00196062-03_SM_LDU-X_EN.pdf - 第34页

4 Service Work 4.2 Replacing Spare Parts 34 Service Manual SIPLACE LDU-X Linear Dipping Unit 11/2017 4.2.13 Replacing the Display Foil Overview Equipment required ● Standard tools ● Allen key size 2 and 5 ● Lint-free cle…

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4 Service Work
4.2 Replacing Spare Parts
Service Manual SIPLACE LDU-X Linear Dipping Unit 11/2017 33
Installation
1. Display board
2. Display housing
3. Switch on the display board
4. Studs (bumps) on the buttons
 CAUTION!
During the installation make sure that
the studs (bumps) (4) on the buttons
properly clip into the switch cavities
(3) on the display board.
.
► Further installation is performed by following the above instructions in the reverse order.
► Check the contrast of the display after the replacement and adjust it correctly if required.
4.2.12 Setting the Display Contrast
NOTICE
The display contrast cannot be set for an LDU-X with re-fill unit.
Equipment required
●
Small screwdriver
Setting the contrast
► Place the LDU-X onto the machine.
► Switch the LDU-X on.
► Open the front flap (1) of the LDU-X,
so that the underside of the display
unit(2) is accessible.
Display board
The display board is located on the under-
side of the display. This has a rotary en-
coder (1) (potentiometer) for the display
contrast.
► Use the small screwdriver to set the
rotary encoder so that the display can
be read easily.
 NOTICE!
Optimum setting
The setting is correct when you can
no longer see the gray segments be-
hind the numbers.
.
4 Service Work
4.2 Replacing Spare Parts
34 Service Manual SIPLACE LDU-X Linear Dipping Unit 11/2017
4.2.13 Replacing the Display Foil
Overview
Equipment required
●
Standard tools
●
Allen key size 2 and 5
●
Lint-free cleansing tissues
●
Ethanol
●
Spare part: Display foil [03063561-xx] (self-adhesive, on paper)
Removal
► Dismantle the display unit and remove the display board. (See 4.2.11 "Replacing the Display
Board" [}31])
► The display foil is attached to the housing. Carefully remove the foil from the housing with a
sharp object (knife, chisel).
► Remove all residual adhesive from the housing. Use a knife and a cloth moistened with eth-
anol.
Installation
► Take the new display foil and remove the protective sheet on the underside of the foil. The ad-
hesive surface is now uncovered.
► Position the new display foil correctly on the housing and press firmly into place.
► Further installation is performed by following the above instructions in the reverse order.
4.2.14 Replacing the Service Switch
Overview
Service switch [03062342-xx]
1. Cable to LDU-X controller
2. Plastic nut
3. Service switch
4. Key
Equipment required
●
Standard tools
●
Allen key size 6
●
Cable tie
●
Spare part: Service switch [03062342-xx] (incl. switch unit with cable, plastic nut and 2 keys)
4 Service Work
4.2 Replacing Spare Parts
Service Manual SIPLACE LDU-X Linear Dipping Unit 11/2017 35
Removal
NOTICE
Cable tie
► Cable ties can be opened carefully with a pair of pliers if necessary. Make sure you do
not damage any cables.
► These must be replaced by new cable ties after the replacement! Note their position if
necessary.
► Remove the side covers (see 4.2.29.1 "Removing the Side Covers" [}57]).
► Undo and remove the 3 screws (2)
fastening the upper stainless steel
cover (1) .
► Loosen the 6 screws (2) fastening the
lower cover (1).
► Loosen the switch unit (1) by pressing
sideways on the clip (2) with a screw-
driver and pulling the switch unit off
the connector.