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 TM 9-2835-255-34
NO. 10 BEARING REPLACEMENT (Sheet 4 of 11)
2. REMOVE GASKET (1) FROM FLANGE OF BEAR-
ING HOUSING (2). DISCARD GASKET (1).
3. INSPECT INTERNAL COMPONENTS OF REDUC-
TION GEARBOX (3). CHECK FOR EXCESSIVE WEAR
OR DAMAGE TO GEAR TEETH. CHECK FOR DEBRIS
IN GEARBOX CAVITY
If any of these conditions exist, reas-
semble reduction gearbox with original
components and replace reduction gear-
box (page 6-17).
4. COVER REDUCTION GEARBOX (3) CAVITY TO
PREVENT CONTAMINATION FROM DIRT OR OB-
JECTS.
5. INSPECT BEARING HOUSING (2), AND SPUR
GEARSHAFT (4) FOR DAMAGE.
a.
Inspect bearing housing (2) for cracks, dam-
aged threads and elongated holes (5). Turn
bearing housing, bearing and spur gearshaft
(6) over and inspect gasket seating area (7)
for damage.
b.
Inspect spur gearshaft (4) for cracks,
scratches, scoring, grooves in preformed
packing seal surfaces, thread damage, and
loose or damaged stud (8).
c.
Inspect teeth (9) of spur gearshaft (4) for cor-
rosion, cracking, spalling, and any red-pur-
ple, purple, or blue discoloration due to over-
heating. Check for heavy end loading wear,
frosting, pitting, scoring, wear or fretting corro-
sion, and deep nicks and scratches on teeth
(9).
LE55107
Go on to Sheet 5
6-55
Change 6
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