00197469-02_SM_Twin_Kunde_EN - 第36页
4 Pneumatic and pressure control valve (PRV) 4.4 Replace hoses 36 Service Manual SIPLACE TwinStar (Twin, Twin HF, Twin VHF) 07/2020 4.4 Replace hoses Spare parts Select the required spare part: ● Silicone hose 4.5x2.5 1m…

4 Pneumatic and pressure control valve (PRV)
4.3 Calibrating the digital PRV
Service Manual SIPLACE TwinStar (Twin, Twin HF, Twin VHF) 07/2020 35
4.3.4 Checking the Air Blast
Fig.46: Select operator level
► Select the button.
► Select the button.
► Switch over to the operator level Ma-
chine service.
ð The button will be shown.
Fig.47: Sensors and Functions menu
► Select the button
► Select the button.
► Select the placement head.
Fig.48: Vacuum Functions menu
► Select the button.
► Switch over to the Segment 1 or Seg-
ment 2. tab.
► Select the Switch pressure on button.
► Seal the nozzle with a finger and select
the Measure pressure
button.

4 Pneumatic and pressure control valve (PRV)
4.4 Replace hoses
36 Service Manual SIPLACE TwinStar (Twin, Twin HF, Twin VHF) 07/2020
4.4 Replace hoses
Spare parts
Select the required spare part:
●
Silicone hose 4.5x2.5 1m [03013166Sxx]
This hose has a length of 1 meter and must be cut to the required length. It replaces the fol-
lowing hoses:
– Silicone hose 4.5x2.5x96 [03046416‑xx] (length: 96mm)
– Silicone hose 4.5x2.5x26 [03046203‑xx] (length: 26mm)
– Silicone hose 4.5x2.5x90 [03053643‑xx] (length: 90mm)
– Silicone hose 4.5x2.5x60 [03053642‑xx] (length: 60mm)
●
Hose 4*2.5 PUR TU 0425 BU-20 [00334552‑xx]
(Replaces: connection hose to machine for return unit Z axis [03068841‑xx], length: 350mm)
Overview
Fig.49: Overview of hoses
1. Silicone hose 4.5x2.5x60 [03053642-xx]
(blue)
Length: 60 mm
The hose leads from the PRV to the
filter.
2. Silicone hose 4.5x2.5x90 [03053643-xx]
(green)
Length: 90 mm
The hose leads from the filter to the
precision tube at the top.
Fig.50: Overview of hoses
1. Silicone hose 4.5x2.5x26 [03046203-xx]
(orange)
Length: 26 mm
The hose leads from the elbow or strain
relief to the rotary supply.
2. Silicone hose 4.5x2.5x96 [03046416-xx]
(red)
Length: 96 mm
The hose leads from the precision tube
at the bottom to the elbow or strain relief.
CAUTION!
Make sure that the silicone hose (1)
(orange) is not twisted when you fit it.
.

4 Pneumatic and pressure control valve (PRV)
4.4 Replace hoses
Service Manual SIPLACE TwinStar (Twin, Twin HF, Twin VHF) 07/2020 37
Removal/installation
NOTICE
► We recommend dismantling the return unit buffer when replacing all hoses.
3.1
"Replacing the return unit buffer" [}17]
► We recommend removing the pressure control valve when replacing the green or
blue hose.
4.2
"Replacing the pressure control valve (PRV)" [}27]
► If replacing the orange hose see section 4.4.1 "Replacing the silicone hose
4.5x2.5x26" [}37].
See also
2 3.2 "Replacing the Z axis return unit" [}19]
4.4.1 Replacing the silicone hose 4.5x2.5x26
Overview
See 4.4 "Replace hoses" [}36]
Preparation
► Remove the head from the machine. For details about removing and fitting the placement
head, refer to the service manual for your machine.
Removal
► Select the applicable version:
Fig.51: Elbow version 1 (example of Twin / Twin HF shown)
For elbow version 1:
► If the elbow(1) is fixed with a grub
screw(2)
, see section 4.4.1.1 "Replace-
ment of elbow version 1" [}38].
Fig.52: Elbow version 2 (example of Twin / Twin HF shown)
For elbow version 2:
► If you have a Twin with a new elbow
fixture(1)
, please read section4.4.1.2
"Replacement of elbow version
2" [}40].
NOTICE!
Version 2 of the elbow fixture can be
retrofitted. Contact the SIPLACE Ser-
vice team for details.
.