Section 5: Maintenance
WARNING
Before inspecting, cleaning or servicing the machine, shut off engine, wait for moving parts to stop, disconnect spark plug wire and move wire away from spark plug. Remove ignition key (electric start models).
Failure to follow these instructions can result in serious personal injury or property damage.
ATTENTION! This table describes service |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
guidelines only. It does not provide com- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
plete service information. Complete service |
|
|
|
|
|
|
|
|
|
|
|
|
|
| Symptom |
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||
is available from your authorized mower or |
| turnnotdoesEngineover. |
| butoverturnsEnginewill not start. |
| afteronlystartsEnginerepeated tries. |
| roughly.runsEngine |
| fewainstallsEngineseconds. |
| unitbutrunsEnginedoes not move. |
| alwaysdriveWheelengaged. |
| whenstallsEnginehot. |
| overheats.Engine |
| shutnotdoesEngineoff. |
| inoperative.driveBlade |
| alwaysdriveBladeengaged. |
| chargingnotBattery(if applicable). |
| performance.mowingPoor |
| stopnotdoesBladewhen Operator isControlPresencereleased. |
| vibration.Excessive |
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||||||||||
| Possible cause |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||||||||
engine dealer. Before performing any of the |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
corrections in this table, refer to the appro- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
priate information contained in this Manual |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
or the Engine Owner’s Manual for the cor- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
rect safety precautions and operating or |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
maintenance procedures. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
| Troubleshooting Chart |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Engine malfunction (refer to engine manual). |
| • |
| • |
| • |
| • |
| • |
|
|
|
|
| • |
| • |
| • |
|
|
|
|
|
|
|
|
|
|
| • |
| |
Improperly adjusted drive linkage. |
|
|
|
|
|
|
|
|
|
|
| • |
| • |
|
|
|
|
|
|
| • |
| • |
|
|
| • |
| • |
| • |
| |
Dirty engine cooling fins or flywheel screen. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| • |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Faulty ignition. |
| • |
| • |
| • |
| • |
| • |
|
|
|
|
| • |
|
|
| • |
|
|
|
|
|
|
|
|
|
|
|
|
| |
Faulty spark plug. |
| • |
| • |
| • |
| • |
|
|
|
|
|
|
|
|
| • |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Empty fuel tank. |
| • |
| • |
|
|
|
|
| • |
|
|
|
|
| • |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Battery or charging malfunction (if applicable). |
| • |
| • |
|
|
|
|
|
|
|
|
|
|
|
|
| • |
|
|
|
|
|
|
| • |
|
|
|
|
|
|
| |
Improperly adjusted or dirty carburetor. |
|
|
| • |
| • |
| • |
| • |
|
|
|
|
|
|
| • |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Improper oil level. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| • |
|
|
|
|
|
|
|
|
|
|
|
|
| • |
| |
Dirty air cleaner element. |
|
|
| • |
|
|
| • |
| • |
|
|
|
|
|
|
| • |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Improperly adjusted choke (if applicable). |
|
|
| • |
| • |
| • |
| • |
|
|
|
|
|
|
| • |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Transmission malfunction. |
|
|
|
|
|
|
|
|
|
|
| • |
| • |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Improperly adjusted drive linkage. |
|
|
|
|
|
|
|
|
|
|
| • |
| • |
|
|
|
|
|
|
| • |
| • |
|
|
|
|
|
|
| • |
| |
Broken, loose or worn belt(s). |
|
|
|
|
|
|
| • |
|
|
| • |
| • |
|
|
|
|
|
|
| • |
| • |
|
|
| • |
|
|
|
|
| |
Dull blade(s). |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| • |
|
|
| • |
| |
Throttle control out of adjustment. |
|
|
| • |
| • |
|
|
|
|
|
|
|
|
|
|
|
|
| • |
|
|
|
|
|
|
|
|
|
|
|
|
| |
Blade/brake system out of adjustment. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| • |
| • |
|
|
|
|
| • |
|
|
| |
Blade(s) out of balance. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| • |
|
|
| • |
| |
Loose hardware. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| • |
| • |
|
|
|
|
|
|
| • |
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
27
