
SECTION 8 –
MAINTENANCE AND STORAGE
8-13
SERVICE - LUBRICATION
Leg Bearings
The leg assemblies on your machine are
constructed with upper and lower nylon
bearings for suspension telescoping
between the inner and outer leg weldments.
These bearings must be lubricated to avoid
bearing failure and ensure optimal ride
quality.
Grease Points (zerks) are located on the
sides of the leg assemblies - one on the
upper bearing, and two on the lower bearing.
Refer to following illustration.
NOTE: Grease front and rear leg bearings
daily.
During operation, grease may possibly be
wiped away due to the passing of crop
leaves. Therefore, leg bearings should be
greased a minimum of two (2) times per day
(e.g. morning and noon).
NOTE: If the crop is mature enough or plant
population is high enough, more
frequent leg bearing grease
application may be required to
ensure proper lubrication and
optimal performance.
Torque Hub
®
Seal Boot
Each leg assembly has a Torque Hub
Seal Boot (located between the wheel motor
and Torque Hub). Grease Seal Boot every 50
hours of operation, or as needed.
NOTE: An over-greased Seal Boot will leak
grease out around the seal, and
when heated, may cause the
appearance of a failed wheel motor
leaking hydraulic fluid. Wipe away
any excess grease after servicing.
Tread Adjust Bearing Slide Path
NOTICE
Failure to properly lubricate pivot and
friction points may result in unnecessary
wear and damage.
NOTICE
Mobilgrease XHP
™
222 (complying with
NLGI 2, EP, ISO 220 specifications)
recommended.
NOTICE
Failure to inspect and lubricate the tread
adjust bearing slide path may cause one
of the legs to “hang up” while the other is
still sliding during adjustment. Failure to
comply may result in machine damage.
• (1) Upper
Bearing
Grease
Point
• (2) Lower Bearing
Grease Points
Leg Bearing and Torque Hub
Seal Boot Grease Points
-Typical View
• (1) Seal Boot
Grease Point
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