Zetor HORTUS HS Series Operator's Manual page 132

TROUBLE
Engine The engine produces
white smoke
The engine produces
black smoke
The engine does not
produce sufficient power
The oil warning lamp
comes on during driving
TROUBLE
Engine The oil warning lamp comes
on during driving
The charge warning lamp
comes on during driving
TROUBLESHOOTING
PROBABLE CAUSE
Clogged air cleaner

Excessive engine oil amount

Insufficient fuel supply amount

Low quality fuel

Excessive fuel amount delivery

Insufficient nozzle pressure

Clogged or carbonon nozzle tip

Insufficient compression or gas

leak from valve seat
Improperly adjusted valve

clearance
Incorrect injection timing

Low fuel level

Clogged air cleaner

Low engine oil level

Low viscosity of engine oil

Faulty pressure switch

PROBABLE SOLUTION
CAUSE
Defective oil Have it repaired by workshop
pump
Clogged oil filter Replace the oil filter
element
Defective wiring Check for loose or missing terminal, short circuit
and poor ground and repair as necessary
Defective Have it repaired by workshop
alternator
Defective battery Replace the battery
Damaged fanbelt Replace the belt
SOLUTION
Check and cleanit

Check and set it to the

proper amount
Have it repaired by

workshop
Add the specified fuel

Have it repaired by

workshop
Have it repaired by

workshop
Have it repaired by

workshop
Have it repaired by

workshop
Have it repaired by

workshop
Have it repaired by

workshop
Add fuel

Clean the element

Add to the specified

level
Change engine oil with

proper viscosity
Replace the switch

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