Electronic Timer Switch Continuity Check &: Adjustment - Polaroid 100 Series Repair Manual

Rep13l.-emenl
1. Position
till.."
new timer
ilSSI.'lnbty
in the rear
door spider. P1m:e the
sprin,
over
thc
timer
4
Runlhe timer i:able
to the SWlh:h
and '!\older
Ihl! tbree Icads to the timer switch. Rel'lal."e
the insulator and position the switch in tbl.'
spider.
POSttioll ;he red roll latch in place and then
secnre the n:ar door to the sptder lIsing the
fOlir
rivets. Instl.lJl the rivets with
a
Dt:'-StaC'u
(00) with anvil B I 13571xut 3 und he-.Id
Bll3S7~part
4.
3. Solder the black and white leads to the timer
tsee Figure
S~36).
4. Acth-<.Ite the cement on the- electrical name-­
plate lIsing M.E.K. (methyl-ethyl-ketone-)
and secure the nameplate in place on the
rear door,
5. Adhere the driving knob to the timer
potentiometer using silicone robber Cement.
BI.' surt' the tang on
t
h\.'
i;
Huh fib in
t
he
~Iot
on the potl!'ntiuml.'h."r (Figun.'
S<U~
I.
6. AdiV'dlc
che
1.'l.'I11enf nn OIl: indlt.'x f,lale using
M.E,K. Jnd Sl.'l:tm: the platt' in pha:e on
Ihl'
polentiuructcr drtvint;! knob.
ELECTRONIC TIMER SWITCH CONTINUITY
CHECK AND ADJUSTMENT
I, Disassemble the electronic timer from Iht:
rear door. (Do not unsolder tbe black:
und
white leads from the timer. Refer to flro*
cedure: "Replacing
the
Electronic Tim!:r,",
2.
Che(:k the timer switch (:ontinuity:
a.
Set
a YOM on the Rxl scale and place probes
on the contacts shown in Figure 5--39. The
reading should be INFINITY. If the meter
shows a rontinuity reading, check for
bridg~
, jng of the
solder
connections between tbe
switch contacts. If there is no bridging and
the reading is continuity. replace the timer.
FIG. 5.38 INSTALUNG THE NEW KNOB