Buick LeSabre 1965 Service Manual page 256

5 - 4 2 SERVICE PROCEDURES
SUPER TURBINE " 3 0 0 "
SPRING.
Figure 5-177
body. Compress plug and install
retaining pin. See Figure 5-177.
5 - 1 7 LOW SERVO
DISASSEMBLY AND
REASSEMBLY
a. Disassembly
LOW SERVO
PISTON SEAL
4
Figure 5-177A
1. Remove low servo piston seal.
See Figure 5-177-A.
2. Compress low servo piston.
EXTREME CAUTION MUST BE
TAKEN WHEN THE LOW SERVO
IS BEING COMPRESSED. Install
J-9522-2 to hydraulic ram. In-
stall J-21421-1 on top of servo
piston. Install a piece of metal 6"
x 1-1/2" x 1/2 between J-9522-2
and J-21421-1. Using hydraulic
press compress piston and re-
move retaining pin.
NOTE: After retaining pin has
been removed released hydraulic
ram very slowly. See Figure
5-178.
Figure 5-179
3. After hydraulic ram has been
released remove piston low servo
apply piston spring inner, outer
return springs, spring retainer,
washer and piston apply rod. See
Figure 5-179.
b. Reassembly
INNER
RETURN S
SPRING . 4 j b f k M
$ $ T ^ \ WASHER
ROD
RETAINING
PIN \
PISTON
LOW SERVO ^ " ~ " ^
P R I N G " ~^T~^tfff\ ^M
J \ P * APPLY SPRING'
\ OUTER
RETURN SPRING
1. Assemble the inner anc* outer
return springs into the piston.
Install spring retainer. See Fig-
ure 5-180. Install this assembly
into the ram press as shown in
Figure 5-180.
Figure 5-180
Figure 5-181
2. Assemble tools on top of pis-
ton in same manner as removing.
Center spring retainer over hole
in press Plate J-8690. Compress
springs. Install piston apply rod
and washer through hole in press
plate and install retainer pin.
CAUTION: BEFORE RELEAS-
ING RAM MAKE CERTAIN RE-
TAINER RING IS PROPERLY
INSTALLED.
Install low servo piston seal. See
Figure 5-181.
5 - 1 8 DISASSEMBLY,
INSPECTION, AND
THE REASSEMBLY
OF THE OIL PUMP
a. Disassembly
1. Remove the two (2) hook type
oil sealing rings from pump hub.
See Figure 5-182.
2. Remove pump cover to for-
ward clutch drum thrust washer.
See Figure 5-183.