HP 5300A - Page 51

Model 5300A
Maintenance
Figure 5-5. Battery Removal
: "871 (B)
caged La ipa am et teats ee. seen et pete ae
=
BrHc) |.
dong eet ate Se a tee” nepal a A a bg ae tee me aie et
BTID)
replacement is attempted, however, batteries from
different manufacturers must not be intermixed. This
unit contains one of the following battery types:
Mfg. No.
HP Part Na. Manufacturer
Union Carbide Y 5816
Corp. Elect. Div.
1420-0084
(no identifying
numbers on battery)
Gould-National
Batteries, Inc.
1420-0209
(Part number
located on battery)
Replace batteries as follows:
WHILE PERFORMING THE FOLLOWING
STEPS, ENSURE THAT THE BATTERY LEADS
ARE NOT SHORTED TO EACH OTHER OR
TO THE INSTRUMENT CHASSIS. INJURY
TO PERSONNEL AND/OR DAMAGE TO
EQUIPMENT MAY OTHERWISE OCCUR.
a. Remove fuse Fi (located on Al Assembly at
front of 5310A) using a nonconductive tool.
5-16
Sf
_-BTHED
2
of
{
|
b. Remove six screws in top cover plate and lift
off plate to expose the five batteries.
c. Unsolder WHT-BLK-RED wire, at BT1A(+),
which leads from A2(H) to BTIA(+).
d.
Unsolder
WHT
wire
at
BT1D(-).
Four
bat-
teries,
BT1A,
B,
C,
and
D
will
be
free
for
removal.
e. Unsolder WHT wire at BTIE(+) and BLK wire
at BTIK(-). The last section of the battery will be free
for removal.
f. Interconnections between the four sections of
BT1A, B, C, and D can be made with the batteries out
of the casting.
g. The battery sections can be reinstalled by re-
versing steps a through e.
h. When the five sections of BT1 have been in-
stalled, the plate removed in step b can be replaced
and the six screws installed.
i. Mate the 5310A Battery Pack to the 5300A
and the plug-on used as in Paragraph 2-15.