TM 5-3810-306-34
ELECTRICAL SWIVEL ASSEMBLY
ELECTRICAL TOOL: General mechanic's tool kit: automotive (5180-00-177-7033) Ohmmeter
SUPPLIES:
None.
EQUIPMENT CONDITIONS:
Electrical swivel assembly removed. (Refer to page 15-95.)
d. Using an ohmmeter check the continuity
REMOVAL:
between each of the collector core rings'
surfaces and the electrical leads. If any
1. PRIOR
TO
DISASSEMBLY
CHECK
conductors are defective they must be
ELECTRICAL SWIVEL AS FOLLOWS.
replaced.
NOTE
2. TAG
AND
REMOVE
ELECTRICAL
HARNESSES (22) AND (24).
See electrical swivel slip ring chart
(page 15106) to pinpoint problem
a. Tag and disconnect sleeves (28) and (29)
areas, and aid in disassembly and
and knife disconnects on the brush and
installation.
arm assemblies (26) and (27) and remove
harness (22).
a. Check all brushes (26) and (27) for proper
contact with collector ring conductors.
b. Tag and disconnect the collector ring wire
Note any brush sets which are oil-soaked
connectors (15) and (16) located at the top
or worn to one-half of their original length.
of the swivel and remove harness (24).
These must be replaced.
CAUTION
b. Check spring tension of each brush. Any
that are damaged or weak must be
Ensure brush and arm assemblies are
replaced.
Spring tension should be
properly
tagged
with
the
sufficient to firmly hold brushes against the
corresponding circuit numbers.
collector ring.
NOTE
c. Inspect collector ring conductors for
arcing, pitting, and corrosion. Under some
When removing brush and arm
conditions, ring will have a tendency to
collect fine silt and in a salt atmosphere,
assemblies, it will help if they are
corrosion will occur. If this happens, rotate
kept in order.
collector core several times. This should
clean the ring. If it does not, it might be
3. REMOVE BRUSH AND ARM ASSEMBLIES (26)
necessary to clean core after disassembly.
AND (27).
a. Remove nuts (14) and washers (7) on
brush holding studs (13).
b. Remove top retainer plate (6).
15-100
