Fluke 732a - Regulator PCB Assembly Removal; Oven Removal

732A
TOP
AND
BOTTOM
Figure
4-1.
Cover
and Front Panel
Screw Locations
REAR
OF
INSTRUMENT
REMOVE SCREWS
MARKED
"C”
TO REMOVE REAR
MODULE(S),
Figure
4-2.
Rear
Module
Mounting Screw
Locations
1.
Remove the top and bottom covers.
2.
With
the
732A resting on
its bottom, remove
the screws securing the inner shield top cover
and
remove the
shield,
3.
Remove both of the rear modules.
4. Remove the
screws
that fasten the two TO-220
power transistors to
the bottom
of
the
chassis. Save
the two
insulators
and
the two shoulder washers.
Note
the positions of the insulating hardware so
they
can be reassembled
properly.
5.
U nplug
the Regulator PCB Assembly from the
motherboard by pulling it out
towards
the rear of
the 732A.
4-15.
REGULATOR PCB
ASSEMBLY
REMOVAL
NOTE
Since the
Regulator
PCB
Assembly removal
requires the
removal
of
BOTH rear modules,
standardization
will
not be
maintained
after
this
procedure,
4-16.
Use
the
following procedure to remove
the
Regulator
PCB
Assembly from the 732
A
(Refer to Figure
4-3).
4-17.
OVEN
REMOVAL
4-18.
Use
the following procedure to
remove
the oven
assembly from the 732A
(Refer
to Figure 4-4)
1 .
Remove the
top
and
bottom covers,
2.
With the
732A resting on its
bottom,
remove
the
screws
securing the inner
shield
cover and
remove the
cover.
3.
Carefully pry
the
top foam insulating block out
from
the
front of
the
instrument using a blade type
screwdriver.
4-3