TM 5-1940-277-34
HYDROJET ASSEMBLY REPAIR INSTRUCTIONS-TWO STAGE DRIVE SECTION (Continued)
LOCATION
ITEM
ACTION
REMARKS
c. Replace if
cracked, stepped,
discolored from
overheating or
not thick enough.
12.
Reverse thrust
a. Inspect for
washer (21)
cracks, visible
steps between
used and unused
portion, or
discoloration.
b. Measure washer
Use feeler gage.
thickness.
Thickness
should be .0414
to .0374 inch
(1.05 to 0.95 mm).
c. Replace if
cracked, stepped,
discolored from
overheating or
not thick enough.
13.
Front thrust
a. Inspect for
washer (14)
cracks, visible
steps between
used and unused
portion or
discoloration.
b. Measure washer
Use feeler gage.
thickness.
Thickness
should be not
less than
.3115 inch
(7.91 mm).
3-193
