TM 5-4320-302-14
5-4. PUMP AND BEARING HOUSING ASSEMBLY (CONT)
Location/Item
Action
Remarks
36. Tapered hub
Install tapered hub on shaft, alining keyway in
hub with key on shaft.
37. Flex disc
a. Install flex disc over shaft and onto tapered hub.
b. Install cap screws fingertight.
38. Tapered hub
Using previously recorded dimension, position
and flex disc
tapered hub and flex disc assembly on shaft.
assembly
Secure in place by tightening cap screws in a
cross pattern.
WARNING
Make sure that hoists and other lifting equipment are in
good repair and of sufficient capacity to safely handle
loads without injury to personnel or damage to equipment.
Securely attach lifting equipment. Before lifting, be sure
load is balanced.
39. Pump and
Position a suitable lifting device equipped with a
Spread slings on
bearing hous-
spreader bar and slings over pump and bearing
spreader bar so that
ing assembly
housing assembly. Attach slings around assembly
slings hang vertically
and put tension on slings. Make sure assembly
when attached to
is properly supported.
assembly.
40. Pump and
Lift and remove from
bearing hous-
blocks on work plat-
ing assembly
form. Lower carefully
so that bearing hous-
ing assembly alines
with engine adapter
housing. Aline holes in
flex disc with drive
pins on drive ring, and
pump mounting studs in
pump mounting angle.
When these holes and
pins are alined, slide
pump and bearing hous-
ing assembly toward
engine so that this disc
coupling mates and
engages properly.
NOTE
Alinement of the flex disc and drive ring may be checked
and corrected by viewing through flywheel guard.
5-14
