Rover 5377 - 12HP owner manual Trouble Shooting, Problem Possible Causes Corrective Action

Page 16

TROUBLE SHOOTING

PROBLEM

POSSIBLE CAUSES

CORRECTIVE ACTION

 

 

 

 

Engine loses power

1. Oil level in crankcase in low

1.

Add oil to crankcase

 

2.

Cooling fins and air passages under engine

2.

Remove obstruction from passages

 

 

blower housing are blocked

 

 

 

3.

Engine load is excessive

3.

Select a lower speed to reduce load

 

4.

Air cleaner is dirty

4.

Clean air cleaner element

 

5.

Dirt or water is in fuel system

5.

Have machine serviced by Authorised

 

 

 

 

Service Dealer

 

6.

Carburetor is adjusted incorrectly

6.

Adjust the carburetor

 

7.

Spark plug is pitted, fouled or defective in

7.

Install new correctly gapped spark plug

 

 

some other way

 

 

Engine over heats

1. Cooling fins and air passages under engine

1.

Remove obstruction from cooling fins air

 

 

blower housing are blocked

 

passages

 

2.

Carburetor is adjusted incorrectly

2.

Adjust the carburetor

 

3.

Oil level in crankcase is low

3.

Add oil to crankcase

 

4.

Engine load is excessive

4.

Select a lower speed to reduce load

Mower vibrates abnormally

1. Engine mounting bolts are loose

1.

Tighten mounting bolts

 

2.

Loose cutter pulley, idler pulley or drive

2.

Tighten the appropriate pulley

 

 

pulley

 

 

 

3.

Cutter assembly is unbalanced

3.

Replace broken blades in sets

 

4.

Cutter assembly is loose

4.

Tighten securing nut

Cutter does not rotate

1.

Cutter drive belt is worn, loose or broken

1.

Install new cutter drive belt

 

2.

Cutter drive belt is off pulley

2.

Install drive belt

Mower does not drive

1. Drive belt is worn, loose or broken

1.

Install new drive belt

 

2.

Drive belt is off pulley

2.

Install drive belt

 

3.

Unable to select speed on transaxle

3.

Have machine serviced by Authorised

 

 

 

 

Service Dealer

Engine does not start, hard

1.

Fuel tank is empty

1.

Fill fuel tank with petrol

to start, loses power, or fails

2. Speed selected

2.

Select Neutral

to keep running

3. Cutter Drive is engaged

3.

Disengage Cutter Drive

 

4.

Spark plug is loose

4.

Tighten spark plug

 

5.

Spark plug lead is loose or disconnected

5.

Install spark plug lead on spark plug

 

 

from spark plug

 

 

 

6.

Spark plug gap is incorrect

6. Set gap between electrodes at 0.8mm

 

7.

Spark plug is pitted, fouled, or defective in

7.

Install new correctly gapped spark plug

 

 

some other way

 

 

 

8.

Wrong spark plug is used

8.

Install correct spark plug

 

9.

Electrical connections are loose

9.

Check electrical system to ensure good

 

 

 

 

contact

 

10.

Carburetor is adjusted incorrectly

10.

Adjust the carburetor

 

11. Air cleaner is dirty

11.

Clean the air cleaner element

 

12. Vent hole in fuel tank is plugged

12. Inspect and open vent

 

13. Dirt or water in fuel system

 

 

 

14.

Dead battery

 

 

 

15.

Defective points, condenser, ignition coil,

13.

Have machine serviced by Authorised

 

 

or ignition switch

 

Service Dealer

 

16. Module or switch is defective

 

 

Engine does not idle or idles

1.

Air cleaner is dirty

1.

Clean air cleaner element

Poorly

2. Oil level in crankcase is low

2.

Add oil to crankcase

 

3.

Cooling fins and air passages under engine

3.

Remove obstruction from cooling fins

 

 

blower housing are plugged

 

and air passages

 

4.

Idle speed is too low or high speed mixture

4.

Adjust the carburetor

 

 

is incorrect

 

 

 

5.

Dirt or water is in fuel system

5.

Have machine serviced by Authorised

 

 

 

 

Service Dealer

 

6.

Vent hole in fuel tank is plugged

6.

Clean fuel tank vent

 

7.

Spark plug is pitted, fouled or defective in

7.

Install new correctly gapped spark plug

 

 

some other way

 

 

14

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Contents Ranger Auto Drive Safety Instructions Safety Features Specifications Setting UP Instructions Loose Parts KITAdjusting the Seat Before OperatingControls Fill Crankcase with OILOperating Instructions OIL Change Maintenance Interval ChartSpark Plug Maintenance Carburetor AdjustmentCooling System Throttle ControlBrake Caliper Adjustment Brake ARM AdjustmentCutting Unit Cutting Unit Removal Wheel RemovalCutter Drive Adjustment PAD ReplacementCutterhead Brake Adjustment Parking BrakeDrive Chain Adjustments Auto DriveContinuous Belt Drive Selector PedalHeight of CUT Adjustment Steering RodsCutter Head Tilt Steering StopsSafety and Instruction Decals Circuit Diagram and Spares DescriptionTrouble Shooting Problem Possible Causes Corrective ActionRanger Auto Drive Spare Parts List DescriptionPage Description Page Description Page Item Part No Page Description Page Description Warranty Conditions