Cadillac 60 Series 1963 Shop Manual page 368

ELECTRICAL SYSTEM 12-87
110. Phototube Unit Removal and
Installation (Fig. 12-104)
a. Removal
1. Disconnect negative cable from battery.
2. Reaching t h r o u g h glove box, disconnect
phototube electrical plug from socket on amplifier
unit.
3. Remove Phillips head pivot from right side
of phototube unit base, and lift unit and electrical
lead off of base.
b. Installation
1. Insert electrical lead through phototube base.
2. Position phototube unit on base and secure
with Phillips head pivot pin.
3. Connect phototube electrical plug to socket
on amplifier unit.
4. Connect negative cable to battery.
5. Check and , if necessary, adjust vertical aim
and DIM and HOLD sensitivity, Notes 104, 105
and 106.
111. Phototube Tube Assembly
Replacement (Fig. 12-105)
a. Removal
1. Remove phototube unit as d e s c r i b e d in
Note 110a.
2. Set driver control knob in Detent position.
3. Remove screw in rear center of driver con-
trol knob and remove knob from phototube unit.
Leave wave washer in knob.
Driver Control
Driver ^ ^
Control Knob
Screw *L
Wave Washer T
Retaining Clip
Switch
>
f Upper Tube
yf Soldered
%"C*' ?*-• Connection
*"'.'-' \ \ Phillips Screws
4
«*i»/ *
T
°P
Fig. 12-104 Removing Phototube Unit
Fig. 12-105 Phototube Unit Top Removed
4. Remove two Phillips head screws securing
top to body at front of phototube unit.
5. Remove retaining clip securing top to body
at rear of phototube unit and remove top.
6. Remove phototube lens.
7. Unsolder wire from metal tip on front side
of top tube.
8. Remove tube assembly by pulling out bottom
tube from socket.
b. Installation
1. Install tube assembly, plugging bottom tube
into socket.
2. Solder wire to metal tip on front of top tube.
Use resin solder only.
3. Position phototube lens in phototube unit
body.
4. Position top on phototube unit body and
secure together with two screws at front of unit.
5. Install retaining clip that holds top to body
at rear of unit.
6. Making certain that wave washer is in driver
control knob, position knob in Detent position, and
secure with screw.
7. Install phototube unit as d e s c r i b e d in
Note 110b.
112. Power Relay Unit
Removal and Installation
a. Removal
1. Disconnect two - way electrical plug from
power relay unit.