Troubleshooting - Murray MP500 Manuel De L'opérateur

How To Order Replacement Parts
Use only manufacturer's authorized or approved replacement
parts. Do not use attachments or accessories not specifically
recommended for this product. In order to obtain proper
replacement parts you must supply the model number which
is located on the product nameplate.
When ordering the following information is required:
Model Number
S
Serial Number
S
Part Number
S
Quantity
S
If you are not able to get parts or service in the manner given
above, then contact:
Briggs & Stratton UK Ltd
Road Four, Winsford Industrial Estate, Winsford, Cheshire,
CW7 3QN
United Kingdom
www.BRIGGSandSTRATTON.COM

Troubleshooting

The Engine will not start.
1. Make sure the fuel tank is filled with clean petrol. Do not
use old petrol.
2. On a cold engine, push the primer button (optional on
some models) five times.
3. Make sure the wire for the spark plug is connected to the
spark plug.
4. Adjust the carburettor. See the Operator's Manual for the
engine.
5. There is too much petrol in the engine cylinder. Remove
and dry the spark plug. Pull the recoil starter handle sev-
eral times. Install the spark plug. Connect the wire to the
spark plug. Start the engine.
6. The engine is difficult to start in heavy or high grass. Move
the mower to a clean dry surface.
7. Make sure the engine stop lever is in the operating posi-
tion.
8. Make sure the fuel valve is in the ON position. See the
Operator's Manual for the engine.
The Engine will not stop.
1. Release the engine stop lever.
2. Check the engine stop cable. Replace the cable if bent or
damaged.
10
The Engine performance is bad.
1. Check the height of cut settings. Raise the height of cut if
the grass is high.
2. Check the bottom of the blade housing. Clean the blade
housing of grass and other debris.
3. Check the wire to the spark plug. Make sure the wire is
connected.
4. Clean the engine cooling fins of grass and other debris.
5. Check the carburettor adjustments. See the Operator's
Manual for the engine.
6. Check the spark plug gap. Set the spark plug gap at 0.76
mm (0.030 in).
7. Check the amount of oil in the engine. Fill with oil if neces-
sary.
8. Check the engine air cleaner. See the Operator's Manual
for the engine.
9. The petrol is bad. Drain and clean the fuel tank. Fill the
fuel tank with clean petrol.
Excessive Vibration.
1. The blade is not balanced. Remove the blade and replace
with a factory replacement blade.
2. Check for a bent or broken blade. A damaged blade is
dangerous and must be replaced.
3. Check the blade adapter. Replace a broken blade adap-
ter.
4. If the vibration continues, take the mower to an authorized
service centre.
The grass will not discharge correctly.
1. Clean the bottom of the mower housing.
2. Check for a badly worn blade. Remove and sharpen the
blade. For safety, replace the blade every two years with a
factory replacement blade.
The grass is not cut even.
1. Check the height adjustment at each wheel. The height
adjustment must be the same for each wheel.
2. Make sure the blade is sharp.
3. Check for a bent or broken blade. A damaged blade is
dangerous and must be replaced.
4. Check for a broken blade adapter. Replace a broken
blade adapter.
5. Move the throttle control (if equipped) to the fast or start
position.
6. Check the throttle control (if equipped). Make sure that the
throttle control is not in the choke position.
7. Move the throttle control (if equipped) to the fast position.
Check the speed of the engine according to the Opera-
tor's Manual for the engine.
BRIGGSandSTRATTON.COM