Drum Propel Motor
(CS-433C & CP-433C)
Remove & Install Drum Propel Motor
(CS-433C & CP-433C) 4351-010
At operating temperature, the hydraulic oil tank is hot and
under pressure. Hot oil can cause burns. Remove the fill
cap on the hydraulic oil tank only when the engine is
stopped, and the fill cap is cool enough to touch with your
Drain the hydraulic oil from the hydraulic oil tank into a
suitable container. The capacity of the hydraulic oil tank
is 72 liters (19 U.S. gal).
Drain the oil from the drum gear reducer into a suitable
container. The capacity of the drum gear reducer is 2.4
liters (0.62 U.S. gal).
Disconnect four hose assemblies (1) from drum propel
motor (2). Cap and plug immediately.
Remove two bolts (3), and use two persons to remove
drum propel motor (2) from the drum gear reducer. The
weight of the drum propel motor is 30 kg (66 lb).
Remove the O-ring seal from the drum propel motor.
Check the O-ring seal for damage or wear and replace if
NOTE: For installation of the drum propel motor, reverse
the removal steps.
NOTE: After the drum propel motor has been installed,
fill the drum gear reducer and hydraulic oil tank
with oil to the correct levels. See the Operation &
Maintenance Manual for the correct procedures.