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 TM 55-1905-219-14-10
5-5. MARINE GEAR MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
INSTALLATION
b. Checking Marine Gear Flange. Bolt a
thousandths indicator or gauge to the
drive spider of the marine gear so that
the indicator is perpendicular to the
face of the marine gear housing and the
indicator stem is riding on the face of
the flange. Rotate the drive spider and
note the face runout of the marine gear
flange. The face runout must not exceed
.017-inch maximum total indicator reading
for the SAE No. 0 flange, or a .013-inch
maximum total indicator reading for the
SAE No. 1 flange.
c.
Checking Marine Gear Pilot Ring. With the
indicator bolted as in Paragraph b above,
adjust the indicator stem so that it will
ride on the pilot surface of the flange.
Rotate the drive spider and note the pilot
surface runout must not exceed .010-inch
for the SAE No. 0 flange, or .008-inch for
the SAE No. 1 flange. This applies to a
continuous 270-degree arc if the balance
of the pilot surface is negative in read-
ing; otherwise, it means all 360-degrees.
5-142
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