Installation and maintenance instructions UniGear type ZS2 UniSafe-36 1YTW571780-012 Rev:E 01-2005 en Page: 24 of 25
5 MAINTENANCE INSTRUCTION
5.1 General
All operations for maintenance must be carried out either by ABB personnel or other skilled personnel
authorized by the user organization.
!
CAUTION! To ensure safety during maintenance work, all parts of the main circuit to which access
is required must be earthed prior to access.
CAUTION! No one is allowed to stay in the cubicle when the earth switch is operated due to the
risk of being hurt by the fast moving earth-blades.
CAUTION! The encapsulating sheet steel of cubicles may have sharp edges inside and on the roof
be careful.
Related personnel for maintenance should consider the below referred instructions:
Installation and service instructions, HD4 CHAPTER 9-10
ABB doc. no: ITNIE647016-003
Installation and maintenance instructions, UniSafe CHAPTER 12-13-1
ABB doc. no: ITNIE647647-001
Guide table for Grease type “E” (contact grease)
Supplier Art Nr:
ABB Lubricant(pasta T16865/A1) 5gr ITSCB 1322
Klüber Isoflex Topas NB52 box
RIVOLTA S.K.D. 4002 box
Some cleaning products include chemicals which affects the insulating materials: busbar insulation tubes
and transparent polycarbonate components. So wipe and clean dry or consult ABB when necessary.
5.2 After Sale
Accessories
ABB Id no:
CB (and VT) Racking crank
Crank for tensioning springs in the HD4
Lever for Earth switch operation ITSCB 143429-802
CB Transport and racking trolley 1YTW572756-101
CB Hydraulic lifting and racking trolley:
User instruction:
Upper tray :
Lifting transpalette:
1YTW571780-115
1YTW572756-111
1YTW573427-254
option
Socket Wrench Hexagon for opening front-lower cover 1YTW573427-276
Rotate tool for Fused VT cap (for alce type) 1YTW573427-179
Spare parts
Touch up paint Light beige colour (RAL 7035)
Spare parts for electrical components: Identify and select as necessary from the order-bound document
“Material list”
Spare parts for C.B. refer to Installation and service instructions, HD4 CHAPTER-12,
ABB doc. no: ITNIE647016-003
6 DOCUMENTATION REFERENCE
Assembly drawing for hinged End-covers left&right 1YTW572721-100
Instruction manual HD4 CB ITNIE 647016-003
Product information for disposal 9CJV000124B07
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