Operating Instructions_VF335_en.pdf - 第381页
8|Service and maintenance 1 6 7 9 2 3 4 3 5 8 Fig.139: Cleaning the gassing cap Gassing cap cleaning ü Cleaning the gassing cap: ü The solder in the soldering module is completely molten. ü The soldering module is in …
8|Service and maintenance
8.11.5 Cleaning the gassing cap
This kind of maintenance work must be performed while the solder is liquid! There-
fore, the following safety instructions must be strictly followed:
DANGER
Severe or fatal injury from hot machine!
The entire machine is hot during operation and contains liquid metal!
a) Service on the hot machine may only be carried out by specially trained staff,
qualified for this type of work! For these types of work, a company internal oper-
ating procedure for protective clothing is to be issued!
b) You should always take into account the possibility for metal to spray out!
c) Special care is required when refilling the pot and working on the pot!
NOTE
Use suitable protective equipment!
When performing any work on a hot pot, protective clothing must be worn:
a) Safety shoes
b) Face protection
c) Heat resistant gloves
d) Heat resistant apron.
CAUTION
Risk of material damage!
The gassing ring is very sensitive and must therefore be handled with care!
Ersa GmbH Operating Instructions_VF335_en|Rev. 14|30/11/2017 380/695
8|Service and maintenance
1
6 7 9
2
3 4 3
5 8
Fig.139: Cleaning the gassing cap
Gassing cap cleaning
ü Cleaning the gassing cap:
ü The solder in the soldering module is completely molten.
ü The soldering module is in the [Service].
a) Open the cover pane in the area of the soldering module.
b) Loosen the quick coupling (1) of the nitrogen supply.
c) Loosen the gassing cap on lever (2) with a rotational movement of the reten-
tion springs (2).
d) Put the gassing cap on a heat-resistant surface.
e) Let the gassing cap cool down.
f) Remove the upper part of the gassing cap (4) and clean with a brush.
g) Clean the gassing ring (8) and the gassing cap with a brush.
ð Remove any stubborn solder residue with a wooden scraper.
h) Then clean the gassing ring (8) in an ultrasound bath.
i) Visual inspection of the gassing ring (8).
ð For heavily worn gassing rings:
j) Replace the gassing ring. With respect to this, please read Chapter Gassing ring
replacement [}383].
k) Reassemble the gassing cap.
Ersa GmbH Operating Instructions_VF335_en|Rev. 14|30/11/2017 381/695
8|Service and maintenance
l) Reassemble the upper part of the gassing cap (4).
m)Connect the quick coupling (1) again.
ð The process has now been completed.
Ersa GmbH Operating Instructions_VF335_en|Rev. 14|30/11/2017 382/695