Billy Goat SC121H manual Troubleshooting, Engine

Models: SC121H

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21. TROUBLESHOOTING

The following table illustrates some problems which may arise during operation.

FAULT

CAUSE

MEASURES TO BE TAKEN

Belt slips

1.

Belt tension inadequate

1.

Adjust the belt tension

 

2.

Too great a working depth

2.

Reduce the working depth

 

3.

Belt worn

3.

Replace belt

Machine vibrates excessively

1.

Belt damaged

1.

Replace belt

 

2.

Blade bent or broken

2.

Replace blade

Engine overloads during work

1.

Engine speed too low.

1.

Accelerate to maximum

operations

2.

Blade worn

2.

Replace blade

 

3.

Forward speed too high

3.

Decrease the forward

 

4.

Too great a working depth

 

speed

 

4.

Reduce the working depth

ENGINE

FAULT

CAUSE

 

 

 

MEASURES TO BE TAKEN

Engine sluggish at switch on

1.

accelerator not in start-up

1.

move the accelerator to the

 

 

position

 

 

 

 

intermediate position

 

 

 

2.

Choke not closed

 

2.

Close the choke when cold.

 

3.

Petrol does not arrive

 

3.

Check the fuel tank and

 

 

 

 

 

 

 

remove

any

water

or

 

 

 

 

 

 

 

sediment.. Make sure

that

 

 

 

 

 

 

 

the feed cock is open.

 

 

 

4.

Air bubbles or water inside

4.

Check the lines and bands.

 

 

the petrol lines

 

 

 

Repair

or

replace

if

 

 

 

 

 

 

 

damaged

 

 

 

 

 

5.

Thick oil prevents rotation

5.

Use oil with a viscosity

 

 

 

 

 

 

 

suited to the temperature

 

6.

Winding

or

start

6.

Replace

winding or

 

start

 

 

mechanism faulty

 

 

mechanism

 

 

 

 

7.

Spark

plug

in

poor

7.

Clean

or replace

spark

 

 

condition

 

 

 

 

plug.

Adjust

the distance

 

 

 

 

 

 

 

between the electrodes.

Poor power

1.

No fuel

 

 

 

1.

refill tank with petrol

 

 

 

2.

Air filter blocked

 

2.

clean air filter

 

 

 

 

3.

Elastic bands worn

 

3.

replace elastic bands

 

 

Engine stalls

1.

no fuel

 

 

 

1.

refill tank with petrol

 

 

 

2.

feed cock shut off

 

2.

open feed cock

 

 

Exhaust fumes dark

1.

low grade fuel

 

 

1. replace

with

high

grade

 

 

 

 

 

 

 

fuel

 

 

 

 

 

 

2.

too much engine oil

 

2. restore engine oil to correct

 

 

 

 

 

 

 

level

 

 

 

 

 

Engine emits black smoke and

1.

air filter blocked

 

 

1.

clean air filter

 

 

 

power is poor

2.

choke not fully opened

2.

open the choke completely

Exhaust fumes bluish

1.

too much engine oil

 

1.

restore engine oil to correct

 

 

 

 

 

 

 

level

 

 

 

 

 

 

2.

elastic bands worn

 

2.

replace elastic bands

 

 

Silencer becomes red through

1.

ir filater blocked

 

 

1.

clean air filter

 

 

 

overheating

2.

Inside

of

self-winding

2.

clean self-winding starter

 

 

starter blocked

with

grass

 

housing

 

 

 

 

 

 

cuttings

 

 

 

 

 

 

 

 

 

 

For any problems not easily resolved or in case of doubt you are advised to contact your dealer.

370406

28

F103104A

Page 28
Image 28
Billy Goat SC121H manual Troubleshooting, Engine