Troubleshooting - Cub Cadet D 21 Manual

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Troubleshooting

Danger
Injury hazard if engine is started inadver-
tently
Protect yourself against injury. Before all work on
this device.
- Switch off the engine.
- Withdraw the ignition key.
- Actuate the parking brake.
Problem
Starter does not turn.
Starter turns but engine does not
start.
Engine producing smoke.
Strong vibrations.
Cutter deck does not discharge
grass or cuts unevenly.
Engine is running, cutter deck
is not mowing.
18
Possible cause(s)
Safety locking system has
actuated.
Battery not connected correctly.
Discharged or low battery.
Fuse has tripped.
Loose earth cable between
engine and frame.
Choke and throttle in wrong
position.
Carburettor not receiving any
fuel, fuel tank empty.
Defective or dirty spark plug.
No ignition spark.
Too much oil in engine.
Engine defective.
Damaged blade shaft or defec-
tive cutter.
Engine speed too low.
Travelling speed too high.
Cutting blade is blunt.
V-belt torn.
- Wait until all moving parts have come to a stand-
still; the engine must have cooled down.
- Pull the spark plug connector off the engine so
that the engine cannot inadvertently start.
Faults which occur while you are using your mower
often have simple causes which you should know
and may be able to rectify yourself. If you are in any
doubt however, your specialist workshop will be
happy to provide assistance.
Remedy
To start the engine, sit on the driver's seat,
fully depress brake pedal or apply parking
brake. Switch off the cutting mechanism.
Attach grass catcher together with dis-
charge channel or discharge flap or mulch
locking part.
Connect red cable to the (+) battery termi-
nal and black cable to (–) battery terminal.
Charge the battery.
Replace fuse. If the fuse blows repeatedly,
determine the cause (usually a short-cir-
cuit).
Connect earth cable.
Pull out choke.
Move throttle to
Top up with fuel.
Check spark plug; see engine manual.
Arrange for the ignition to be checked in a
specialist workshop.
Switch the device off immediately.
Check engine oil level.
Switch the device off immediately. Arrange
for a specialist workshop to check the
engine.
Switch the device off immediately. Defec-
tive parts must be replaced by a specialist
workshop.
Increase throttle.
Set to a lower travelling speed.
Arrange for a specialist workshop to sharp-
en or replace the blade.
The V-belt must be replaced in a specialist
workshop.
Troubleshooting
.