Tektronix TYPE CA Instruction Manual page 16

ends of the bolts , and fasten them firmly with
another set #2-56 nuts. Place a drop of red
glyptal over each of the second set of nuts
after fastening.
ounting Later Ceramic Strips
To replace strips which mount with snap-in
plastic fittings, first remove
fittings from the chassis. Assemble the mount ­
ing post on the ceramic strip. Insert the
nylon collar into the mounting holes in the
chassis. Carefully force the mounting post
into the nylon collars.
of the mounting post which protrudes below
the nylon collar on the reverse side of the
chassis.
Note
Considerable force may be nec ­
4-4
the original
nip off the portion
Maintenance - Type CA
essary to push the mounting rods
into the nylon collars. Be sure that
you apply this force to that area of
ceramic strip directly above the
mounting rods.
Color Coding
All wiring in the Type CA Unit is color
coded to facilitate circuit tracing.
color codes are used to distinguish the leads
for the power-supply voltages obtained from the
oscilloscope. These power-supply leads follow
the standard RETMA code. The -150 volts
bus wire is coded brown-green-brown; the
+ 350 volts bus is coded orange-green-brown;
the +225 volts bus is coded red-red-brown
and the +100 volts bus is coded brown-black-
brown. The widest stripe identifies the first
color of the code.
pecific
AA