BFGoodrich PS-823 - Assembly

BFGoodrich Avionics
Systems, Inc.
Component
Maintenance
Manual
P/N
501-1075-()
Assembly
1.
General
Assembly
procedures
are listed
in
ascension
order,
starting
at the lowest
level of assembly.
These
procedures
are intended to
cover
most aspects of
assembly.
Soldering of
components
and
wires,
and
the replacement of items such as
switches, fasteners,
and
other
simple
operations are
not covered
explicitly.
Technicians working
on avionics
equipment of this
type should have adequate
knowledge
of
avionics
shop
practices prior
to
attempting any
repairs.
CAUTION:
READ
AND
UNDERSTANDALL
THE
INFORMATION
IN
THIS
SECTIONPRIORTO
ATTEMPTING
ASSEMBLYOFTHISUNIT.
NOTE:
Detailed
assembly
procedures for
the
Battery
Pack(s) are listed
in
the Repair
section.
Testing
procedures are
found in
the Testing and Fault Isolation section
of
this
manual.
Disassembly
section
procedures
included
encouragement
to tag and/or mark wires
at disconnection.
If no wire
marking
was performed
at
disassembly,
take time to
identify
wires
and appropriate
connection
points
prior
to starting re-assembly
process.
WARNING:
SEVERE
(3RD
DEGREE)
BURNSAND
MELTEDMETAL
PARTSCAN
RESULT
THROUGHIMPROPER
HANDLINGOF
THELRUAND
SUBASSEMBLIES.THEBATTERIESCONTAINEDWITHIN
THE
PS•823
ARE
CAPABLEOFPRODUCINGAND
SUSTAINING
I.ARGECURRENTS
(OVER
50AMPS)FOR
SEVERALMINUTES.REMOVEALL
JEWELRYWHENWORKINGON
THIS
EQUIPMENT.
Place the
PS-823
assemblies
and
components
on a stable,
flat surface with appropriate
lighting.
Take special
note that
storage batteries contained
in
the
PS-823
are
charged and
capable
of inflicting
burns and shocks. Do not
proceed with
assembly
without
reading this
entire section.
2. Chassis
Assembly
NOTE: Numbers
in parenthesis refer
to
index numbers
of
parts on
IPL
Figure
1
in the
Illustrates Parts List section.
A. Place
Front
Panel
(190)
into position on front of
Chassis (220).
B. Insert the
mounting
screws
and
secure nuts
to
screws
(210, 215).
C.
Secure fasteners to snug tight.
3.
Mounting
Fuse Holder
A. Insert the Fuse
Holders
(185)
into their appropriate holes
in
the
Front Panel
(190).
B. Reconnect and
solder wires to the Fuse Holder
solder
terminals.
C.
Place the Fuse
Holder lock
washers
and nuts (185)
onto the Fuse
Holder(s)
and tighten to
snug-
tight.
msmijtp202Assemblydiskl59
24-20-03
Page
701
Revision
A
June
30,
1999