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21 -88
TRANSMISSION-TORQUEFLITE
Fig. 81-Staking
Front Pump Bushing
port assembly.
(1) Assemble the remover Tool SP-3631, the cup
Tool SP-3633, and the hex nut Tool SP-1191 (Fig. 82).
CAUTION:
Do not clamp any part of the reaction
shaft or support in a vise.
(2) With the cup held firmly against the reaction
shaft, thread the remover into the bushing as far as
possible by hand.
(3) Using a wrench, screw the remover into the
bushing 3 to
4
additional turns to firmly engage the
threads in the bushing.
(4)
Turn the hex nut down against the cup to pull
the bushing from the reaction shaft. Thoroughly
clean the reaction shaft to remove the chips made by
the remover threads.
(5) Lightly grip the bushing in a vise or with pliers
and back the tool out of the bushing. Be careful not
to damage the threads on the bushing remover.
REACTION SHAFT
SHAFT SUPPORT
6 2 X 345
Fig. 82-Replacing
Reaction Shaft Bushing
.&a
ALIGNING TOOL
N Y
387
I
PUMP
ROTORS
Fig. 83-Assembling
Front Pump and Reaction
Shaft
Support
(6) Slide a new bushing on the installing head Tool
SP-3635, and start them in the bore of the reaction
shaft (Fig. 82).
(7) Support the reaction shaft upright on a clean
smooth surface and install the handle Tool SP-3549
in the installing head. Drive the bushing into the
shaft until the tool bottoms.
(8) Thoroughly clean the reaction shaft support
as-
sembly before installation.
Assembly
(1) Place the reaction shaft support in the assem-
bling Tool C-3759, with hub of the support and tool
resting on a smooth surface bench (Fig. 83). Screw
two pilot studs, Tool (2-3283 into threaded holes of
the reaction shaft support flange.
(2) Assemble and place the rotors in center of the
support (Fig. 83).
(3) Lower the pump body over the pilot studs, in-
sert Tool
C-3756 through the pump body and engage
with the pump inner rotor. Rotate the rotors with the
tool to enter the rotors in the pump body, then with
the pump body firmly against the reaction shaft sup-
port, tighten the clamping tool securely.
(4) Invert the front pump and reaction shaft
sup-
port assembly with the clamping tool intact. Install
the support to pump body bolts and tighten to 125
inch-pounds torque. Remove the clamping tool, pilot
studs and the rotor alignment tool.
(5) Place a new oil seal in opening of the front oil
pump housing (lip of seal facing inward). Using Tool
C-3757, drive the seal into the housing until tool bot-
toms.
FRONT OIL PUMP AND REACTION
SHAFT SUPPORT-A-727-A
AND 6
Disassembly
shaft support disassembled.
Figure 84 shows the front oil pump and reaction
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