HP 435B Service Manual

M od e l 435
Β

O p er at i o n
3-9 . O PER ATO R 'S M AI N T EN A N C E
Th e only m a in te n a n ce r es p o n
s
ibili
t
i
es t
h
e o p e
r
a-
to r s h o uld n o rm a lly p e rf o rm
a
r
e
prim
a
ry p o w
e
r
fu se re pl ace m e n t, LINE s wi tc h l a mp r e pl ace m e n t
a nd r ec h ar gea bl e b atte ry re pl ace m e n t .
B atte ry re pl ace m e n t i s t h e o nly o p e r at i o n t h at
re quir es too l s . Α P o zidriv sc re wdriv e r i s n ee d e d to
r e m o v e t h e b atte ry c l a mp .
3-10 . F uses
t
h
e
P
o
w
e
r M
ete
r LINE s wi tc h i s ON a nd i s be in g
o p
e
r ate d by t h e a va il a bl e lin e p o w e r , t h e l a mp
s h o uld b e illumin ate d . If t h e l a mp i s d ef ect iv e,
re m o v e t h e l e n s by pullin g i t st r a i gh t ou t . O rd er
l a mp (3131-0434) C D 6 a nd r e pl ace t h e o ld
pu s hbu tto n-l a mp assem b l y wi t h t h e n e w o n e . To
re pl ace t h e asse mbly , a li g n t h e pins wi t h t h e
n otc h in t h e r ece p tac l e a ndpu s h st r a i g h t in .
3-12
. B attery R eplacement
Th
e
prim
a
ry p
o
w
e
r
fu se i s f o und wi t hin t h e
Α
6

If t h e m ete r indi cates t h at t h e b atte ry i s di s-
P
o
w
e
r M o dul
e
A
sse mbly on t h e
P
o w e
r M
ete
r
's

c ha rge d by α full d o wn sca l e r eadin g, a nd af te r
r
ea
r pa n e l . F o r in st ru
ct
i o
n s on how to c h a
n
ge t
h
e

c ha r g in g t h e b atte ry st ill will only po w er t h e
fu se, re fer to t h e pa r
ag
r
a ph e
n
t
i
t l e d
Lin
e V o
l
tage

P o w er M ete r f or α s h o rt pe ri od o f t im e, t h e b atte ry
Se l ect i o n in Sect i on
II .

i s pr ob a bly d ef ect iv e . Th e r e pl ace m e n t b atte ry ,
ΒΤ 1 (HP pa rt numb er 1420-0096), m ay b e o rd e re d
CA U TIO N

t hro ugh t h e n ea r est H e wl ett- P ac ka rd office . R e fer
to B atte ry In sta ll at i o n in Sect i o n II .
M ak e s ure t h at o nly f uses w i t h t h e
r equire d r ate d cu rr e n t a
nd
of t
h e
speci-
f i e d t yp e (s l ow b l ow, t
im e de l ay ,
etc .)
a
r
e
WARNING
u sed fo r r eplace m
e
n t . T
h e
u
se of
r
e-
pa ir e
d f
u ses a
nd
t
h e s h o
r
t-c ir c ui t in g of

T hi
s
tas k s h ould be pe r fo rm e d only b y
f u se- h o ld e rs mu st
be avoided .

se rvi ce tr a in e dpe r so n s w h o a r e awa r e
3-11 . L amp R
eplace m ent

of t h epote n t i a l s h ock h aza rdof wo rkin g
onan
in st rum e n t w i t h p r otect i ve cove rs
Th e l a mp i s co n ta in e d in α pl ast i c l e n s whi c hd o u-

removed .
bl es f o r α pu s hbu tto n on t h e LINE s wi tc h . Wh e n

HP 435B Specifications

General

Brand	HP
Model	435B
Category	Measuring Instruments
Language	English