Rover 1766 Lawn Mower User Manual


 
TROUBLE SHOOTING
PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION
Engine loses power. 1. Oil level in crank case is low.
2. Cooling fins and air passages under
engine blower housing are blocked.
3. Engine load is excessive.
4. Air cleaner is dirty.
5. Dirt or water is in fuel.
6. Carburettor is adjusted incorrectly.
7. Spark plug is pitted, fouled or defective
in some other way.
1. Add oil to crankcase.
2. Remove obstruction from passage.
3. Select a lower speed to reduce load.
4. Clean air cleaner element.
5. Have machine serviced by an Authorized
Service Dealer.
6. Adjust the carburettor.
7. Install new correctly gapped spark plug.
Engine over heats. 1. Cooling fins and air passages under
engine blower housing are blocked.
2. Carburettor is adjusted incorrectly.
3. Oil level in crank case is low.
4. Engine load is excessive.
1. Remove obstruction from cooling fins and air
passage.
2. Adjust the carburettor.
3. Add oil to crankcase.
4. Select a lower speed to reduce load.
Mower vibrates abnormally. 1. Engine mounting bolts are loose.
2. Loose cutter pulley, idler pulley or drive
pulley.
3. Cutter assembly is unbalanced.
4. Cutter assembly is loose.
1. Tighten mount bolts.
2. Tighten the appropriate pulley.
3. Replace broken blades in set.
4. Tighten securing nut.
Cutter does not rotate. 1. Cutter belt is worn, loose or broken.
2. Cutter drive belt is off pulley.
1. Install new cutter drive belt.
2. Install cutter drive belt.
Mower does not drive. 1. Drive belt is worn, loose or broken.
2. Drive belt is off pulley.
3. Unable to select speed on transaxle.
1. Install new drive belt.
2. Install drive belt.
3. Have machine serviced by an Authorized
Service Dealer.
Engine does not start, hard to
start, loses power, or fails to keep
running.
1. Fuel tank is empty.
2. Speed selector.
3. Cutter drive is engaged.
4. Spark plug is loose.
5. Spark plug lead is loose or disconnected
from spark plug.
6. Spark plug gap is incorrect.
7. Spark plug is pitted fouled or defective
in some other way.
8. Wrong spark plug is used.
9. Electrical connections are loose.
10. Carburettor is adjusted incorrectly.
11. Air cleaner is dirty.
12. Vent hole in fuel tank is plugged.
13. Dirt or water in furl system.
14. Dead battery.
15. Defective points, condenser, ignition
coil, or ignition switch.
16. Module or switch is defective.
1. Fill fuel tank with petrol.
2. Select neutral.
3. Disengage cutter drive.
4. Tighten spark plug.
5. Install spark plug lead on spark plug.
6. Set gap between electrodes at 0.8mm
7. Install new correctly gapped spark plug.
8. Install correct spark plug.
9. Check electrical system to ensure good
contact.
10. Adjust the carburettor.
11. Clean the air cleaner element.
12. Inspect and open vent.
13. Have machine serviced by an Authorized
Service Dealer.
Engine does not idle or idles
poorly.
1. Air cleaner is dirty.
2. Oil level in crank case is low.
3. Cooling fins and air passages under
engine blower housing are plugged.
4. Idle speed is too low or high speed
mixture is incorrect.
5. Dirt or water in fuel system.
6. Vent hole in fuel tank is plugged.
7. Spark plug is pitted fouled or defective
in some other way.
1. Clean air cleaner element.
2. Add oil to crankcase.
3. Remove obstruction from cooling fins and air
passages.
4. Adjust the carburettor.
5. Have machine serviced by an Authorized
Service Dealer.
6. Clean fuel tank vent.
7. Install new correctly gapped spark plug.
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