Operating Instructions_VF335_en.pdf - 第378页
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 Sev…
8|Service and maintenance
8.11.2 Clean the spray head
1
Fig.137: Clean the spray head chamber (1)
NOTE
Additional documents
See document [83484] for the sprayer cleaning procedure. This document is on
[product_data_selective] media.
8.11.3 Z-axis lubrication after 400 hours of operation
Z-axes must be lubricated at the latest after 400 hours of operation. For more ac-
curate monitoring, you can create a cyclic message. With regard to this, please read
Chapter:
– Lubricating the Z-axis of the selective soldering module [
}355]
– Lubricating the DIP soldering unit Z-axis [
}357]
– The [Messages] setting dialog
Ersa GmbH Operating Instructions_VF335_en|Rev. 14|30/11/2017 377/695
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