SIPLACE-SX4-DX4-用户手册.pdf - 第35页

Service Work 3.1.3 Replacing the Cover Fan [03056479-xx] Basic Machine Service Manual SIPLACE SX4/DX4 35 3.1.3 3 . 1 . 3 R e p la c in g t h e C o v e r F a n [ 0 3 0 5 6 4 7 9 - x x ] Replacing the Cove r Fan [03056479-…

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Service Work
Basic Machine 3.1.2 Replacing the Cover Switch [03055263-xx]
34 Service Manual SIPLACE SX4/DX4
3.1.2
3.1.2 Replacing the Cover Switch [03055263-xx]
Replacing the Cover Switch [03055263-xx]
Parts, equipment and tools
Safety switch AZ 16-03zvrk-M16 3Oe [03055263-xx]
Overview
Removal
Switch off the machine, disconnect it from the power supply and secure it to prevent unauthorized
reactivation. Observe the instructions in section "1.2 Preparatory Work..." [ ➙ 12].
Unplug the connection cable from the cover switch.
Loosen the screws fastening the cover switch and remove the cover switch.
Installation
Follow the removal instructions in reverse order for installation. Also observe the following instruc-
tions:
See also
3.1.1 Replacing the Gas Pressure Shock Absorber on the Cover [03086743-xx] [ ➙ 31]
Cover switch (using example of SX1/SX2)
1. Cover switch
CAUTION
Installation instructions
The cover switch must be set to the cover. Make sure that the cover switch is clean and
switches properly. The cover switch needs to be set so that even a minimal opening of the
cover will trigger the safety circuit.
Switch the machine on and make sure that the cover switch activates the safety circuit,
when the protective covers are opened.
Service Work
3.1.3 Replacing the Cover Fan [03056479-xx] Basic Machine
Service Manual SIPLACE SX4/DX4 35
3.1.3
3.1.3 Replacing the Cover Fan [03056479-xx]
Replacing the Cover Fan [03056479-xx]
Parts, equipment and tools
Axial fan type 4414 FNN [03056479-xx]
Sealing varnish Loctite 241 [02101037-xx]
Overview
Removal
Switch off the machine, disconnect it from the power supply and secure it to prevent unauthorized
reactivation. Observe the instructions in section "1.2 Preparatory Work..." [ ➙ 12].
The fans are fastened to the cover plate, inside. First dismantle the cover plate:
Loosen and unplug the connection cable (4).
Loosen the 6 screws fastening the cover plate and remove the cover plate. Make sure that the wash-
ers and contact disks are not lost. You may want to mark their positions, to make clear assignment
easier later on.
Loosen the four screws fastening the cover fan. Make sure that the washers are not lost.
Unplug the cover fan connection cable and remove the cover fan from the machine.
Installation
Follow the removal instructions in reverse order for installation. Also observe the following instruc-
tions:
1. Screws for fastening the cover plate
2. Cover fan
3. Fastening crews for cover fan
4. Connection cable for cover fan
CAUTION
Installation instructions
When fitting the fan, note the correct direction of the air blown. If necessary, you can use
the adjacent fan as a guide. The direction of air blown is shown by an arrow on the side of
the fan housing.
Secure the six screws fastening the cover plate with Loctite 241.
Service Work
Basic Machine 3.1.4 Guide Rollers on the Covers
36 Service Manual SIPLACE SX4/DX4
3.1.4
3.1.4 Guide Rollers on the Covers
Guide Rollers on the Covers
Parts, equipment and tools
Per machine:
4x roller assembly - pack of 20 [03078561-xx]
4x DIN915-M8x16 - pack of 10 [00304354-xx]
or
4x DIN EN ISO4026-M8x16-A2-21H - pack of 10 [03025582-xx]
Open-ended wrench, size 10
Allen key
Procedure
Open the two gantry changer doors and move the covers out of the guidance.
This makes the following work easier.
Loosen the screwed fixture on the roller (fork wrench size 10). Unscrew as far as required.
From the inside, screw on a setscrew as lock and tighten it.
Verification
Check whether the cover can be easily moved along the whole area. Adjust the cover if necessary
(see "5.1.1 Setting the Machine Covers" [ ➙ 227]).
See also
1.2 Preparatory Work... [ ➙ 12]
NOTICE
Example
The following sections are described using the example of an SX1/SX2 machine. The proce-
dure is the same for other machines. Any relevant differences will be mentioned explicitly.
NOTICE
Covering
Between the roller and the guidance there must be at least 75% coverage.