ABB TMAX XT XT6 ELECTRONIC Instruction Handbook Manual page 24

24
INSTRUCTION HANDBOOK
6.9 PHASE 9 – TRIP UNIT MAIN STRUCTURE
Actions to be performed
Tools
63
Torx key
Manually remove the 3 covers mounted over
the sensors.
No. 8
Flat screwdriver
Cross screwdriver
Pliers
Torx key
No. 20
65
By means of the flat screwdriver unhook
the sensors cover from the trip unit main
structure.
67
By means of the cross screwdriver unscrew the
screw fixing the trip coil to the trip unit main
structure.
64
By means of the torx key (size 8) unscrew the 2
screws fixing the sensors cover to the trip unit
main structure.
66
Manually remove the sensors cover.
68
By means of the pliers unhook the connector
connecting the trip coil to the trip unit printed
circuit board.