38 Grassland Mower Hopper 5000 Edition 02.97
6. Troubleshooting
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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 Remedy Page
Engine -Spark plug connector not connected Connect spark plug connector
does not start -Speed control lever not in Move speed control lever to
position CHOKE position “CHOKE” 33
-Fuel tank empty or poor fuel Fill fresh fuel 22
-Fuel line clogged Clean fuel line 33
-Defective spark plug Clean, adjust or exchange spark plug 33
-Engine too much fuel Dry and adjust spark plug and
(“flooded engine”) start at full throttle 33
-Inleaked air due to loose caburetor Tighten attachment bolts 35
and suction line
Misfirings in -Engine running in CHOKE range Move speed control-lever to operating position, 23
engine if necessary, adjust speed control ¬ 34
-Loose ignition cable Fit connector tightly on spark plug
Fix ignition cable retaining device
-Clogged fuel line or poor fuel Clean fuel line, fill fresh fuel 33
-Vent opening in fuel tank cap clogged Exchange fuel tank cap
-Water or dirt in fuel system Drain fuel and fill fresh fuel 33
-Air filter clogged Clean air filter or exchange 32
- Carburetor misadjusted Re-adjust carburetor ¬ 34
Excessive - Low engine oil level Refill oil immediately 31
temperature - Impaired cooling Clean cooling fan grille, 33
in engine clean internal cooling fins ¬ 33
-Air filter clogged Clean air filter 32
- Carburetor misadjusted Re-adjust carburetor ¬ 34
Misfirings -Short firing intervals Adjust spark plug 33
in engine -Incorrect idle mix Adjust carburetor ¬ 34
at high speeds
Engine -Firing interval too long, Adjust or replace spark plug 33
frequently defective spark plug
stalls -Carburetor misadjusted Re-adjust carburetor ¬ 34
in idle -Air filter clogged Clean air filter 32
Engine does -Speed control linkages are Clean speed control 34
not run smoothly clogged or jammed linkages
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