New Holland CX720 Repair Manual page 2731

Axle Central - Overhaul (D.12.A.40.01 - F.10.A.40)
1. The purpose of the axle center section is to attach
the wheels to the combine and provide a center pivot
allowing the combine to run over rough terrain with
minimal movement of the machine. The center sec-
tion is also a mounting point for the two power steer-
ing cylinders used for directional control.
The following maintenance action, "Center Section
Adjustment/Repair", is referred from 2WD-4WD
SYSTEM Hydrostatic
G.40.A.20) if the mounting point for the axle must
be changed. Steps are provided for removal of the
axle extensions, moving the axle mounting point,
and replacement of the bushings and seals.
complete the maintenance action after adjustment
or repair of the center section is finished, proceed to
, HDASA/PRA Adjustment, to install the extensions,
tie rod and steering cylinders in their proper places.
If using traction tire size 68-50.00x32-16PR-STG-XT,
the axle center section must be mounted at the bot-
tom hole. All other tire sizes require the center sec-
tion to be mounted at the top hole.
2. Center Section Adjustment/Repair
Raise the combine with the proper sized jack. Sup-
port the weight of the combine with jack stands posi-
tioned under the center axle section. Remove both
tires from the combine. Detach the tire rod (1) and
steering cylinders (2), from both sides.
3. If removing a powered rear axle extension, label, dis-
connect and plug the three hydraulic lines (1) at each
element.
TRAVELLING - REAR AXLE
- Testing (D.14.E
2 4/7/2006
D.12.A / 3
-
To
1
10010489_1006
2
10010514