TM 5-3805-281-24-2
Mechanical Drive Elements
REMOVE AND INSTALL SWING GEARBOX
CAUTION: The hydraulic oil tank is pressurized.
High pressure release of oil from pressurized
system can cause serious burns or penetrating
injury. Release pressure from tank by loosening
vent plug. It is not necessary to remove vent
43
plug.
4350
5
NOTE: Swing motor, brake, and gearbox are removed as
one unit, but motor and brake may be removed
separately.
A--Vent Plug
1. Loosen vent plug (A) to release air pressure from
hydraulic oil tank.
2. Pull a vacuum in hydraulic oil tank using a vacuum
pump or drain hydraulic oil tank. Approximate capacity
is 159 L (42 gal).
Continued on next page
CED,OUOE027,257
1919MAY981/3
