Operating Instructions_VF335_en.pdf - 第364页
8|Service and maintenance 8.10.3 Disassembling and cleaning the flux material storage tank. With regard to this, please read Chapters Cleaning agents used [ } 300] and Tools and auxiliary materials [ } 301]. 3 2 4 4 …
8|Service and maintenance
8.10.2 Total electrical equipment in the switchgear cabinet
NOTE
Disconnect power!
DANGER
Dangerous electrical voltage!
Serious injury or death from electric shock!
ü Work on the electrical system or the machine operating equipment must be un-
dertaken only by skilled electricians or by properly trained people under the su-
pervision and guidance of skilled electricians in accordance with the electro-tech-
nical rules.
a) According to VDE 0022 standard, the operator and installer of the system are re-
sponsible for the compliance with EVU and VDE regulations.
ü Checking the electrical equipment:
a) Visually inspect all assembly units and terminal blocks inside the switchgear
cabinets. Clean dirty assembly units. Have damaged components replaced by a
qualified electrician.
b) Refasten the mounting screws of all assembly units. Have a qualified electrician
refasten all terminals with a suitable screw driver.
c) Visually inspect all cables and plug-in connectors inside the switchgear cabin-
ets. Have a qualified electrician replace damaged cables and plug-in connect-
ors.
ð The process has now been completed.
Ersa GmbH Operating Instructions_VF335_en|Rev. 14|30/11/2017 363/695
8|Service and maintenance
8.10.3 Disassembling and cleaning the flux material storage tank.
With regard to this, please read Chapters Cleaning agents used [
}300] and Tools
and auxiliary materials [}301].
324 41
Fig.124: Flux material storage tank
ü To dismantle the flux material tank:
a) Open the door in the fluxer area.
b) Put on a grounding wrist strap and connect it to the machine equipotential
bonding.
c) Pull out the storage tank (3), holding it by the handle, and place it on a clean
surface.
Ersa GmbH Operating Instructions_VF335_en|Rev. 14|30/11/2017 364/695
8|Service and maintenance
4
8 6 5 7
3
Fig.125: Opening the flux material storage tank
ü Opening the tank:
a) Move the locking bow (3) by the handle end and close the tap (4) in the OFF
direction
b) Close the nitrogen supply tap (5).
c) Release the pressure from the tank. To do this, slowly open the valve (6) until
wind noise can no longer be heard and the pressure gauge (7) shows a value of
0 bar. Close the valve (6) again.
ð The tank is now depressurized.
Ersa GmbH Operating Instructions_VF335_en|Rev. 14|30/11/2017 365/695