R21 Maintenance
49
Clean Battery Terminals
Frequency: Yearly
The battery comes sealed and is maintenance
free, so the electrolyte level will not need to be
checked or lled. Annually the battery terminals
need to be inspected and cleaned.
1. With the engine turned off and the key
removed from the ignition, raise the seat panel
for access to the battery.
2. Inspect the battery terminals. If the terminals
are corroded, remove the battery from the
mower by disconnecting the negative (black)
terminal rst.
3. Using a wire brush, remove the corro sion with
a solution of one part baking soda and four
parts water. Rinse with clean water. Coat
the terminals with petroleum jelly or terminal
protector spray to retard further corrosion.
4. Reinstall the battery and make sure it is se-
curely installed in place. Reconnect the termi-
nal starting with the positive (red) terminal rst.
If the mower will not be used for an extended time,
see the section “Long-Term Storage Preparation”
for tips to protect the battery.
Long-Term Storage Preparation
Frequency: For storage of longer than two (2)
months
At the end of the mowing season, the mower
should be serviced and prepped for storage to
protect the equipment from damage.
Mower Preparation for Storage
1. Thoroughly clean the mower and deck by
removing all grass and dirt. Use a blower or a
low pressure wash to perform this step.
IMPORTANT If using water to clean your
machine, avoid using excessive water. It can
damage the electronics or the engine. Only
use a pressure washer to clean the under-
side of the deck.
2. Perform any yearly maintenance tasks that
have not already been completed.
3. Check for any worn or damaged parts and
order replacements from your dealer.
4. Lubricate the greasing ttings and oil points
using the details provided in the section
“Lubricate Grease Fittings and Oil Points” on
page 39.
5. Disconnect the battery starting with the nega-
tive (black) battery terminal and remove it from
the mower. Store the battery in a cool, dry
location where it won’t be exposed to freez-
ing temperatures. If your mower is stored in a
climate controlled environment, you can leave
the battery installed but disconnected.
IMPORTANT: Always keep the battery fully
charged to prevent damage especially if it may
be exposed to freezing temperatures.
6. Complete the following “Engine Preparation
for Storage” on page 50.
7. Store the mower in a clean,dry environment.
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