Yazoo/Kees KKFW48171 - Manual (Page 18)

18
TROUBLE SHOOTING
PROBLEM POSSIBLE CAUSES
Engine won’t start
Mower will not move
or moves slowly or hard
1. Blade switch engaged.
2. Drive levers not locked in thumb latches.
3. Fuel valve closed or turned to empty tank.
4. No fuel.
5. Spark plug wires off.
6. Bad spark plugs.
7. Blown fuse
1. Pump bypass valves open.
2. Pump drive belt loose or off.
3. Hydraulic system failure.
4. Air in the hydraulic system.
Blades won’t engage
Uneven cut
Cut is ragged
Mower moves when
in neutral position
Mower pulls left or right
When a problem occurs, do not overlook the simple causes.
1. Tire pressure uneven.
2. Motion control linkage adjustment.
3. Soft terrian.
4. Slope too steep.
5. Tracking not adjusted.
1. Motion control linkage out of adjustment.
2. Pump arms loose or out of adjustment.
1. Blades dull.
2. Ground speed too fast.
3. Grass accumulation under deck.
1. Tire pressure uneven.
2. Blades bent (check tip to tip one blade thickness)
3. Air foil of blade worn or bent.
1. Blade belt off of pulleys.
2. Blown fuse.