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9 12-Segment Revolver Head (10000) SIPLACE 80S-20/F4 Service Manual 9.4 Vacuum Generator Block Edition 07/97 9 - 18 ● Undo the h exago n spacer an d rem ove the v acuum boa rd (see Fig. 9 .4. 1 ). ● When in stall ing, pr…
SIPLACE 80S-20/F4 Service Manual 9 12-Segment Revolver Head (10000)
Edition 07/97 9.4 Vacuum Generator Block
9 - 17
9.4 Vacuum Generator Block
9.4.1 Replacing the Venturi Nozzles and the O-Ring
Spare parts
Vacuum nozzle, 1.5 dia. (holding circuit), from item no. 00319420-02
O-ring 14 x 1.5 NBR 70B (holding circuit), from item no. 00320048-01
Vacuum nozzle (placement circuit), from item no. 00319423-02
O-ring 10 x 1.5, NBR 70B (placement circuit), from item no. 00320047-01
● Disconnect the compressed air lines from the vacuum generator.
● Undo the two hexagon socket screws (M3 x 22) and remove the distributor.
● Carefully remove the two venturi nozzles together with their o-rings (see Fig. 9.4.1).
● Replace or clean the parts as appropriate.
● Before fitting the o-rings, lightly grease them with Unisilkon.
● To re-install, proceed in the reverse sequence of operations.
NOTE
When inserting the venturi nozzles make sure that the o-rings are seated firmly in the cutouts.
9.4.2 Replacing the Silencer
Spare parts
Silencer, from item no. 00320964-01
● Detach the silencer by hand by turning it anticlockwise.
● Pull out the threaded rod and remove the funnel from the silencer (see Fig. 9.4.1).
● Replace the silencer with a new one.
● When installing, proceed in the reverse sequence of operations.
9.4.3 Replacing the Vacuum Board
Spare parts
Vacuum board SP6/12, from item no. 00321216S03
● Disconnect plug-in connection X10 from head board C0005.
● Carefully pull the two hoses off the compressed air sensors for the placement and holding circuits.
● Undo the hexagon socket screw M 2.5 x 5 (A) (see Fig. 9.4.1) and the hexagon spacer bolt M2.5x10 (B)
(see Fig. 9.4.1) using a fork wrench, width across flats 4.
9 12-Segment Revolver Head (10000) SIPLACE 80S-20/F4 Service Manual
9.4 Vacuum Generator Block Edition 07/97
9 - 18
● Undo the hexagon spacer and remove the vacuum board (see Fig. 9.4.1).
● When installing, proceed in the reverse sequence of operations.
– No adjustment of settings will be necessary.
Fig. 9.4.1 Vacuum generator block
1 Silencer A Undo M 2.5x5 hexagon socket screw
2 Vacuum measurement board B Undo M2.5x10 hexagon distance bolt
3 Holding circuit vacuum nozzle using a fork wrench, width across flats 4
4 O-ring 14 x 1.5
5 Collet bush
6 Clamping ring
7O-ring
8 O-ring 10 x 1.5
9 Placement circuit vacuum nozzle
9.4.4 Cleaning the Vacuum Distributor and Vacuum Distributor Disk
Spare parts
Vacuum distributor, from item no. 00319827S02
Vacuum distributor disk, from item no. 00319351-02
2
B
A
9
8
7
6
5
4
3
1
SIPLACE 80S-20/F4 Service Manual 9 12-Segment Revolver Head (10000)
Edition 07/97 9.4 Vacuum Generator Block
9 - 19
● Remove the front part of the placement head (see section 9.1.7).
● Carefully remove the vacuum distributor.
● Clean or replace as appropriate the two o-rings or the vacuum distributor (see Fig. 9.4.2).
● Pull the vacuum distributor disk off the front of the placement head.
● Clean the vacuum distributor disk and lightly grease its back with Unisilkon.
● When you fit the vacuum distributor disk watch out for the two guide pins.
Fig. 9.4.2 Vacuum distributor and vacuum distributor disk
1O-ring
2 Vacuum distributor
3 Vacuum distributor disk in placement head front part
4 Placement head back part
● When installing, proceed in the reverse sequence of operations.
NOTE
When you insert the vacuum distributor disk make sure the o-rings are seated firmly.
3
2
1
4