springs
Spare parts, auxiliary materials and equipment
Retainer, righthand, Item No. 00317678-02
Retainer, lefthand, Item No. 00317679-02
Compression spring 0.8 * 8.8 * 32 V2A, Item No. 00200342-01 (order 2 for each conveyor side)
6.5.1 Removing retainers and compression springs
NOTE OOO
You should also comply with the safety instructions in Chapter 1.
● Adjust the board conveyor to the maximum width setting when you change the retainer on the fixed side of
the conveyor.
● For board transport, select ’Half board conveyor width’ when you change the retainer on the movable side
of the conveyor.
● Move the gantry or gantries to outside the board transportation area.
● Lower the lifting table.
● Switch off the machine at the main switch and disconnect it from the main power supply.
● Make sure that the machine cannot be switched on while you are carrying out servicing work.
● Remove the rocking lever (A).
● Remove the three DU strips (B) and the two comb guides on the outside. To do so remove the M3
recessed-head screws and hexagon socket screws.
● Undo and remove the M3 recessed-head screws which fasten the blocks (D) and remove the two com-
pression springs.
● Remove the guide strip (E).
● Swing the retainer outwards (F) and remove it.