Operator's Manual

32
Lubrication
The aerator has no grease fittings that must be lubricated.
Important Bearings rarely fail from defects in
materials or workmanship. The most common reason for
failure is moisture and contamination working its way past
the protective seals. Bearings that are greased will rely
upon regular maintenance to purge harmful debris from
the bearing area. Sealed bearings rely on an initial fill of
special grease and a robust integral seal to keep
contaminants and moisture out of the rolling elements.
The sealed bearings require no lubrication or short term
maintenance. This minimizes routine service required and
reduces the potential of turf damage due to grease
contamination. These sealed bearing packages will
provide good performance and life under normal use, but
periodic inspections of bearing condition and seal
integrity should be conducted to avoid downtime. These
bearings should be inspected seasonally and replaced if
damaged or worn. Bearings should operate smoothly with
no detrimental characteristics such as high heat, noise,
looseness or rust weeping.
Due to the operating conditions these bearing/seal
packages are subject to (i.e. sand, turf chemicals, water,
impacts, etc.) they are considered normal wear items.
Bearings that fail due to other than defects in materials or
workmanship are typically not covered under warranty.
Note: Bearing life can be negatively affected by improper
wash down procedures. Do not wash down the unit when
it is still hot and avoid directing high–pressure or high
volume spray at the bearings.
It is not uncommon for new bearings to purge some grease
out the seals on a new unit. This purged grease will turn
black in color due to collection of debris and not due to
excessive heat. It is good practice to wipe this excess
grease from the seals after the initial 8 hours. There may
always appear to be a wet area around the seal lip. This is
generally not detrimental to bearing life, but keeps the
seal lip lubricated.
Coring head bearing replacement is suggested at intervals
of 500 hours. A bearing service kit which covers the
complete coring head is available from your distributor.
Jacking Instructions
When changing attachments, tires or performing
other service, use correct blocks, hoists and jacks.
Make sure machine is parked on a solid level
surface such as a concrete floor. Prior to raising
machine, remove any attachments that may
interfere with the safe and proper raising of the
machine. Always chock or block wheels. Use jack
stands or solid wood blocks to support the raised
machine. If the machine is not properly supported
by blocks or jack stands, the machine may move
or fall, which may result in personal injury.
Caution
Jacking the Front End
1. Set the parking brake and chock the rear tires to
prevent the machine from moving.
Important To prevent wheel motor damage, DO NOT
use front wheel motor as a jacking point.
2. Position the jack securely under the front of the frame
(Fig. 40).
1
Figure 40
1. Frame
3. Jack the front of the machine off the ground.
4. Position the jack stands or hardwood blocks under the
front of the frame to support the machine.