80 agria Two-Wheel Tractor 3400; 3400 KL
6. Troubleshooting
W
Observe safety instructions! Have all serious malfunctions on the machine or engine repaired by your
agria workshop. They have the proper tools. Improper repairs can only add to the damage.
Problem Possible cause Possible solution Page
Petrol engine:
Engine - Spark plug connector not connected Connect spark plug connector
does not start - Choke is not pulled Set choke lever to position CHOKE 50
- Engine shut-off switch is set to “0” Set engine shut-off switch to “I” 50
- Fuel tank empty or poor fuel Fill fresh fuel
- Fuel line clogged Clean fuel line BM
- Defective spark plug Clean, adjust or exchange spark plug BM
- Engine too much fuel Dry and clean spark plug and
(“flooded engine”) start at full throttle BM
- Engine-off-line defective Check line and connections
¬
- Inleaked air due to loose caburetor Tighten attachment bolts
and suction line
Misfirings in - Engine running in CHOKE range Set CHOKE lever to operating position 50
engine - Loose ignition cable Fix ignition cable retaining device,
fit connector tightly on ignition cable,
fit connector tightly on spark plug
- Clogged fuel line or poor fuel Clean fuel line,fill fresh fuel
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- Vent opening in fuel tank cap clogged Exchange fuel tank cap
- Water or dirt in fuel system Drain fuel and fill fresh fuel
- Air filter clogged Clean air filter or exchange 65
- Carburetor misadjusted Re-adjust carburetor
¬
BM
Excessive - Low engine oil level Refill oil immediately 64
temperature - Impaired cooling Clean cooling fan grid,
in engine clean internal cooling fins 66
- Air filter clogged Clean air filter 65
- Carburetor misadjusted Re-adjust carburetor
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BM
Misfirings in - Short firing intervals Adjust spark plug 66, BM
engine - Incorrect idle mixture Adjust carburetor
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BM
at high speeds
Engine - Firing interval too long, Adjust or replace spark plug 66, BM
frequently defective spark plug
stalls - Carburetor misadjusted Re-adjust carburetor
¬
BM
in idle - Air filter clogged Clean air filter 65
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