New Holland CX720 Repair Manual page 2817

Motor - Install (D.14.E.28 - F.10.A.15)
1. Before installing the wheel motor and C-frame back
onto the combine, check the bushing and seals for
the top and bottom steering pins. If the bushings
and/or seals are damaged or worn excessively, re-
fer to Steering knuckle - Overhaul (D.12.A.69 -
F.10.A.40).
NOTE: The plastic side of the thrust washer should face the
wheel motor environmental seal when installed properly.
2. For wheel motors with the serial number 23326U or
below, replace the steering pin environmental seal
(1) in the top and bottom of the steering motor. In-
spect the steel washer (3) and thrust washer (2) in
the C-frame. When installing the thrust washer and
steel washer, use a thin layer of petroleum jelly to
hold the washers in place.
3. For wheel motors with the serial number 23327 or
above, replace the steering pin environmental seal
(1) in the top and bottom of the steering motor. In-
spect the seal cover (2) and the thrust washer (3)
Place the environmental seal (1) the thrust washer
(3) and the seal cover (2) over each end of the wheel
motor.
NOTE: The plastic side of the thrust washer should face the
wheel motor environmental seal when installed properly.
4. Attach two bolts into each side of the wheel motor
and connect a chain or lifting strap to the bolts. Sup-
port the wheel motor with a hoist or lift.
Maneuver the wheel motor to the C-frame so that the
holes for the steering pins in the C-frame and the
wheel motor are aligned.
NOTE: Be sure that the wheel motor is properly oriented
top-bottom.
TRAVELLING - 2WD-4WD SYSTEM Hydrostatic
2 4/7/2006
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