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HYDROJET ASSEMBLY REPAIR INSTRUCTIONS - TWO STAGE IMPELLER SECTION (cont) - TM-5-1940-277-34_595
HYDROJET ASSEMBLY REPAIR INSTRUCTIONS - TWO STAGE IMPELLER SECTION (cont) - TM-5-1940-277-34_597
TM-5-1940-277-34 Boat Bridge Erection Twin Jet Aluminum Hull Model USCSBMK1 (1940-01-105-5728) Manual
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TM 5-1940-277-34
HYDROJET ASSEMBLY REPAIR INSTRUCTIONS - TWO STAGE IMPELLER SECTION
(Continued)
LOCATION
ITEM
ACTION
REMARKS
DISASSEMBLY
1.
Hydrojet
a.
Rear shaft
a.
Hold drive
Use strap wrench
assembly
nut (2),
flange loca-
to hold flange.
shaft (1)
washer (3)
ted at other
end of shaft
and unscrew.
b.
Remove.
Use 30 mm socket
and
ratchet
.
b.
Rear
Slide off shaft.
impeller (4)
c.
Key (5)
Remove.
d.
Rear
Slide off shaft.
impeller
cone (6)
2.
Front reaction
Wear measure-
Measure clear-
Use feeler gage.
case (10)
ment
ance between tip
of impeller blade
and case. Should
be not greater
than .0591 inch
(1.5 mm). Replace
impeller and case
if clearance too
great.
3.
Intake case (7)
a.
8 nuts (8)
Remove.
Use 12 mm wrench.
and 8 washers
(9) securing
front reaction
case (10) to
intake case (7)
3-167
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