ABB OneFit Instruction Manual page 13

D I S T R I B U T I O N S O LU T I O N S
Check and in case clean the insulating surfaces
and grease the power disconnect clusters and the
earthing plier before using the Cable test truck.
See "Maintenance" chapter.
Disconnect the ground and test cables from all the
Cable test truck terminals (earthing and phases)
before insert the Cable test truck inside OneFit
frame.
Check the OneFit frame to certain that it is free of
obstructions, tools, or other equipment before
inserting Cable test truck.
The standard procedure in OneFit shall be
executed as follow starting from the circuit
breaker (CB) in operation, racking out (closing
insulating ANSI shutters if present), closing the
OneFit metal shutter and then interlocks are
released and the door can be removed.
The relevant latest OneFit operation manual must
be read carefully.
Instructions
1) Insert Cable test truck in OneFit frame,
referring to the OneFit operation manual.
Engage OneFit retaining grooves with Cable
test truck handles and secure racked-out/test
position.
Figure 13. Trucks and OneFit frame.
DANGER
Due to the safety concerns in such type of
operation it is very important to clearly
indicate on each truck the intended function by
a specific warning label that shall be attached
in site depending on the specific type of
connection.
WARNING
Due to the safety concerns for the following
procedure the work area and cable test
equipment shall be properly identified as a live
equipment area and segregated during the
complete sequence execution.
When Cable test truck is in racked out position,
the red "connected" position label is not visible,
as shown in the figure 4 (1).
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