Murray Parklander2690997 Operator's Manual page 27

4. Check the blade(s). Keep a sharp edge on the blade(s).
A blade that is not sharp will cause the tips of the grass
to become brown.
5. (Figure 11) Disconnect the blade drive spring (B) from
the blade control rod (A). Move the blade drive spring
(B) to the middle hole (D). This will increase the ten-
sion on the mower drive belt.
6. Attach the wire to the spark plug. Mow for a short
distance and again check the quality of cut. If
necessary, move the blade drive spring (B) to the
bottom hole (E).
7. Again check the quality of cut. If the quality of cut has
not improved, replace the mower drive belt. See "How
To Replace The Mower Drive Belt". If replacing the belt
does not correct the problem, take the unit to an auth-
orized dealer for service.
NOTE: (Figure 11) If you replace the mower drive belt, move
the blade drive spring (B) to the top hole (C).
IMPORTANT: When you move the blade rotation control to
the DISENGAGE position, all movement should stop within
five seconds. If there is move ment of the belt or the blades
continue to ro tate, take the unit to an authorized dealer for
service.
How To Check And Adjust The Drive Brake - Gear Drive
Models (Figure 13)
Completely push the clutch/brake pedal forward. Set the
parking brake. Move the shift lever to the neutral (N)
position. Push the unit. If the rear wheels rotate, adjust the
drive brake (A) as follows.
1. The location of the drive brake (A) is on the right side
of the gearbox (C).
2. Make sure the parking brake is set and the shift lever
is in neutral (N). Turn the hex nut (B) 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 hex nut (B) 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 (A) is correctly adjusted.
Release the parking brake.
WARNING: If you cannot correctly adjust the drive
brake, take the unit to an authorized dealer for
service.
How To Check And Adjust The Drive Brake - Hydro-Drive
Models (Figure 13, 19)
(Figure 19) Set the parking brake. Move the au tomatic drive
disconnect (A) to the PUSH position (C). Push the unit. If
the rear wheels rotate, adjust the drive brake as follows:
1. (Figure 13) The location of the drive brake (A) is on the
right side of the gearbox (C).
2. (Figure 19) Make sure the parking brake is set and the
automatic drive disconnect (A) is in the PUSH position
(C).
3. (Figure 13) Turn the hex nut (B) in a clock wise
direction until the rear wheels do not turn when the unit
is pushed forward.
4. Release the parking brake and push the unit. If the
unit does not roll, turn the hex nut (B) in a counter-
clockwise direction until the unit rolls.
5. Set the parking brake. Push the unit. If the rear wheels
do not turn, the drive brake (A) is correctly adjusted.
Release the parking brake.
WARNING: If you cannot correctly adjust the drive
brake, take the unit to an authorized dealer for
service.
Maintenance Free Battery
How To Remove The Battery (Figure 4)
To charge or clean the battery (A), remove the battery (A)
from the unit as follows.
WARNING: To prevent sparks, dis connect the black
battery cable (H) from the negative (-) terminal
be fore you disconnect the red cable (E).
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 (H) from the negative (-)
terminal.
2. Disconnect the red cable (E) from the posi tive (+)
terminal (D).
3. Lift the battery tray (C) and the battery (A) out of the
unit.
Maintenance
27