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INSTALLATION
5.5
REPLACING THE FUSE
Installed in the MasterShunt 500 is a T-500A fuse
(Part number 77049000). If the DC current through
the MasterShunt exceeds averages of above 500A
during a longer period, the internal fuse will blow.
Follow the instructions carefully to replace the fuse.
Disconnect the electrical power:
•
Switch off all consumers.
•
Switch off all charging systems.
•
Disconnect the positive battery poles.
WARNINGS
Changing
the
MasterShunt should be carried out by
qualified personnel only!
Installation by unqualified personnel may
result in major personal and material
damage.
Only replace the blown fuse by a fuse of
the same rating!
If a fuse has blown, a high current has
flowed through several parts of the
MasterShunt. As a result these parts and
especially the fuse can be hot! Avoid
burns!
12
internal
fuse
of
the
Figure 12: Internal fuse in MasterShunt
•
Turn the two top screws 90 degrees to release
the locking pins from the holes (1). Take off the
upper casing.
•
Remove the two fuse fastening bolts (2).
•
Take out the fuse (3). Mind possible hot parts!
•
Put the new fuse in place.
•
Fasten the new fuse with the two bolts. The
tightening torque should be 15-20 Nm.
•
Close the casing.
•
Reconnect the battery pole.
•
Switch on the consumers one at a time and
monitor the current at each switch on. Refer to
the manuals of these devices to check whether
they are functioning correctly.
February 2011 / MasterShunt / EN
3
2
1
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