Pontiac tempest 1968 Service Manual page 361

6E-12 1968 P O N T I A C SERVICE MANUAL
frame by removing the three stator lead attaching
nuts (Fig. 6E-12).
2. Remove the numbers 3, 4, and 5 regulator lead
clips from the studs as shown in Fig. 6E-19.
F i g . 6 E - 1 9 Regulator Checks - C . S . I . Generator
3. Using lowest range scale on an ohmmeter hav­
ing a 1 1/2 volt cell, connect to one of the three dis­
connected regulator leads and to the generator No. 1
terminal as shown in Fig. 6E-19. Note ohmmeter
reading.
4. Reverse the ohmmeter lead connections and
again note the ohmmeter reading.
If both readings are the same, the regulator is
defective and must be replaced. The ohmmeter
should give one high and one low reading. Check the
other two regulator leads in the same manner.
HEAT SINK
NOTE: Do not disassemble unless absolutely nec­
essary. The heat sink must be completely in­
sulated from end frame.
1. With stator removed, remove screw retaining
condenser lockwasher, flat washer, fiber insulator
and condenser lead.
2. Remove BAT and GRD terminals and respec­
tive washers and insulators from end frame.
3. Remove heat sink and washers.
4. Replace heat sink assembly, noting stack-up of
parts shown in Fig. 6E-20.
5. Attach condenser lead to heat sink with washer
and screws. Be sure insulating washer is between
heat sink and end frame.
6. Install stator and connect leads.
C S I GENERATOR REGULATOR-REPLACEMENT
1. Detach the six regulator lead clips and two
regulator heat sink attaching screws, sleeve insula­
tors, and flat washer insulators (Fig. 6E-12).
2. Remove regulator from heat gink by removing
regulator mounting screws. Carefully note stackup
of parts.
3. Attach negative brush connection to regulator
heat sink.
4. Assemble regulator noting carefully proper
stackup of parts and being sure all electrical con­
nectors at brush holder mounting screws are located
under the flat washer insulators. Also check brush
lead positions to insure freedom of brush movement
and absence of shorts or grounds.
NOTE: Except for attachment of regulator, stack-
up of parts in heat sink assembly is the same in
both CSI integrated generator and basic generator
(Fig. 6E-20).
ASSEMBLE GENERATOR
1. Before assembling rotor and drive end frame
to slip ring end frame, make sure bearing surfaces
of shaft are perfectly clean.
2. Join together two end frames, matching scribe
marks.
3. Install four through bolts.
4. Remove wood or toothpick from brush holder
assembly.