Murray 405028X51 Operator's Manual page 19

Maintenance
3. Release the parking brake and push the unit. If the
unit does not roll, turn the hex nut (2) in a counter-
clockwise direction until the unit rolls.
4. Set the parking brake. Push the unit. If the rear
wheels do not turn, the drive brake (1) is correctly
adjusted. Release the parking brake.
WARNING
If you cannot correctly adjust the drive brake,
replace the brake pads. Correct replacement parts
and assistance are available from an authorized
service center.
1
3
2
Remove the Battery
To charge or clean the battery (1), remove the battery
from the unit as follows (see F F igure 4).
WARNING
To prevent sparks, disconnect the black battery
cable (8) from the negative (-) terminal before you
disconnect the red cable (5).
WARNING
The battery contains sulphuric 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 (8) from the negative
(-) terminal.
2. Disconnect the red cable (5) from the positive (+)
terminal (4).
3. Lift the battery tray (3) and the battery (1) out of the
unit.
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 (1), remove the
battery (see F F igure 4).
2. To charge the battery, use a 12 volt battery
charger. Charge at a rate of 6 amps 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 (5) to the positive (+) terminal
(4) with the fasteners as shown.
5. Fasten the black cable (8) to the negative (-)
terminal with the fasteners as shown.
Level the Mower Housing
If the mower housing is level, the blade will cut easier
and the lawn will look better.
Figure 12
WARNING
Before you make an inspection, adjustment, or
repair to the unit, disconnect the wire to the spark
plug. Remove the spark plug wire to prevent the
engine from starting by accident.
1. Make sure the unit is on a hard flat surface.
2. Check the air pressure in the tires. If the air
pressure is incorrect, the mower housing will not
cut level. Make sure the tires are inflated to: Front
Tires 0,97 BAR (14 PSI), Rear Tires 0,69 BAR
(10 PSI).
3. Move the lift lever (1) to the lowest cut position (2)
(see F F igure 13).
WARNING
The lifter lever (3) is spring loaded. Make sure the
lift lever (3) is locked in the lowest cut position (2).
en
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