TM 5-1940-277-34
HYDROJET ASSEMBLY REPAIR INSTRUCTIONS-TWO STAGE IMPELLER SECTION (CONTINUED)
LOCATION
ITEM
ACTION
REMARKS
14.
Front reaction
Inspect case for
Normally both
case (10)
wear in impeller
cases would be
action area.
replaced at the
Replace the case
same time.
if groove is
over .0787 inch
(2 mm) deep.
15.
Bearing (19)
a. Inspect bearing
for cracks,
broken needles
or discoloration.
b. Replace if bearing
found damaged.
ASSEMBLY
16.
Intake case (7)
a. Gasket (11)
Smear with grease
and mount.
b. Insulating
Install.
ring (12)
c. Gasket (11)
Smear with grease
and mount.
NOTE
Before next step pack interior cavity of reaction case with grease.
d. Reaction case
Carefully slide
Do not use force
(10)
case assembly
as this could
over shaft into
damage seals. If
positioning
case does not
grease fitting
slide easily work
on top.
seals carefully
over obstruction.
3-175
