Installation Of Front Pump And Front Drive Gear; Disassembly. Inspection And Assembly Of Governor And Rear Pump Assembly - Cadillac 54-6219 1954 Shop Manual

14-33
HYDRA-MATIC DRIVE
7. Inspect guide rings for flatness. Place rings
inside rotor and replace if they bind in any position.
8. Inspect pump bushing for scores or flaking.
Slight wear of bushing is permissible. If bushing
shows excessive wear on one side, it is an indi
cation that either the bushing is not concentric
with the cover or the locating bore in the rear
flywheel housing is not aligned with the crankshaft
bore in the crankcase.
9. Check small rotor drive key for wear or
looseness in rotor or front unit drive gear.
10. Inspect all passages for obstruction.
11. Check freedom of front pump relief valve in
pump body bore. Valve should be free to travel the
depth of the bore.
c.
Assembly
1. Install new seal in pump cover with step side
up. Drive seal into place, using
Tool
No.
J-1776-A
with adapter A2.
2. Install pump relief valve, spring and guide in
pump
body.
Compress relief valve spring and in
stall retaining pin.
3. Install new intake pipe rubber "0' ring seal
in pump body using a small screwdriver.
4. Install priming springs and slide in pump
cover.
CAUTION: Be sure spring is located prop
erly by moving slide against it until slide bot
toms against the lower stop in cover.
5. Install lower vane ring in pump cover.
6. Install rotor with marked face up.
7. Install seven vanes in rotor slots. Make cer
tain vanes fit between guide ring and slide.
NOTE: Check edges of vanes for wear pat
tern. One edge will be polished full length
--
this edge should face the slide.
8. Position
upper
vane guide ring on rotor,
centering it between vanes.
9. Lubricate internal parts of pump cover with
flydra-Matic fluid.
10. Place pump body over dowel pins in pump
cover. Pump body should fit freely on dowel pins.
11. Assemble pump body to pump cover with
four attaching screws, using new washers. Tighten
to 12-15 ft. lbs. torque
12. With pump completely assembled, move
rotor by hand to be sure rotor, vanes, and slide
are
free.
Be sure priming springs will return slide
after springs are compressed.
13. Assemble front unit drive gear to the front
pump, aligning key on front unit drive gear with
slot in pump rotor. DO NOT FORCE PUMP ON
DRIVE GEAR UNDER
ANY CIRCUMSTANCES.
19 Installation of Front Pump and
Front Drive Gear
1. Position bronze thrust washer over intermedi
ate shaft, against front carrier.
2. Position front oil pump "0" ring seal in case.
3. Install front pump and front unit drive gear
assembly over intermediate shaft.
Align locating
counterbore in pump cover with counterbore in
case.
4. Install pump cover locating washer in counter-
bore.
5. Install two front pump attaching bolts and
tighten to 10-13 ft. lbs. torque.
6. Install the bronze, then steel thrust washer
over intermediate shaft, against front end of front
unit drive gear. These washers were tied together
during disassembly.
7. Install snap ring holding thrust washers in
place.
20 Disassembly, Inspection and
Assembly of Governor and
Rear Pump Assembly
a. Disussembly
1. Mark edge of governor body and drive flange
if not previously marked so that they may be
reinstalled in original position.
2. Remove two screws and lock washers holding
governor
body
to governor drive flange. Remove
governor assembly from drive flange. Fig. 14-53.
3. Carefully remove four governor oil seal rings
from governor body.
4. Remove Cl and G2
stop plates.