Murray 385048x151A Operator's Manual page 18

Maintenance
12. Attach the wire to the spark plug. Mow for a short
distance and again check the operation of the
blade rotation control.
13. When you move the blade rotation control to the
DISENGAGE position, all movement will stop
within five seconds. If there is movement of the
belt or the blades continue to rotate, engage and
disengage the blade rotation control five times to
remove any excess rubber from a new mower
drive belt. If you need assistance, take the unit to
an authorized service center.
14. If you replace the mower drive belt, move the
blade drive spring (2) to the top hole (3) (see
Figure 9).
Adjust the Shift Lever
If the NEUTRAL position on the shift lever does not
match neutral on the gearbox, adjust the shift lever as
follows.
1. Stop the engine.
2. Disconnect the adjuster nut (2) from the shifter
bracket (3) (see Figure 18).
3. Make sure the shift lever is in the NEUTRAL
position.
4. Push the unit forward. Make sure the gearbox is in
neutral.
5. To align the adjuster nut with the hole in the
shifter bracket, turn the adjuster nut.
6. Connect the adjuster nut to the shifter bracket.
7. Make sure the NEUTRAL position on the shift lever
matches neutral on the gearbox.
Check and Adjust the Clutch
If the motion drive belt is loose, the clutch will slip
when; going up a hill, pulling a heavy load, or the unit
will not move forward. Adjust the clutch as follows.
WARNING
Before you make an inspection, adjustment, or
repair to the unit, disconnect the wire to the spark
plug. Remove the wire from the spark plug to
prevent the engine from starting by accident.
1. Check the routing of the motion drive belt. Make
sure the belt is installed correctly and is inside all
the belt guides.
18
6
3
2
1
5
2. Remove the cotter pin (1), washer (2), and brake
spring (3) from the adjustable nut (4) (see Figure
11).
3. Disconnect the adjustable nut from the brake
lever assembly (5) and the parking brake latch (6).
4. Align the hole in the brake lever (5) with the hole
in the frame. Hold the brake lever in place with a
6 mm pin or bolt (7).
5. Pull the clutch rod forward until tight. Turn the
adjustable nut until the nut will fit through the
hole in the brake lever.
6. Assemble the adjustable nut to the parking brake
latch, brake lever and brake spring. Fasten with
the washer (2) and cotter pin (1).
7. Remove the 6 mm pin or bolt.
8. If the belt still slips after the clutch has been
adjusted, then the motion drive belt is worn or
damaged and must be replaced. See "Replace the
Motion Drive Belt."
Check and Adjust the Drive Brake
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, ad-
just or replace the brake pads. Adjust the drive brake
as follows.
1. The location of the drive brake (1) is on the right
side of the gea rbox (3) (see Figure 12).
2. Make sure the parking brake is set and the shift
lever is in neutral (N). Turn the hex nut (2) in a
clockwise direction until the rear wheels do not
turn when the unit is pushed forward.
en
4
7
Figure 11