TM 5-3805-280-24-1
CAUTION: The approximate weight of ring gear,
drum, and sprocket is 140 kg (310 lb).
Ring Gear, Drum, and Sprocket--Specification
02
Weight................................................................................. 140 kg (310 lb)
0250
13
12. Remove ring gear, drum, and sprocket (A) as an
assembly using lifting brackets, such as JT01748
Lifting Brackets, lifting strap, and hoist.
Outer roller bearing (B) cone is a press fit on propel
motor (C) housing.
IMPORTANT: Metal face seals can be reused if they
are not worn or damaged. A used seal
must be kept together as a set because
of wear patterns on seal ring face.
13. Remove seal rings (E) and O-rings (D). Always keep
seal rings together as a matched set with metal faces
together to protect surfaces.
14. Inspect metal face seal. (See procedure in this
group.) For seals that are reused, put a piece of
cardboard between seal rings to protect seal ring
A--Ring Gear, Drum, and Sprocket
face.
B--Outer Roller Bearing
C--Propel Motor
15. Remove inner roller bearing (F) cone and cups only if
D--O-Ring (2 used)
replacement is necessary. Bearing cone and cups are
E--Seal Ring (2 used)
F--Inner Roller Bearing
a press fit.
Continued on next page
TX,02,UU3672
1918SEP9810/11
12-12