fit of bearings in the mating bores and
NOTE
on shafts. Replace bearings which are
Using old plastic cord (16) as tem-
damaged.
plates, cut new lengths of plastic
cord to fit in the grooves in pump
4. Check all gear teeth and shaft splines
adapters (17). Knead the plastic
for cracks, broken teeth, and twisted
t e e t h . Replace damaged parts.
cords
into
the
appropriate
grooves. Install the plastic cords
so the cut ends will be nearest the
5. Replace snap rings that are worn or
top of case (08) when the adapters
bent.
are installed.
6. Replace all O-rings, seals, gaskets,
and plastic cords when the pump drive is
6. Assemble studs (21) in the tapped
assembled.
h o l e s in the case.
7. Inspect bores for wear, scratches,
7. Align the matchmarks and assemble
grooves and dirt. Remove scratches and
burrs with crocus cloth.
pump adapters (17) with capscrews (18)
onto ball bearings (15). Take care not
to cut plastic cords (16). Apply Loctite
8. Inspect mounting faces for nicks,
burrs, scratches, and foreign matter.
262 to the capscrews and torque to 200
ft-lbs.
9. Inspect threaded openings for
8. Assemble the flange drive to the input
damage. Chase damaged threads with
the correct size tap.
h o u s i n g adapter as follows:
A. Install seal (26) and press bearing
10. Replace the case and/or adapter
housing if cracked.
(25) into adapter housing (27).
B. I n s t a l l s n a p r i n g ( 2 3 ) t h e n i n s e r t
11. Inspect a l l m a c h i n e d s u r f a c e s f o r
the flange drive into the adapter
damage that could cause oil leakage or
housing.
other malfunction of the part.
ASSEMBLY. To assemble the pump
C. I n s t a l l s n a p r i n g ( 2 4 ) i n t o t h e f l a n g e
drive groove.
drive,
proceed
as
follows
(see
9. Insert O-ring (19) into the groove in
the pump adapter.
NOTE
10. Align the splines of the flange drive
Lubricate all parts during assem-
with the splines in the output gear and
bly with the lubricant specified in
insert the adapter housing onto studs
Section I I I.
(21).
11. Apply Loctite 271 to the studs and
1. Press bearings (04, 13 and 15) onto
torque the nuts to 150 ft-lbs.
the gear hubs.
2. Position gear (05) in the bore of the
INSTALLATION. T o i n s t a l l
the
pump
drive, proceed as follows:
case.
1. Raise the pump drive into position be-
3. Place a non-hardening sealant on both
tween the mounting supports. The pump
sides of gasket (03) and install cover
drive weighs approximately 200 Ibs.
(02) to case (08). Apply Loctite 262 to
capscrews (01) and torque to 200 ft-lbs.
2. Install and tighten the mounting cap-
screws and the lockwashers.
4. Turn the case over and install gears
(14) in their proper places so that bail
3. Place the adapter plate between the
bearings (13) seat squarely in the case
universal joint and flange drive (28).
bore.
Install and tighten the attaching hard-
ware.
5. Insert O-rings (19) and plastic cord
(16) into pump drive adapters (17).
4C-3
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