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Figure 3-45.
Solar Cell Lamp Position
the
locating hole and remove them from the
molding.
3. Inspect the common contact point for dust or
corrosion film. If necessary, lightly burnish
the
point. Do not attempt to clean the common con-
tact if it is pitted or burned. This will result in
increased air gap
and
loss of contact tension.
4. Check new contacts for correct configuration be-
fore installing. Refer to Figure 3-47.
5. Install new contact wires, one
at a
time, to
avoid
twisting.
6. Re-assemble
yoke
to contact molding
assembly.
The
armature
must be centered on the contact
wires with
equal
dimensions between the end
contacts and the
ears
of the molded armature
ac-
tuator. Be certain that the
yoke
is held tightly
against
the mounting pads.
7. Check that wires
are
not crossed or misplaced
CONTACT MOLDING ASSEMBLY
COMMON
N/C CONTACT
W
if'
ARMATURE ACTUATOR
Figure 3-46.
PM Relays
3-38
1402 CERM (4/67)
~L----STRAIGHT----
.....
I
Figure 3-47.
PM Relay Contact Wires
from
the
locating hole. Check for freedom of
arm-
ature
and coil
leads and proper
seating
of arma-
ture pivot springs. Check the operation of relay
contacts
with the dynamic timer or oscilloscope.
Circuit Breakers
The
RCCB's,
RLCB's, PACB's
and PLCB's are a
plunger-type CB. If either point becomes burned on
these
assemblies,
replace the
entire
assembly. The
PCCB's
are
the unitized rocker type. The stationary
arm
of
the CB has
a
removable
contact
point. How-
ever, if
the operating arm
contact
point becomes
burned, the
entire contact
assembly must be replaced.
Stoning or cleaning
of any of
these cam
contact
surfaces
is
not practical.
Certain positions
of
the RLCB's
and
PACB's re-
quire
circuit
breakers
with silver contact
points. The
silver
points minimize
"failure-to-make"
problems
as
were
preViously encountered with
tungsten
points.
Caution: The
silver
point circuit breakers, identified
by
a white
paint marking, must
only
be used in low-
current applications. Use in other than specified
ARMATURE
RETURN
SPRING
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