Operating Instructions_VF335_en.pdf - 第379页
8|Service and maintenance 1 2 3 Fig.138: Solder nozzles ü To visually inspect the solder nozzles: a) Switch on the solder wave. ð The solder nozzles must be completely wetted with solder (1). b) Prepare not completely…

8|Service and maintenance
8.11.4 Preparing solder nozzles
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!
All the parts of the soldering module coming into contact with liquid solder are
coated.
a) These parts may only be cleaned with a suitable brush.
b) Use a wooden scraper for residual solder which is hard to remove.
With regard to this, please read the Tools and auxiliary materials [}301] Chapter.
Ersa GmbH Operating Instructions_VF335_en|Rev. 14|30/11/2017 378/695

8|Service and maintenance
1 2 3
Fig.138: Solder nozzles
ü To visually inspect the solder nozzles:
a) Switch on the solder wave.
ð The solder nozzles must be completely wetted with solder (1).
b) Prepare not completely wetted nozzles (2).
c) Replace strongly oxidised nozzles (3).
NOTE
Supplementary documents
To prepare the solder nozzles, the [106314] document is available. You can find the
document on the [product_data_selective] data carrier, which is included in delivery.
CAUTION
Risk of material damage!
Tight-fitting screw connections in the hot area!
a) Provide threads with release agent before assembly!
With regard to this, please read the Lubricants used [}299] Chapter.
Ersa GmbH Operating Instructions_VF335_en|Rev. 14|30/11/2017 379/695

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