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Warning:
When removing the cables from the battery follow order of the steps to avoid a short
between the wrench and the frame.
REMOVING THE BATTERY
1. Remove the negative (black) cable.
2. Remove the positive (red) cable.
3. Unscrew the two wing nuts from the battery rods.
4. Remove the battery.
INSTALLING THE BATTERY
1. Attach the positive (red) cable.
2. Attach the negative (black) cable.
3. Secure the two wing nuts to the battery rods.
JUMP STARTING THE BATTERY
Warning:
Failure to use this starting procedure can cause sparking, and the gases in the battery to
explode.
1. Attach one end of the red jumper cable to the positive terminal (+) of the good battery.
2. Attach the other end of the red jumper cable to the positive terminal (+) of the bad battery.
3. Attach one end of the black jumper cable to the negative terminal of the good battery.
4. Attach the other end of the black jumper cable to the frame of the unit with the bad battery.
CLEANING THE BATTERY
Clean the battery by removing it from the unit and washing with a baking soda and water solution. If necessary,
scrape the battery terminals with a wire brush to remove deposits. Coat terminals and exposed wiring with grease
or petroleum jelly to prevent corrosion.
BATTERY STORAGE
The battery loses some of its charge each day when the unit is not used. Never store battery without a full
charge. Recharge battery before returning to service or every two months, whichever occurs first. When storing
unit for extended periods, disconnect battery cables. Removing battery from unit is recommended.
TIRES
The two front wheels are caster wheels that are free to swivel to accommodate the direction of the Z-series. The
tires on the caster wheels are made of solid polyurethane that do not require air.
The two rear wheels are used to propel the Z-series in the direction of input from the drive handles. Inflation
pressure of the rear tires is important for stability while the Z-series is in operation. If the tire diameter is not equal
between the two tires, the Z-series will pull to one side.
Use the following guidelines for maintaining the tires:
• Balance inflation pressure between the rear tires to help maintain straight travel (see tire side wall for
proper inflation pressure).
• Keep the valve caps in place and tightened to prevent air pressure loss.
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