VII. SERVICE AND MAINTENANCE LUBRICATION

Leg Bearings

Hagie 204SP leg assemblies 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. There are grease zerks located on the sides of the leg assemblies, one for the upper bearing (fig. 7.29, item 1) and two for the lower bearing (fig. 7.29, item 2). Greasing bot h bearings on both front and rear legs daily is very important.

During operation of the detasseler, the grease may possibly be wiped off by passing crop leaves, so the bearings should be greased at least twice a day. Suggested times are in the morning and at noon. If the crop is mature enough, or plant population is high enough, more frequent leg bearing grease application may be required. This will ensure proper lubrication allowing optimal performance.

Torque Hub ® Seal Boot

Each leg has a seal boot located between the wheel motor and Torque Hub®. Seal boot grease zerks (fig. 7.29, item 3) should be greased once every 50 hours or as needed. An over-greased seal boot will leak some grease out around the seal and when heated may cause the appearance of a failed wheel motor leaking hydraulic fluid. Wipe off any excess grease after servicing.