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 TM9-2835-255-34
ACCESSORY GEARBOX CLEANING AND REPAIR (Sheet 25 of 40)
NO. 3 SPUR GEARSHAFT AND BEARINGS REPLACEMENT
9. INSTALL NEW LOCKING CUP (1) AND PLAIN
ROUND NUT (2) ON BEARINGS AND SPUR GEAR
(3). USING SPANNER WRENCH (4), TIGHTEN
PLAIN ROUND NUT (2) BETWEEN 354-434 LB-IN
(40-50 NlM) TORQUE.
a.
Lubricate threads with lubricating oil
b.
Place new locking cup (1) on bearings and
spur gear (3). Screw on and tighten plain
round nut (2) using spanner wrench (4).
Tighten plain round nut (2) between 354-434
(1) into two slots (5) 180 degrees apart using
brass drift and hammer. Do not shear locking
cup (1). If sheared or cracked, replace lock-
ing cup (1).
10. INSTALL NEW STRAIGHT PIN (6) INTO SPUR
GEAR HOLE (7) AND STAKE AT BOTH ENDS.
a.
Turn bearings and spur gear (3) over on
splined shaft (8) of anti-torque plate (9) so
spur gear hole (7) is on top.
b.
Insert new straight pin (8) into spur gear hole
(7) and stake at both ends using punch and
hammer.
Go on to Sheet 26
7-70
Change 6
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