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Maintenance, How to check and adjust the drive brake, Maintenance free battery – Murray 425620x92A User Manual

Page 25

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MAINTENANCE

25

F–040729L

HOW TO CHECK AND ADJUST THE DRIVE BRAKE

Completely push the brake pedal forward. Set the parking brake.

Move the automatic drive disconnect to the PUSH position. Push

the unit. If the rear wheels rotate, adjust or replace the brake pads.

Adjust the drive brake as follows.
1. The location of the drive brake is on the right side of the

gearbox (Figure 20).

2. Make sure the parking brake is set and the automatic drive

disconnect is in the PUSH position. Turn the brake adjustment

nut in a clockwise direction until the rear wheels do not turn

when the unit is pushed forward.

3. Release the parking brake and push the unit. If the unit does not

roll, turn the brake adjustment nut in a counterclockwise

direction until the unit rolls.

4. Set the parking brake. Push the unit. If the rear wheels do not

turn, the drive brake is correctly adjusted. Release the parking

brake.

Figure 20

Drive Brake

Brake Adjustment Nut

Gearbox

MAINTENANCE FREE BATTERY

HOW TO REMOVE THE BATTERY

To charge or clean the battery, remove the battery from the unit as

follows.

WARNING: To prevent sparks, disconnect the black

battery cable from the negative (–) terminal before you

disconnect the red cable.

WARNING: The battery contains sulfuric acid which is

harmful to the skin, eyes and clothing. If the acid gets

on the body or clothing, wash with water.

1. Disconnect the black cable from the negative (–) terminal

(Figure 21).

2. Disconnect the red cable from the positive (+) terminal.
3. Lift the battery tray and the battery out of the unit.

HOW TO CLEAN THE BATTERY

1. Remove the battery.
2. Wash the battery with a solution of one gallon of water and four

tablespoons of baking soda (sodium bicarbonate). Make sure

the solution does not get into the battery cells.

3. Clean the terminals and the ends of the cables with a wire

brush.

4. Install the battery.
5. To prevent corrosion, apply grease to the battery terminals.

HOW TO CHARGE THE BATTERY

WARNING: When you charge the battery, do not

smoke. Keep the battery away from any sparks. The

fumes from the battery acid can cause an explosion.

1. Before you charge the battery, remove the battery.
2. To charge the battery, use a 12 volt battery charger. Charge at

a rate of 6 amperes for 1 hour.

3. Install the battery.

WARNING: To prevent sparks, fasten the red cable to

the positive (+) terminal before you connect the black

cable.

4. Fasten the red cable to the positive (+) terminal with the fas-

teners as shown.

5. Fasten the black cable to the negative (–) terminal with the fas-

teners as shown.

Positive (+)

Terminal

Black Cable

Red Cable

Battery Tray

Battery

Figure 21

Carriage Bolt

Wing Nut

Carriage Bolt