Attach a suitable lifting bracket and lifting strap to axle
propel pump (22) as shown.
Remove nut and bolt (24) that fastens the pumps to the
Remove two bolts (25), and remove the vibratory pump,
the axle propel pump and the drum propel pump as a
unit from the pump drive. The weight of the vibratory
pump, axle propel pump and drum propel pump as a
unit is 100 kg (220 lb).
Remove two nuts and bolts (27), and separate vibratory
pump (1) from axle propel pump (22).
Remove the two nuts, and remove linkage rod (26) from
drum propel pump (20) and axle propel pump (22).
Remove two bolts (28), and separate drum propel pump
(20) from axle propel pump (22).
Loosen bolt (29), and remove hub (30) from the shaft of
the drum propel pump.
NOTE: When installing hub (30) on the shaft of the drum
propel pump, the dimension from the face of the
hub to the end of the shaft must be 8.0 ± 1.5 mm
(0.31 ± 0.06 in). After the correct dimension has
been obtained, tighten bolt (29) to a torque of 61
N· m (45 lb-ft).
NOTE: For installation of the propel and vibratory pumps,
reverse the removal steps.
NOTE: After the propel and vibratory pumps have been
installed, fill the hydraulic oil tank to the correct
level. See the Operation & Maintenance Manual
for the correct filling procedure.