SM13-007-0
Page 3
DESCRIPTION
superstructure. The swivel may also incorporate mi-
The electrical swivel consists of brushes, collector
rings, and a cover assembly. It is normally mounted
croswitches and camplates or segments to actuate
the microswitches. These are normally used for area
on top of the swivel assembly. The electrical swivel is
definition purposes.
used to conduct power between the carrier and the
THEORY OF OPERATION
The electrical swivel transfers electricity between
brush assembly then picks up the electricity and
the carrier and superstructure. Wiring harnesses
through wiring harnesses transmits the electricity to
transmit the electricity from the carrier components
the superstructure components.
to the collector ring assembly on the swivel. The
MAINTENANCE
NOTE
CAUTION
Although the amount of slip rings will
Ensure the brush and arm assemblies
vary, disassembly and assembly proc-
are properly tagged with the corresponding
dures are the same.
circuit numbers.
DISASSEMBLY.
NOTE
NOTE
When removing the brush and arm as-
Do not disconnect the collector core
semblies, it will help if they are kept in
wires at the top of the swivel assembly.
order.
1.
Move the swivel to a clean work area and block
7.
Remove the brush and arm assemblies.
it from moving. (Block against the center post.)
8.
Loosen the setscrews securing the collector
2.
Perform Prior to Disassembly located in the
core to the mounting bracket and remove the collec-
CLEANING AND INSPECTION part of this Package.
tor core.
3.
Tag and disconnect the knife disconnects on
9.
Remove the nylon bearing from the mounting
the brush and arm assemblies.
bracket.
4.
Remove the nuts and washers on the brush
10.
Perform After Disassembly located in the
holding studs.
CLEANING AND INSPECTION part of this Package.
5.
Remove the nylon outboard bearing.
CLEANING AND INSPECTION.
6.
If there are any spacers (on the brush holding
Prior to Disassembly.
studs) located under the nylon outboard bearing, re-
move and save them.
1.
Check all brushes for proper contact with the
collector ring conductors. Note any brush sets which
